59 results about "Continuous scanning" patented technology

Disclosed are a multi-layer tabs welding method for a battery and a battery. The method comprises conducting continuous scanning welding with laser on multi-layer tabs and a to-be-welded workpiece to form a strip-like or block-like welding bead, and repeating the aforementioned process to form a plurality of discontinuous welding beads at a connection between the multi-layer tabs and the to-be-welded workpiece.

The embodiment of the application provides a three-dimensional reconstruction method and related devices. The method comprises: based on an image frame, extracting point data from point cloud data associated with the image frame and putting the point data into a target point data set; wherein, the associated image frame and the point cloud data are: there is an overlapping surface area between a surface area of a target object corresponding to the image frame and a surface area of the target object corresponding to the point cloud data; the point data put into the target point data set corresponds to the overlapping surface area; in the process of continuously scanning to generate the associated image frame and the point cloud data, point data meeting a specified condition in the point cloud data is added to the target point data set; and a three-dimensional reconstruction model of the target object is generated according to the point data in the target point data set. The three-dimensional reconstruction efficiency can be improved to a certain extent.

The present application provides a continuous scanning laser Doppler vibration test method for the outer surface of a thin-walled casing. Firstly, the continuous scanning vibration test is performed on the outer surface of the thin-walled casing, and the vibration time-domain signals of the outer surface of the thin-walled casing are collected. Then, the vibration displacement amplitude of the outer surface of the thin-walled casing is obtained by processing the tested time-domain signals through a band-pass filter and a Hilbert transform. Next, the laser continuous scanning path point coordinate model of the variable cross-section outer surface of the thin-walled casing is established, and the laser continuous scanning path point coordinates of the outer surface of the thin-walled casing at the missing hole are deleted by comparing with the coordinate model of the UG of the thin-walled casing. The vibration displacement amplitude based on the laser continuous scanning path point coordinates is obtained. The continuous scanning modal shape of the planar expansion of the outer surface of the thin-walled casing is obtained. Finally, the three-dimensional continuous scanning modal shape of the outer surface of the thin-walled casing is obtained through a coordinate conversion formula. Compared with the traditional test method for the outer surface of a thin-walled cylinder, the test efficiency is greatly improved, and the range of the test structure is expanded.

This invention relates to the field of intelligent medical image processing and robot control technology, and discloses a method, apparatus, device, and medium for ultrasound scanning trajectory planning based on skeleton lines. The method includes: generating a three-dimensional point cloud from multi-pose depth images; obtaining a structured point cloud through filtering and downsampling; and extracting the target surface through geometric fitting and region segmentation. A slicing plane is constructed along the axial direction to extract center feature points, forming a skeleton line. A continuous scanning trajectory is generated by smooth fitting and equidistant interpolation using spline curves. Orientation correction is performed based on the surface normal vectors and viewpoint direction of the trajectory points, generating robot scanning control commands. This invention achieves continuous and accurate robot ultrasound scanning path planning by constructing a scanning trajectory that realistically fits the surface and combining it with normal vector correction to generate stable posture commands, thereby improving cross-sectional consistency and imaging quality.

The application provides a precise positioning method for sewer pipeline leakage based on a concentration gradient color development principle, and comprises the following steps: S1, fixing a color development tape connected with a deployer in a manhole upstream of a pipeline, allowing the deployer to advance spirally along a central axis direction of the pipeline, and continuously releasing the color development tape in the process, so that the color development tape is radially and tightly pressed and fixedly attached to an inner wall detection area of the pipeline, and is arranged along a spiral track in the central axis direction of the pipeline until the deployer reaches a manhole downstream of the pipeline; S2, continuously injecting a tracer upstream of the pipeline; S3, activating a color development reaction of the color development tape under a sewage environment, so as to form a color development intensity gradient corresponding to a pipeline leakage point in a length direction of the color development tape, and the color development intensity gradient is positively correlated with a pipeline leakage flow; and S4, continuously scanning the color development tape by using a colorimetric analyzer method to obtain color development intensity, and determining the pipeline leakage point and leakage intensity according to the color development intensity and color development tape position information.

