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668results about How to "Guaranteed smoothness" patented technology

Red tide algae identification method based on hyperspectral image

The invention relates to the technical field of image recognition, in particular to a red tide algae recognition method based on a hyperspectral image, and the method comprises the following steps: calculating a gradient value of each pixel in a spatial dimension and a spectral dimension according to an original hyperspectral data cube, setting a diffusion coefficient for diffusion, and obtaining a three-dimensional fidelity hyperspectral data cube. According to the method, the gradient change trends of the spatial dimension and the spectral dimension are extracted at the same time pixel by pixel, and the regional differentiation diffusion operation is matched, so that the expression ability of the alga plaque boundary and the consistency of the internal spectral characteristics are enhanced, and the fidelity of the hyperspectral data in fine-grained region identification is improved; upper convex hull calculation of a spectral reflectivity curve and construction of a continuous spectrum background baseline are introduced, and characterization of pigment absorption morphological characteristics is enhanced; and in combination with the characteristic absorption wave bands of chlorophyll and phycobiliary, the synergistic weighted response to the distribution of the algae pigment is realized, and the sensitivity and selectivity of pigment recognition are improved.
Owner:FUJIAN HUAMIN YIJIA TECH CO LTD

Industrial gas online monitoring equipment

The invention discloses industrial gas on-line monitoring equipment, and relates to the technical field of monitoring equipment.The industrial gas on-line monitoring equipment comprises a monitor installed on a rack, and a gas guide pipe used for guiding industrial gas to be monitored by the monitor is arranged outside the rack; a spacing disc is fixed in the air guide pipe, a plurality of disc channels which are uniformly distributed around the axis of the spacing disc are arranged on the spacing disc, and filter plates are mounted in the disc channels; a side box and a side plate are arranged on the two sides of the spacing disc respectively, the side box is close to the industrial gas inlet end of the gas guide pipe, a shaft pipe is rotationally arranged on the spacing disc, the side box is fixed and communicated to the shaft pipe, and the side plate is movably arranged on the shaft pipe. According to the industrial gas online monitoring equipment, by arranging the side box, the side plate and other structures, rapid cleaning of impurities can be completed without shutdown, it is guaranteed that impurity suction and gas monitoring do not affect each other, meanwhile, the two-way collaborative reverse blowing cleaning effect of reverse blowing and suction is formed, synchronous cleaning of the side box is completed, and the service life of the side box is prolonged. And the use efficiency of the industrial gas online monitoring equipment is improved.
Owner:AIKESI ELECTRONICS TECH (CHANGZHOU) CO LTD

Fatigue driving prevention signal lamp and atmosphere lamp control method and vehicle

PendingCN121963155AEliminate frequent jumps in control statusGuaranteed smoothnessImage enhancementImage analysisActive safetyProjection image
The invention discloses an anti-fatigue driving signal lamp and atmosphere lamp control method and a vehicle, and relates to the technical field of vehicle intelligent auxiliary driving and active safety, and the method comprises the steps: collecting a cab video stream, and positioning face key points after image preprocessing; calculating an eye PERCLOS index and a mouth yawning frequency, and dynamically adjusting a weight based on a face angle so as to fuse and calculate a comprehensive fatigue index; carrying out grading judgment on the index by utilizing a hysteresis interval containing a starting threshold value and a reset threshold value, and reducing a judgment threshold value in real time by utilizing a linear model according to the vehicle speed; and driving an indoor atmosphere lamp to execute a breathing or stroboscopic mode according to the judged sober, mild or severe fatigue grade, controlling an outdoor signal lamp and a road surface projection assembly to execute corresponding warning actions, and performing reverse pre-distortion processing on a projected image. According to the invention, through multi-source feature fusion, hysteresis threshold determination and vehicle speed correction mechanisms, the stability of fatigue monitoring and the accuracy of warning are improved.
Owner:CHINA FAW CO LTD

Cross-temperature health state evaluation method and system for underwater robot battery

