1490 results about "Ccd camera" patented technology

The invention relates to the technical field of additive manufacturing, and particularly discloses a real-time defect detection and in-situ repair method and device in the additive manufacturing process, and the method comprises the steps that a multi-mode sensing system is integrated on additive manufacturing equipment, the multi-mode sensing system comprises a high-resolution CCD camera, a laser scanner and a thermal infrared imager, and data acquisition is synchronized; a hierarchical scanning strategy is adopted, two-dimensional surface images, three-dimensional point cloud data and thermal field distribution information are collected before and after each layer is machined, and the data synchronization precision is smaller than 0.1 ms; according to the invention, a multi-modal sensing system and an advanced algorithm are integrated, so that real-time detection and accurate repair of defects are successfully realized; a high-resolution CCD camera, a laser scanner, a thermal infrared imager and other sensors are adopted, a cross-scale RANSAC algorithm and a depth feature fusion network are combined, surface and internal defects are accurately detected, and laser remelting parameters are adjusted in real time for in-situ repair.

The invention discloses an on-line detection method and system for etching quality of a laser perovskite cell, and the method comprises the steps: employing a double-camera alternate working mode, installing high-resolution CCD camera assemblies at two sides of a laser processing head in an X direction, eliminating the shielding of a motion direction, carrying out the scribing quality analysis through combining the submicron optical imaging of the CCD camera assemblies with an image processing algorithm, and carrying out the detection of the etching quality of the laser perovskite cell. According to the method, local adaptive threshold segmentation is put forward, an Otsu method is used for adaptively calculating a binarization threshold, a morphological opening operation is used for removing irrelevant information, an edge searching logic algorithm is used for searching two edges of a scribed line, finally, the two edges and a center line are fitted, and scribed line quality analysis is carried out through the three lines. And real-time power adjustment, position calibration and defect position marking are carried out by detecting the scribing quality, the calculation speed of the high-resolution optical detection system is high, detection can be carried out while machining is carried out, and machining-detection-correction closed-loop control is achieved.

The invention discloses a large-size grinding wheel concentricity error measurement method and system based on machine vision, and relates to the technical field of grinding wheel concentricity error measurement, and the method comprises the steps: calibrating an industrial CCD camera through PyCharm software, collecting a part of images of a grinding wheel, and carrying out the RGB three-channel extraction, gray conversion, filtering and binary segmentation processing of the collected images; secondly, a Canny edge operator is adopted to carry out coarse positioning on the edge of the image, and then a novel edge judgment criterion is established to construct an edge detection model with sub-pixel-level precision; and finally, carrying out feature fusion on sub-pixel contours of RGB channels, clustering extracted discrete point sets by using an improved DBSCAN algorithm, and then carrying out ring fitting by using improved RANSAC to realize accurate measurement of the inner and outer diameters and concentricity of the grinding wheel.

According to the switchable double-laser-head machining light path system and device, a three-dimensional galvanometer and a cutting head assembly are integrated into a machining head assembly, a light path switching mechanism is adopted, two dichroscopes are horizontally moved through a sliding table, selective light splitting is conducted on wavelength setting of the two dichroscopes, and therefore the machining precision of the two dichroscopes is improved. Rapid seamless switching and light path multiplexing between a three-dimensional galvanometer machining mode and a cutting head machining mode are achieved, it is ensured that the lens angle does not need to be adjusted again or light path alignment does not need to be conducted after light path switching, coaxial CCD monitoring is adopted, according to the wavelength setting characteristics of the two dichroscopes, the wavelength differentiation design is conducted on the first illumination light source and the second illumination light source, and therefore the machining efficiency is improved. According to the multi-axis moving platform, the same CCD camera is shared by two machining modes, high-precision real-time monitoring under the double machining modes is achieved, a closed-loop control basis is provided for the laser machining process, and meanwhile, the multi-axis moving platform is matched with the two rotary table assemblies, so that laser machining can be flexibly conducted on a curved-surface workpiece within a large-format range.

