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22results about How to "Solve industry problems" patented technology

Three-dimensional reconstruction method and system based on frequency domain phase consistency and multi-cue fusion

PendingCN122694947ASolve industry problemsMeasurement stability
The application discloses a three-dimensional reconstruction method and system based on frequency domain phase consistency and multi-cue fusion, and relates to the technical field of three-dimensional reconstruction. The method comprises the following steps: collecting images of a target semiconductor packaging structure, forming a focus stack, setting analysis parameters, extracting four-dimensional depth cues from three dimensions of a frequency domain, a time domain and a space domain in parallel, obtaining a four-dimensional cue matrix, tracking time sequence peaks of each cue in the four-dimensional cue matrix pixel by pixel, performing sub-pixel fitting, fusing the fitted four-dimensional cues through Bayesian maximum a posteriori probability estimation, generating a coarse depth map and a confidence map, performing Markov random field space regularization optimization to generate an optimized depth map, adaptively smoothing the optimized depth map based on the fused confidence map, and generating a three-dimensional depth map and a full-focus image. The application can provide an efficient, stable and engineerable new technical path for three-dimensional online detection of wafer-level advanced packaging.
Owner:BEIJING BOVISION TECH CO LTD

Automatic element drying device

The invention discloses an automatic element drying device. An automatic element drying device comprises a host case, and the upper portion of the host case is connected with a drying box through an angle adjusting mechanism; the dewatering unit comprises six spin-drying filter cartridges which are rotatably mounted in the drying box and a rotary driving mechanism; the drainage unit comprises a drainage connector installed at the lowest position of the bottom of the drying box, and the drainage connector is connected with the water collecting barrel through a drainage pipeline; the air supply unit comprises a fan, and an air outlet of the fan is in butt joint with the air outlet hose; the drying device further comprises a hot air unit, the hot air unit comprises an air supply pipe row in butt joint with the air outlet hose, the air supply pipe row is in butt joint with branch pipelines matched with the drying filter cartridges in number, the branch pipelines are sequentially provided with connecting pipes, hot air guns, heat preservation pipes and air nozzles which are sequentially connected in the flow guide direction, and air volume adjusting valves are installed on the heat preservation pipes. According to the invention, integration of dehydration and drying is realized.
Owner:SHANGHAI HANHONG PRECISION MACHINERY

Welding material and process used between high-manganese-content manganese-copper damping alloys

The invention provides a welding material used between high-manganese-content manganese-copper damping alloys and a manufacturing process. The welding material is composed of, by mass, 50%-70% of Mn, 4%-6% of Ni, 1%-3% of Fe, 2%-6% of Al, 2%-4% of Sr, 20%-21% of Cu, 5%-7% of Mg, 3%-5% of Zn and the balance impurity elements. Based on the welding material, the invention further provides a corresponding manufacturing process, and the problems that when the two manganese-copper damping alloys are welded and connected, the welding performance is shown in the welding process, the matching performance of a welded joint and a base material is poor, and the plasticity of the welded joint is poor are solved.
Owner:RES INST OF ZHEJIANG UNIV TAIZHOU

A debonding jig for thin sheet-like micro-electrocasting parts

The present invention belongs to the field of micro electroforming, and specifically relates to a debonding jig for thin-sheet micro electroforming parts, comprising a substrate, a film attached to the surface of the substrate, and a thin-sheet micro electroforming part placed in the film, and also comprising a cover plate, an upper strong magnetic ring, and a lower strong magnetic ring; the periphery of the lower surface of the cover plate is provided with positioning columns arranged at equal intervals; the side of the cover plate is provided with a clamping handle with a through hole; the top of the positioning column is provided with a positioning platform with a retaining edge; the substrate is placed on the positioning platform and the micro electroforming part on the substrate faces the cover plate; the upper strong magnetic ring and the lower strong magnetic ring are placed on the cover plate and the substrate respectively. The present invention can effectively ensure that the thin-sheet micro electroforming part can be laid flat on the cover plate without turning over or stacking after the film is removed, which greatly improves the light transmission observation efficiency of the film removal and the morphology observation efficiency of the thin-sheet micro electroforming part. The structure is simple, the installation and disassembly are convenient, the components are few, and it is easy to implement.
Owner:HENAN POLYTECHNIC UNIV