PendingCN121955794AEnhance targeted portrayal capabilitiesStable estimated performanceElectrical testingKernel methodsElectrical batteryEngineering
The invention discloses a cross-temperature health state assessment method and system for an underwater robot battery, and relates to the technical field of battery health state assessment, and the method comprises the steps: S1, collecting data in the operation process of an underwater robot; s2, an environment temperature profile is constructed, and working condition types are identified; s3, constructing a multi-dimensional health feature vector; s4, constructing an LSSVM and SVR regression model, and optimizing model hyper-parameters; s5, calculating characteristic stability and comprehensive complexity indexes, and adaptively selecting a model; s6, identifying the working condition category of the charge-discharge cycle, extracting and standardizing the features, calling the adaptive model, iteratively outputting SOH estimated values, and splicing to form an SOH evolution curve; according to the cross-temperature health state evaluation method and system for the underwater robot battery provided by the invention, the problems of unstable cross-temperature performance and insufficient generalization ability in the prior art are solved.
Owner:HAINAN UNIV

A voice interaction method, system, device and storage medium

ActiveCN120412573Bimprove accuracyAchieve contextual understandingSpeech recognition
A voice interaction method, system, device, and storage medium are disclosed. The method includes: acquiring historical voice interaction data of a target user, their viewing location, and an audio stream at that location; acquiring a knowledge graph of multiple exhibits within the area where the viewing location is located; determining the target user's voice interaction commands in the audio stream; associating the voice interaction commands with historical voice interaction data based on a preset contextual dialogue model to obtain contextual dialogue data; determining the target user's intent based on the voice interaction commands and contextual dialogue data; determining the explanation content based on the exhibit knowledge graph and the target user's intent, and generating a target display scene based on the explanation content; selecting a target virtual guide from a preset virtual guide library based on the explanation content, and displaying the target display scene; and having the target virtual guide explain the target display scene based on the explanation content. This application can improve the accuracy of voice interaction in VR exhibitions.
Owner:SUZHOU I MUSEUM DIGITAL TECH CO LTD

An automated welding apparatus for a de-arching device housing

PendingCN122500446Aprevent movementProtect appearance
This invention relates to the field of arch breaker shell welding technology, and specifically discloses an automated welding device for arch breaker shells. A welding component is fixedly connected to the center of the top of the workbench, and positioning components are slidably connected to both sides of the top of the workbench. Placement seats are symmetrically arranged on the top of the workbench, with their bottoms slidably connected to the top of the workbench. One end of a lead screw is rotatably connected to the inner side of the workbench. This automated welding device for arch breaker shells can pre-adjust the extension position of the support frame according to the outer diameter of the flange matching different specifications of the arch breaker cylinder, so as to adapt to the flange outer diameter. When welding the cylinder and flange, the weld area continuously experiences high temperature, resulting in thermal expansion. After cooling, it contracts, which can easily cause the flange to shift axially and radially, leading to misalignment of the circumferential seam and uneven gaps. The support frame closely adheres to the edge of the flange end face, forming a circumferential limiting constraint to prevent movement during welding.
Owner:YANGZHOU YONGRUI MACHINERY CO LTD

Anti-deformation high-strength inspection well prefabricating mold

The invention discloses an anti-deformation high-strength inspection well prefabricating mold which comprises a base, an outer mold assembly is slidably mounted on a top plate of the base, an inner mold assembly is mounted at the position, in the center of the outer mold assembly, of the base, a demolding assembly is mounted in the inner mold assembly, sliding assemblies are mounted on the two sides of the bottom of the outer mold assembly, and sliding ways are mounted at the positions, corresponding to the sliding assemblies, of the base. The sliding assembly is slidably arranged on the slide way. Through the longitudinal reinforcing ribs and the transverse reinforcing ribs, a stable net-shaped reinforcing structure is formed, side pressure generated on the arc-shaped outer formwork in the concrete pouring process can be effectively dispersed, damage such as bending, deformation and cracking caused by uneven stress of the arc-shaped outer formwork is avoided, the structural stability and deformation resistance of the mold are remarkably improved, and the service life of the mold is prolonged. The reinforcing rib forming grooves which are perpendicularly crossed are formed in the inner side wall of the arc-shaped outer formwork, corresponding outer wall reinforcing ribs can be formed on the outer wall of the inspection well during concrete pouring, and the structural strength of the formed inspection well is effectively enhanced.
Owner:GANSU LANSHENG NEW MATERIALS CO LTD