This invention relates to the field of gateway access and discloses a gateway access system and method for smart door locks in campus dormitories. The system includes: continuously scanning the entry area by deploying multi-source sensing units to generate an event priority queue; triggering a multi-person joint identity verification process based on events in the event priority queue whose risk levels meet preset conditions, generating a joint risk probability distribution matrix; uploading the matrix to the dormitory building gateway, and forming a candidate protection event set by combining the operating status and time node characteristics of the door lock node and monitoring node; generating door lock control commands based on the candidate protection event set and the corresponding time node joint risk probabilities through a door lock dynamic access control mechanism and a multi-level policy mapping algorithm; and forming a protection policy set by combining the risk changes of the candidate protection event set at different time nodes and updating protection parameters, sensing frame rate, and multi-factor verification rules through algorithms. This invention has the advantage of improving security.

The utility model is suitable for data acquisition technical field provides a kind of file data acquisition device, pedestal, the middle part is equipped with baffle;Auxiliary assembly, it includes threaded shaft, threaded shaft is all screw thread connection mobile seat, mobile seat is equipped with scanning element, mobile seat both ends are all equipped with extension plate, extension plate on the both sides of baffle is slidably equipped with suction slider and cooperation slider respectively, the pedestal on the both ends of baffle is all rotatably equipped with rotating seat, suction element is rotatably equipped between rotating seat, suction connecting rod is rotatably equipped between suction slider and rotating seat, the pedestal on the one side of baffle is all slidably equipped with lifting seat, top roller axle is rotatably equipped between lifting seat, bottom roller axle is rotatably equipped below top roller axle, cooperation connecting rod is rotatably equipped between cooperation slider and lifting seat.

The utility model relates to bearing axle stem coaxial degree detection technical field discloses a bearing axle stem coaxial degree detection and calibration device, including base, the axle stem mounting seat, bearing mounting seat and fixed base are detachably installed on the base, the fixed base is rotatably installed with the encircle detection structure, synchronous calibration mechanism bag, bidirectional screw rod, cam and clamping block, three clamping blocks are respectively elastically arranged in axle stem mounting seat and bearing mounting seat, one cam is rotatably arranged in axle stem mounting seat and bearing mounting seat, bidirectional screw rod rotatably sets up in the base, axle stem mounting seat and bearing mounting seat are respectively screw set up in both ends of bidirectional screw rod, and the synchronous work piece clamping and coaxial degree pre -calibration are completed to clamping block through the mechanical linkage of bidirectional screw rod and cam, avoid artificial intervention error, utilize worm wheel rotation drive coaxial degree measuring instrument encircle axle stem or bearing outer periphery continuous scanning, realize 360 degree dead angle detection, improve the accuracy of detection.

The utility model discloses a kind of heat pump unit temperature monitoring devices, it relates to heat pump unit temperature monitoring technical field, the heat pump unit temperature monitoring device, including monitoring platform, monitoring platform upper end is equipped with guide rod, guide rod is slidably provided with receiving table, receiving groove is opened in receiving table, the both sides of receiving groove are respectively equipped with positioning assembly, two groups of positioning assembly are fixed to thermal imaging camera, the downside of monitoring platform is equipped with mobile support assembly, mobile support assembly is used to support thermal imaging camera when monitoring temperature. The utility model through positioning assembly clamping thermal imaging camera and moving it to adjustable height's air cylinder, cooperate the movement of sliding block on double track, realize the continuous scanning monitoring of heat pump unit multiple area, effectively make up temperature sensor blind area, expand monitoring range.

The present application belongs to the technical field of probe microscope repair and scanning, and proposes a scanning probe microscope repair and scanning method and system based on artificial intelligence. A two-stage continuous scanning mode is proposed. Based on the different modes of the large-scale scanning stage and the small-scale scanning stage, in the case of unqualified needle tip state, the trained reinforcement learning model is used to obtain the needle tip discrete repair action and the corresponding optimal continuous parameters. According to the needle tip discrete repair action and the corresponding optimal continuous parameters, the probe executes the scanning action. The corresponding reinforcement learning model is trained for each scanning stage, which makes the repair action more consistent with the actual physical requirements of the stage, realizes accurate and efficient probe repair, and significantly improves the imaging efficiency and success rate.