Programmable logic controller program automatic acquisition method, storage medium and electronic device

The present application relates to the field of industrial automation control, and specifically provides a programmable logic controller program automatic acquisition method, a storage medium and an electronic device, aiming at solving the problem that multiple types of processor programs cannot be automatically collected. To this end, the acquisition method of the present application comprises: acquiring the type of central processing unit contained in the programmable logic controller; the type includes a standard central processing unit and a fail-safe central processing unit; according to the type, determining the program upload mode of the programmable logic controller; according to the program upload mode, uploading the program of the programmable logic controller. The present application can realize compatible collection of standard central processing unit and fail-safe central processing unit device programs, and reduce the labor cost and time cost of industrial device program operation and maintenance.
Owner:NIO TECH ANHUI CO LTD

Method for adjusting boiler load and flue gas temperature

The invention discloses a method for adjusting boiler load and flue gas temperature, which comprises a system for adjusting boiler load and flue gas temperature, the system comprises coal economizers, a water supply header pipe, a branch pipe I, a branch pipe II, a branch pipe III, a branch pipe IV, a flue and a boiler barrel, the coal economizers comprise a high-temperature coal economizer and a low-temperature coal economizer which are sequentially arranged in the flue, the branch pipe I is arranged at one end of the economizer, the branch pipe II and the branch pipe III are respectively arranged at the other end of the economizer, the branch pipe IV is connected with an outlet header of the low-temperature economizer and the branch pipe III, the water supply header pipe is respectively connected with the boiler barrel through the branch pipe I, the branch pipe II, the branch pipe III or the branch pipe IV, and the branch pipes are respectively provided with a valve group; the high-temperature economizer and the low-temperature economizer can be connected in series, in parallel or independently operated or isolated, combination of multiple working conditions such as downstream or countercurrent or downstream and countercurrent can be achieved, the boiler load, the smoke exhaust temperature and the inlet smoke temperature of all environment-friendly process equipment can be greatly adjusted, the boiler can be rapidly isolated in an accident, and long-period operation of the boiler is facilitated.
Owner:HENAN HUATAI PETROCHEMICAL EQUIP LTD BY SHARE LTD

Screening method of coordination regulation mixed matrix membrane based on molecular simulation

PendingCN121944802ARealize “design on demand”Enable on-demand designSemi-permeable membranesComputational theoretical chemistryChemical physicsMembrane technology
The invention belongs to the technical field of gas separation membranes, and particularly relates to a molecular simulation-based screening method of a coordination regulation mixed matrix membrane. The method is combined with a molecular simulation technology and is used for quantitatively evaluating the interface compatibility of the mixed matrix membrane and reasonably screening and designing a coordination active additive so as to synergistically optimize the interface structure and the gas separation performance. According to the method disclosed by the invention, a new method for accurate prediction and rational design from a microscopic molecular structure to macroscopic membrane performance is realized, and the method can be used for guiding efficient development of high-performance MMMs.
Owner:ZHENGZHOU UNIV

A femtosecond laser cataract surgery instrument and application method

ActiveCN118845353BImprove adaptabilitylittle improvementLaser surgery
The invention relates to a femtosecond laser cataract surgical instrument and an application method. The instrument comprises a support, a femtosecond laser generator is arranged on the support, and a suction pipe, an operating handle is arranged at the tail end of the suction pipe and is connected to a negative pressure generator, and an arc-shaped suction head with an opening facing downward is arranged at the front end of the suction pipe; an opening is arranged on the upper surface of the suction head, a first reflecting mirror is arranged at the opening, a focus indicating unit indicating the current focus position of the femtosecond laser generator is arranged on the support, and a control unit for controlling the operation of the femtosecond laser generator and the negative pressure generator is arranged on the operating handle; ultrasonic energy does not need to be applied, cleaning is relatively thorough, large-scale fragments are not formed so that the fragments are difficult to clean, the instrument has good adaptability to the lenses of patients in different conditions, does not need to perform complex calculations on the precision of nuclear fragmentation, and the improvement of the suction head is very small, the cost can be controlled within an acceptable range, and the industry problems encountered in the current femtosecond laser cataract surgery are solved.
Owner:AFFILIATED HOSPITAL OF NANTONG UNIV

