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92results about How to "Quick scan" patented technology

Smart hotel guest room control system and method and storage medium

The invention relates to the technical field of hotel management, in particular to a smart hotel guest room control system and method and a storage medium, and the method comprises the steps: obtaining the booking information of a guest room through a continuous check-in judgment module, and judging whether the guest room is continuously checked in; the travel and demand acquisition module acquires travel information and self-defined cleaning demand data of the guests after confirming continuous check-in, and determines a cleaning time period. And the cleaning time management module detects the state of the guest according to the cleaning time period and the cleaning interval time and judges whether the guest is cleaned or not. And the reminding and feedback module is used for sending information and receiving feedback when the guests do not go out. And when the guest goes out or is allowed to clean, the cleaning and quality inspection module collects a cleaned guest room image through the hotel robot, inputs the guest room image into the trained guest room image semantic extraction model, generates first semantic information, analyzes the guest room image semantic extraction model, compares the analyzed guest room image semantic extraction model with a guest room arrangement rule, and notifies a cleaner if the guest room image semantic extraction model does not pass the guest room arrangement rule. According to the invention, the satisfaction degree of the guests is improved through the control of the hotel guest room cleaning mode.
Owner:张洛僖

Lightweight crack penetration degree detection method based on ground penetrating radar and Swin Transform optimization

The invention discloses a lightweight crack penetration degree detection method based on ground penetrating radar and Swin Transform optimization, and the method comprises the following steps: 1, collecting ground penetrating radar data, and carrying out the preprocessing and feature extraction; step 2, constructing a multi-feature fusion data set; step 3, designing a two-stage through crack detection model based on Swin Transform optimization; 4, a first-stage through crack detection model optimized on the basis of Swin Transformer-YOLOv8 is designed, and a second-stage through crack detection model is designed on the basis of Swin Transformer-YOLOv8 optimization; and step 5, training and predicting the data of the training set and the test set according to the model architecture in the step 3 and the step 4. According to the invention, the accuracy of crack penetration degree detection is improved, and a scientific basis is provided for road maintenance; the detection speed is greatly improved, and the requirement of large-area rapid detection is met; the calculation complexity is reduced, the equipment performance pressure is reduced, and the detection efficiency is improved; the generalization ability of the model is enhanced, and the method can adapt to different road conditions; and the development of an intelligent road detection technology is promoted.
Owner:CHANGAN UNIV

Low-delay low-coupling multipath analog video signal processing system and method

The invention relates to a low-delay low-coupling multi-channel analog video signal processing system and method, electronic equipment and a storage medium, aiming at the limitation of the existing multi-channel video processing technology, hardware such as an analog signal receiving board, a controller, a video processing development board, a computing power development board and a serial port receiver and software technologies such as Python and Gstreamer are adopted. The method comprises the steps of signal receiving, frequency point screening, video processing and transmission, intelligent identification, layout customization and the like. The system achieves the positive effects of centralized computing power processing, accelerated calculation, rapid frequency point scanning, low-delay picture display, user-defined layout, convenient access to an intelligent identification module and the like, and is suitable for various actual scenes under analog video signals.
Owner:ZHEJIANG HONGPENG INTELLIGENT TECH CO LTD

Implementation method and device for rapidly scanning CRDS sensing

The invention discloses an implementation method and device for fast scanning CRDS sensing, and relates to the technical field of ring-down cavities, and the method comprises the following steps: employing a PID algorithm to control and adjust the temperature and pressure in a ring-down cavity to stabilize the resonance mode of the ring-down cavity, and carrying out the collection operation of a cavity mode signal after the adjustment of the temperature and pressure is completed; obtaining a wavelength value of the laser light source after entering the etalon based on the transmittance value, feeding back the wavelength value to a wavelength controller, and adjusting the laser to a spectrum detection wavelength by using the wavelength controller; scanning operation is executed based on the detection wavelength to determine the resonant wavelength, secondary scanning is performed with the resonant wavelength as the center to obtain a ring-down curve, and gas characteristic absorption line measurement is completed through point-by-point scanning. According to the invention, the etalon, the precise wavelength locking and adjusting system and the unique cavity mode scanning mode are utilized to realize high-repetition-frequency rapid scanning of the ring-down signal, so that the triggering speed of the ring-down event is improved.
Owner:NANJING XINHUAN OPTOELECTRONIC TECH CO LTD