The application relates to the technical field of laser measurement, and discloses a laser measurement device for building steel structures, which comprises a bottom plate, support plates are fixedly connected to the left and right sides of the upper surface of the bottom plate, an annular limiting groove is arranged in the inner side surface of the support plate, a limiting ring is movably inserted into the annular limiting groove, a mounting ring is fixedly connected to the inner side surface of the limiting ring, and a tooth ring is fixedly sleeved with the outer surface of the mounting ring on the left side. The laser measurement device for building steel structures and the method thereof are characterized in that the mounting ring is driven to rotate at 360 degrees by the linkage of the speed reducer, the transmission gear and the tooth ring, the laser detector can stably translate along the steel structure axis by the double-direction positioning of the screw rod transmission and the limiting rod, the laser detector can continuously scan and detect the building steel structure at full angles and without blind areas, the problems of limited measurement range and detection dead angle of the traditional device are solved fundamentally, and the integrity and accuracy of the measurement data are greatly improved.

The application provides a glass substrate TGV flat-bottom blind hole preparation method and a glass substrate. The method comprises the following steps: obtaining a scanning track, the scanning track comprises coaxially nested dot matrix tracks and a ring cutting track, the dot matrix tracks comprise a plurality of interval arranged track points, and the ring cutting track comprises a continuous annular track line; laser point-by-point scanning is performed along each track point in the dot matrix tracks to form a dot matrix modification area located in a center area of a target blind hole; continuous scanning is performed along the ring cutting track to form an annular modification area located outside the dot matrix modification area; and the glass substrate after laser-induced processing is placed in an etching solution for wet etching, the annular modification area is expanded by etching to form a side wall of the target blind hole, and the dot matrix modification area is connected by etching to form a bottom of the target blind hole. The above blind hole preparation method effectively overcomes the blind hole bottom tapering defect caused by the Gaussian distribution of laser energy by adopting coaxially nested dot matrix tracks and a ring cutting track for laser induction.

The utility model discloses a buckle for wearable ultrasonic probe, including the casing, the lower extreme of casing is provided with the clamping slot, the upper end of casing is provided with the accommodation cavity and the through cavity, and the accommodation cavity is connected with the through cavity. The utility model has the advantages that: by clamping the clamping slot on the clamping block of both sides of ultrasonic probe, medical staff passes through the through cavity and leans in the accommodation cavity, makes medical staff wear ultrasonic probe on the finger, solves the inconvenient problem of ultrasonic probe handheld operation, because the buckle is detachable, when needing to fix ultrasonic probe on the human body surface, medical staff takes out the clamping block from the clamping slot, and then fixes, so that long -time continuous scanning is convenient.

The application discloses a quartz glass laser welding method and an atomic cell, and belongs to the technical field of atomic cell packaging. The method is characterized in that first and second quartz glass components are butted to form a joint interface, and CO2 laser beams are used for welding, which is divided into two steps of pre-welding and main welding. In the pre-welding, a first laser power is used for scanning to form a plurality of discrete fusion points to fix the components; in the main welding, a second laser power larger than the first laser power is used for continuous scanning to form a sealing weld. The interval between adjacent fusion points formed by the pre-welding is less than 1.5 times the diameter of a main welding spot, so that the main welding weld can completely cover and fuse the discrete points, and the weld is continuous and uniform. By controlling the laser power and the scanning speed, the weld penetration is stabilized at 0.5 mm-2 mm, the air tightness is better than 8*10 ‑11 Pa·m³ / s, and the heat affected zone width is less than 1.5 mm. The application further discloses an atomic cell prepared by using the method, which can avoid component displacement and stress concentration, realize sealing welding with high air tightness and low heat affected zone, and improve the long-term stability of the atomic cell.