The invention relates to the technical field of measurement and automation, in particular to a non-contact wire diameter identification method and system, and the method comprises the steps: enabling a CCD camera and a laser range finder to aim at a remote cable identification target, and obtaining a cable image and the spatial position information of the cable image; inputting the cable image into a trained cable type identification model for feature extraction and classification processing to obtain a cable type, and determining an edge detection preset parameter corresponding to the cable type; edge extraction and contour segmentation are carried out based on the cable image and edge detection preset parameters, and the pixel length of the cable diameter is obtained according to geometric characteristic estimation of the segmented contour; based on the spatial position information of the cable and the pixel length of the diameter of the cable, performing scale conversion from an image to a physical world to obtain the actual length of the diameter of the cable; and based on the actual length of the cable diameter and the cable type, searching a matching item in a preset cable model database to obtain a cable model identification result.

The invention discloses a method for measuring a detection inclination angle of a two-component atomic shearing interferometer. The method comprises the following steps: constructing an inclination angle set of an angle swinging device; when the atoms are acted by the pi Raman laser and the second pi / 2 Raman laser, the reflecting mirror rotates by an angle; alternately detecting multiple groups of odd-numbered groups and even-numbered groups; traversing all dip angles in the dip angle set; and fitting and calculating the actual included angle of the longitudinal direction of the imaging surface of the CCD camera relative to the Z-axis direction. The invention further discloses a measuring device for the detection inclination angle of the two-component atom shearing interferometer. According to the method, an existing atom shearing interferometer can accurately measure the inclination angle of a detection system of the atom shearing interferometer, so that the problems of noise and system errors caused by the fact that the inclination angle of the detection system of the atom shearing interferometer does not return to zero are solved, and drifting of differential measurement of the two-component atom interferometer caused by inclination angle changes is restrained.

The invention discloses full-automatic prism laminating equipment for a mini LED. The full-automatic prism laminating equipment comprises a lower rack, a mounting substrate, a material taking and laminating transverse moving module, a mini LED plate limiting barrier strip mechanism, a mini LED plate material taking and laminating counterpoint lifting module, a mini LED plate counterpoint platform module, a mini LED plate adsorption module, a mini LED plate CCD camera positioning module, a prism jig positioning module and a discharging and transplanting module. The positioning device has the advantages that stepless adjustment of the barrier strip is achieved through a sliding pair of the T-shaped rail groove and the sliding block, a 90-degree bending structure and plum blossom rotary knobs are matched for fastening, a square positioning area capable of being rapidly reconstructed is formed, mini LED plates of different sizes are covered, rapid positioning of the full-size mini LED plates can be achieved, the positioning precision is high, the adjusting efficiency is high, and the clamp does not need to be replaced; a high-precision miniature vertical guide rail and a pressure sensor are integrated in the adsorption module, dynamic buffering is provided through a compression spring, and attachment impact and bubbles are eliminated in combination with vacuum negative pressure adsorption and jacking release of a jacking column.

The invention relates to a water jet attitude detection and calibration device and method, and relates to the technical field of water-guided laser processing and high-pressure water jet cutting. The water jet attitude detection and calibration device comprises an angle adjusting device for adjusting the angle of a processing head; the detection module comprises two groups of correlation type photoelectric sensors, two correlation type photoelectric sensors are longitudinally distributed in each group, one group emits linear light along the X axis of the machine tool, and the other group emits linear light along the Y axis of the machine tool; when the correlation type photoelectric sensor detects that the light intensity reaches a preset light intensity threshold value, a signal is sent out; the value range of the light intensity threshold value is 60%-90% of the initial light intensity; the position adjusting device enables the water jet to pass through two machine tool Y-axis light along the machine tool X-axis and enables the water jet to pass through two machine tool X-axis linear light along the machine tool Y-axis. The correlation type photoelectric sensor is used for replacing the combination of a CCD camera and a sharp mechanical structure, the reaction is more sensitive, the detection efficiency and the detection precision are higher, and the water jet attitude calibration device is suitable for multiple times of rapid water jet attitude calibration under the long-time operation scene of the water-guided laser machine tool.