Optical film laminating device of reflector plate and brightness enhancement film composite structure and control method of optical film laminating device

PendingCN121821930ASolving industry problems prone to bubblesSolve industry problemsControlling laminationLaminationMechanical engineeringMaterials science
The invention relates to the technical field of photoelectric display manufacturing, in particular to an optical film laminating device of a reflector plate and brightness enhancement film composite structure and a control method thereof.The optical film laminating device comprises a calibration platform, a supporting plate and a portal frame, the portal frame used for fixing a downward pressing assembly is installed at the upper end of the calibration platform, and the calibrated supporting plate is placed at the upper end of the calibration platform; a bottom membrane is placed on the inner side of the upper end of the supporting plate, a laminating assembly used for laminating the upper-end membrane is arranged at the upper end of the supporting plate, and the upper end of the laminating assembly is connected with the portal frame through a downward pressing assembly; the laminating assembly comprises a laminating shell, driving units are installed on the two sides of the laminating shell, exhaust assemblies are installed at the driving ends of the driving units, and the lowermost ends of the exhaust assemblies are tightly attached to the positioning assembly. The parallel rollers controlled by the driving unit synchronously move towards the two sides, the elastic plate is gradually flattened, the process is like a scraper blade, and residual air can be thoroughly exhausted.
Owner:江苏南锦电子材料有限公司

Filter decomposition-based ohmic and polarization resistance identification system and method

ActiveCN121899679BSolve the industry problem of "hybrid identification" internal resistanceavoid detection
The application relates to an ohmic and polarization internal resistance identification system and method based on filter decomposition, a direct-current discharge module applies a transient discharge current to a battery; a voltage response sampling module collects a battery terminal voltage waveform; the core lies in a multi-frequency filter decomposition module, a parallel high-pass filter and a low-pass filter are adopted to decompose the voltage waveform into a fast change component corresponding to an ohmic internal resistance and a slow change component corresponding to a polarization internal resistance; an internal resistance calculation and output module calculates an ohmic internal resistance value and a polarization internal resistance value respectively; the application realizes accurate and real-time separation monitoring of the battery internal resistance component through a simple filter circuit, solves the problem of mixed identification of internal resistance components in the prior art, does not need special equipment or complex operation, is low in cost, easy to integrate, significantly improves the accuracy and reliability of battery health state evaluation, and can be widely applied to the battery management field such as electric vehicles and energy storage systems.
Owner:CHANGSHA DEYI TECH CO LTD

Refining method of ultra-pure lithium bis (fluorosulfonyl) imide

The invention belongs to the field of chemical purification, and relates to a method for refining ultra-pure lithium bis (fluorosulfonyl) imide, which comprises the following steps of: adding a crude product of lithium bis (fluorosulfonyl) imide with the mass percentage of more than or equal to 90 percent into a crystallizer, heating until the crude product is completely molten into a liquid state, controlling the cooling rate at 5-20K / h, cooling to 90-120 DEG C, keeping the temperature constant, and discharging uncrystallized mother liquor (recrystallizing until the purity of the raw material is reached, thereby obtaining the ultra-pure lithium bis (fluorosulfonyl) imide. Returning to the raw material tank, and discharging the uncrystallized mother liquor out of the system after the purity is lower than 75%; the temperature rise rate is 0.1 K / h to 30 K / h; the temperature of the crystallizer is raised to 125-130 DEG C, the temperature is kept constant, sweat is discharged, the temperature of the crystallizer is raised to 130 DEG C or above, crystals are completely melted and then collected as a product, and the mass percentage content of lithium bis (fluorosulfonyl) imide in the final product is larger than or equal to 99.99%. The method provided by the invention has the advantages of low operation temperature, high efficiency, greenness, safety, no additional solvent, no discharge of three wastes, no side reaction, and high purity and yield of the final product.
Owner:TIANJIN ZHONGFU CHEM TECH CO LTD

