76results about How to "Rich applicability" patented technology

The invention discloses an integrated pin tool used for friction stir welding and a composite method of resistance-friction stir welding thereof. The pin tool comprises a pin tool body arranged on a friction welder and a tool pin arranged at the lower part of the tool pin body which is connected with the welder in a clamping and insulating manner; the pin tool also comprises a forced cooling system, a current carrying system, a gas shielding system, a temperature sensing and detecting system, a sealing and insulation system, an inner shaft shoulder and the tool pin, and is an integrated pin tool which has the functions of gas shielding, forced circulation cooling of internal liquid medium, automatic temperature sensing and detection, tool pin changing and composite non-keyhole resistance-friction stir welding. The invention overcomes the difficulty of friction stir welding of the high melting point metal and meets the harsh technical requirements of the friction stir welding of the low melting point metal, improves the quality of welding joints, prolongs the service life of the pin tool and realizes the friction stir welding of high melting point metal and low melting point light alloy, with low cost, high efficiency and excellent quality.

The invention discloses a cutting-stirring friction welding composite processing device for a floating double-shaft-shoulder double-stirring needle and a manufacture method thereof, and particularly relates to a combined or composite processing device capable of simultaneously carrying out milling or cutting processing and stirring friction welding processing and a method thereof. The cutting-stirring friction welding composite processing device for the floating double-shaft-shoulder double-stirring needle integrates a cutting system or a milling system, a stirring friction welding system, a forced cooling system, a gas protection system, a temperature sensing system, a pressure induction system, a milling liquid supply system and a sensing-free system. The cutting-stirring friction welding composite processing device has functions of temperature control, gas protection, pressure detection, cooling liquid protection, milling head replacing and floating double-shaft-shoulder self-supporting stirring friction welding. The method for carrying out cutting-stirring friction welding composite processing on workpieces can meet strength requirements of mechanical processing of ferrous light metal materials, carbon steel materials and alloy steel materials. The cutting-stirring friction welding composite processing device for a floating double-shaft-shoulder double-stirring needle and the manufacture method of the cutting-stirring friction welding composite processing device reduce manufacture procedures, save processing cost, have the advantages of being high in efficiency, excellent in quality, high in stability and saving in energy, break through limitation of conventional machining technology, form a new method and a new thought for machinery processing, and have wide application prospects in industries of heating, air conditioners, ice manufacture, freshness keeping, medicine preparation, construction, aquatic products and foods.

The invention relates to a gas shielded welding method and device of a narrow gap or a super-narrow gap impulse jet current consumable electrode controlled by electromagnetic of the heavy section part with middle and high strength. The invention uses a magnetic coil (3) to provide excitation current processed by an excitation source, which can generate an extra magnetic field. Under the conditions of narrow gap or super-narrow gap, high feed rate, fused drop spray transfer and impulse welding current, the process of the gas shielded welding of the rotating jet current consumable electrode with high-melting frequency pulse that is controlled by the electromagnetic for the heavy section part with middle and high strength can be realized. The device of the invention comprises the excitation source, excitation equipment, auxiliary equipment and a water cooling system. The excitation equipment is the magnetic coil (3) with or without a conducting core (5). The excitation equipment is fixed on a welding burner (6), which is positioned above a work piece (9). The excitation current provided by the excitation source (10) produces stationary or time-varying electromagnetic mixing magnetic field that has the combination control over the processes of arc welding, wire burn-off, drop transfer, melting bath flow and welding line coagulation, which finally forms the welding line of good quality.

A magnetically controlled welding method with consumable electrode features that a pair of exciting coils for upper and lower electrodes are arranged respectively above and under the workpiece to be welded, and an exciting power supply is used to provide the exciting current to said coils and generate an external vertical magnetic field for controlling and perform the welding to the workpiece protected by active gas or CO2. Its welding apparatus has exciting power supply, exciting unit and water cooling system.

The invention discloses a method for preparing microcapsules based on low-ester pectin and calcium ion gelatinization and application of the microcapsules and belongs to the field of food and medicament microencapsulation. According to the microencapsulation method, water is evaporated in an atomized drying way, so that a low-ester pectin solution containing low-concentration calcium ions forms a gel with the increase of the concentration of the calcium ions, and the gel coated on the surface of a granular material or agglutinates micro materials into particles. The method for preparing the microcapsules based on low-ester pectin and calcium ion gelatinization has good effect of coating or embedding ordinary food components, physiological active substances and medicaments, and can be widely applied to the promotion of the sensory quality of the food components, the quality of food products and the active ingredients of controlled-release functional foods and medicaments.