The invention belongs to the technical field of monitoring equipment, and discloses a supercritical carbon dioxide contact angle direct monitoring system and method.A first needle valve is connected with the bottom of a high-temperature and high-pressure reaction kettle, the other side of the first needle valve is connected with a supercritical carbon dioxide storage device, and a heater is arranged on the periphery of the columnar high-temperature and high-pressure reaction kettle; a sight glass is arranged on the side face of the high-temperature and high-pressure reaction kettle, a light source is arranged on the left side of the high-temperature and high-pressure reaction kettle, the top of the high-temperature and high-pressure reaction kettle is connected with a second needle valve, the other side of the second needle valve is connected with a water injection pump, and a CCD camera is arranged on the right side of the high-temperature and high-pressure reaction kettle and connected with a computer. The computer is connected with the high-temperature and high-pressure reaction kettle through the temperature sensor and the pressure sensor. According to the invention, the change of the contact angle of the supercritical carbon dioxide can be accurately monitored and analyzed in real time, and an effective tool is provided for researching the wettability of the supercritical carbon dioxide and the effects of anisotropy, cohesiveness, adsorptivity and the like of the surface of a material.

The invention discloses a fixing and adjusting device for automatic welding of a robot, and relates to the technical field of automatic welding of robots. The first transmission assembly and the second transmission assembly are combined with the first hydraulic cylinder and the angle adjusting assembly, flexible and accurate three-dimensional space positioning and posture adjusting capacity is provided for a welding structure, the multiple independently-driven robot clamping jaws are provided with floating pressure heads, a pressure sensor and a temperature sensor are integrated, and the welding precision is improved. The clamping state is monitored in real time, stable clamping is ensured, meanwhile, damage is avoided, three-dimensional deformation data of a workpiece are captured in real time through the laser contourgraph and the CCD camera, the controller integrates the data, a welding seam track, the pose of the robot and clamping force, displacement and temperature information fed back by the clamping jaw, and then the adjusting assembly can be driven to conduct pose compensation. Local thermal deformation caused by welding heat input is actively counteracted, and the welding precision, the joint quality and the process stability are improved.

The invention discloses a multi-mode perovskite and laminated cell comprehensive test system and method. The system comprises a darkroom, a test platform, an LED light source module, a CCD camera, a laser, an adjustable constant current source, an electronic load and an upper computer. The darkroom is used for shielding external ambient light and providing a dark test environment; the test platform is installed in the darkroom, and a to-be-tested battery is placed on the test platform; the LED light source module is used for providing a test light source; the CCD camera is used for capturing an optical signal generated by the battery to be tested in the testing process; the laser is used for emitting a laser beam to excite the to-be-detected battery to generate a specific optical response; the adjustable constant current source and the electronic load module can be electrically connected with a to-be-tested battery on the test platform, the adjustable constant current source is used for supplying current to the to-be-tested battery, and the electronic load module is used for simulating different load conditions; and the upper computer is used for realizing intelligent control of the test process and processing and display of test data.

The invention discloses a wiring harness batch automatic plugging device and a control method thereof, a CCD camera, a first clamping jaw and a second clamping jaw are configured on a mechanical arm, the CCD camera is used for identifying a to-be-plugged wiring harness, the first clamping jaw is used for clamping the head end of the to-be-plugged wiring harness, the head end of the to-be-plugged wiring harness is plugged to a first target position on a to-be-wired backboard, and the second clamping jaw is used for clamping the head end of the to-be-plugged wiring harness; and the second clamping jaw is used for clamping the tail end of the to-be-plugged wire harness, carrying the to-be-plugged wire harness to perform routing on the to-be-wired backboard according to a specified track, and plugging the tail end of the to-be-plugged wire harness to a second target position when the to-be-plugged wire harness is routed to the second target position. The technical problems that an existing manual wire harness plugging mode depends on the proficiency of operation technicians, the automation degree is low, and plugging of single-core wires with different wire diameters, different types of terminals and different lengths on various different types of connectors is difficult to achieve are solved.