Airborne radar interference equipment of phased array system

InactiveCN119199759AQuick scanImprove interference effectWave based measurement systemsLow noiseTransceiver
The invention discloses airborne radar interference equipment of a phased array system in the technical field of radar countermeasure. The airborne radar interference equipment comprises an antenna array; a plurality of transmit-receive assemblies comprising a plurality of transmit-receive channels, wherein each transmit-receive channel comprises a numerical control attenuator and a numerical control phase shifter; the beam control unit controls the numerical control phase shifter and the numerical control attenuator; the power divider / combiner is used for combining or dividing the signals; the circulator is used for realizing one-way transmission of signals; the low-noise amplifier is used for performing low-noise amplification on the signal; the microwave frequency conversion unit is used for performing down-conversion and up-conversion processing on the signal; the digital processing unit is used for processing the intermediate frequency signal to form an interference signal; and the main control unit communicates with the digital processing unit to control an interference pattern, and communicates with the beam control unit to control beam pointing, frequency, attenuation and an enable signal of a transmit-receive assembly. The airborne radar interference equipment can realize interference signals with high power and beam scanning, and has the advantages of high equivalent radiation power and rapid interference scanning.
Owner:YANGZHOU YUAN ELECTRONICS TECH CO LTD

Three-dimensional digital auxiliary system based on ceramic painting creation

The invention discloses a three-dimensional digital auxiliary system based on ceramic painting creation. The three-dimensional digital auxiliary system comprises a three-dimensional scanning system used for converting a ceramic painting into a three-dimensional digital model; the digital image processing system is used for adjusting digital images of the ceramic painting works and repairing and enhancing the images; the three-dimensional modeling system is used for constructing a three-dimensional model of the ceramic painting works; the virtual reality system is used for displaying the three-dimensional model of the ceramic painting works; the artificial intelligence system is used for carrying out deep learning and analysis on the ceramic painting works and providing various auxiliary functions; according to the invention, a creator can quickly scan, process, model and virtually display the works through a digital technology, so that the creation period is shortened, the creation efficiency is improved, the system can intelligently evaluate and suggest the ceramic painting works, the creator is helped to discover and improve the defects, and the quality of the works is improved.
Owner:JIANGXI VOCATIONAL & TECH COLLEGE OF CERAMIC ARTS & CRAFTS

Warp marking device

The invention discloses a warpage marking device, and relates to the technical field of glass substrate warpage detection, the warpage marking device comprises a detection equipment main body, the middle position of the detection equipment main body is fixedly connected with a detection table, a driving pneumatic cylinder is installed above the detection table, and the output shaft end of the driving pneumatic cylinder is provided with a detector; the detector is located at the eccentric position above the substrate main body, so that detection is not limited to the central area of the plate, the surface of the substrate main body can be completely covered, more accurate surface data feedback analysis is achieved, the surface integrity of the substrate main body can be evaluated more accurately, and meanwhile the detection accuracy is improved through dynamic adjustment of the detection area in the process. Different detection positions of the detector are increased while the irradiation range of the detector is reduced, so that each part of the substrate can be subjected to uniform and sufficient detection feedback, the problem that in a traditional method, light is excessively focused on a central area and detection of an edge area is insufficient is solved, and uniform distribution and comprehensive coverage of detection light are ensured.
Owner:湖南邵虹特种玻璃股份有限公司