Focus motor and camera module

ActiveCN224471891UAvoid insufficient directional componentsEasy to installCamera moduleMechanical engineering
The application provides a focusing motor and a camera module. The focusing motor comprises a fixed part, a moving part, a focusing assembly, a magnetic attraction sensing part, a guide part and a position sensor. The fixed part comprises a first support arm and a second support arm connected with each other, and a light passage hole formed between the first support arm and the second support arm. The moving part is arranged in the light passage hole and can move in a preset direction. The magnetic attraction sensing part is arranged in the moving part. The angle between the magnetization direction of the magnetic attraction sensing part and the first direction and the second direction perpendicular to the preset direction is an acute angle. The guide part is arranged on the first support arm and corresponds to the magnetic attraction sensing part. The position sensor is arranged on the second support arm and corresponds to the magnetic attraction sensing part. The position sensor can generate an induction force with the magnetic attraction sensing part, so that the position sensor can sense the moving position of the moving part. The focusing motor can significantly reduce the size of the focusing motor, and can guarantee the guiding stability and the position detection precision required by the automatic focusing function while realizing the miniaturization of the camera module.
Owner:NANCHANG OFILM HUAGUANG TECH CO LTD

A high-strength insulation board bending resistance performance detection device

ActiveCN224416621Uprevent stacking from tippingGuarantee stabilityHydraulic cylinderControl engineering
The utility model relates to the technical field of insulation board processing, especially to a high -strength insulation board anti -bending performance detection device, including frame, be provided with processing mechanism on the frame and be used for insulation board processing, processing mechanism includes: take and put subassembly, set up on the frame and be used for insulation board taking and placing, feed assembly, including the right table board of fixed right end on the top of frame, the right end inside the frame is equipped with first hydraulic cylinder, and the output of first hydraulic cylinder is fixed with base plate, and the top of four corners of base plate is all fixed with guide rod, and guide rod and right table board penetrate through sliding installation, and the top between four corners's guide rod is fixed with the supporting plate, detection component sets up on the frame and is used for insulation board bending degree detection, through the hydraulic drive four -corner guide rod realizes the steady feed of insulation board, and the cylinder controls detection component intelligent avoidance, and hydraulic loading cooperates sensor accurate measurement anti -bending performance, realizes the full -process automation from feed, taking and placing to detection, ensures the test accuracy and operation efficiency.
Owner:HEBEI ZEKAI ENERGY SAVING TECH CO LTD

A cooking assisting method and device based on recommended recipes

The present application relates to the technical field of recipe recommendation, and particularly relates to a cooking auxiliary method and device based on recommended recipes. The method comprises the following steps: in response to an operation instruction of a user for a recommended recipe, identifying the operation instruction to obtain instruction information, and inputting the instruction information into a pre-trained binary classification model to enable the binary classification model to judge the type of the instruction information; in the case that the instruction information belongs to inquiry information, inputting the instruction information into a pre-trained recipe question and answer language model to enable the recipe question and answer language model to generate a response matched with the instruction information; in the case that the instruction information belongs to correction information, inputting the instruction information into a pre-trained recipe correction model to enable the recipe correction model to determine a step to be corrected in the recommended recipe to which the instruction information is directed, and adjusting the step to be corrected according to correction information contained in the instruction information; and providing the generated response or the adjusted recommended recipe to the user.
Owner:HANGZHOU ROBAM APPLIANCES CO LTD +1