Reverse osmosis membrane cleaning method and reverse osmosis membrane prepared by reverse osmosis membrane cleaning method

The invention discloses a cleaning method of a reverse osmosis membrane and the reverse osmosis membrane prepared by the cleaning method. The cleaning method comprises the step of sequentially immersing a nascent state membrane of the reverse osmosis membrane into an aqueous solution containing an imidazole activator, pure water and a glycerol aqueous solution for cleaning, in the aqueous solution containing the imidazole activating agent, the imidazole activating agent is selected from one or more of imidazole, N-methylimidazole, 2-methylimidazole, 4-methylimidazole, N-ethylimidazole and N-vinyl imidazole. The membrane performance of the reverse osmosis membrane is remarkably improved while residual polyamine monomers in the membrane are reduced, and compared with an existing residual polyamine removal method, the method has outstanding application advantages.
Owner:WANHUA CHEM GRP CO LTD

Rotary cutting tool comprising multiple cutting teeth and preparation method of rotary cutting tool

The invention discloses a rotary cutting tool comprising a plurality of cutting teeth, which is characterized in that a cutter body is provided with a plurality of cutter body chip accommodating grooves and cutting teeth corresponding to the cutter body chip accommodating grooves, and a chip breaking groove is formed in the front cutter surface of the cutter body, so that a zigzag cutting edge comprising the plurality of cutting teeth is formed on the cutting teeth; the cutter body chip containing groove is a straight groove, and at least part of the cutting teeth of the sawtooth-shaped cutting edge are provided with spiral cutting edge sections, or the cutter body chip containing groove is a spiral groove, and at least part of the cutting teeth of the sawtooth-shaped cutting edge are provided with vertical cutting edge sections and / or reverse cutting edge sections. According to the cutter, cutting force (including axial cutting pressure, axial cutting tension and radial cutting force) from different directions can be counteracted or balanced, double dispersion of the cutting force and cutting heat is achieved, the stability of the cutter in the machining process can be improved, and the temperature generated in the cutting process is reduced.
Owner:ACCURATE TOOL TECHNOLOGY (SHANGHAI) CO LTD

Gold raw material pretreatment device for potassium aurous cyanide production

PendingCN121797610AAchieve high-purity separationsSolve industry problemsSievingScreeningCyanideFan blade
The invention discloses a gold raw material pretreatment device for potassium aurous cyanide production, and relates to the technical field of gold raw material pretreatment, the gold raw material pretreatment device comprises a workbench, the upper side of the workbench is provided with a rolling mechanism for rolling a gold raw material into thin sheets, and the rolling mechanism comprises a support fixedly connected to the upper side of the workbench; an upper binding assembly and a lower binding assembly are arranged in the support, and one side of the upper binding assembly and one side of the lower binding assembly are each provided with a collecting mechanism used for distinguishing and collecting gold powder and gold fragments on a roller. When the scraping plate transversely pushes the gold powder accumulated among the filter holes, the fan blades are driven to rotate through friction transmission between the rotating wheel and the concentric-square-shaped plate, and directional airflow is generated to purge the working surface of the scraping plate in real time; the linkage design effectively solves the industrial problem that the gold powder adheres to the scraper, and continuity and stability of the recovery process are ensured.
Owner:SHANDONG SONGSHENG NEW MATERIAL CO LTD

Rotary cutting tool with sawtooth-shaped cutting edge and preparation method of rotary cutting tool