Method and device for detecting placement state of wafer in wafer box

The invention provides a method and a device for detecting the placement state of a wafer in a wafer box, which are applied to the detection of the wafer box, and the detection method comprises the following steps: obtaining a thickness standard value and an angle standard value of the wafer; scanning the wafer box by using a laser and a camera to obtain a three-dimensional shape of the wafer box; calculating the thickness and angle of each wafer in the wafer box by using a thickness calculation algorithm and an angle calculation algorithm according to the three-dimensional morphology; wherein the thickness calculation algorithm processes three-dimensional shape data through a point cloud downsampling method and a point cloud clustering method; and comparing the thickness and the angle of each wafer in the wafer box with the thickness standard value and the angle standard value to determine whether the wafers in the wafer box have overlapped wafers, inclined wafers and missing wafers. According to the invention, the technical problems that the scanning time is long and the production efficiency is influenced because the position of the wafer needs to be determined by scanning the interior of the wafer box point by point through a distance measuring sensor in the traditional Mapping operation are solved.
Owner:NINGBO RUNHUA QUANXIN MICROELECTRONICS EQUIP CO LTD

Matrix type plane temperature field monitoring system and method based on temperature-sensitive diodes

The invention discloses a matrix type temperature detection system and method based on temperature-sensitive diodes, the problems of complex wiring and large temperature drift of a traditional multi-node temperature measurement system are solved through M * N matrix layout, row and column time-sharing gating and constant current driving technologies, the system adopts an independent column constant current source to ensure the measurement consistency, and a high-precision ADC and a dynamic calibration algorithm are combined, so that the measurement accuracy is improved. And the precision of + / -0.2 DEG C is realized within the range of 50-150 DEG C. The method is particularly suitable for high-density temperature measurement scenes such as battery thermal management, electronic equipment overheating monitoring and the like.
Owner:SHANXI ZHITEXI NEW ENERGY TECHNOLOGY CO LTD

Engineering safety design document visualization review model training method

The invention belongs to the technical field of artificial intelligence and data mining, and particularly discloses an engineering safety design document visual review model training method, which comprises the following steps of: marking entities and relationships in various engineering safety design documents, and constructing a scheme global template consisting of triples of a first entity, a relationship and a second entity; training a self-encoding language model by utilizing the scheme global template to obtain a span semantic vector; and training the recurrent neural network model by using the span semantic vector and the scheme global template to complete the training of the engineering safety design document visualization review model. According to the method, not only can the surface content of the document be examined, but also potential safety risks and problems in the document can be found, and the examination comprehensiveness, accuracy and efficiency are greatly improved.
Owner:NORTHWEST ENGINEERING CORPORATION LIMITED

A method and device for detecting the placement status of wafers in a wafer box

The present invention provides a detection method and device for the placement state of wafers in a wafer box, which is applied to the detection of wafer boxes. The detection method includes: obtaining the standard value of the thickness and the standard value of the angle of the wafer; using a laser and a camera to scan the wafer box to obtain the three-dimensional morphology of the wafer box; according to the three-dimensional morphology, using a thickness calculation algorithm and an angle calculation algorithm to calculate the thickness and angle of each wafer in the wafer box; wherein the thickness calculation algorithm processes the data of the three-dimensional morphology through a point cloud downsampling method and a point cloud clustering method; comparing the thickness and angle of each wafer in the wafer box with the standard value of the thickness and the standard value of the angle to determine whether there are duplicate wafers, oblique wafers, and missing wafers in the wafer box. The present invention solves the technical problem that the traditional Mapping operation needs to use a ranging sensor to scan the inside of the wafer box point by point to determine the wafer position, resulting in a long scanning time and affecting production efficiency.
Owner:NINGBO RUNHUA QUANXIN MICROELECTRONICS EQUIP CO LTD

Ferromagnet residual magnetism measurement method based on magnetic Barkhausen noise signal