Indoor environmental monitoring and detection device

This utility model relates to the field of indoor monitoring, specifically to an indoor environmental monitoring and detection device, including a base and a detection device body. The upper surface of the base has multiple mounting holes and a convenient assembly / disassembly mechanism. This mechanism includes an installation component, two disassembly components, and two positioning components. The installation component includes a first mounting seat fixedly connected to the bottom surface of the base, and a second mounting seat slidably connected within the first mounting seat. This utility model, through its installation component, enables rapid installation between the detection device body and the base; through its disassembly components, it enables rapid disassembly of the detection device body; and through its positioning components, it provides precise guidance for the sliding of the second mounting seat, preventing rotation after installation and further improving the stability of the device, ensuring stable operation of the detection sensor.
Owner:JIANGSU CHENGDA TESTING TECH CO LTD

A setting device and method for wrinkle-resistant and non-iron-wrapping functional fabrics.

PendingCN122669554Aeasy to useUniform padding
This invention discloses a setting device and method for wrinkle-resistant and non-iron-feeling functional fabrics, belonging to the field of garment fabric processing technology. It aims to solve the problems of unstable fabric conveying tension, uneven dyeing, easy wrinkling during cooling, and inconvenient replacement of supporting components in existing setting devices. The device includes a frame, drive box, drying box, dyeing box, cooling box, conveyor belt, servo motor, drive shaft, and placement assembly. The dyeing box is equipped with a liquid storage chamber, hemispherical protrusions, and arc-shaped clearance grooves, which can achieve uniform dyeing of the fabric and recover excess working liquid. The cooling pipes in the cooling box form a temperature gradient to prevent a sudden drop in fabric temperature. The placement assembly can maintain stable tension as the fabric decreases and can also disconnect the supporting component from the drive shaft when little fabric remains, ensuring the conveying of the remaining fabric. It also facilitates the disassembly and replacement of the supporting component. This device is mainly used for setting processing of wrinkle-resistant and non-iron-feeling functional fabrics, improving setting quality and operational continuity, and reducing working liquid consumption.
Owner:SHOWMETEX KNITTING & DYEING

A control method, apparatus, and electronic device for data transmission

This application provides a control method, apparatus, and electronic device for data transmission, relating to the field of data transmission technology. The control method for data transmission includes: determining a target evaluation value; if the target evaluation value is within a preset first evaluation interval, determining whether the available bandwidth of the uplink network meets the bandwidth requirement corresponding to a first transmission strategy; if so, updating the transmission strategy used in the specified transmission process to the first transmission strategy; otherwise, maintaining the current transmission strategy used in the specified transmission process unchanged; if the target evaluation value is within a preset second evaluation interval, maintaining the current transmission strategy used in the specified transmission process unchanged; if the target evaluation value is within a preset third evaluation interval, updating the transmission strategy used in the specified transmission process to the second transmission strategy. Therefore, this solution can ensure the stability and smoothness of data transmission.
Owner:HANGZHOU EZVIZ SOFTWARE CO LTD

Device for large-capacity chemical liquid storage of semiconductor equipment and chemical liquid supply system

The application relates to the field of semiconductor process equipment, in particular to a device for large-capacity liquid medicine storage of semiconductor equipment and a liquid medicine supply system. The device comprises a liquid storage tank provided with a liquid storage cavity, the upper portion of the liquid storage cavity is provided with a cleaning cavity in fluid communication with the liquid storage cavity; the internal volume of the cleaning cavity is smaller than that of the liquid storage cavity; a liquid inlet pipe is arranged to introduce liquid medicine into the liquid storage cavity of the liquid storage tank from the outside; a liquid outlet pipe is arranged at the bottom of the liquid storage cavity and connects the liquid storage cavity of the liquid storage tank to a liquid source; a waste pipe is arranged at the top of the cleaning cavity to discharge the liquid medicine bubbles in the cleaning cavity; and a vent pipe is arranged to connect the cleaning cavity of the liquid storage tank with the outside to keep the air pressure in the cleaning cavity of the liquid storage tank consistent with the ambient air pressure. The application improves the separation efficiency of large-capacity liquid medicine and gas, reduces the probability of generating bubbles in the liquid medicine, improves the uniformity of wafer surface coating, and can meet the high-integration equipment layout.
Owner:KINGSEMI CO LTD

