78results about How to "Expand the scope of the design" patented technology

The invention is a kind of converting mother technology applicable DC/DC step-up and step-down transform, high frequency electric welding, high frequency sensing and heating, brushless direct current engine speed regulation, switch magnetic resistance engine power transform and alternate sensing engine speed-regulation. The main merits are: 1. the application system based on the technology can work in natural zero switch state and has no switch consumption problem; 2. the power element uses the semi-controlled device and it can work without any additional relating circuit; 3. the two or more subsystems with small power, low frequency can be integrated into a larger system with a higher chopping frequency, a larger output power.

A sheet (S) for a vehicle having at least a seating region (11) and a seating portion (10) supporting the seating region (11), characterized in that the seating portion is manufactured as an article having an outer part by forming a foamed product of a predetermined shape. The seating portion can be formed together with a back rest portion (20) supporting a back rest region (21). The foamed product preferably comprises one of a PP (polypropylene) bead foam, a PE (polyethylene) bead foam, a PP foam, a PE foam, an AS resin (acrylonitrile/styrene resin) foam, EVA (ethylene-vinyl acetate copolymer resin) and a urethane foam material.

The invention discloses a CoCrFeNiMox high-entropy alloy with a non-equal atomic ratio and a preparation method of the CoCrFeNiMox high-entropy alloy, and relates to the CoCrFeNiMox high-entropy alloy with the non-equal atomic ratio and the preparation method of the CoCrFeNiMox high-entropy alloy. The invention aims to solve the problem that the plasticity of the existing high-entropy alloy is poor, as a result, plastic processing is restricted. The alloy expression is CoCrFeNiMox, x is 0, 2 or 4, and the alloy is prepared from the following raw material components in atomic percent: 0%-20% of Mo, 10%-40% of Co, 10%-40% of Cr, 10%-25% of Fe and 10%-25% of Ni, and the sum of the atomic percent of the components is 100%. CoCrFeNiMox high-entropy alloy is applied to the field of high-entropy alloys.

The invention provides a continuous digital gravure overprinting method. The continuous digital gravure overprinting method is characterized by comprising the following steps: (1) unreeling and feeding; (2) detecting the unpeeling tensile force; (3) performing gravure printing; (4) drying; (5) conveying by using a conveying mechanism; (6) performing digital printing; (7) reeling to collect the material, wherein digital registration detection (6-1) should be performed in the digital printing step (6), namely a detecting optical probe acquiring unit is arranged for detecting the digital ink jet position of printing paper so as to judge whether the ink jet position is incorrect; if the ink jet position is deviated, a digital hauling part is used for adjusting the printing paper to reach the correct position; the digital ink jet with the combination characteristics is also combined with a one-time-printing one-time-drying scheme of a conventional gravure printer; the continuous digital gravure overprinting method provided by the invention is capable of integrating the advantages such as overprinting property, large reprinting ink amount, widened design range, three-dimensional beauty of digital ink jet and rapid formation of gravure printing.

The invention discloses a loading lumped element frequency selection surface, which comprises a dielectric substrate and an inner ring metal patch and an outer ring metal patch closely attached to theupper surface of the dielectric substrate. The inner ring metal patch comprises four first L-shaped metal patches, two adjacent first L-shaped metal patches are provided with gaps, and each gap is provided with a first lumped inductance; the outer ring metal patch comprises four second L-shaped metal patches, and two adjacent second L-shaped metal patches are provided with gaps, wherein two adjacent gaps are provided with lumped capacitors, and the other two adjacent gaps are provided with second lumped inductors. The invention realizes higher miniaturization index and more flexible resonantfrequency point design through lumped components, thereby widening the design range of resonant frequency.

The invention discloses a single-curved strip-shaped power ultrasonic device with a linearly moving imaging probe, which includes an ultrasonic focusing transducer, a supporting structure, a water bladder and an ultrasonic imaging probe, and the ultrasonic focusing transducer is symmetrical through silicon rubber. Sealed on the left and right sides of the supporting structure, the surrounding of the supporting structure is provided with a water bag as a waterproof all-inclusive structure, the gap between the water bag and the supporting structure is filled with coupling agent, the upper part of the supporting structure The surface is an arc-shaped single curved surface, and a square through hole is arranged at the center of the support structure, and the ultrasonic imaging probe is placed in the through hole. The transducer of the present invention scans into a plane, the focus area is concentrated, and the treatment plane and the imaging plane of the imaging probe are just on the same plane; at the same time, the distance between the imaging probe and the patient's body is relatively close in the present invention, which is conducive to ultrasonic imaging and can improve the treatment process. image clarity.

