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29results about How to "Solve function" patented technology

Virtual-real linkage experiment system based on digital twinning

The embodiment of the invention discloses a virtual-real linkage experiment system based on digital twinning. The virtual-real linkage experiment system comprises hardware experiment equipment and computer equipment for operating a virtual simulation platform. The hardware experiment equipment comprises a simulator and a plurality of pluggable function modules. And the simulator is in communication connection with the virtual simulation platform through a computer equipment communication interface and communicates with each functional module. And the virtual simulation platform runs the virtual simulation model, receives an operation instruction input by a user through the computer equipment input assembly, performs logic simulation, updates the simulation state of the virtual simulation model, generates simulation state information and sends the simulation state information to the simulator. The simulator converts the simulation state information into a driving signal, drives the corresponding function module to update the physical state, and collects the physical state of each function module to obtain physical state information. The physical state is generated by operation of a user on the corresponding functional module or by the functional module responding to the driving signal. And the virtual simulation platform updates the simulation state of the virtual simulation model according to the physical state information.
Owner:NANJING UNIV OF AERONAUTICS & ASTRONAUTICS

Urban potential updating area identification and division method driven by artificial intelligence

PendingCN121880604AEliminate dimensional barriersAvoid one-dimensional misjudgmentClimate change adaptationBiological modelsEngineeringLand use
The invention discloses an artificial intelligence-driven urban potential updating area identification and division method, which comprises the following steps of: firstly, constructing an index system according to three dimensions of building space, industry form composition and crowd vitality by using the collected building number, land function data, POI (Point of Interest) industry form data, LBS (Location Based Service) crowd data, high-definition remote sensing image data and road network data; the method comprises the following steps: carrying out hierarchical classification identification on an update object through a natural discontinuity point method and a K-Means clustering algorithm, carrying out intelligent division and optimization on a city update unit through a DBSCAN clustering algorithm and a reinforcement learning model of a graph network structure database, and finally carrying out division and boundary optimization on a city update area. According to the invention, automatic identification and division of potential updating objects, updating units and updating areas of the city can be realized, and digital and intelligent application conversion of city planning work is promoted.
Owner:SOUTHEAST UNIV

Anti-no-equipment combination system and display control method

The invention provides an anti-device-free combination system and a display control method, the anti-device-free combination system comprises a display control device and N layers of anti-device-free devices, and the display control device is connected with the first layer of anti-device-free device in the N layers of anti-device-free devices; the (i + 1) th layer of reverse null equipment in the N layers of reverse null equipment is connected with one of the ith layer of reverse null equipment in the N layers of reverse null equipment; the anti-null device of the (i + 1) th layer comprises a first anti-null device, and the anti-null device of the ith layer comprises a second anti-null device; the first anti-null device is used for reporting device operation related data of the first anti-null device to the second anti-null device; the second anti-null device is used for determining sub-device list data of the second anti-null device according to the device operation related data reported by the first anti-null device, and sending the sub-device list data to a superior device of the second anti-null device; and the display control equipment is used for generating and displaying an anti-no-equipment topological graph corresponding to the N layers of anti-no-equipment according to the sub-equipment list data sent by the first layer of anti-no-equipment.
Owner:SHENZHEN SAIFANG HEHUI SOFTWARE DEVELOPMENT CO LTD

Low-voltage cable integrated tracing device

ActiveCN111308394BGuaranteed anti-interference abilitylow costElectrical testingTransformerTransformation unit
The application belongs to the field of cable detection, and discloses a low-voltage cable comprehensive line searching device, which comprises a transmitter and a receiver; the transmitter comprises a power module, a modulation unit, an oscillation unit, a chopping unit, a voltage transformation unit, an isolation protection unit and an output unit; and the receiver comprises a cable identification sensor, a path detection sensor, a line searching signal detection unit, a power supply unit, a filter amplification unit, a power amplifier unit and an acoustic surface output unit. The device integrates cable path testing, cable identification and cable core line searching functions, and is lower in cost, portable and simple to operate, compared with the traditional cable path tester and cable identification instrument which are single-function devices, and can quickly solve the cable line inspection function and identification task in the transformer substation, complete the accurate cable line searching work, improve the work efficiency of the transformer substation cable inspection and replacement, and reduce or even eliminate the safety risk of the transformer substation reconstruction and expansion construction.
Owner:XIAN XU&HUI ELECTROMECHANICAL TECH CO LTD +1