Brain-computer interface smart zoom glasses and visual adaptive adjustment system

This invention discloses a brain-computer interface (BCI) smart zoom glasses and a visual adaptive adjustment system, relating to the field of smart glasses technology. It includes an EEG signal acquisition module that attaches to the user's head to collect signals, extracts feature vectors after noise reduction, and transmits them to a core control module; a visual environment perception module that collects target and environmental data, generates structured data packets, and transmits them synchronously; a core control module that integrates multi-source data, identifies visual intent, and decides on adjustment parameters; a smart zoom execution module that adjusts the lens focal length and provides closed-loop feedback to calibrate accuracy; a visual adaptive adjustment module that adjusts lens parameters based on the environment and fatigue state; a human-computer interaction module that supports manual operation, status display, and vibration feedback; and a data storage and update module that stores data and iteratively optimizes the model. This invention achieves accurate visual intent recognition through brain-computer interaction; personalized modeling adapts to different user needs, meeting the product development and application requirements of the wearable smart device manufacturing field.
Owner:GUANGDONG LIANGJINGJING TECH CO LTD

Real-time call translation method and device

The invention provides a real-time call translation method and device, relates to the technical field of data processing, and is applied to a Bluetooth headset, and the Bluetooth headset establishes communication connection with a mobile terminal through a Bluetooth hands-free protocol and establishes communication connection with a translation application running in the mobile terminal through a Bluetooth low-power-consumption general attribute protocol. The method comprises the following steps: acquiring an original sound to be translated, and performing audio compression coding on the original sound to be translated to obtain a compressed audio; transmitting the compressed audio to the translation application through a Bluetooth low-power-consumption general attribute protocol; receiving a translated audio returned by the translation application through a Bluetooth low-power universal attribute protocol, wherein the translated audio is an audio generated after the translation application translates the compressed audio; and carrying out sound mixing processing on the original sound to be translated and the translated audio to obtain a mixed audio, and outputting the mixed audio.
Owner:IFLYTEK CO LTD

Laminated optical film and image display device

Provided is a laminated optical film in which at least a retardation film and an optical film other than a polyvinyl alcohol film are laminated via a molecular adhesive layer, the molecular adhesive layer being a cured product layer of a molecular adhesive having at least one reactive group selected from the group consisting of silanol groups and alkoxysilyl groups, and the molecular adhesive layer being a cured product layer of a molecular adhesive having at least one reactive group selected from the group consisting of silanol groups and alkoxysilyl groups. When the smoothness of a laminate of the entire laminated optical film is set as beta, beta < 0.45 arcmin is satisfied. The optical film is preferably a phase difference film. The thickness of the molecular adhesive layer is preferably 1 nm or more and 100 nm or less. The thickness of the retardation film is preferably 5 [mu] m or less.
Owner:NITTO DENKO CORP

Electromagnetic oscillation stability method for grid-connected photovoltaic system considering transformer dynamic characteristics

PendingCN122620594AGuaranteed smoothnessAvoid introducing co-channel interference
The application belongs to the technical field of power systems and their automation, and specifically discloses a method for stabilizing electromagnetic oscillation of a photovoltaic grid-connected system considering dynamic characteristics of a converter. According to the application, a target current absorbed by a target inverter from a DC side in the photovoltaic grid-connected system is calculated based on a target signal processing device; a target DC bus voltage value is calculated based on a DC bus voltage equation; a difference between a DC bus voltage reference value and the target DC bus voltage value is calculated, and the action of the target converter is controlled according to the voltage difference. In the above manner, the target current is calculated by taking the filtered DC bus voltage measurement value as the divisor and the power as the dividend, so that the target current no longer sharply increases with the drop of the actual voltage under high-frequency dynamics, and the oscillation between the circuit and the constant power load is suppressed by introducing positive damping in the control loop, thereby significantly improving the stability of the photovoltaic grid-connected system and reducing the cost of stabilizing electromagnetic oscillation.
Owner:NORTHWEST BRANCH OF STATE GRID POWER GRID CO +1