The utility model relates to the technical field of dangerous chemical vehicle tank gas detection, especially to a dangerous chemical vehicle tank gas leakage detection device. The utility model discloses the technical scheme is: a dangerous chemical vehicle tank gas leakage detection device, including support seat, controller and warning light etc. Two support seats are horizontally distributed, and the both sides of the bottom of two support seats are symmetrically provided with mounting holes, and the lower part of the support seat of one side is fixedly connected with the controller, and the front part of two support seats is fixedly connected with the warning light. The utility model drives the drive wheel to rotate through motor output shaft, and the drive wheel drives two gas concentration detectors to reciprocate along the outside of the vehicle tank through the connecting rope, realizes the continuous scanning detection to the surface of the vehicle tank, improves the coverage range and response speed of leakage detection, and automatically controls the motor forward and reverse rotation through the controller, realizes the automatic reciprocating motion of the detector, does not need manual inspection, and improves the automation degree and accuracy of detection.

The application belongs to the technical field of tunnel engineering detection, and specifically discloses a soft surrounding rock tunnel initial support cavity detection method and system, which comprises the following steps: collecting data and calibrating positions through a radar detection vehicle, analyzing local electromagnetic wave characteristics to determine cavities and mark suspicious areas, extracting time differences to calculate cavity depths in combination with electromagnetic wave speeds, determining longitudinal lengths and transverse widths according to radar images, calculating initial detection volumes in combination with a cavity shape pattern library, confirming actual parameters through secondary reexamination, finally evaluating structure risk levels according to actual positions and volumes, and generating a detection report; the radar detection vehicle is used for non-contact geological radar detection, so that physical damage of a support structure caused by traditional drilling is avoided, the integrity of the support structure is ensured, and through quantitative criteria of multiple characteristics such as reflected wave amplitude, phase and waveform, subjective artificial judgment is replaced, the objective reliability of detection results is improved, and the detection efficiency is greatly improved in the automatic and continuous scanning mode.

To provide an image reading device capable of reading using multiple reading methods, and to offer a new technology for continuous reading. [Solution] MFP1 is capable of performing ADF reading and FB reading, and can also accept continuous scanning settings according to operations via User IF13. When MFP1 performs ADF reading, if "Continue On" is set as continuous scanning, it waits for a continue instruction via User IF13, and if a continue instruction is received, it reads the next document. When MFP1 performs ADF reading, if "Continue On" is not set as continuous scanning, it does not wait for a continue instruction, but combines the read data and outputs it. When MFP1 performs FB reading, regardless of the continuous scanning setting, it waits for a continue instruction.

The application discloses an NFC card reading compensation method and device, equipment and medium, apply to compensation system, relate to computer technology field, including: receiving the card data package that NFC component obtains through continuous scanning of a preset induction area, and analyzing the card data package to obtain target NFC data; the target NFC data is verified, if it is passed, the state flag bit of the target controller connected is read through the preset 5G private network, and whether the target controller is reading data is judged through the state flag bit; if yes, the original NFC data in the target controller is read, and whether the target controller reads data fails is determined based on the original NFC data; if it fails, the target NFC data is format converted to obtain compensation data, and the compensation data is written into the target controller to complete data compensation. Therefore, the NFC card reading success rate can be effectively improved.

The present application relates to the field of optical fiber sensing technology, and more particularly to a kind of FP-FBG fusion spectrum demodulation method based on discrete spectrum analysis, comprising: driving tunable laser quasi-continuous scanning FP-FBG sensor and obtaining discrete reflection spectrum sequence through photoelectric acquisition circuit, determining the index of FBG peak in the sequence and obtaining FBG center wavelength by using centroid method fitting, selecting target neighborhood with the index as center and replacing the neighborhood sequence value with the intensity mean of spectrum sequence to obtain processed FP spectrum sequence, performing autocorrelation transformation on the processed FP spectrum sequence to obtain autocorrelation sequence, and finding the peak-to-peak distance between main peak and adjacent peak in the autocorrelation sequence, and finally calculating the sensing demodulation result according to the calibration relationship.The present application can effectively remove the shielding of narrow-band FBG to FP spectrum period information, suppress random noise and significantly improve the demodulation accuracy of low-quality spectrum.

