40results about How to "Facilitate batch processing" patented technology

The invention provides a method of using the wind-induced vibration phenomenon of a micro structure to generate power and a micro generator based on wind-induced vibration mechanism and piezoelectric effect, wherein the micro generator comprises a silicon underlay, a composite beam/membrane comprising a piezoelectric layer and metal electrodes on the upper surface and the lower surface thereof, and the like. When the load of environmental wind causes the vibration of the composite beam/membrane structure comprising the piezoelectric layer, the vibration of the beam/membrane structure can cause the alternative change of the stress of the piezoelectric layer; due to the piezoelectric effect, the upper metal electrode and the lower electrode of the piezoelectric layer can generate an alternatively changed electric potential difference; and the electric potential difference can supply power for the load or a power accumulator. The composite beam/membrane structure comprising the piezoelectric layer can adopt a plurality of structure forms comprising a cantilever composite bema, a double-end fixedly supported composite beam, a multi-point fixedly supported composite part or a composite membrane which is partially and fixedly supported in the boundary. The micro wind turbine generator based on wind-induced vibration mechanism does not need a rotating mechanism, has a simple structure, is convenient to adopt silicon micro-processing technology to implement batch processing, has low cost, and is suitable for supplying power for wireless sensing network nodes, and the like.

The invention discloses a mini-piezoelectric wind energy collector with a flexible support. The mini-piezoelectric wind energy collector comprises a micro-bracket, a piezoelectric composite beam, a flexible support and a base, wherein the piezoelectric composite beam is connected with the base through the flexible support and the micro-bracket; electrodes are respectively arranged on an upper surface and a lower surface of a piezoelectric layer of the piezoelectric composite beam; a dynamic wind load causes the mini-piezoelectric wind energy collector to vibrate; an electric potential difference is generated between the upper surface and the lower surface of the piezoelectric layer; and power supplied to the load or an energy storage device can be realized by using the electric potential difference. The flexible support introduced by the invention is used for reducing the natural frequency of the mini-piezoelectric wind energy collector and ensures that the mini-piezoelectric wind energy collector generates strong vibration at a slower wind speed, therefore, a critical wind speed of the collector in normal use can be effectively reduced.

The invention discloses a composite damping plate made of a low-frequency damping metamaterial. The composite damping plate comprises a plate body, wherein the plate body comprises a first upper composite layer, a middle layer and a first lower composite layer; both the first upper composite layer and the first lower composite layer are fibrous composite layers; the middle layer is a viscoelastic film damping layer and bonded with the first upper composite layer and the first lower composite layer through viscous-flow-state damping rubber; a hole array is arranged on the plate body, and a mass slice is mounted in each hole and embedded into the viscoelastic film damping layer. The composite damping plate integrates a multi-layer damping vibration attenuation function and a low-frequency vibration isolation function of an acoustic metamaterial, has the outstanding advantages that the low-frequency damping capacity is high, frequency-selecting damping is realized easily and the like, and has good environmental protection performance; the composite damping plate can be applied to control of vibration with the frequency within 1000 Hz, the vibration and noise reduction performance is improved greatly compared with a traditional material, and the composite damping plate can be applied to reduction, isolation and control of low-frequency vibration and noise in automobiles, ships and other equipment.

The invention discloses a low-frequency vibration isolation metamaterial shaft structure. The low-frequency vibration isolation metamaterial shaft structure comprises unit cell units arranged in a series connection manner. Each unit cell unit comprises a shaft base body, an elastic ring arranged on the outer circumference of the shaft base body in a sleeving manner, and a mass ring arranged on the outer circumference of the elastic ring in a sleeving manner. Each elastic ring is evenly provided with buffering grooves in the axial direction of the elastic ring. The low-frequency vibration isolation metamaterial shaft structure is used for replacing a traditional mechanical device shaft system and has the outstanding beneficial effect that the low-frequency vibration isolation capacity is high, a forbidden band can be formed within 0-100 Hz, and spreading of torsional vibration is inhibited; and meanwhile, the low-frequency vibration isolation metamaterial shaft structure has small reduction on torsinal rigidity of the shaft system, the transmission efficiency of the shaft system is not affected, the structure is simple, and basis materials in use are all conventional materials, and batched machining and production are easy. The low-frequency vibration isolation metamaterial shaft structure can be used for lowering, isolation and control of low-frequency torsional vibration and low-frequency noise in automobiles, trains, vessels, airplanes and other devices.