The invention discloses a residual magnetism measurement method of a ferromagnetic material based on a magnetic Barkhausen noise signal, and belongs to the technical field of electromagnetic parameter measurement. A magnetic Barkhausen noise signal serves as an electromagnetic nondestructive testing signal with huge development potential and has unique advantages in the aspects of detection and evaluation of ferromagnetic metal materials, and the signal generation mechanism of the magnetic Barkhausen noise signal is similar to the generation mechanism of residual magnetism and is related to irreversible magnetic domain rotation and irreversible magnetic domain wall movement; therefore, through two theoretical model formulas of a magnetic Barkhausen noise signal stress detection model based on a J-A magnetization theory and a magnetomechanical model of residual magnetism and stress, a physical model relational expression of a magnetic Barkhausen noise voltage signal peak value and residual magnetization intensity is established by taking stress existing in a ferromagnetic material as an intermediate medium; on the premise that the geomagnetic field can be ignored, the residual magnetism in the ferromagnetic material can be calculated through the measured magnetic Barkhausen noise voltage peak signal according to the constitutive relation, and the method is easy and convenient to operate, reliable in result and wide in applicability.
Owner:CHINA THREE GORGES UNIV

Laser wire powder cooperation and electric arc composite additive manufacturing device and method

The invention provides a laser wire powder cooperation and electric arc composite additive manufacturing device and method.The laser wire powder cooperation and electric arc composite additive manufacturing device comprises a plurality of printing areas, connecting areas and a printing module, the multiple printing areas are continuously arranged, each connecting area is arranged between every two adjacent printing areas, and each connecting area is provided with a plurality of first connecting areas and second connecting areas; the corresponding first connecting areas and second connecting areas are arranged in an overlapping manner; the printing modules and the printing area are oppositely arranged, the printing modules move along a preset printing path and print and form the metal component, the preset printing path passes through the printing area and the first connecting area or the printing area and the second connecting area, one-time forming of the metal structural component is achieved, additive connection and performance weak areas are avoided, and the product quality is improved. The connecting strength of the metal component is enhanced, and the forming efficiency is improved.
Owner:HUAZHONG UNIV OF SCI & TECH

Cursor-free central variable two-dimensional code printing white packaging bag and manufacturing method

The invention relates to the technical field of anti-fake products, in particular to a cursor-free central variable two-dimensional code printing white packaging bag and a manufacturing method, the cursor-free central variable two-dimensional code printing white packaging bag comprises a packaging bag body, the packaging bag body is provided with a front face, a back face, a first side face and a second side face, and the first side face and the second side face are connected with the front face and the back face; the front face, the back face, the first side face and the second side face each comprise an outer layer film, a middle layer film and an inner layer film which are sequentially arranged, the outer layer films and the inner layer films are EVOH layer films or PVDC layer films, and the outer layer films, the middle layer films and the outer layer films are synchronously co-extruded; a second separation two-dimensional code is printed at the sealing position of the back face, a first separation two-dimensional code is printed on the front face, and the first separation two-dimensional code and the second separation two-dimensional code are used for being spliced into a complete two-dimensional code. The strength of the packaging bag is improved, and the anti-counterfeiting property is improved.
Owner:SICHUAN PROVINCE XINDU YONGZHI PRINTING CO LTD

A SICM scanning control method and related apparatus based on feedback quantization

ActiveCN119986053Bcontrol interaction forceavoid damageScanning probe microscopyScanning ion-conductance microscopyIon current
This invention relates to the field of microscopy application technology, and in particular to a SICM scanning control method and related device based on feedback quantization. The method acquires the test height, initial scanning speed, initial safe height of the test point, first speed adjustment start point, and second speed adjustment start point of the test point. It controls the scanning probe to descend from the initial safe height of the test point to the first speed adjustment start point at the initial scanning speed, intervenes with first dynamic speed adjustment, continues to descend to the second speed adjustment start point, intervenes with second dynamic speed adjustment, and continues descending until the probe detects a sudden change in ion current and stops descending. This control method solves the problems of low scanning time resolution and poor safety in existing scanning ion conductivity microscopes by setting an initial speed adjustment point that dynamically adjusts the speed according to the probe's descent position.
Owner:XI AN JIAOTONG UNIV