Package defective product removing device with visual inspection function

ActiveCN224208596Uachieve cullingAvoid tedious workSortingVisual inspectionMechanical engineering
The utility model relates to the technical field of visual inspection, and discloses a defective package rejecting device with visual inspection, which comprises a support component, a conveying component is mounted at the top of the support component, and a height adjusting and detecting component is mounted on the rear side of the top of the conveying component. And the rear side of the height adjusting and detecting assembly is correspondingly provided with the flow dividing control assembly, the rear side of the flow dividing control assembly is correspondingly provided with the flow dividing rail assembly, and the flow dividing rail assembly, the flow dividing control assembly and the height adjusting and detecting assembly are fixedly installed at the top of the support assembly. According to the utility model, the control shunting assembly is arranged on the device, so that when the device is used, defective products or unqualified products captured in the detection process can be shunted and guided out through the arranged control shunting assembly, and then the working effect of removing is realized; and the work complexity of subsequent manual independent sorting is avoided.
Owner:JIANGXI YOUJIU IND CO LTD

Tobacco primary processing unpacking automatic transfer system

The invention provides an automatic transfer system for tobacco primary processing and unpacking, the automatic transfer system for tobacco primary processing and unpacking comprises a process planning module, an equipment execution module and an operation monitoring module, the process planning module is used for obtaining a box skin transfer process of a tobacco primary processing and unpacking link and generating a corresponding unpacking operation instruction; the equipment execution module is used for responding to the unpacking operation instruction and carrying out unpacking transfer work according to the unpacking operation instruction; and the operation monitoring module is used for monitoring the instruction issuing state of the process planning module and the operation running state of the equipment execution module, and visually displaying the instruction issuing state and the operation running state. Through cooperative linkage of the three modules, full-process automation of box skin and lining paper collection and the like in the tobacco primary processing unpacking link is achieved, manual operation is effectively replaced, the situation that in the prior art, an AGV is only used as a pure transfer tool is changed, and the overall automation degree and operation efficiency are greatly improved.
Owner:HUBEI CHINA TOBACCO INDUSTRY CO LTD

Weak illuminometer calibration system and calibration method

PendingCN121954210AImprove adaptabilityAdaptability avoidancePhotometryIlluminanceOptic system
The invention provides a weak illuminometer calibration system and calibration method. The method specifically comprises the following steps: S1, determining a calibration coefficient of a measurement system; s2, calculating to obtain a corresponding illumination correction factor; and S3, calculating a standard micro-illuminance value of the calibrated illuminometer by combining the display value of the first luminosity detector, the calibration coefficient and the illuminance correction factor under the corresponding aperture, and obtaining a relative indication error of the calibrated illuminometer by comparing a response value Ex of the calibrated illuminometer with the standard micro-illuminance value. Based on a highly-integrated linear optical system, the problems that in a traditional mode, the calibration process is tedious and prone to being interfered by the environment, errors are transmitted step by step, and precision is insufficient due to light intensity attenuation are solved, efficient, high-precision and traceable calibration in a weak illumination interval is achieved, operation is easy and convenient, and cost is low.
Owner:HANGZHOU REMOTE TESTING & CALIBRATION TECH CO LTD

Dynamic balance compensation device for high-precision grinding disc

The utility model discloses a high-precision dynamic balance compensation device for a grinding disc, relates to the technical field of grinding processing equipment, aims to solve the problems of unsmooth feeding and influence on efficiency caused by easy inclination and unbalance of materials during automatic feeding in the prior art, and comprises a base, a circulating water tank, a material disc, a grinding disc, a feeding table and the like. The compensation device is arranged on the feeding table support and comprises a two-way threaded rod, a connecting plate, a sliding guide rod and a clamping plate, the two-way threaded rod is driven to drive the clamping plate to move, and the position of materials in the feeding table is adjusted or fixed. And it is guaranteed that the materials smoothly and stably fall into the material holes, and the continuity of grinding work and the production efficiency are improved.
Owner:XINXIANG ZHONGYAN PRECISION EQUIP CO LTD