Modular integrated dental chair waterline cleaning and disinfection device

This invention relates to the field of dental chair water system disinfection equipment, and discloses a modular integrated dental chair water system cleaning and disinfection device, including a device shell and internally detachably connected modules for clean water supply, chemical solution supply, water system switching, control, and monitoring. Each module is an independent detachable unit, connected via standardized fluid interfaces and electrical connectors; the clean water and chemical solution modules have independent fluid branches and standardized output interfaces connected to the water system switching module; the water system switching module has a built-in solenoid valve group, with its input end connected to the former two and its output end having a total output interface for the dental chair water system; the control module is electrically connected to each module, and the monitoring module includes a pipeline sensing unit. This invention effectively solves the problems of low integration, lack of modularity, inconsistent interfaces, and cumbersome maintenance in existing equipment, achieving fully automated cleaning and disinfection of the dental chair water system, while also possessing the advantages of strong adaptability and stable operation, significantly improving cleaning efficiency and hygiene safety.
Owner:THE STOMATOLOGIAL HOSPITAL OF ZHEJIANG UNIV SCHOOL OF MEDICINE

Cool-feeling regenerated colored polyamide fiber and preparation method thereof

PendingCN121781305AProve efficiencyHigh instant cooling coefficientDye addition to spinning solutionMonocomponent polyamides artificial filamentPolymer scienceNylon fiber
The invention discloses a cool regenerated colored polyamide fiber and a preparation method thereof, and belongs to the technical field of chemical fiber preparation. The preparation method comprises the following steps: firstly, melting and spinning cool master batch, regenerated chinlon chips and other raw materials to prepare cool regenerated chinlon POY (Polyester Pre-Oriented Yarn) fibers; meanwhile, melt spinning is conducted on the color master batch, the regenerated chinlon slices and other raw materials, and stock solution coloring regenerated chinlon POY fibers are prepared; and finally, stranding the two functional POY fibers through a false twist texturing process to prepare the cool regenerated colored chinlon DTY fiber. By means of the step-by-step spinning and plying elasticizing integrated technology, the cool feeling, coloring and regeneration environment-friendly characteristics are combined in the fiber manufacturing stage, and the final product has the comprehensive advantages of being excellent in cool feeling durability, high in color fastness, simplified in production technology and environmentally friendly.
Owner:FUJIAN EVERSUN JINJIANG CO LTD

Adaptive multi-modal data fusion bridge health monitoring method and system

The application discloses a self-adaptive multi-modal data fusion bridge health monitoring method and system, generates a response sample database through establishment of a bridge nonlinear dynamics equation, pre-processes bridge sensor data and trains a deep learning model to extract damage features, and self-adaptively optimizes model parameters; based on model output, real-time and historical data are combined to perform bridge health evaluation, and a monitoring strategy is dynamically adjusted or early warning is triggered; an edge computing device is deployed to perform pre-processing and damage identification, and long-term trend analysis is realized in cooperation with a cloud platform; macro-structure damage and micro-crack data are fused through cross-scale feature extraction; an artificial intelligence algorithm is used to generate a bridge health evaluation result, a bridge maintenance and repair scheme and a decision-level early warning signal. The application combines nonlinear dynamics modeling, self-adaptive deep learning, edge cloud collaborative computing and cross-scale analysis, improves complex damage identification precision and monitoring intelligent level, and is suitable for large-scale traffic network bridge monitoring management.
Owner:GUANGXI NEW DEV TRANSPORT GRP CO LTD

Mineral activator and application thereof in improving fertilizer efficiency of bio-organic fertilizer

The invention belongs to the field of agricultural fertilizers, and provides a micro-mineral activator and an application thereof in improving the fertilizer efficiency of a bio-organic fertilizer. According to the invention, epoxy silane coupling modified potassium feldspar powder is adopted as a core to construct a two-phase collaborative design of humic acid coated core-shell composite powder IM-X and metal ion crosslinked microgel powder IM-Y; the balance between the compressive strength of the particles and the rapid disintegration and dispersion performance when encountering water is realized, the consideration of a high-solid-content low-water-adding-amount granulation process window and the rheological stability of a humic acid cross-linked network is considered, and the unification of moisture absorption and caking resistance during storage and transportation and water absorption and retention ion response regulation and control functions after application is realized; the mineral-organic composite additive solves the performance coupling contradiction of natural conflicts in physical and chemical mechanisms of the existing mineral-organic composite additive, has the advantages of good processing controllability, excellent storage and transportation stability and remarkable fertilizer efficiency improvement effect, and has wide application value in the field of bio-organic fertilizer synergism.
Owner:SHANDONG AIFUDI BIOLOGICAL TECH