Commodity barcode service detection management method and system

The invention belongs to the technical field of bar code information management, particularly relates to a commodity bar code service detection management method and system, and aims to solve the problems that in the prior art, when bar codes on packaged commodities are scanned for information rechecking, continuous assembly line scanning cannot be carried out on the commodities, and when the bar codes on the commodities are scanned, the scanning efficiency is high. The system comprises a base, a displayer installation frame is fixedly installed on one side of the top of the base, and a control displayer is fixedly installed on the displayer installation frame. After the commodities are scanned through a bar code scanner, the commodities with accurate information input and the commodities with inaccurate information input can be conveyed in a classified mode; therefore, continuous detection of commodities can be realized, and the commodities can be limited when bar codes on the commodities are scanned, so that the bar code scanner can accurately and quickly scan the bar codes, and the working efficiency can be effectively improved.
Owner:ARTICLE NUMBERING CENT OF CHINA +1

Multi-rotor unmanned aerial vehicle oil and gas pipeline inspection method and system

The invention relates to a multi-rotor unmanned aerial vehicle oil and gas pipeline inspection method and system. The method comprises the steps that an automatic inspection route is delimited by a ground station through a geographic information system (GIS); the multi-rotor unmanned aerial vehicle carries a laser methane detector and a high-definition camera and autonomously flies according to an automatic inspection route; the multi-rotor unmanned aerial vehicle starts a laser methane detector and a high-definition camera to perform synchronous scanning and image acquisition on the ground; the multi-rotor unmanned aerial vehicle receives the methane concentration data output by the laser methane detector in real time, and analyzes and processes the standard exceeding of the concentration threshold value of methane; if it is detected that the methane concentration threshold value of the area exceeds the standard, the flight control receives a signal to control the multi-rotor unmanned aerial vehicle to conduct flight strategy adjustment. In addition, the multi-rotor unmanned aerial vehicle can also carry out simulated low-altitude automatic flight according to a preset line, topographic and geological scanning and methane gas leakage scanning can be completed at the same time through one-time flight, the flight sorties of the unmanned aerial vehicle are reduced, the inspection efficiency is improved, and the inspection cost is greatly saved.
Owner:QING PENG KE JI (ZHE JIANG) YOU XIAN GONG SI

A laser measuring device for measuring human body shape

The present invention relates to the technical field of medical devices, and in particular to a laser measuring device for measuring human body morphology, comprising a telescopic rod, an annular guide rail, a laser measuring assembly and a laser scanning device, wherein the telescopic rod can adjust its own height according to the height of a target to be measured, so as to satisfy the laser scanning device for scanning the target to be measured; a data analysis module obtains a two-dimensional image according to an initial morphological three-dimensional image, determines an actual two-dimensional image complexity value according to the area of ​​the two-dimensional image and the number of feature points, determines a secondary refinement scanning difficulty level according to the actual complexity value of the two-dimensional image, and determines an actual secondary refinement scanning speed according to the secondary refinement scanning difficulty level; and obtains a target secondary refinement scanning speed according to a comparison result of a coincidence value of the initial morphological three-dimensional image and a coincidence value of a standard morphological three-dimensional image. The present invention performs a refinement scanning on a target to be measured by adjusting the scanning speed of a scanning device, thereby improving scanning efficiency and increasing scanning clarity.
Owner:CHANGCHUN INST OF TECH

Optical phased array based fast link establishment laser communication method and system

This invention relates to the field of wireless laser communication technology, specifically disclosing a rapid link establishment laser communication method and system based on an optical phased array. A rapid link establishment laser communication system based on an optical phased array includes an active transmitting terminal and a cat's-eye reverse modulation laser communication terminal. The active transmitting terminal is used to transmit uplink optical signals and includes a control processing unit, a laser driver, a laser, a collimating beam expander, and a spatial light modulator arranged sequentially. The cat's-eye reverse modulation laser communication terminal is used to receive uplink optical signals and feed back downlink optical signals, and includes a cat's-eye optical system, a beam splitter, a spatial light modulator, a second photodetector, and a control processing unit. This solves the problem of difficult link establishment in existing wireless laser communication systems.
Owner:PLA PEOPLES LIBERATION ARMY OF CHINA STRATEGIC SUPPORT FORCE AEROSPACE ENG UNIV

