77results about How to "Increase vibrational energy" patented technology

The invention discloses an electro-strengthening and toughening processing method of a belt material of AZ91 magnesium alloy and a system thereof. The electro-strengthening and toughening processing method comprises following steps: when the belt material of magnesium alloy is transmitted at a certain speed which is driven by a roller on an electro plastic rolling machine, high-energy impulse current that is output by an impulse power source through an electrode is input into an electriferous region section of the moving belt material of magnesium alloy, and the Joule heating effect and the non-heating effect are generated in the electriferous region section, thus causing the phase transition of internal microscopic constitution from bulky lath-shaped Beta-Mg17Al12 that are gathering and agglomerating in an initial state to Beta-Mg17Al12 particles that are evenly distributed and approximately sphere-shaped, or causing the solid solution effect that leads Beta-Mg17Al12 to be dissolved in a substrate; the processed belt material can be naturally air cooled at room temperature. The electro-strengthening and toughening processing method of the belt material of AZ91 magnesium alloy has short processing time and high production efficiency, and simultaneously avoids the high-temperature oxidation of the magnesium alloy. After the electro-strengthening and toughening processing, the microscopic constitution of the belt material of magnesium alloy can be remarkably improved, the unit extension of the microscopic constitution is increased from 11.8 percent in the initial aging state to over 20 percent, and the tensile strength of the microscopic constitution is not dramatically lowered.

The invention discloses a method for promoting growth of GOSS textures of silicon steel strips by using pulse current. The method comprises the following steps of: conveying the silicon steel strips at the speed of 2 to 10 meters per minute under the drive of a conveying device; and guiding the pulse current of a pulse power supply to a moving silicon steel strip electrifying zone through a pair of electric contact devices, and performing electric stimulation treatment on the silicon steel strip electrifying zone in air atmosphere to promote the generation of a large amount of GOSS textures in the primary re-crystallization process, wherein the silicon steel strips are in a high magnetic induction cold-rolled state, the thickness of the silicon steel strips is 0.1 to 0.5 millimeter, the width of the silicon steel strips is 10 to 150 millimeters and the silicon content of the silicon steel strips is 0.5 to 6.5 percent. Compared with the traditional thermal treatment furnace annealing treatment process, the method has the advantages of low energy consumption, high production efficiency and low production cost, and the GOSS textures in the primary re-crystallization process have manycomponents. By electron back-scattered diffraction (EBSD) detection, the GOSS texture content of the silicon steel strips treated by adopting electric stimulation of the pulse current reaches 15 to 25 percent.

It is possible to reduce the size of a surface acoustic wave (SAW) resonator by enhancing a Q value. In a SAW resonator in which an IDT having electrode fingers for exciting SAW is disposed on a crystal substrate, the IDT includes a first region disposed at the center of the IDT and a second region and a third region disposed on both sides of the first region. A frequency is fixed in the first region and a portion in which a frequency gradually decreases as it approaches an edge of the IDT is disposed in the second region and the third region. When the frequency of the first region is Fa, the frequency at an edge of the second region is Fb_M, and the frequency at an edge of the third region is Fc_N, the variations in frequency are in the ranges of 0.9815<Fb_M/Fa<0.9953 and 0.9815<Fc_N/Fa<0.9953, respectively.

The invention provides a second-phase electrical stimulation nodulizing method for Ni-enriched TiNi shape memory alloy. The method comprises steps as follows: driving the TiNi memory alloy belt or plate to move at a certain speed by a roller through electric plasticity roller; inputting high-energy pulse current output by a pulse power supply to an electrifying part of the moving TiNi alloy through an electrode; and carrying out joule heating effect and electron wind non-thermal effect on the electrifying part, so as to transform the internal microscopic structure from the initial sheet sor polygonal second phase to uniformly distributed spherical second phase while being subjected to solution treatment. The processed TiNi alloy belt or the plate can be cooled by air at room temperature. According to the method, the implementation time is short, the production efficiency is high, and the TiNi alloy is prevented from oxidizing at high temperature.

The invention provides a non-linear direct-drive float type wave power generation device. When the non-linear direct-drive float type wave power generation device is placed in sea, sea wave drives a float to perform up-down movement and further drives a first magnet to perform up-down movement, an induction coil is enabled to cut magnetic field line generated by the first magnet, and therefore the function of generating power by utilizing wave energy is realized; meanwhile, a magnetic force generated by second magnets positioned at the periphery of the first magnet and that generated by the first magnet interact with an elastic force generated by a spring in an energy output system, so that the system has negative stiffness, the vibration energy is increased, the potential energy well of the energy output system shows a double-well characteristic, and the energy capture efficiency, especially the energy capture efficiency at a low frequency is improved.