Function block calling methods, devices, equipment and media of industrial control configuration software

ActiveCN116009994BSolve storage problemssolve functionLocal variableSoftware engineering
This application discloses a method, apparatus, device, and storage medium for calling function blocks in industrial control configuration software, relating to the field of industrial control. The method includes: storing the addresses of local variables of a target function block in the industrial control configuration software using a target structure based on preset storage rules, thereby completing the storage of the target function block; obtaining the structure variable corresponding to the target function block and writing values ​​to the structure variable based on configuration logic; converting the target function block into C language to obtain a corresponding .c file, and calling C functions in the .c file so that the .c file generates a controller executable file through a compilation module, and using the controller executable file to implement the industrial controller's call to the target function block, thereby completing the corresponding industrial control process. Therefore, this application solves the problems of function block storage and function block calling during the conversion of IEC logic into C language.
Owner:HANGZHOU HOLLYSYS AUTOMATION

Multifunctional integrated lifting table with tempered glass table top and processing technology

The invention relates to ergonomic office equipment, in particular to a multifunctional integrated lifting table with a tempered glass table top and a processing technology. According to the technical scheme, the multifunctional integrated lifting table with the tempered glass table top comprises lifting supporting legs, a bearing frame and the tempered glass table top. The bearing frame is composed of a cross beam assembly and a supporting enclosure frame, and the supporting enclosure frame is an annular closed frame formed by bending and welding fine drawing pipes. The cross beam assembly is connected with the supporting enclosure frame, the top faces are flush, and the local flatness error is within the tolerance range. The tempered glass table top is attached and fixed to the upper portion of the bearing frame, and the edge does not exceed the supporting enclosure frame. A microscopic particle morphology layer is arranged on the upper surface, and diffuse reflection coupling is formed between the surface roughness and geometrical characteristics and the sensing wave band of the optical pointing device. A heating module and a decorative lamp strip are further included. The heating module is arranged below the table top and is supported by the bearing frame; the decorative lamp strip is arranged around the edge of the desktop. The scheme has the advantages of high-precision flatness matching, adaptation to optical pointing equipment, integration of heating and illumination and the like.
Owner:SHAOXING QISHANG COMMERCIAL FACILITY SYST CO LTD

Large die spotting machine with rotary workbench

ActiveCN224145201Ulower purchase costsolve efficiency problemsMonochromatic colorMachine
The large die spotting machine with the rotary workbench comprises a base, a left machine frame, a right machine frame, a sliding table, an upper platform, a lower platform, a movable table, the rotary workbench and the like, the left machine frame and the right machine frame are arranged at the two ends of the base respectively, and the upper end of the left machine frame and the upper end of the right machine frame are connected with a top cover. One end of the upper platform is hinged to one end of the sliding table through a hinge, the lower platform is arranged on the base, the moving table is arranged on the lower platform, a rotating shaft is arranged on the center bottom face of the rotating workbench, and the rotating workbench is rotationally installed on the moving table through the rotating shaft. According to the utility model, the positioning precision is less than 0.05, the maximum rotation capacity of the equipment reaches 40 tons, the maximum static pressure bearing capacity reaches 600 tons, the die assembly of single-color, double-color and three-color dies can be met, the multi-purpose of one machine is realized, and the production efficiency is improved. The problems that an existing mold closing machine cannot achieve mold closing of a single-color mold, a double-color mold and a three-color mold on one device and a traditional mold closing machine can only conduct mold closing on one mold at a time are solved.
Owner:DONGGUAN NICE MASCH BUILDING CO LTD