The invention provides a high-precision multi-view image recognition detection method based on a CCD camera, and the method comprises the steps: employing a convolutional neural network to extract the noise perception features of each view image through a multi-view image set shot by a CCD camera array; carrying out semantic segmentation by adopting a self-adaptive multi-view semantic segmentation network; constructing final feature representation of the target area based on the enhanced features and the key features; performing view angle consistency matching based on the final feature representation of the target region by adopting similarity calculation; and based on the final target feature map, combining a classification module to identify the defect type, and outputting the type and position information of the defective product. According to the method, the noise removal of the multi-view image is realized through a self-supervised learning method, and the image features under different views are optimized in combination with a self-adaptive semantic segmentation technology, so that the accurate target recognition of the multi-view image is realized.

According to the sorting control system of the flow cytometry sorting instrument, liquid drop images are shot through a camera, and liquid drop states are quantitatively evaluated and monitored on the basis of image content information. In order to determine the liquid drop breaking state, a liquid drop image stroboscopic shooting mode is designed to observe the liquid drop state, and the STM32H7 provides a synchronous control signal. When the droplet generation state is stable, the droplet breaking image is close to a stationary state. The stroboscope lamp is controlled to be turned on at different moments in a period, so that different states of liquid drop generation can be observed. The time difference between the detection time and the charging time is quantitatively determined through liquid drop delay control, and accurate delay control over sorting is achieved. And finally, a full-automatic algorithm is adopted to calibrate the liquid drop time delay, the liquid drop time delay is continuously tried to be changed, and when the shooting brightness of the sorted CCD camera under a certain liquid drop time delay is the highest, the time delay is considered to be the current liquid drop time delay, so that full-automatic calibration of the liquid drop time delay is realized.

Performance evaluation and structural optimization methods for a high-power semiconductor laser chip, and a performance evaluation system for a high-power semiconductor laser chip. The performance evaluation method for a high-power semiconductor laser chip comprises: providing a window on an N-side electrode of a chip to be tested (step 1); keeping the chip in an operating state (step 2); allowing a quantum well active region of the chip to generate spontaneous emission, so that the spontaneous emission is imaged outside the chip (step 3); acquiring, by means of a spectrograph, a spectrum of the spontaneous emission outside the chip and obtaining a two-dimensional distribution of a quantum well temperature of the chip in the operating state; and acquiring, by means of a CCD camera, an image of the spontaneous emission imaging outside the chip and obtaining a two-dimensional distribution of charge carriers in the quantum well of the chip in the operating state (step 4). According to the performance evaluation and structural optimization methods for a high-power semiconductor laser chip, the distributions of the temperature and the charge carrier concentration in the quantum well of the chip to be tested in the operating state in which the resolution is freely adjusted can be obtained. Operations of the methods are convenient, and implementation is simple and easy, thereby efficiently improving the accuracy of an evaluation result.

The invention relates to the technical field of battery production, in particular to a ternary lithium battery production quality detection method and device.The ternary lithium battery production quality detection device comprises a temperature control box, a fixing rod is fixedly connected to the inner side of the temperature control box, a detection mechanism used for battery current detection is installed on the outer side of the fixing rod, and the detection mechanism comprises a second C-shaped installation plate; the inner wall of the second C-shaped mounting plate is provided with a maintenance mechanism used for preventing spontaneous combustion of a battery, the inner wall of the second C-shaped mounting plate is fixedly connected with a first mounting plate, the front end of the first mounting plate is provided with two sets of symmetrical CCD cameras, and a servo motor drives a fixed rotating shaft and a gear transmission system; a second C-shaped mounting plate drives a direct-current clamp meter to rotate, meanwhile, a battery body rotates reversely through a synchronous belt and a gear structure, 360-degree surrounding scanning of the detection ring on the outer side of the battery is achieved, a second electric telescopic rod drives an arc-shaped cleaning plate to be attached to a pole, an oxide layer is automatically removed, and contact resistance increase caused by impurities is avoided.