The invention relates to a method for preparing a nano material with large thickness and area through acute plastic deformation. The method comprises the following steps: adopting carrying current acute stirring friction forced highly undercooled control technology under the action of electromagnetic vibration in-situ compound electromagnetic field to prepare a metallic nano grain material and a ultrafine grain material with large thickness and area; adopting an electromagnetic vibration coil to ensure that a stirring head carries out high-speed stirring and electromagnetic vibration stirring friction composite motion combined with electromagnetic vibration at a certain frequency; and forming an alternating electromagnetic field of a certain intensity inside a workpiece. Under the joint action of carrying current stirring friction and a forced highly undercooled control temperature mechanism, coarse grain structure of the metal surface in a certain thickness undergoes acute plastic deformation and breaks to form stable nano grain and ultrafine grain structure; thus, the method realizes the preparation or surface modification of the metallic nano material with large thickness and area and uniform structure, and can also be used in stirring friction welding.

The invention discloses cutting-stirring friction-welding combined machining equipment and a manufacturing method thereof. The cutting-stirring friction-welding combined machining equipment integrates a milling system or a cutting system, a stirring friction-welding system, a forced cooling system, a gas protection system, a temperature sensing system, a pressure sensing system, a milling liquid supply system and a non-sensing system. The invention provides a united or combined machining device which can carry out milling or cutting and stirring friction-welding in parallel simultaneously and a method thereof. The cutting-stirring friction-welding combined machining equipment has the functions of temperature control, gas protection, pressure detection, cooling liquid production, milling head replacement and dual-shaft shoulder self-supporting. According to the manufacturing method of the cutting-stirring friction-welding combined machining equipment, the manufacturing processes are reduced and the machining cost is saved. The limitation of the conventional mechanical machining technology is broken through, and a new method and a new idea about the mechanical manufacturing and machining are formed. The cutting-stirring friction-welding combined machining equipment and the manufacturing method in the invention have wide engineering applications to the heating industry, the air conditioning industry, the ice making industry, the freshness retaining industry, the pharmacy industry, the construction industry, the aquatic product industry and the food industry.

The invention relates to a multi-scene indoor action recognition method based on channel state information (CSI) and BiLSTM, and the method comprises the steps: collecting Wi-Fi signals of indoor movement in a plurality of indoor scenes, and extracting the data of the channel state information (CSI); performing preprocessing such as low-pass filtering and normalization on the CSI data, and respectively dividing the data of the plurality of scenes into a training set and a test set; inputting the original scene training set into a deep neural network based on BiLSTM to train an original scene action recognition model; classifying the collected original scene CSI test set data by using the learned original scene model to achieve the purpose of indoor action recognition; and obtaining an indoor action recognition model suitable for the new scene by using a transfer learning mechanism, and performing action recognition in the new scene. According to the method, the time sequence features in the CSI are extracted by adopting the deep neural network based on BiLSTM, action recognition is carried out, multi-scene adaptation is realized by utilizing transfer learning, and the method has relatively good accuracy, universality and robustness.

This invention discloses one system to realize sound business merge background music system, which comprises font conversion servo, background music merge unit and sound service, wherein, the font conversion is used to convert the font information into language information; background music merging unit is used to match background music for language information; sound servo connected to the above font converter servo and background musical merging unit to use user sound business requirement information to merge the background music with background music playing.

A display device for enlarging or extending a view of a handheld electronic device includes a body, a displaying unit, a second transmitting unit, a carrying unit, and a fixing unit. The fixing unit fixes the handheld electronic device to the carrying unit regardless of the dimensions of the handheld electronic device. The body and the carrying unit are coupled together by a coupling unit in a manner that the body and the carrying unit can move relative to each other, such that screens of the handheld electronic device and the display device lie in parallel or side by side to face a user. The display device can further include a touch control unit whereby the display device and the handheld electronic device demonstrate versatility through their display and touch control functions.