Graphene modified aluminum-based composite plate and preparation method thereof

The application discloses a graphene modified aluminum-based composite plate and a preparation method thereof, which comprises the following components in terms of mass ratio: aluminum alloy: ceramic: alkyl magnesium solution: graphene = 4500-5000: 10-50: 1000: 1; the ceramic particle size is 0.05-50 mu m; the aluminum alloy particle size is 10-100 mu m; the composite plate provided by the application has a tensile strength of up to 512 MPa, a yield strength of up to 407 MPa, and a corrosion rate of only 0.9 g / m 2 d, and the preparation method is simple and efficient.
Owner:CHINA ELECTRIC POWER RESEARCH INSTITUTE CO LTD +2

Flexible array ultrasound full free-form profile inversion method without prior position

PendingCN122594619AGuaranteed brightnessGuaranteed Contrast
The application discloses a flexible array ultrasonic full free contour inversion method without prior position, and belongs to the technical field of ultrasonic nondestructive testing. In view of the problem that the existing method depends on external equipment or prior geometric constraint and has poor universality, the application only utilizes the equal-interval transverse arrangement characteristics of an array, parameterizes the array contour with a Bezier curve full free parameter, and all the longitudinal coordinates of control points are to-be-optimized variables; a double-objective function containing an imaging envelope energy, a curvature penalty term and a circular phase variance is constructed, a multi-objective optimization algorithm is adopted to obtain a Pareto optimal solution set, and the optimal solution is selected after normalization to determine the spatial position of each array element. The application realizes full free inversion, does not need prior values of array element positions, improves contour reconstruction precision and image quality, and is suitable for health monitoring and nondestructive testing of complex curved surface structures.
Owner:HEBEI UNIV OF TECH

A hip joint prosthesis for bone defects

ActiveCN120605135Bexact fitImprove initial stabilityJoint implantsHip joints
This invention discloses a hip joint prosthesis for bone defects, comprising a crescent-shaped acetabular rim filler assembly, a bone-metal defect block, an acetabular wall defect support block, a cylindrical support block, an angle pad, a locking screw, a locking nut, an assembly screw, an acetabular sealing screw, and an acetabular support block. The crescent-shaped acetabular rim filler assembly includes two sets of crescent-shaped acetabular rim fillers, which are assembled by engaging pins through pin holes. The outer circumference of the bone-metal defect block of the acetabular support block is connected to the crescent-shaped acetabular rim filler assembly via bone cement. This hip joint prosthesis for bone defects effectively fills irregular defect areas of the acetabular rim. The various screw holes and Kirschner wire holes on its surface provide multi-dimensional fixation options. The overall structure, through the synergistic action of multiple components, achieves precise reconstruction while ensuring biomechanical performance, significantly reducing the risk of postoperative prosthesis loosening and wear.
Owner:BEIJING LIDAKANG TECH

A prefabricated railway beam three-wall synchronous construction measurement method

PendingCN122429773AImprove embedded precisionImprove construction qualityRebarMechanical engineering
The application discloses a prefabricated railway beam three-wall synchronous line-under construction measurement method, a bk field inner reference net point layout, a beam bottom embedded plate hole group center measurement in a beam manufacturing area, a beam manufacturing area central axis point position calculation, a beam manufacturing area coordinate conversion, a beam manufacturing area three-wall steel bar boundary line lofting, a beam manufacturing area beam top matching point accurate lofting, a stored beam area accurate measurement matching point, a stored beam area central axis point position calculation, a stored beam area coordinate conversion, a stored beam area three-wall contour line lofting and template checking, a three-wall completion line shape measurement, and prefabricated beam erection control.
Owner:CCCC SHEC FOURTH ENG +1