This invention discloses a multi-sample rack loading and continuous barcode scanning mechanism, including a loading platform. The surface of the loading platform is provided with a limiting component for guiding and limiting multiple loading racks. One end of the loading platform is provided with a positioning detection component. During the process of the loading rack being inserted into the loading platform along the limiting component, the samples in the loading rack are driven through the scanning range of the barcode scanning structure located on one side of the loading platform to achieve barcode scanning. By setting up loading racks and limiting components, when a loading rack full of sample containers is manually or automatically pushed or conveyed along the guide mechanism, the barcode scanner starts to work. As the loading rack moves, it completes the barcode scanning of all sample containers on the rack one by one. This mechanism is designed to support multiple loading racks being fed in sequentially and continuously and performing independent barcode scanning operations. The barcode scanning process of each loading rack does not interfere with each other, realizing the integration of the loading process of the loading rack and the automatic scanning process of sample information.

The application discloses a kind of nuclear fusion star simulator magnet coil curvature deformation precision scanning measurement device and method, belong to nuclear fusion device precision measurement technical field.Device includes pedestal, support column, outer ring frame, rotary motor sliding seat, radial adjusting rod, main measurement scanning ring probe, center shaft and auxiliary measurement arm;The star simulator magnet coil to be measured is installed in the inside of outer ring frame, rotary motor sliding seat is slid along the circumference of outer ring frame 360 °, radial adjusting rod drives measurement probe to realize radial precision feed, and the supplementary measurement of complex area of coil is completed.Method is realized by establishing unified measurement coordinate system, and three-dimensional point cloud data are collected by full circumferential continuous scanning, and curvature deformation deviation report is generated by curve reconstruction, curvature calculation and comparison with theoretical model.The application solves the problems of low efficiency, insufficient accuracy and inability to continuously scan in full circumferential direction of traditional measurement methods, and the measurement accuracy reaches sub-micron level, providing data support for coil manufacturing, assembly and operation and maintenance.

1. The name of the design product: industrial camera. 2. The use of the design product: for computer, communication, lithium battery, etc. industry, which can be used for detecting continuous moving objects; such as can be detected by continuous scanning, and the surface of the measured object can be comprehensively detected. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: design 1 perspective view 1. 5. Design 1 is designated as the basic design.

This invention discloses a laser welding method for quartz glass and an atomic gas chamber, belonging to the field of atomic gas chamber encapsulation technology. The method involves butt-joining first and second quartz glass components to form a bonding interface, and then welding using a CO2 laser beam, divided into two steps: pre-welding and main welding. During pre-welding, a first laser power scan is used to form multiple discrete weld points to fix the components; during main welding, a higher second laser power is used for continuous scanning to form a sealing weld. The spacing between adjacent weld points formed in the pre-welding is less than 1.5 times the diameter of the main welding spot, ensuring that the main weld completely covers and fuses the discrete points, guaranteeing a continuous and uniform weld. By controlling the laser power and scanning speed, the weld penetration depth is stabilized at 0.5 mm to 2 mm, with an airtightness better than 8×10⁻⁶ mm. ‑11 Pa·m³ / s, with a heat-affected zone width of less than 1.5 mm. This invention also discloses an atomic gas chamber prepared using this method, which can avoid component displacement and stress concentration, achieve high airtightness and low heat-affected zone sealing welding, and improve the long-term stability of the atomic gas chamber.