The invention provides a method and apparatus for controlling vibration of electronic equipment, and the electronic equipment. The electronic equipment comprises a main body part and a wristband part; and the wristband part is provided with a vibration reinforcing region. The method comprises the steps of detecting whether a motor arranged in the main body part vibrates; if detecting that the motor vibrates, controlling a vibrator in the vibration reinforcing region to vibrate under a preset frequency; and if detecting that the motor stops vibrating, controlling the vibrator to stop vibrating. According to the technical scheme adopted by the invention, the wristband part can assist the main body part in vibrating so as to improve integral vibration energy of the electronic equipment and reinforce touch feedback to a user.

The invention relates to the field of material preparation, in particular to a preparation method and application of superfine hetian jade powder. The invention provides the preparation method of thesuperfine hetian jade powder; jade is made into jade powder by applying a superfine pulverizing technology, mercury and arsenic which are harmful to human bodies are removed at high temperature, and thus, the jade powder is applied to cosmetics and pharmaceutical preparations. The invention also provides the application of the superfine hetian jade powder in the pharmaceutical preparations; purplejade cream prepared by adding Chinese herbal medicines such as lithospermum root has the effects of eliminating illness, dehumidifying, expelling pus and decay, regenerating tissue, treating scaldingdue to hot water or fire, detoxifying, sterilizing, removing decay and moistening skin.

The invention discloses an audio processing method and device, and a storage medium and belongs to the voice technology field. The method comprises steps that a to-be-processed first audio is obtained; the fundamental frequency information, the frequency spectrum envelope information and a first excitation signal of the first audio are extracted; according to the fundamental frequency information,a target period signal is determined, and the peak of the target period signal is at the frequency doubling portion of the fundamental frequency indicated by the fundamental frequency information; the target period signal and the first excitation signal are superposed to obtain a second excitation signal; the second excitation signal and the frequency spectrum envelope information are synthesizedto obtain a second audio. The method is advantaged in that human voice sharpness of the first audio can be improved, noise amplification of the first audio is avoided, and audio quality after processing is improved.

The invention discloses a piston-type particle damping, energy-dissipating, and vibration-reducing sleeper. The piston-type particle-damping, energy-dissipating, and vibration-reducing sleeper includes a sleeper body and a piston-type particle damping element embedded in the sleeper body; The upper surface is provided with a rail bearing groove; the piston-type particle damping element includes a housing, and damping particles and metal balls are arranged inside the housing; the metal ball is connected and fixed to the main body of the sleeper through a wire. The advantage of the present invention is that the piston type particle damping element arranged in the sleeper body can absorb and consume the vibration energy of the sleeper body; embedding the piston type particle damping element inside the sleeper body is equivalent to increasing the energy consumption and vibration reduction of the piston type particle damping The damping of the sleeper makes the piston-type particle damping energy-dissipating vibration-reducing sleeper dissipate the vibration energy generated by the action of the wheel and the rail, and plays the role of vibration reduction and vibration isolation.

The invention provides a vibration reduction cooling boring cutter based on metal rubber and a manufacturing method thereof. The vibration reduction cooling boring cutter comprises a hollow cutter bar and a cutter head located at one end of the cutter bar, the metal rubber is arranged in an inner cavity of a guide rod, a cooling liquid inlet is formed in the end, deviating from the cutter head, of the cavity, and the other end of the cavity extends towards the cutter head to form a cooling liquid discharging through hole. When the cutter generates impact vibration in the cutting work, the cylindrical metal rubber and particle metal rubber rub the inner wall of the cutter bar to generate friction damping; cooling liquid flows through the metal rubber and flows in a porous structure of the metal rubber, flow channels in gaps are complex and changeable, when high-frequency vibration is generated outside, the vibration amplitude is changed through the internal coupling effect of the cooling liquid and the metal rubber, and resonance is avoided; and meanwhile, the throttling damping effect on flowing of the cooling liquid is achieved, vibration is effectively reduced, the contact area of the cooling liquid and the cutter bar is increased, and heat generated in the working process of the cutter is taken away.