Capacitor appearance and size intelligent detection system

PendingCN122282780AReduce missed detectionSolve the problem of manual inspection efficiencyHardware structureImaging processing
This invention discloses an intelligent inspection system for the appearance and dimensions of capacitors, belonging to the field of capacitor appearance quality inspection technology. It aims to solve the problems of low efficiency, inconsistent standards, limited functionality, and cumbersome workstation switching in existing manual inspection methods. The system includes an image acquisition module, an image processing and inspection module, a workstation control module, and an information storage and output module. The supporting hardware structure includes a chassis, a rotary motor, a pentagonal turntable, an extension block, a lifting cylinder, and a mechanical gripper. Through multi-station image acquisition and comprehensive image processing, it achieves full-dimensional inspection. The workstation control module, in conjunction with the hardware, completes automatic transfer and positioning, and the inspection data is uniformly stored and output. This invention achieves automated full-dimensional inspection, improves inspection efficiency and accuracy, ensures consistency in judgment, is suitable for mass production, and facilitates quality traceability and control.
Owner:INNER MONGOLIA HICON ELECTRONIC MATERIAL CO LTD

Respirator water collecting cup device capable of being adjusted in multiple directions and respirator

ActiveCN224207199UQuickly adapt to posture changesaddress riskRespiratorsType ventilatorRespiratory conduit
The utility model discloses a breathing machine water collecting cup device capable of being adjusted in multiple directions and a breathing machine, and belongs to the technical field of breathing machines. The device comprises a three-way pipe, a multidirectional adjusting mechanism and a water collecting cup. The multidirectional adjusting mechanism is arranged at a third connector of the three-way pipe and comprises a fixed seat and a rotating part; an arc-shaped guide groove is formed in the fixed seat, a spherical joint at the upper part of the rotating part is adaptively embedded in the guide groove to form a spherical hinge structure, and a connecting pipe at the lower part of the rotating part is connected with the water collecting cup. The posture of the water collecting cup can be flexibly adjusted in a multi-angle range relative to the three-way pipe through rotation of the spherical joint in the guide groove. The device is characterized in that when the breathing pipeline inclines due to the body position of a patient or the movement of equipment, the water collecting cup can be passively or actively adjusted to and maintained in a vertically downward state, it is ensured that the water collecting cup is located at the lowest point of the pipeline all the time, condensate water is effectively collected, and backflow of the condensate water is fundamentally prevented. The device is compact in structure, convenient and fast to adjust and beneficial to improvement of safety and convenience of clinical use.
Owner:PINGYANG COUNTY PEOPLES HOSPITAL

An antistatic, antibacterial, and formaldehyde-removing ceramic tile and its preparation method

ActiveCN118580103BImprove anti-static performanceImprove anti-static effectNano zinc oxideAntistatic Materials
This invention discloses an antistatic, antibacterial, and formaldehyde-removing ceramic tile and its preparation method, belonging to the field of special ceramic tile technology. The antistatic, antibacterial, and formaldehyde-removing ceramic tile of this invention comprises, from bottom to top, a tile body, a surface glaze layer, and a protective glaze layer. The surface glaze layer is made from a surface glaze base material and nano-sized oxide materials, including any one or more combinations of nano-zinc oxide, nano-titanium dioxide, nano-alumina, and nano-magnesium oxide. The protective glaze layer is made from a protective glaze base material and an antistatic material. This invention, by adding nano-sized oxide materials to the surface glaze layer, allows the nano-sized oxide materials and the antistatic materials in the protective glaze layer to interact, giving the tile excellent antistatic effects and also enabling it to possess antibacterial and formaldehyde-removing functions. This broadens the functionality of the tile, allowing it to be used in diverse environments and solving the problems of poor antistatic effects and limited functionality in current antistatic ceramic tiles.
Owner:GUANGDONG DONGPENG HLDG +1

Vehicle-mounted beacon control method and system

The invention provides a vehicle-mounted beacon control method and system, and the method comprises the steps: receiving a first recognition result of a voice processing unit for a beacon wake-up instruction, and updating the current state of the vehicle-mounted beacon control system according to the first recognition result, the current state comprising a working state; when the vehicle-mounted beacon control system is in the working state, a second recognition result of the voice processing unit for the beacon control instruction is received, and the second recognition result comprises the instruction type of the beacon control instruction; and according to the instruction type and the current position of the liftable beacon, a target control sequence is determined, and an execution unit is controlled to execute the target control sequence so as to control the liftable beacon. By adopting the vehicle-mounted vertical mark control method and system, the corresponding target control sequence can be determined and executed according to the instruction type and the current position of the liftable vertical mark, so that multiple control modes for the liftable vertical mark are realized, and the functional diversity and interactivity of the vehicle-mounted vertical mark are improved.
Owner:CHINA FAW CO LTD