Virus feature code parallel detection system and method based on extensible precision chaos hash

The invention discloses a virus feature code parallel detection system and method based on extensible precision chaos hash, and belongs to the field of computer file system safety and parallel calculation. The method comprises the following steps: establishing a virus feature code database by adopting an extensible precision chaos Hash process; the main service program realizes virus feature code database configuration; starting a verification process of the virus feature code database in the slave service program; the receiving module is used for receiving file virus infection judgment results; and the plurality of slave service programs execute computer virus detection in parallel, the slave service programs match and identify the feature codes in the to-be-detected file with the virus feature codes in the virus feature code database, and whether the file is infected with viruses is judged according to the matching and identifying result. According to the method, the computer file system can be protected, damage of computer viruses to the file system is resisted, a safer computer defense system is constructed, and then the purpose of protecting the file system is achieved.
Owner:HARBIN UNIV OF SCI & TECH

Hafnium zirconium oxide all-component ferroelectric characteristic and fatigue optimization method based on machine learning potential

PendingCN121999946AAccurate calculation of polarization responsefill technology gapsBiological modelsComputational theoretical chemistryData setOriginal data
The invention relates to a hafnium zirconium oxide all-component ferroelectric characteristic and fatigue optimization method based on machine learning potential. The construction method comprises the following steps: step 1, acquiring atomic configuration, energy, stress and electric dipole moment data of HfxZr1-xO2 under different components x (0 < = x < = 1) as an original data set; 2, training a multi-task machine learning potential model by using a deep learning algorithm, wherein the model comprises an energy-force prediction branch and an electric dipole moment prediction branch; 3, performing molecular dynamics evolution under different temperatures and external electric fields to obtain a change curve of the polarization intensity along with the cycle period; and step 4, screening an optimal material component according to the nonlinear corresponding relationship between the fatigue rate and the Hf content obtained by simulation. Compared with the prior art, the method has the advantages that the training data set covering all-component space is constructed, the machine learning potential model capable of synchronously describing energy, force and electric dipole moment is obtained through deep neural network training, and the regulation rule of the Hf doping proportion on the crystal phase stability is disclosed through large-scale molecular dynamics simulation; and the relationship between the domain wall movement rate and the fatigue rate is quantified, and theoretical guidance of atomic scale is provided for component design of the FeRAM device.
Owner:PEKING UNIV +1

Meat product traceability detection device with positioning cutting function

The utility model discloses a meat product traceability detection device with a positioning cutting function, and relates to the technical field of meat product detection, the meat product traceability detection device comprises a rack, the top of the rack is connected with a guide plate in a sliding mode, a placing plate can be driven to rotate through meshing of a first gear and a third gear, and the position of a meat product can be changed when the placing plate rotates; therefore, the contact area between the meat product surface label and the cutting wheel is reduced, damage to the label during meat product cutting is reduced, the integrity of the label is guaranteed, the label can be rapidly scanned by using the detection head, and the traceability detection result of the meat product is obtained through identification of the scanning information by the control terminal. Water flow supply in the spraying pipe can be achieved through the water pump, water in the water tank can be sprayed out through the spraying pipe, the spraying pipe is of an inclined U-shaped design, the contact area between the spraying pipe and the two sides of the cutting wheel is large, and therefore the two sides of the cutting wheel and the top of the containing plate can be washed, and residues of blood water and chippings on the surface of the cutting wheel are reduced.
Owner:BINZHOU LUMU JUYUAN MEAT CO LTD

Method, system, device, processor and computer readable storage medium thereof for implementing fast scanning tool magazine tool position