The present application relates to a kind of cutting methods of truck carriage side wall, the workpiece to be cut on side wall is divided into left trapezoidal plate, middle trapezoidal plate, right trapezoidal plate, left C-shaped plate, right C-shaped plate, and the scanning and slit identification algorithm matched with each kind of plate piece is set;First, by control system control multiple robots move to carriage to be cut position by guide rail;Then start 3D laser sensor along slit continuous scanning;3D point cloud data of workpiece to be cut is generated after scanning, and control system calculates the cutting trajectory position from 3D point cloud data by slit identification algorithm;Control system controls the movement of plasma cutting torch on robot by cutting trajectory information, to cut.The cutting method disclosed in the present application can automatically cut the carriage side wall plate, the cutting quality is good, the work efficiency is greatly improved, and the economic benefit of enterprise is improved.

The present application relates to the technical field of displacement measurement, and particularly relates to a single-field scanning time grating linear displacement measurement device. The device comprises a light source body, a fixed ruler, a movable ruler, a mounting base and a photoelectric detector. The fixed ruler is marked with a first period of rectangular light transmission surfaces along a measurement direction. The movable ruler is arranged above the fixed ruler through the mounting base and is marked with a second period of double-cosine light transmission surfaces along the measurement direction. The fixed ruler and the movable ruler form third period of similar-sine-amplitude light transmission surfaces due to the first period not being equal to the second period. The single-field scanning time grating linear displacement measurement device provided by the present application utilizes the first period of the fixed ruler light transmission surfaces not being equal to the second period of the movable ruler light transmission surfaces, and the double-cosine structure intersects to form a periodic large-area similar-sine-amplitude light transmission surface. The device has the core advantages of wide coverage and continuous scanning. Pollution only causes slight changes in signal amplitude and does not cause phase distortion, thereby significantly improving the anti-pollution capability.

The application discloses a kind of composite toughened glass stress distribution uniformity monitoring methods, comprising: by polarized light stress scanner, continuous scanning is carried out along the glass transmission direction, the stress value of each position on glass surface is collected, while the measured angle of scanning path and roll direction is recorded, and the glass thickness and roll diameter are measured, according to the glass thickness, the glass to be measured is divided into thin glass or thick glass;According to the measured angle of scanning path and roll direction, the stress value of each position on glass surface is converted, the stress value obtained by oblique scanning is uniformly mapped to the glass transmission direction, and the stress distribution record arranged along the transmission path is formed;The bending arc profile and stress transition uniformity of thin glass are comprehensively considered, and the contact trace range and stress sharing uniformity of thick glass, to generate support quality evaluation report of different thickness types of glass.

The application relates to the technical field of PCB detection, and discloses a PCB detection device which comprises a conveying belt and a plurality of PCB detectors arranged above the conveying belt, a plurality of PCBs to be detected are linearly arranged on the conveying belt, a first PCB detection frame, a second PCB detection frame and a third PCB detection frame are sequentially arranged on the conveying belt, and the PCB detectors are arranged on the first PCB detection frame, the second PCB detection frame and the third PCB detection frame. The first rotating support is used for automatically up-down overturning the PCB, the first and second detection frames are matched, the detection of the upper and lower surfaces of the PCB is completed at one time, the second rotating support is used for rotating the PCB into a vertical state and driving the PCB to rotate in the third detection frame, continuous scanning and detection of four side edges of the PCB are realized, manual intervention is not needed in the whole process, and the whole process of feeding, detection and discharging is automatically realized.

An online haze detection device for BOPE films includes: an upper sliding rod and a lower sliding rod arranged parallel to each other in the horizontal direction; a light emitter mounted on the upper sliding rod and movable along its axial direction; and a light receiver mounted on the lower sliding rod and movable along its axial direction. The emitting end of the light emitter and the receiving end of the light receiver are kept coaxially opposite each other, and the optical path is kept aligned during movement by a mechanical coaxial structure. A standard filter with adjustable haze is provided between the upper and lower sliding rods for calibrating the light emitter and the light receiver. This invention utilizes the parallel upper and lower sliding rods and the coaxially opposite light emitter and light receiver to construct a coaxial moving detection optical path, realizing full-width continuous scanning of moving films. The light emitter and light receiver are calibrated by the standard filter, and the detection standard can be changed by replacing the standard filter to adapt to the production and testing needs of different types of BOPE films.