Multifunctional anti-skid clothes storage rack for changing room

ActiveCN224206572USolve the problem of slip resistancesolve functionApparel holdersStructural engineeringMechanical engineering
The utility model relates to the technical field of changing room storage equipment, in particular to a changing room multifunctional anti-skid clothes storage rack which comprises a supporting structure, an adjusting assembly and an anti-skid hanging unit. The supporting structure is composed of a vertical support and a transverse connecting piece, and a base is arranged at the bottom to enhance stability. The adjusting assembly is used for adjusting the height and angle of the hanging rod; the anti-slip hanging units prevent the clothes from slipping off through elastic anti-slip strips and micro-convex texture structures. Hooks or partition plates can be inserted into the expansion platforms to separate clothes or hang accessories; and the wall-mounted mounting plate can be used on the ground or on the wall. The multifunctional clothes hanger can flexibly adapt to different clothes storage requirements, the anti-skid performance and the space utilization rate are improved, and the multifunctional clothes hanger has high practicability and popularization value.
Owner:SHANDONG YITE CONSTR ENG CO LTD

An ultrasonic catheter and ultrasonic device

PendingCN122208180ASolve the difficulty of balancing deflectionsolve functionUltrasound therapyUltrasonic/sonic/infrasonic diagnostics
The application discloses an ultrasonic catheter and an ultrasonic device, and relates to the technical field of medical devices. The ultrasonic catheter comprises a pipe body and an ultrasonic probe. The ultrasonic probe is connected to the distal end of the pipe body. The pipe body comprises a first pipe and a second pipe. The distal end of the first pipe comprises a deflection section. The deflection section can be controlled to bend so as to change the spatial orientation of the working surface of the ultrasonic probe. The second pipe is coaxially arranged with the first pipe. The second pipe can be driven to rotate circumferentially so as to drive the working surface of the ultrasonic probe to rotate relative to the first pipe. The ultrasonic probe is bent along with the first pipe and rotates along with the second pipe, thereby emitting ultrasonic waves in multiple directions of spatial orientation. The ultrasonic catheter is controlled to bend through the deflection section and to rotate through the second pipe, thereby effectively solving the problem that the ultrasonic catheter in the prior art cannot simultaneously realize deflection and rotation functions.
Owner:ACOUSTIC LIFE SCI CO LTD

Photovoltaic module construction method suitable for complex building structure

PendingCN121863983AStructural solutionsolve functionGeometric CADPhotovoltaic supportsEngineering physicsMechanical engineering
The invention discloses a photovoltaic module construction method suitable for a complex building structure, belongs to the technical field of photovoltaic building integration, and aims to solve the problems of assembly clearance, stress concentration, electrical mismatch and the like caused by the fact that an existing rigid connection system is difficult to adapt to curved surface, special-shaped and multi-directional bevel structures. According to the method, on the basis of a flexible self-adaptive supporting unit, a dynamic pose correction mechanism and a BIM-driven field assembly control three-in-one framework, high-precision fitting of components is achieved through a three-dimensional adjustable hinge mechanism, an elastic buffer layer and a non-uniform layout strategy; performing submillimeter attitude correction by combining laser tracking and a six-degree-of-freedom fine tuning platform, and dynamically matching electrical parameter similar components according to a BIM model to reduce string mismatch; meanwhile, a strain sensing network and a sealed water guide structure are integrated, and the long-term reliability of the system is improved. According to the invention, the installation adaptability, the structural stability and the power generation efficiency of the photovoltaic module on the complex building surface are obviously enhanced.
Owner:CHENGDU IND EQUIP INSTALLATION

Bluetooth sound box with outdoor lighting function

The utility model relates to the technical field of outdoor sound boxes, in particular to a Bluetooth sound box with an outdoor lighting function, which comprises a base component and a lamp post component, a sound production component and an electronic component are arranged in the base component, the electronic component is provided with a sound control circuit and a light control circuit, and the sound production component is provided with a loudspeaker; a light-emitting lamp set and an energy storage battery are arranged in the lamp pole component, a lower end opening of the lamp pole component is communicated with the inner space of the base component, and a passive radiator is arranged at an upper end opening of the lamp pole component to form sealing, so that the inner space of the lamp pole and the inner space of the base jointly form a sealed rear sound cavity of the loudspeaker. In conclusion, the outdoor lamp and the loudspeaker box are innovatively combined, components are reasonably arranged to achieve function integration and space optimization, the internal space is communicated, the passive radiator is additionally arranged to optimize the tone quality, the annular groove, the axial support and the like are utilized to ensure stable and sealed structure, the contradiction between the size and the function of outdoor equipment is effectively solved, and the use experience of a user is optimized.
Owner:DONGGUAN JINWENHUA DIGITAL TECHNOLOGY CO LTD