The invention discloses a synthetic method of P-methyl sulfone phenyl ethyl serinate, comprising the steps of S1, adding ethyl glycinate hydrochloride into methanol, and heating to dissolve to form afirst solution; S2, adding copper sulfate pentahydrate in the first solution to form a second solution by dissolving; S3, adjusting PH value of the second solution to meet the condition for alkaline reaction, adding P-methylsufonyl benzaldehyde to allow reaction, and holding the temperature and controlling the PH value to keep reaction condition values during reaction; S4, recycling methanol in the reacted materials, adding water to the residue to form a third solution, cooling, and centrifugally separating to obtain P-methyl sulfone phenyl ethyl serinate. The ethyl glycinate hydrochloride andP-methylsufonyl benzaldehyde are subjected to further reaction under the catalytic action of copper sulfate and an organic base to generate a target product; no sulfuric acid is used in the reactionprocess, the amount of waste acid in waste water is decreased, and the environment is protected; dangers that may occur during sulfuric acid transport and production are avoided, better safety is provided, and operating efficiency can be improved.

The invention discloses a defect-state structure acoustic metamaterial plate. The defect-state structure acoustic metamaterial plate comprises an elastic film, two composite plates and a plurality of mass sheets; the two composite plates are bonded to the upper side and the lower side of the elastic film respectively; openings which are periodically distributed are formed in the composite plates; the plurality of mass sheets, corresponding to the openings, are arranged on the elastic film; and the mass sheets are of a defect-state structure in distribution. The defect-state structure acoustic metamaterial plate provided by the invention has the advantages of simple structure and excellent design. According to the defect-state structure acoustic metamaterial plate, used basic materials are conventional materials, and therefore, batched processing and production of the defect-state structure acoustic metamaterial plate can be achieved with easiness, and the defect-state structure acoustic metamaterial plate is worth popularizing in the industry.

The invention discloses a weather-resistant durable all-metal multipoint frequency selection vibration suppression structure which comprises a bracket plate and a plurality of vibration suppression assemblies. Square holes are formed in the bracket plate, the vibration suppression assemblies are arranged on the bracket plate and comprise mass blocks, elastic modules and cushion blocks, one end ofeach elastic module is positioned in the corresponding square hole, each mass block is adhered at the end of the corresponding elastic module, the other end of each elastic module is positioned on theupper surface of the bracket plate, the cushion blocks are arranged on the lower surface of the bracket plate and are positioned below the elastic modules, the elastic modules comprise first materiallayers, second material layers and third material layers, and the first material layers, the second material layers and the third material layers are arranged in a step-shaped manner from top to bottom. The weather-resistant durable all-metal multipoint frequency selection vibration suppression structure has the advantages that the weather-resistant durable all-metal multipoint frequency selection vibration suppression structure is a plane structure and is thin, the size of the weather-resistant durable all-metal multipoint frequency selection vibration suppression structure can be flexibly designed, and accordingly the integral weather-resistant durable all-metal multipoint frequency selection vibration suppression structure can be easily arranged in different types of narrow mechanicalequipment, is simple and is convenient to assemble; materials required by the weather-resistant durable all-metal multipoint frequency selection vibration suppression structure are conventional materials, accordingly, batch processing and production can be facilitated, and the weather-resistant durable all-metal multipoint frequency selection vibration suppression structure is worthy of being popularized and utilized in the industry.

The invention relates to trademark processing, in particular to a trademark cutting mechanism. According to the technical scheme, the trademark cutting mechanism comprises a tool rest and cutters arranged side by side along the length direction of the tool rest, wherein each cutter comprises a tool apron arranged on the tool rest, two electrode plates arranged on the tool apron and a heating wire electrically connected between the two electrode plates and used for cutting trademarks. The trademark cutting mechanism is favorable for processing of the trademarks in batches.

The invention relates to a spraying device for disk remanufacturing repair. The spraying device comprises a base plate. A trajectory round plate is fixed to the middle of the base plate. A plurality of concentrically-arranged ring grooves with the diameters being increased gradually are both evenly distributed on the left end face and the right end face of the trajectory round plate. Communicatinggrooves are formed between the adjacent ring grooves. The communicating grooves in the multiple ring grooves are all distributed in a staggered mode in the clockwise direction. Spraying mechanisms which are symmetrically distributed are arranged on the left side and the right side of the base plate and further comprise platform decks, vertical plates, spheres, connecting rods which are matched with the approaching ring grooves, spraying guns and turntables. A driving mechanism used for driving the turntables on the spraying mechanisms of the left side and the right side to rotate is arrangedon the rear side of the base plate. The spraying device for disk remanufacturing repair has the advantages that manufacturing cost and using cost are low; and two disks can be machined at the same time, production efficiency is greatly improved and batched machining can be better achieved.