The invention provides an intelligent fermenting tank which comprises a fermenting tank body. A stirring device is arranged on the fermenting tank body; the fermenting tank body comprises a cover body, a kettle body and a supporting column; the stirring device is arranged on the cover body; the stirring device comprises a first fixed shell, a second fixed shell, a first stepping motor, a second stepping motor, a first driving gear, a first driven gear, a second driving gear, a second driven gear, an adjusting fixed plate, a lead screw, a first fixed ring, a second fixed ring, a fixed rotating shaft and a propeller. Intelligent full-automatic operation is achieved, strong swirling flow is generated in reactant through rotation of the propeller in a reaction process, a fermenting reaction process can be fully accelerated, fermentation can be more complete, cost is reduced to a great extent, and the intelligent fermenting tank has convenience in maintenance.

The invention discloses a vertical switching method based on neural network multi-attribute judgment, and particularly relates to the technical field of seamless switching of communication networks. The method comprises the following steps: setting a network environment in which five types of networks, namely UMTS, GSM, WLAN, 4G and 5G, coexist, constructing respective three-layer BP neural network models, and designing structures of an input layer, a hidden layer and an output layer; enabling the terminal to collect values of the six attribute elements, inputs the values into the model for training, numerical approximation and prediction; finally performing performance evaluation on the whole network to obtain related numerical values such as a switching success rate and the like, and providing feedback information for an operation process of the whole algorithm according to an evaluation analysis result. According to the method, the success rate of vertical switching between the wireless networks can be effectively improved, the ping-pong effect is reduced, seamless switching between the multi-element heterogeneous networks is successfully achieved, and high-quality operation ofthe wireless networks in the whole heterogeneous convergence network environment is effectively maintained.

The invention provides an energy-saving permanent magnet suspension dustlessness transmission, which is characterized by comprising a suspension guide rail, suspension failure protective wheels, F-shaped magnets, disc-shaped permanent magnets, permanent magnet connecting discs, a servo motor and a box body, wherein the suspension guide rail, the suspension failure protective wheels, the F-shaped magnets, the disc-shaped permanent magnets, the permanent magnet connecting discs and the servo motor are all arranged on the box body; the energy-saving permanent magnet suspension dustlessness transmission unprecedentedly combines a gyration motor with a coder, the disc-shaped permanent magnets with the pair of F-shaped magnets, achieves the change of magnetic circuit polarity and fixed-gap and zero-power suspension, solves the problem of the contact adsorption of the conventional system, is reliable and stable in operation, saves energy, protects the environment, and has broad prospects for technical research and practical application.

The invention discloses a chiral phase transfer catalyst and a synthesizing method thereof, which relate to chemical synthesis and in particular relates to the technical field of synthesis of the novel chiral phase transfer catalyst. The method comprises the following steps of dissolving quinine in solvent, reacting with sodium hydride, reacting by adding hydrocarbon dihalide, extracting to obtain an organic layer, drying, and re-separating for removing the solvent so as to obtain the chiral phase transfer catalyst. The chiral phase transfer catalyst is novel in structure, and central nitrogen-atoms of the chiral phase transfer catalyst has good hidden performance, and therefore, the chiral phase transfer catalyst has certain special catalyzing effects, and can be suitable for requirements of catalytic reactions with various types. The chiral phase transfer catalyst prepared by the method can be applied to tert-Butyl glycinate ramification asymmetrical alkylating reaction, achieves excellent results, and is an excellent chiral phase transfer catalyst proved by practices.

The invention discloses a multi-brake gear adjusting method and a device thereof, which are used for an automobile provided with a B gear. The automobile comprises an upshift controller for increasingbraking effect and a downshift controller for reducing braking effect. The method comprises the following steps: when the automobile gear is in the B gear, controlling the coasting braking characteristics of the automobile according to the latest braking gear stored in real time; And detecting whether the signal output after triggering the upshift controller or the downshift controller is received in real time; After receiving the signal output from the triggering upshift controller, the current brake gear is controlled to increase by one gear, and the adjusted brake gear is saved. After receiving the signal triggered by the downshift controller, the current brake gear is controlled to be lowered by one gear, and the adjusted brake gear is saved. The invention can meet the requirements ofdifferent users and different driving conditions for taxiing and deceleration, and the experience effect of the users is good. The invention also discloses a new energy vehicle comprising the device.