The invention discloses a rotary cutting tool with a zigzag cutting edge, which comprises a cutter body and is characterized in that a chip breaker groove is arranged on the front cutter surface of the cutter body, so that the zigzag cutting edge comprising a plurality of cutting teeth is formed on the cutting teeth, the groove surface of the chip breaker groove is provided with a cutting guide surface, and the cutting guide surface is provided with a plurality of cutting teeth. Therefore, cuttings can be guided into the cutter body chip containing groove or guided in the chip removal direction of the cutter body chip containing groove. The sawtooth-shaped cutting edge can effectively offset or balance cutting force, including axial cutting pressure, axial cutting tension and radial cutting force, from different directions, double dispersion of the cutting force and cutting heat is achieved, the temperature generated in the cutting process is reduced, the stability of the cutter in the machining process is greatly improved, and the service life of the cutter is prolonged. The service life of the cutter is prolonged, the machining efficiency and precision are remarkably improved, and a brand-new technical path is developed for machining of the metal thin-wall part.
Owner:ACCURATE TOOL TECHNOLOGY (SHANGHAI) CO LTD

Application and method of terahertz broadband spectrum to determine the final aerobic biodegradability of polylactic acid-based degradable materials

The invention belongs to the technical field of determination of polylactic acid degradation materials, and specifically relates to an application and method of terahertz broad spectrum determination of final aerobic biodegradability of polylactic acid degradation materials. A Fourier transform infrared spectrometer is used to test the terahertz broad spectrum of a sample at different degradation stages, and the rupture of ester bonds and the transformation of polymers into oligomers in the degradation process are reacted to the changes in the effective areas of certain specific characteristic peaks in the spectrum. It is found that there is a significant correlation between degradation performance data and the effective areas of certain specific characteristic peaks in the spectrum. A linear regression equation is then established, and sharp characteristic peaks with sample characteristic information can be obtained without destroying the original form of a polylactic acid degradation material product. The detection is fast, convenient and efficient, and the detection cost is greatly reduced.
Owner:NANJING XIAOZHUANG UNIV

Low-energy-consumption phase-change CO2 capture-methanol co-production process system for flue gas of thermal power plant

The present invention relates to the technical field of thermal power plant flue gas carbon capture and resource utilization, and discloses a thermal power plant flue gas low energy consumption phase change CO2 capture-methanol co-production process system, which comprises: a CO2 absorption unit, which enables a non-aqueous phase change absorbent to absorb CO2 in thermal power plant flue gas to form a rich absorption liquid; the liquid-liquid phase separation unit is used for spontaneously separating the rich absorption liquid into a barren liquid phase and a rich liquid phase, and returning the barren liquid phase to the CO2 absorption unit; the rich liquid regeneration unit is used for heating and regenerating the rich liquid phase so as to desorb CO2 gas; the CO2 catalytic methanol synthesis unit is used for synthesizing methanol from CO2 gas and external hydrogen-rich gas; the heat pump waste heat recovery unit is used for recovering methanol synthesis reaction heat, upgrading the methanol synthesis reaction heat and supplying the methanol synthesis reaction heat to the pregnant solution regeneration unit; and the AI intelligent regulation and control unit is used for collecting process parameters of each unit and carrying out collaborative optimization control on an execution mechanism of each unit based on an improved model prediction control algorithm. Therefore, the energy consumption in the carbon capture process is greatly reduced, and the high-value utilization of carbon resources is realized.
Owner:GUIZHOU INST OF COAL SCI +1

A dynamic face recognition device for smart construction site based on a BIM model

The application relates to the field of face recognition technology and discloses a dynamic face recognition device for a smart construction site based on a BIM model, which comprises a perception terminal integrated on a standard safety helmet and comprises an internal miniature camera, an external wide-angle camera and a controller. The internal miniature camera is fixed to the inner side of the brim of the safety helmet and captures stable eyebrow-eye and forehead area images of a wearer in a non-invasive manner, so as to collect a first biological feature image of a worker. The external wide-angle camera is installed on the forehead of the safety helmet and is used for collecting a first environment image of the visual angle of the worker. The first environment image is collected by the external wide-angle camera to determine the space-time anchor point of the worker, a BIM real-time interaction engine infers an expected worker based on the space-time anchor point, and then the unobstructed local first biological feature image of the eyebrows and eyes is collected by the internal miniature camera, and the first biological feature image is compared with a preset biological feature model of the expected worker, so that the stability and accuracy of identity recognition are ensured.
Owner:GUANGZHOU HUAXIA VOCATIONAL COLLEGE