A 94ghz radar baseband signal solving method and system

The present application belongs to the technical field of radar signal processing, and provides a 94Ghz radar baseband signal solving method and system, which comprises clock signal synchronization, signal receiving and preprocessing, analog-to-digital conversion, multi-stage parallel signal processing, parameter dynamic adjustment, multi-target solving and resource dynamic allocation. The present application introduces a FPGA multi-stage parallel processing architecture, improves the multi-target detection and tracking capability of the system in complex scenes, realizes dynamic optimization of signal processing parameters according to real-time environment through a deep reinforcement learning algorithm, ensures the accurate detection capability of the system in different scenes, enhances the real-time tracking and solving capability of the system for multi-target through a graph neural network multi-target cooperative processing algorithm, and realizes dynamic resource allocation through an energy perception algorithm, thereby greatly reducing the power consumption of the system while ensuring high-speed processing.
Owner:TONGJI UNIV

A Key Parameter Design Method for a Satellite Communication Receiving System Based on a Phased Array Antenna

ActiveCN116683972Bsolve design problemssolve function
This invention provides a key parameter design method for a satellite communication receiving system based on a phased array antenna. The method includes: dividing the phased array antenna-based satellite communication receiving system into functional units to determine key design parameters; determining the target carrier-to-noise ratio of the receiving system; and, based on actual application conditions or traditional design methods, pre-setting some key parameters as a design basis to determine other key parameters. By dividing the phased array antenna-based satellite communication receiving system into functional units, identifying the core design of the receiving link and the key design parameters of each functional unit, and rationally allocating the key parameter indicators of each functional unit, this method bridges the key gap between system link budget and engineering design implementation, resolving the tight coupling problem between the two. It improves the overall cost-effectiveness of engineering design implementation in terms of performance, cost, power consumption, and size, and serves as a guide for the design and implementation of a phased array antenna-based satellite communication receiving system.
Owner:BEIJING RES INST OF TELEMETRY +1

A tunnel security evaluation auxiliary device and evaluation method

The application discloses a tunnel safety evaluation auxiliary device and an evaluation method, and relates to the technical field of tunnel evaluation. The tunnel safety evaluation auxiliary device comprises a simulation bin body, a movable plate assembly, an operation simulation assembly, a seat assembly and a coating film assembly. The movable plate assembly is positioned on the bottom plate of the simulation bin body and comprises a bearing plate and a plurality of supporting telescopic columns located at the bottom of the bearing plate. The form of the seat assembly can be switched between a motorcycle seat and an automobile seat. The coating film assembly comprises a limiting support frame, a coating film and a pump assembly. The limiting support frame is an annular frame fixed on the bearing plate. The edge of the coating film is fixed on the limiting support frame. The coating film is an elastic film made of rubber material and covers the seat assembly. The pump assembly controls the expansion and contraction of the coating film under the control of a control unit. The tunnel safety evaluation auxiliary device can simulate the driving state of various vehicles in the tunnel to be evaluated, and the technical effect is clean and convenient.
Owner:ANHUI ZHONGYI NEW MATERIAL TECH CO LTD +1

A terahertz liquid crystal spatial light modulator with large modulation depth and ultra-wideband

ActiveCN121541397BImprove compatibilitysolve functionNon-linear opticsUltra-widebandMetallic grating
The application discloses a terahertz liquid crystal spatial light modulator with large modulation depth and ultra-wideband, and belongs to the field of novel artificial electromagnetic materials and terahertz science, comprising: upper layer quartz substrates, upper layer metal gratings, upper layer pre-alignment films, a liquid crystal layer, lower layer pre-alignment films, lower layer metal gratings and lower layer quartz substrates arranged in sequence; the upper layer metal gratings and the lower layer metal gratings are orthogonally arranged in space to form a Fabry-Perot cavity; the liquid crystal layer is filled between the upper layer pre-alignment film and the lower layer pre-alignment film, and the liquid crystal director has in-plane pre-alignment; the upper layer metal grating and the lower layer metal grating are used as a first electrode and a second electrode respectively to receive external voltage and control the dynamic switching of the liquid crystal director between in-plane state and out-of-plane state; the application can realize spatial modulation of the intensity of incident terahertz waves, and effectively solves the problems of conflict between the photoelectric functions of the metal structure and pixel crosstalk.
Owner:NANKAI UNIV