An apparatus adopting an iron core and an inertial mass is disclosed for exerting high power output by converting a sound signal to vibration so as to stimulate the human hearing organs through the bones. A sound-to-vibration conversion apparatus comprises a housing, a permanent magnet having an N-pole and an S-pole, only one pole of which is fixed to the housing, an electromagnet movably installed into the housing faced either the S-pole or N-pole of the permanent magnet, whichever one is not fixed to the housing, and an inertial mass for amplifying the inertial force of reciprocating movement of the electromagnet, so that the housing with the permanent magnet can be vibrated by the electromagnet, whereby the electromagnet vibrates in a reciprocating fashion towards or away from the permanent magnet in accordance with the incubation between the polarity formed at the electromagnet by acoustic signal applied to the electromagnet and either the N-pole or the S-pole of the permanent magnet.

The present invention relates to a system comprising a heat source to provide heat at the desired temperature and energy field (e.g. a solar concentrator); an electron source configured and operable to emit electrons; an electric field generator generating an electric field adapted to supply energy sufficient to dissociate gas molecules; and a reaction gas chamber configured and operable to cause interaction between the electrons with the molecules, such that the electrons dissociate the molecules to product compound and ions via dissociative electrons attachment (DEA) within the chamber.

A micro fluid control device comprises a piezoelectric actuator and a shell. The piezoelectric actuator is provided with a suspension plate, an outer frame, a support and a piezoelectric ceramic plate. The suspension plate is in a square form and is provided with a first surface and a second surface, and the second surface is provided with a convex part. The outer frame is arranged outside the suspension plate in a surrounding mode and is also provided with a first surface and a second surface. The areas except the second surface of the outer frame and the convex part of the second surface ofthe suspension plate are all coplanar. The shell comprises a gas collection plate and a base. The gas collection plate is of a frame structure with a holding space. The base is formed by connecting agas inlet plate and a resonantor and is arranged in the holding space so as to close the piezoelectric actuator. A glue layer is arranged between the second surface of the outer frame of the piezoelectric actuator and the resonantor of the base, so that a needed depth of a compression cavity is maintained between the piezoelectric actuator and the resonantor.

It is possible to reduce the size of a surface acoustic wave resonator by enhancing the Q value. In a surface acoustic wave resonator in which an IDT having electrode fingers for exciting surface acoustic waves is formed on a crystal substrate, a line occupying ratio is defined as a value obtained by dividing the width of one electrode finger by the distance between the center lines of the gaps between one electrode finger and the electrode fingers adjacent to both sides thereof, and the IDT includes a region formed by gradually changing the line occupying ratio from the center to both edges so that the frequency gradually becomes lower from the center to both edges than the frequency at the center of the IDT.

The invention discloses a method for endowing a Ni-enriched TiNi shape memory alloy with a two-way shape memory characteristic. The method comprises the following steps: applying high-energy electrical stimulation to a constrained cold-formed TiNi shape memory alloy, coupling a Joule heating effect caused in a low temperature range of 150-250 DEG C with the electron wind effect, promoting the internal defects (such as dislocation) of the alloy to be in directional arrangement along a constraint stress direction, enabling a martensite variant to be in orientated growth, then 'memorizing' the cold forming state as a high temperature shape, 'memorizing' a high-temperature aging state as a low temperature shape, matching a mechanical training method to form the electrical stimulation-mechanical training method, and endowing the Ni-enriched TiNi shape memory alloy with the 'thermal expansion and cold contraction' type two-way shape memory characteristic. According to the method, the high-energy electrical stimulation and martensitic phase transition alternative cycle period duration can be greatly shortened, the production efficiency is improved, and the energy consumption is reduced.

The invention relates to an ultrasonic device for powder compression molding. The ultrasonic device for the powder compression molding comprises a die holder, a concave die arranged on the die holderand a convex die arranged opposite to the concave die, the convex die is matched with the concave die, and the convex die and the concave die form a cavity chamber for powder compression together; theultrasonic device for the powder compression molding is characterized in that at least one supersonic vibration generator is arranged in the die holder, vibration output parts of the supersonic vibration generators are arranged facing the concave die, wherein at least one impacting piece is arranged between the concave die and the vibration output parts of the supersonic vibration generators, andthe supersonic vibration generators can drive the impacting pieces to impact the concave die. According to the ultrasonic device for the powder compression molding, the supersonic vibration generators drive the impacting pieces to impact the concave die, and thus the vibration, generated in the working process of the ultrasonic device, to powder materials is high in energy and high in frequency;and thus obtained products after being subjected to the compression molding by the ultrasonic device are high in compactness and have good mechanical properties.