The invention relates to a connecting coil welding technique for a stator bar of a large or middle synchronous generator, the technique is characterized in that: the technique comprises the following steps: 1. upper joints of coil bars are welded: (1) the splint of a clamping device is stretched into a part where a lower layer coil is connected with a connecting plate, the splint is stressed, water and power are put through and the connecting plate and the lower layer coil are welded; (2) the splint of the clamping device is backed to the part where an upper layer coil is connected with the connecting plate, the splint is stressed, water and power are put through and the connecting plate and the upper layer coil are welded; (3) connecting coils of all coil slots and interelectrode connecting coils are welded according to the steps (1) and (2) in sequence; 2. lower joints of coil bars are welded according to the step (1). The technique provided by the invention can extend design range of motor windings, reduce the amount of stator winding copper materials and insulation materials, save lots of silver solder, improve welding quality and reduce overall cost of units.

The invention discloses a hyperboloid strip-shaped power ultrasonic device with a linearly moving imaging probe, which includes an ultrasonic focusing transducer, a supporting structure, a water bladder and an ultrasonic imaging probe, and the ultrasonic focusing transducer is symmetrical through silicon rubber. Sealed on the left and right sides of the supporting structure, the surrounding of the supporting structure is provided with a water bag as a waterproof all-inclusive structure, the gap between the water bag and the supporting structure is filled with coupling agent, the upper part of the supporting structure The surface is an arc-shaped hyperboloid, and a square through hole is arranged at the center of the supporting structure, and the ultrasonic imaging probe is placed in the through hole. The transducer of the present invention scans into a plane, the focus area is concentrated, and the treatment plane and the imaging plane of the imaging probe are just on the same plane; at the same time, the distance between the imaging probe and the patient's body is relatively close in the present invention, which is conducive to ultrasonic imaging and can improve the treatment process. image clarity.

The invention relates to the field of metal material rolling processing and particularly discloses a method for carrying out warming, rotary rolling, fragmentation and spheroidization on a second phase in magnesium alloy. The method comprises the following steps: S1, carrying out earlier stage thermal insulating treatment; S2, carrying out single-pass fragmentation on the second phase; and S3, carrying out warming and rotary rolling on the second phase. According to the method, warming four-pass rotary rolling is utilized, and clockwise 90-degree rotation is realized each pass, so that the situation that the second phase is cured in a multidirectional manner is ensured, and submicron order second phase also can separate out dynamically; and in addition, high-density dislocation is introduced during first-pass low temperature rolling to promote dynamic recrystallization and realize the purpose of refining grain during the following warming rolling process; and moreover, the submicron order second phase and fine grain structures improve the strengthening and processing hardening capacity and improve the strength and plasticity simultaneously.

A method for winding nongeodesic of ring form gas cylinder includes confirming accurate ring model first, confirming stable boundary condition of winding as per definition of nongeodesic to obtain model of nongeodesic line form, obtaining surface yarn doffing point of ring core model as per said line form and converting out yarn leaving point then generating leaving point track of yarn winding on surface of said model generating digital control code according to yarn leaving point track, carrying out fiber-winding on surface of ring core model by digital controlled winder according to digital control code.

The invention relates to an ionic liquid antibiotic drug property prediction method based on transfer learning and a graph neural network and a high-throughput screening platform. The method comprises the following steps: firstly, collecting minimum inhibitory concentrations of organic molecules and ionic liquid to germs from a public database and literatures, and respectively taking the minimum inhibitory concentrations as a data set for pre-training and a data set for final training; pre-training the single image input model by adopting data of organic molecules; pre-training model parameters are transplanted into the multi-graph input model through a transfer learning method; training the multi-graph input model by using the data of the ionic liquid to obtain an ionic liquid antibacterial performance prediction module; a theoretical structure library of the ionic liquid is constructed; and performing antibacterial property prediction on the ionic liquid in the theoretical structure library through a prediction module, and finally screening out an ionic liquid structure with excellent antibacterial property. According to the method, the problems of small data volume and deep learning prediction of a complex ion structure-drug relationship are solved, and high-throughput screening of novel ionic liquid antibiotics is realized.

The invention discloses a waste edge mechanism of a loom. The waste edge mechanism comprises a heald frame piece sliding groove, a heald frame piece, a heald frame piece support foot, a heald frame transmission shaft and a transmission mechanism. The waste edge mechanism is specially used for the loom GA747, and the overall performance of the loom is improved; after the independent waste edge mechanism, two heald frames are not needed to be reserved to knit a waste edge and wring the edge, in another word, the two heald frames are added on the previous basis, and the design range of a fabric tissue is broadened; for knitting broadwise elastic fabrics, the independent waste edge mechanism can effectively prevent loop weft; four heald frames in the waste edge mechanism are replaced with two heald frames, the waste edge mechanism is directly changed to be a plain weave opening mechanism, and besides, the plain weave opening mechanism belongs to an active type opening mechanism; the waste edge mechanism is simple in structure, steady and reliable in operation and capable of being used for production of a high-speed loom and knitting plain weave fabrics with less total warp roots.