Shielding frame steel mesh opening method and device, electronic equipment and storage medium

PendingCN122294394Ashorten the timeDesign fasterGraphicsStructural engineering
This invention discloses a method, apparatus, electronic device, and storage medium for opening a shielding frame steel mesh. It can determine the type of graphic data based on the acquired shielding frame graphic data to identify closed and non-closed shielding frame graphics. Different port identification methods can be used to obtain corresponding shielding frame ports for different non-closed shielding frame scenarios, while ports are not needed for closed shielding frame scenarios. The invention acquires the steel mesh opening length range, bridging width, and internal / external expansion parameters, and calculates the steel mesh opening length, bridging position, and angle to obtain the shielding frame steel mesh opening graphic. The solution provided by this invention, implemented through software, can achieve shielding frame steel mesh opening with a single click, completing the opening design within 3-5 minutes. This significantly saves design time, reduces the complexity of shielding frame steel mesh opening design, increases the speed of shielding frame opening design, and solves an industry problem.
Owner:WANGYOU IND SOFTWARE (GUANGDONG) CO LTD

A method for recycling titanium alloy scrap based on hot isostatic pressing

PendingCN122559220APrecise and controllable ingredientsImprove performance consistency
This invention discloses a method for recycling titanium alloy recycled materials based on hot isostatic pressing (HIP), belonging to the field of titanium metallurgy. The method includes the following steps: First, titanium alloy recycled materials with different oxygen contents are accurately calculated and mixed to obtain a homogeneous mixture. Second, a titanium alloy sheath of the same material as the product is manufactured using 3D printing technology. The pre-mixed powder is then filled into the sheath and compacted. Finally, after vacuuming and sealing, HIP sintering is performed to directly obtain a near-net-shape dense blank under high temperature and pressure. This method optimizes the process flow by combining the full densification capability of 3D-printed sheaths with HIP technology, eliminating the remelting, sheath removal, and numerous machining steps required in traditional recycling processes. It directly produces near-net-shape products from recycled materials, significantly reducing energy consumption, labor time, and raw material loss, achieving a high-value green recycling of titanium alloys.
Owner:GUIZHOU LIYUAN HYDRAULIC CO LTD

Power line loss detection system based on unmanned aerial vehicle

The invention relates to the technical field of line loss detection, and discloses a power line loss detection system based on an unmanned aerial vehicle, which realizes high-precision and real-time three-dimensional reconstruction of a conductor under vegetation shielding through multi-sensor synchronous acquisition and a multi-source confidence fusion algorithm, and solves the problem of inaccurate and unfast line form perception in a complex scene. Furthermore, physical states such as three-dimensional shapes and temperatures are accurately mapped into line loss quantitative indexes through a dynamic alternating-current resistance model, so that the crossing from defect detection to energy efficiency evaluation is realized. The system finally becomes an intelligent platform integrating safety inspection and lean line loss management, and provides direct decision support for economic operation of a power grid.
Owner:江苏齐圣信息技术有限公司

Method for predicting thermal runaway risk based on side reaction current of lithium battery

The invention belongs to the technical field of safety management and state estimation of lithium ion batteries, and discloses a method for predicting thermal runaway risk based on side reaction current of a lithium battery. The method comprises the following steps: collecting the charging capacity, the discharging capacity, the charging duration and the discharging duration of the battery in the nth charging and discharging cycle process, and calculating irreversible oxidation reaction current and irreversible reduction reaction current; the change trend of the irreversible oxidation reaction current and the irreversible reduction reaction current in continuous multiple cycles is analyzed, if the irreversible oxidation reaction current and the irreversible reduction reaction current in continuous 5-6 cycles both present a continuous rising trend, it is judged that the battery presents a thermal runaway risk feature, and a thermal runaway early warning mechanism is triggered. According to the method, an extra complex sensing device is not needed, the data is extracted from the conventional operation data of the battery for calculation, the cost of a battery safety system can be greatly reduced, and the method has important practical value for popularization and application of the lithium ion battery in the fields of energy storage, new energy electric vehicles and the like.
Owner:TIANJIN UNIV