The invention relates to a converter unit comprising an ultrasonic transmission element having: a transmission surface for transmitting an ultrasonic vibration to a tool that can be attached to the transmission surface, or to a material that is in contact with same, in a longitudinal direction along a longitudinal axis of the ultrasonic transmission element; and at least one ultrasonic transducer for generating an ultrasonic vibration with a propagation direction that is not oriented along the longitudinal direction, wherein the converter unit has an ultrasonic natural frequency. In order to provide a converter unit comprising an ultrasonic transmission element having: a transmission surface for transmitting an ultrasonic vibration to a tool that can be attached to the transmission surface, or to a material that is in contact with same, in a longitudinal direction along a longitudinal axis of the ultrasonic transmission element; and at least one ultrasonic transducer for generating an ultrasonic vibration with a propagation direction that is not oriented along the longitudinal direction, wherein the converter unit has an ultrasonic natural frequency by means of which a high vibration energy can be generated, according to the invention, the ultrasonic transducer is arranged in the propagation direction in a region of +/-lambda/4 about the longitudinal axis of the ultrasonic transmission element, where lambda is the wavelength of the vibration belonging to the ultrasonic natural frequency.

The invention discloses a device for forming a bevel gear through ultrasonic-assisted cold-rocking-rolling. The device comprises a base, a lower die and an ultrasonic horn, wherein the base has an accommodating cavity with an upward opening; the lower die is used for clamping a workpiece; the ultrasonic horn is mounted in the accommodating cavity and comprises a positioning section, a first vibration mounting section and a vibration conversion output section which are sequentially and coaxially arranged along a vertical axis; the positioning section is connected with the base and is positioned in the circumferential direction; a first piezoelectric actuator is mounted on the first vibration mounting section; a second piezoelectric actuator is mounted on the vibration conversion output section; ultrasonic vibration generated by the first piezoelectric actuator and ultrasonic vibration generated by the second piezoelectric actuator are superposed; and the vibration conversion output section makes contact with the workpiece and is used for transferring the ultrasonic vibration to the workpiece. The accommodating cavity is used for accommodating the ultrasonic horn, and ultrasonic vibration with larger vibration energy is generated after the ultrasonic vibration generated by the first piezoelectric actuator and the second piezoelectric actuator on the ultrasonic horn is utilized and superposed, so that the machining requirement is met.

The invention belongs to a grinding device, and provides a double-motor self-synchronous driving vibration ball mill. The system adopts a structure that the center of a cylinder body is eccentric witha power main shaft, the cylinder body is used as an excitation body, the mass moments of two vibration exciters are different, and m1r1 is larger than m2r2; the two vibration exciters are symmetrically installed relative to the center of a roller, the connecting line of rotating centers of the two vibration exciters is in a beta angle with the horizontal direction (beta is equal to 0-90 degrees),and the vibration exciter with the large mass moment is arranged on the left upper part; and meanwhile, the installation of the vibration exciters meets a certain position conditions, when the systemis operated stably, two motors achieve synchronization and operate stably, the steering is the same, and the phase difference is stable to be close to Pi. At the moment, the motion mode of the rolleris in the coexistence of swing and circular motion, due to the fact that the phase difference is close to Pi, so that swing occupies the main part. Ball milling medium in the roller is continuously thrown away under the action of the combined movement of swinging and the circular motion, the ball milling medium roll from a high position to a lower position, a high-strength rolling impact effect is generated, and ball milling of the materials is realized.

The invention discloses an analysis method for effects of uneven settlement of a subgrade on random vibration characteristics of a track structure. The method comprises the following steps of S1, collecting rail displacement parameter information, rail acceleration parameter information, sleeper displacement parameter information, sleeper acceleration information, track bed displacement information and track bed acceleration information of a ballast track; S2, an analysis model of the random vibration characteristics of the track structure under the condition of uneven settlement of the subgrade is established, and the characteristics of the track structure are analyzed and evaluated by calculating uneven settlement reduction coefficients of the subgrade; S3, the causal relationship of theeffects of the uneven settlement of the subgrade on the track structure is summarized, and data parameter values and impact analysis reports are sorted out.