ActiveCN115542842BQuick scaneasy to operate
This invention relates to a method for rapidly scanning tool magazine positions, comprising the following steps: setting scanning parameters; moving to the scanning start point; executing the scanning motion, interrupting the program each cycle to check whether the set detection signals are triggered; if triggered, recording the triggered signals and the coordinates of each axis, and continuing the scanning motion; if not triggered, directly executing the scanning motion; processing the recorded scanning data; determining whether there is a tool at each tool position, saving and displaying the results; and returning the tool position to a fixed position. This invention also relates to a system, device, processor, and storage medium for rapidly scanning tool magazine positions. By employing the method, system, device, processor, and computer-readable storage medium of this invention for rapidly scanning tool magazine positions, the purpose of rapid tool scanning is achieved, that is, completing the detection of all tool positions in one go with motion without deceleration, improving machining and debugging efficiency, and helping to reduce costs. It is also convenient for personnel to operate.
Owner:SHANGHAI WEIHONG ELECTRONICS TECH +1

Log analysis method and system, computer equipment and readable storage medium

The invention provides a log analysis method and system, computer equipment and a readable storage medium, and the method comprises the steps: extracting a script character string from a selected script through a sub-thread, splicing a script method name and a script character string which are configured in advance or in real time, the data exchange format object of each piece of log data to be analyzed, the identification parameter of the first piece of log data and the identification parameter of the last piece of log data to generate a script method character string; the script method character string is converted into a script method to be executed, and an execution conclusion is called back to the main thread; and transmitting the execution conclusion to a front-end page for display through the main thread. According to the method, the sub-thread is arranged outside the main thread, the sub-thread and the main thread do not interfere with each other, each log executes the selected script once in the sub-thread, and after the code execution of the sub-thread is completed, the execution result is called back to the main thread to be processed and then transmitted to the front-end page to be rendered and displayed. And therefore, main thread blockage and page lagging cannot be caused.
Owner:SHENZHEN YISHIHUOLALA TECH CO LTD

Panoramic imaging system

The utility model discloses a panoramic imaging system, which comprises a mounting seat, a scanning main body, a scanning galvanometer and a rear imaging lens group, the scanning main body is rotationally mounted on the mounting seat, the scanning main body comprises a front telescopic system, the incident end of the front telescopic system is used for light to enter, and the emergent end of the front telescopic system is used for light to exit; the scanning galvanometer is arranged corresponding to the emergent end of the front telescopic system, is rotatably arranged and is used for receiving light rays emitted by the emergent end of the scanning main body and reflecting the light rays; the rear imaging lens group is fixedly mounted on the mounting seat, and the incident end of the rear imaging lens group is used for receiving the light reflected by the scanning galvanometer; and the focal plane detector is fixedly arranged relative to the mounting seat and is used for receiving light emitted by the emitting end of the rear imaging lens group. According to the scheme, the rear imaging lens group and the focal plane detector are fixedly arranged, so that the focal plane of the panoramic imaging system is fixed, the focal plane detector can receive clear images all the time, and rapid scanning can be further realized.
Owner:WUHAN LIANYI HELI TECHNOLOGY CO LTD

Process window screening method for nickel-based superalloy single crystal preparation

The invention relates to a process window screening method for nickel-based high-temperature alloy single crystal preparation. According to the method, based on a double-ellipsoid molten pool analysis heat source model and solidification condition calculation, the geometrical morphology and solidification behavior of the molten pool caused by electron beam scanning can be simulated in a multi-parameter space in a high-flux mode. The grain orientation evolution trend of the material after the powder bed is molten can be accurately predicted by calculating parameters such as the penetration depth, the penetration width, the molten pool leading edge angle and the temperature gradient under different energy input conditions, and a single crystal forming window suitable for the nickel-based superalloy is constructed. By adopting the method, process parameters such as energy input, scanning speed, scanning strategy and the like can be screened and optimized, and a multi-dimensional process window is established so as to identify stable growth conditions required by single crystal preparation. According to the method, the internal relation between the geometric behavior of the molten pool and the preferred orientation of the crystal grains can be disclosed, and technical support is provided for realizing controllable forming of a single-crystal structure, reducing the defect generation risk and improving the structural integrity and performance of an additive manufacturing part.
Owner:FUZHOU UNIV