Automatic feeding transmission structure of splitting machine

The utility model provides an automatic feeding transmission structure of a splitting machine, which comprises two mounting frames which are symmetrically arranged, the outer sides of the two mounting frames are respectively and rotatably connected with one end of a feeding rod, and the other ends of the two feeding rods are respectively provided with an electric push rod through a motor fixing seat. Mounting holes penetrate through the other ends of the two feeding rods respectively, one ends of telescopic rods are arranged at the telescopic ends of the electric push rods, and the other ends of the two telescopic rods penetrate through the mounting holes respectively and are rotationally connected with locking columns used for locking materials so as to drive the locking columns to move between the interiors of the mounting holes and the inner sides of the feeding rods; according to the automatic feeding transmission structure of the splitting machine, the two feeding modes of shaft core type feeding and chuck type feeding are achieved respectively, the application range of the automatic feeding transmission structure is widened, the functionality of the automatic feeding transmission structure of the splitting machine is improved, and the automatic feeding transmission structure of the splitting machine is high in practicability. The problems that an existing splitting machine feeding transmission structure is small in application range and single in function are solved.
Owner:HUIZHOU BELLSAFE UP TECHNOOGY CO LTD

A high wear resistance pull rivet nut

The utility model discloses a kind of high wear resistance pull rivet nuts, it includes nut main body, embedded reinforcing ring, elastic support piece and surface hardening layer.Nut main body is cylindrical structure, outer wall is equipped with recess, top embedded hard alloy reinforcing ring, bottom is equipped with elastic support piece, outer surface covers titanium nitride coating.This application can significantly improve the anti-wear ability of nut in repeated disassembly, stress is dispersed by recess, reinforcing ring improves hardness, elastic support piece absorbs impact energy, and surface hardening layer is used to reduce friction coefficient, to extend service life and enhance connection stability, suitable for high-frequency maintenance and harsh working condition scene.
Owner:KAILI (CHUZHOU) INTELLIGENT MANUFACTURING CO LTD

An oil well control cabinet and an oil well control method

PendingCN122589365APrecise intelligent controlEasy to visually identify
The application discloses an oil well control cabinet and an oil well control method. The oil well control cabinet comprises: a control mode switching component for controlling a pumping unit control mode, a start mode switching module for switching the pumping unit start mode, a working mode switching component for controlling a pumping unit working mode, and a start mode indication component for indicating the pumping unit start mode in response to a control event of the pumping unit start mode in each control mode; and a working mode indication component for indicating the pumping unit working mode in response to a control event of the pumping unit working mode in each control mode. The control panel on the oil well controller can comprehensively cover the complex control requirements of the oil well, accurately track the operation dynamics of the oil well, realize the overall accurate intelligent management and control of the oil well and the control cabinet, and solve the problem of redundant or incomplete control functions.
Owner:PETROCHINA CO LTD

High-temperature-resistant slide rail with elastic sheet lock

This utility model discloses a high-temperature resistant slide rail with spring-loaded locking mechanism, including a first track, a second track, and a sliding mechanism and a locking mechanism disposed between the first track and the second track. The locking mechanism includes a first spring, a second spring, and a locking protrusion. First, the first spring has a limiting convex surface for abutting the locking protrusion. The limiting convex surface achieves the automatic locking effect of the second track after stretching by abutting and limiting the locking protrusion, making the second track less prone to shrinkage and movement. At the same time, the double spring structure allows the locking mechanism to be adjusted during the stretching process, thereby adjusting the locking force required for the slide rail to close or open by adjusting the locking mechanism. With the slide rail, which can be made of all-metal components, this effectively solves the market demand for slide rails with limited automatic sliding function and high temperature resistance, and improves the safety performance of high-temperature resistant slide rails.
Owner:ZHONGSHAN HENGFENG PRECISION MASCH CO LTD