A type of self-balancing scooter

This utility model relates to the field of children's vehicle technology, specifically to a balance bike, which mainly includes: a frame, a front connecting seat, a seat connecting seat, and a rear connecting seat. By setting a handlebar adjustment component, the handlebar height can be adjusted independently with ease to accommodate children of different heights, which helps to expand the product's applicable population and service life. In cooperation with the handlebar orientation mechanism, the handlebar and seat bar can only move axially, effectively avoiding circumferential rotation, ensuring the smoothness and accuracy of the adjustment process, and providing a better user experience. It solves the problem of extremely unsmooth adjustment process and difficulty in accurately and quickly positioning to the required height.
Owner:ZHONGSHAN FENGSHUO DAILY PROD CO LTD +1

Display interface module and LED display system

The invention provides a display interface module and an LED display system. The LED display system comprises an LED display module, a sending box, an interface card and a display interface module. An interface unit in the display interface module can synchronously receive a power signal and an LVDS signal, and an output unit can synchronously transmit the power signal and a TTL signal, so that compatibility of signal transmission and power transmission is realized, the number of wires and operation steps for field installation are effectively reduced, and human resource investment and installation time consumption are reduced; meanwhile, the signal conversion unit can convert the LVDS signal into a TTL signal, so that the requirement of the LED display module on the TTL signal is effectively met, and the smoothness of signal transmission is ensured; besides, the display interface module comprises a storage unit, the storage unit can be used for storing correction data of the LED display module, an independent correction storage circuit does not need to be additionally arranged on the LED display module, redundant components and circuit design are omitted, hardware cost is reduced, and optimization of a product structure is facilitated.
Owner:SHENZHEN ABSEN OPTOELECTRONIC CO LTD +1

Hidden drainage ditch system of building curtain wall

A hidden drainage ditch system of a building curtain wall comprises a drainage ditch, a cover plate is installed on the drainage ditch, a water inlet is further formed in the upper portion of the drainage ditch, and the hidden drainage ditch system further comprises a filtering assembly arranged at the water inlet. The filtering assembly further comprises a primary filtering piece and a secondary filtering piece; the primary filter part comprises a barrier plate mounted at the water inlet, and a drainage gap for water flow to pass through is formed between the barrier plate and the water inlet; the secondary filtering piece comprises a filtering plate and a plurality of leakage holes formed in the filtering plate. According to the utility model, the blockage problem of the drainage ditch can be further relieved, and the maintenance intensity of the drainage system can be effectively reduced, so that the reliability and stability of the drainage system are enhanced.
Owner:ZHEJIANG CONSTR ENG GRP CO LTD

Oil and gas storage and transportation tank body cleaning device

The utility model discloses an oil and gas storage and transportation tank body cleaning device, which relates to the technical field of oil and gas storage and transportation tanks, and comprises an oil and gas storage and transportation tank body, the top of the oil and gas storage and transportation tank body is provided with a sealing pipeline, and the outer surfaces of the left side and the right side of the oil and gas storage and transportation tank body are respectively provided with a cleaning assembly. An inner cavity of the mounting box is connected with a rotating rod, the outer surface of the rotating rod is movably connected with a moving plate, and the outer surface of the moving plate is slidably connected with the inner cavity of the mounting box. According to the technical scheme, the cleaning assembly is arranged, so that the comprehensiveness and adaptability of cleaning operation are effectively improved. According to the cleaning assembly, the inner wall, the bottom curved surface area and the bottom of the tank body can be evenly cleaned without dead corners, and the cleaning efficiency and quality are remarkably improved; meanwhile, after cleaning is completed, the sweeping assembly can be rapidly separated from the inner wall of the tank body through the adjusting structure, and the adhesion problem caused by residual oil stains or viscous substances is avoided.
Owner:XI'AN PETROLEUM UNIVERSITY