The invention provides an optical element laser thermal effect and light beam quality integrated measurement device and method, and the device combines key assemblies, such as a pump laser, a real-time power monitoring module, an energy transmission optical fiber, a multi-surface reflector, a beam splitter, a monochromatic optical filter, a CCD camera, an infrared thermal imager, a blackbody radiation calibration module, a Fizeau interferometer and the like. And the thermal effect of the transflective element can be measured at a specific angle. The device combines pump light and test light into one beam through the beam combiner and irradiates the surface of a sample at the same time, after transmission, the beam splitter divides the laser into two paths, one path is used for collecting far-field light spots to calculate the quality of the light beams, the other path forms an interference image to calculate thermal distortion, and meanwhile, the thermal infrared imager monitors the temperature of the sample. According to the invention, non-contact lossless integrated synchronous measurement is realized with high integration level and high flexibility, the device is suitable for temperature, thermal distortion and light beam quality measurement of an optical element under continuous or pulse laser, and thermal response characteristics of a sample are comprehensively and accurately evaluated.

The invention discloses a large-aperture plate glass stress birefringence surface imaging measurement method, belongs to the technical field of optical measurement, and aims to solve the technical problem of low glass stress birefringence measurement efficiency in the prior art. Comprising the following steps: moving a sample to be measured and a 1 / 4 wave plate out of a measuring light path, rotating a polarizer to find an extinction position, and rotating the polarizer by N angles nearby to obtain an angle # imgabs0 #; keeping the polarizer and the analyzer unchanged, moving the 1 / 4 wave plate into a measurement light path, rotating the 1 / 4 wave plate, and finding an extinction position; rotating the polarizer by N angles near the extinction position to obtain an angle # imgabs 1 #; the positions and the directions of the 1 / 4 wave plate and the polarization analyzer are kept unchanged, and the sample to be measured is moved into a measuring light path between the polarizer and the 1 / 4 wave plate; the polarizer is rotated through the polarization rotating mechanism, when the included angles between the polarizer and the x axis of the reference coordinate system are 0 degree, 60 degrees and 120 degrees respectively, the light intensities of the three images are obtained through the CCD camera, and the stress birefringence of the sample to be measured is obtained according to the three light intensities.

The invention discloses a multi-beam parallelism calibration device and method, and belongs to the technical field of laser ranging, the multi-beam parallelism calibration device comprises three laser ranging and adjusting modules, an L-shaped adapter plate a, a ground glass screen, an angle gauge, a bottom plate a and a precise parallel guide rail of a calibration part, and a CCD camera, a bottom plate b, a signal transmission cable and an upper computer of a signal receiving and processing part; a calibration device is adopted to emit three light sources to the frosted glass screen, the positions of three light spots on the frosted glass screen are determined through an image analysis method, and if the positions of the light spots are kept unchanged when the frosted glass screen is located at different positions of the guide rail, it is considered that light beams emitted by the three laser range finders are parallel to one another; and if the position of the light spot changes before and after the frosted glass screen moves, readjusting until the position of the light spot remains unchanged before and after the frosted glass screen moves. According to the invention, whether the light beams are parallel to each other can be rapidly evaluated, the parallelism between the light beams adjusted by the device is high, and the control plane angle measurement precision is greatly improved.

The invention discloses an image analysis method and system for quality control traceability of a satellite navigation board, and relates to the technical field of image processing. The method comprises the following steps: synchronously acquiring an image and three-dimensional point cloud data of a radio frequency transmission line area through a high-resolution area array CCD camera and a laser contourgraph; acquiring a transmission line contour based on image identification, and constructing a three-dimensional radio frequency line model through point cloud fitting; detecting the line width and the distance to the ground plane by using the model, and calculating the impedance prediction complexity in combination with a data acquisition error; dynamically calling a characteristic impedance prediction engine based on the complexity to obtain a predicted characteristic impedance sequence; and quality defect judgment is carried out, and traceability control is carried out on defective products. According to the method, a complete technical chain from geometric dimension detection to electrical performance evaluation is established, hidden defects which are difficult to find by a traditional method can be effectively identified, and the quality control precision and the product yield of the satellite navigation board are improved.