A kind of acid and alkali resistant pressure vessel testing equipment

The present invention discloses an acid- and alkali-resistant pressure vessel inspection equipment, which relates to the technical field of pressure vessel quality inspection equipment, and includes a pneumatic lifting seat that can carry the pressure vessel to rise and fall. Two alignment seats with adjustable spacing are arranged above the pneumatic lifting seat, and the two alignment seats are symmetrically distributed. The alignment seats are each provided with a mobile unit that can probe into the interior of the pressure vessel, and the bottom ends of the mobile units are each provided with industrial cameras 1, 2, and 3 that can move synchronously therewith. When the industrial camera 1 is located in the pressure vessel and descends to a limit depth, the industrial camera 2 and the industrial camera 3 can rotate synchronously. The present invention can quickly and efficiently scan the rounded transition portion between the arc-shaped inner bottom wall and the inner side wall of the container and the different depths of the arc-shaped inner bottom wall, and perform rapid inspection operations on the portion. Effectively eliminate blind spots in the inspection work and effectively reduce errors in the inspection work.
Owner:SHANDONG ANTAI CHEM PRESSURE VESSEL INSPECTION CENT CO LTD

A portable digital archive management and analysis device

The present invention discloses a portable digital archive management and analysis device in the field of digital archive technology, comprising a base and a visual camera, wherein a protrusion is arranged on the rear side of the base and a supporting folding frame is hinged on the protrusion through a lower hinge shaft, two groups of mounting folding frames are hinged on the supporting folding frame through an upper hinge shaft, a camera position adjustment mechanism is installed between the two groups of mounting folding frames, and a camera angle adjustment mechanism is installed on the camera position adjustment mechanism. In this scheme, a foldable supporting folding frame and a mounting folding frame are installed on the base, and a camera position adjustment mechanism is installed on the mounting folding frame, and a visual camera is installed on the camera position adjustment mechanism through a camera angle adjustment mechanism, so that the device as a whole can be folded and stored, is convenient to carry and use, and can be quickly unfolded when in use, and then paper materials are placed on the base and scanned and analyzed by the visual camera.
Owner:SHANDONG ACAD OF MARINE SCI (QINGDAO NAT MARINE SCI RES CENT)

Laser repairing device and system based on two-dimensional rotary table

The invention relates to the technical field of OLED laser repairing, in particular to a laser repairing device and system based on a two-dimensional rotary table, and the device comprises a laser projection assembly; the two-dimensional turntable comprises an azimuth electric rotating shaft, a pitching electric rotating shaft and a mounting part, the output end of the azimuth electric rotating shaft is fixedly connected with the mounting part, and the middle part of the pitching electric rotating shaft is rotationally connected with the mounting part; the mounting end of the azimuth electric rotating shaft is mounted on the movement mechanism; the observation assembly is mounted on one shaft head of the pitching electric rotating shaft; and the laser focusing assembly is arranged on the other shaft head of the pitching electric rotating shaft. According to the laser repairing device based on the two-dimensional rotary table, the problems that an existing laser repairing device for repairing an OLED panel is small in scanning range, low in scanning speed and low in repairing efficiency can be solved, and the laser repairing device has the advantages of being large in scanning range, high in precision, high in speed and high in repairing efficiency.
Owner:JIHUA LAB

A radiation dose measurement method and system based on electronic tags

The present invention provides a radiation dose measurement method and system based on an electronic tag, belonging to the field of radiation measurement technology, by setting a rewritable electronic tag that can write information in a digital information format on a radiation dose detection card, and automatically identifying the sequence coding information and the cumulative radiation dose information with the help of the electronic dose card automatic identification technology, and making a one-to-one correspondence between the sequence coding information and the radiation cumulative dose information, thereby obtaining the cumulative radiation dose information of the detected object. The present invention can solve the technical problem in the prior art that the numbering sequence of multiple dose storage cards is easily disrupted when measuring simultaneously, which easily causes the measurement result to be inconsistent with the code of the detected object.
Owner:BEIJING SEASUNCC TECH CO LTD