The invention relates to the field of die equipment, in particular to a die perforating device comprising a machine frame. A first base and a second base are arranged in the machine frame. A pushing plate is connected to the second base in a sliding manner. An abrasive layer is connected to the pushing plate. The first base is provided with a cavity containing the pushing plate. The cavity is provided with an opening. The machine frame is provided with perforating equipment. A connection rod mechanism is installed on the upper side of the perforating equipment. The tail end of the connection rod mechanism is arranged on one side of the pushing plate. An elastic piece is connected between the tail end of the connection rod mechanism and the machine frame. According to the die perforating device, the pushing plate is arranged on the second base, the pushing plate is provided with the abrasive layer, the cavity used for containing the pushing plate is arranged in the first base, in this way, remaining chips and burrs, existing after perforating is completed, of the bottom of the die are removed, and a die part is perforated through the perforating equipment.

The present invention discloses a high-order diffraction suppression raster of a quasi-random structure, comprising a non-transparent substrate. The non-transparent substrate is provided with a plurality of polygonal primitives having the same shape and the same area and not intersecting each other, the non-transparent substrate is provided with a plurality of trapezoidal regions thereon, the plurality of trapezoidal regions are periodically arranged in a square lattice, the period of the square lattice is d, and each of the trapezoidal regions has only one polygon primitive. The centers of the polygonal primitives are randomly distributed within the trapezoidal regions. Compared with the existing high-order diffraction suppression raster, the process difficulty is effectively reduced, theproblem of re-introduction of high-order diffraction by the processing error of the primitives is solved, and 2n- and 3n-order high-order diffraction can be effectively suppressed in each waveband ofthe infrared light, visible light, extreme ultraviolet, soft X-ray, and the like, thereby providing technical guarantee and process support for improving spectral measurement accuracy and monochromatic spectral purity.

The invention relates to an array-type combined electrode used for dense group hole electrosparking and a preparation method thereof. Aiming at the defects that as for an existing electrode manufacturing technology, the difficulty is large, the efficiency is low, the cost is high, and the electromachining quality and efficiency are difficult to guarantee, by breaking through the key technologies such as extrusion forming manufacturing of standard single electrodes, design of array-type electrode moulds and rapid tightening and disassembling of electrodes, the array-type combined electrode usedfor dense group hole electrosparking and capable of being rapidly assembled and disassembled and flexibly combined and the preparation method thereof are provided. The preparation method comprises the specific implementation steps of design and manufacturing of the standard single electrodes; design and manufacturing of the array-type electrode moulds; design and manufacturing of an electrode base and combined baffles; assembly of a combined electrode tool; assembly of the standard single electrodes; and low-melting-point alloy casting and electrode fixing. The array-type combined electrode used for dense group hole electrosparking and the preparation method thereof have the advantages of low cost, high efficiency, high quality and high reliability, can achieve efficient and high-precision machining of a group hole structure, and meet the machining requirements of products in the military and civilian fields.

The invention discloses a treatment method for improving the attractive degree of a rattan-weaved product and prolonging the life of the rattan-weaved product. The treatment method comprises the following steps of (1) cleaning treatment, (2) coating treatment, (3) modification treatment and (4) drying treatment. According to the treatment method of the rattan-weaved product, the overall technologyis simple, batch treatment processing is convenient, and the prepared rattan-weaved product is high in attractive degree, good in appearance quality, high in anti-corrosion and anti-aging characteristics and long in service life and highly has application and popularization value and market competitiveness.

The invention discloses a high-order diffraction suppression grating with large process tolerance, comprising a light-proof substrate. The light-proof substrate is provided with a plurality of polygonal primitives having the same shape and the same area and not intersecting with each other, wherein the polygonal primitives have quasi-random distribution in a square array on the light-proof substrate. The light-proof substrate is provided with a plurality of rectangular regions, the plurality of rectangular regions are periodically arranged in a square array, the period of the square array is d, each rectangular region has only one polygon primitive, and the center of the polygonal primitive is randomly distributed in the rectangular region. Compared with the existing high-order diffractionsuppression raster, the process difficulty is effectively reduced, the problem that high-order diffraction is reintroduced due to the primitive processing error is solved; and 2n- and 3n-order (n isa non-zero integer) high-order diffraction can be effectively suppressed in each of the infrared, visible, extreme ultraviolet, soft X-ray, and the like, so as to provide the technical guarantee and process support for improving the spectral measurement accuracy and the monochromatic spectral purity.

The invention discloses a computer network security firewall mainboard machining device. The machining device comprises a base, a position adjusting assembly, a positioning plate, a rack, a wire supply device, a welding assembly and a mover, wherein the rack is fixed to the base, a guide rope extending in the length direction of the rack is arranged on the rack, the mover is movably arranged on the guide rope, the bottom of the mover is connected with the welding assembly through a connecting arm, the welding assembly is supplied with wires through the wire supply device, and thus welding of the broken wire position of a mainboard is achieved; the mainboard is positioned on the positioning plate, and the positioning plate is arranged at the output end of the position adjusting assembly, so that the broken wire part on the mainboard is located under the welding assembly and extends in the direction of the guide rope through adjustment of the position adjusting assembly, and the position adjusting assembly is arranged on the base.