The invention provides a vertical screen printing machine CCD automatic alignment device, and relates to the field of circuit board production, the vertical screen printing machine CCD automatic alignment device comprises a mounting plate seat, two conveying double guide rails are arranged on the two mounting plate seats, a first vertical feeding frame and a second vertical feeding frame are arranged on the two conveying double guide rails respectively, a PCB body is arranged on the first vertical feeding frame, and the PCB body is arranged on the second vertical feeding frame. And a CCD (Charge Coupled Device) camera mechanism is arranged on one mounting plate seat. The CCD camera mechanism is arranged, the problem of alignment of the vertical printing machine is solved, a target hole is automatically found after the position of a PCB area calibration hole is photographed through four cameras or two cameras at opposite angles, front and back symmetrical screen frames are controlled through algorithm software to automatically adjust the position to be aligned with a screen graph, high-precision printing is achieved, and the printing efficiency is improved. And meanwhile, when the CCD camera mechanism runs and is used, the adjusting hand wheel can be quickly locked through the hand wheel locking module after being used, the situation that the adjusting position deviates is avoided, and the printing precision is further improved.

The invention provides an error modeling method and system based on a CCD camera alignment assembly system, and relates to the technical field of high-precision electronic manufacturing assembly, and the method comprises the steps: obtaining internal parameters and external parameters of a CCD camera through calibration, building a camera and mechanical coordinate system conversion relation, and constructing a collaborative calibration error tree; controlling the motion platform to move, synchronously acquiring pose and environment temperature data, decomposing vibration and thermal deformation error components through time-frequency analysis, and superposing the vibration and thermal deformation error components into dynamic errors; extracting a positioning error based on the pose data, and constructing a mechanical-optical coupling error spectrum in combination with the distortion parameters; and finally, fusing the collaborative calibration error tree, the dynamic error and the coupling error atlas to generate a global error atlas, and completing alignment assembly system error modeling based on the CCD camera. According to the invention, the precision and applicability of error modeling are improved.

The invention relates to the technical field of surface mounting, and discloses an SMT (Surface Mount Technology)-based patch vision correction method, which comprises the following steps: S1, a calibration stage: constructing a double-coordinate system mapping model based on a PCB (Printed Circuit Board) plane, and establishing a nonlinear distortion compensation matrix according to the patch thickness; s2, a pickup stage: a CCD shooting camera is arranged at the top of the suction nozzle, a top CCD is triggered to shoot when the suction nozzle picks up an element, and pin coplanarity data is extracted; s3, a positioning stage: setting a reference point at the top of the PCB, scanning the PCB reference point through a CCD, and calculating a deviation between an actual position and a theoretical coordinate by using an algorithm processor; and S4, compensation execution: the motion shaft system dynamically adjusts the mounting path according to the deviation vector. The visual correction method based on SMT pasting has the advantages of accurate pasting and the like, and solves the problems of pasting position offset, low efficiency and unstable precision caused by factors such as vibration of an element feeder, mechanical transmission errors and thermal deformation of a PCB (Printed Circuit Board) due to dependence on manual calibration in the existing SMT pasting process.

The invention discloses a synchronous lamination injection mold, and relates to the technical field of injection molds, the synchronous lamination injection mold comprises a fixed mold seat plate, the right side of the fixed mold seat plate is sequentially provided with two first cushion blocks, a fixed mold plate, a first mold cavity, a second mold cavity, a movable mold plate, two second cushion blocks and a movable mold seat plate; according to the device, the corrosion degree and the damage degree between the mold opening rack and the mold splitting gear can be observed in real time by controlling the CCD camera to be started at first, so that timely alarm and maintenance are facilitated, and then the inner push plug can be driven to push lubricating oil by controlling the oil conveying air cylinder to be started; at the moment, the liquid conveying pipe can convey the lubricating oil to the joint of the mold opening rack and the mold splitting gear in multiple directions, so that the lubricating oil can be uniformly conveyed to the surface of the moving mold opening structure, and the surfaces of the rack and the gear are always in an optimal lubricating state by accurately controlling the conveying amount of the lubricating oil; and the fluency of the left and right double-layer templates during mold opening is effectively improved.