The invention discloses a device for inhibiting a parasitic passband of a waveguide filter in the technical fields of radar and microwave communication. The device comprises a resonance cavity waveguide filter, a single-port apparatus, a first probe, a second probe, a first terminal reflection board, a second terminal reflection board, a first narrow-side wall and a second narrow-side wall; wherein, the middle shaft of the single-port apparatus is consistent with the middle shaft of the resonance cavity waveguide filter; a hole the size of which is the same as that of the port of the single-port apparatus is arranged on the first terminal reflection board at one end of the resonance cavity waveguide filter; one end of the single-port apparatus is communalized with the resonance cavity waveguide filter by the hole; the other end of the single-port apparatus is provided with an arc reflection board; the first probe is arranged at one end of the resonance cavity waveguide filter near a high-pass waveguide; and the second probe is arranged at one end of the resonance cavity waveguide filter near a second terminal reflection board. The device not only can be used for inhibiting the outer harmonic wave of an even band, but also can be used for inhibiting the outer harmonic wave of an odd band. Besides, the device is high in commonality and is simple in structure.

The invention provides a multi-functional audio system, including a loudspeaker, a hands-free phone, a microphone, a start-stop switch, a tuning knob, a storage battery, a charging port, a card slot, a multi-functional control device, a video disc placement port, and a flashing ambient light , sensor, lighting lamp, signal lamp, remote control panel and audio main body, the described loudspeaker is connected and arranged on both sides of the audio main body; The start-stop switch connection is set on the top of the tuning knob; the multifunctional control device of the present invention, the setting of the flash ambient light, the battery and the touch screen are conducive to convenience and practicality, and the touch is sensitive, so that the viewing image is clear and more A good match with music can improve the overall atmosphere effect, further enable external charging, clear audio and video playback, and strong applicability, so as to improve the diversity of functions and achieve the best practical effect.

The invention discloses a portable mobile printer with a correcting function. The portable mobile printer comprises a positioning rule and a mobile printer, wherein the positioning ruler is provided with scales, an X-axle direction stop wall and a Y-axle direction stop wall; the mobile printer comprises a main body, an X-axle direction infrared positioning head, a Y-axle direction infrared positioning head, a printing nozzle, a correcting coverage nozzle and a control module, wherein X-axle moving wheels and Y-axle moving wheels are arranged at the bottom of the main body; the printing nozzleand the correcting coverage nozzle are arranged on the bottom surface of the main body; and the control module receives distance information from the X-axle direction infrared positioning head and theY-axle direction infrared positioning head and image information from intelligent equipment, controls the main body to move on paper surfaces, and controls the printing nozzle or the correcting coverage nozzle to print or cover on the paper surfaces. The portable mobile printer can print or cover during moving, so that the time is saved, and the printing adaptability is enriched.

The present invention particularly relates to a multifunctional robot terminal execution apparatus, belonging to the technical field of industrial automation intelligent devices. The apparatus comprises a robot terminal; the robot terminal is connected to a connection component; gripper components are connected to both sides of the connection component; and a welding gun apparatus is connected tothe side, away from the tail end of a robot, of the connection component. The robot terminal execution apparatus integrates grabbing, vision, and welding to achieve high rob welding automation, and implements integration of material taking and welding in the whole production process to reduce the manual emptying work, so that the labor cost is saved, the safe operation space needed by manual operation is reduced, and the whole floor space for devices is reduced.

The invention especially relates to a high-performance acrylic blended polyester base cloth for a filter material, belonging to the field of cloth. Directed at the problems of single performance and nonextensive applicability of covnentional base cloth, the invention provides a technical scheme. According to the technical scheme, the high-performance acrylic blended polyester base cloth comprisesa blended polyester base cloth for the filter material; the blended polyester base cloth comprises a plurality of evenly distributed horizontal connecting lines, a plurality of vertical connecting lines and a plurality of fixing rings; the outer side wall of each of the fixing rings is fixedly provided with fixing feet which are symmetrical in position and uniformly distributed, and each of the fixing rings is internally provided with small matching air vents; the vertical connecting lines are all of a vertical structure, and the horizontal connecting lines are all of a horizontal structure; the vertical connecting lines and the horizontal connecting lines are connected by the fixing feet; and the lower surface of the blended polyester base cloth is coated with a first bonding layer. The high-performance acrylic blended polyester base cloth of the invention has heat-dissipating, breathing, odor-preventing and sweat-absorbing functions, diversified properties, a wider application scope,and improved practicality.