The present application provides a method for performance evaluation and structure optimization of a high-power semiconductor laser chip, and a system for performance evaluation. Wherein the method for performance evaluation of a high-power semiconductor laser chip comprises: setting a window in an N-surface electrode of a chip to be tested; maintaining the chip to be tested in an operating state, wherein spontaneous radiation is generated in an active area of a quantum well of the chip to be tested; imaging the spontaneous radiation at a position outside the chip to be tested; acquiring, by using a spectrometer outside the chip to be tested, a spectrum of the spontaneous radiation to obtain a two-dimensional distribution of temperature of the quantum well of the chip to be tested in the operating state; and acquiring, by using a CCD camera outside the chip to be tested, an image of the spontaneous radiation to obtain a two-dimensional distribution of carriers in the quantum well of the chip to be tested in the operating state. The method for performance evaluation and structure optimization of a high-power semiconductor laser chip provided by the present application can get the temperature distribution and the carrier concentration distribution of the chip to be tested in the operating state with a resolution that is freely adjustable, the operation is convenient and easy to implement, and the accuracy of evaluation results is effectively improved.

The invention relates to the technical field of laser cladding, in particular to a space three-dimensional green repair forming metal remanufacturing system with coaxially arranged light materials. Comprising a laser cladding nozzle, an adjustable nozzle module connected to one end of a powder conveying pipe in the laser cladding nozzle, a gas cylinder used for conveying gas into the adjustable nozzle module, a pressure relief module used for discharging the gas in the adjustable nozzle module and a CCD camera module used for monitoring the state of a molten pool on a substrate in real time. Through cooperation of the adjustable nozzle module, the gas cylinder and the pressure relief module, the adjustable nozzle module can adjust the size of a nozzle in real time according to the part forming requirement, then stacking type green repairing of formed parts with different section sizes is achieved, the operation steps are greatly simplified, the forming period is shortened, cost reduction and efficiency improvement are achieved, and the production efficiency is improved. Meanwhile, by means of the design of the CCD camera module, it is guaranteed that the cladding precision of the formed material piece is always kept at a high standard, and the quality of the formed material piece is effectively guaranteed.

The invention relates to the technical field of corrugated board detection, and particularly discloses a corrugated board stacking defect detection method and system based on machine vision, and the method comprises the steps: carrying out the time-sharing triggering of a side annular LED array light source and a top vertical diffusion light source of a stacking transmission line, and enabling an industrial CCD camera to synchronously obtain reflected light, transmission light and visible light channel images; fusing image features to generate a defect response map; eliminating corrugated texture interference through adaptive Gaussian filtering; dynamically adjusting high and low thresholds based on the maximum value proportion of the defect response map in combination with illumination; segmenting and merging candidate defect areas and calculating initial stacking defect indexes; and eliminating illumination artifacts in combination with the structural similarity index to finally obtain a real defect index. According to the method, the stacking defect detection accuracy is effectively improved, the missed and false alarm rate is reduced, the detection requirements of illumination fluctuation and bent edge washboard defects can be met, and the production quality control requirements of corrugated boards are met.

The utility model provides a visual inspection device. The visual inspection device comprises a mounting bracket; the detection assembly comprises a CCD (Charge Coupled Device) camera and a movable frame, and the movable frame is movably arranged on the mounting bracket along the longitudinal direction; the CCD camera is movably arranged on the movable frame along the transverse direction; the illuminator is arranged on the mounting bracket and is used for providing a light source; and the light reflecting assembly is arranged in the shooting direction of the CCD camera, the light reflecting assembly comprises a light reflecting plate and a driver, and the driver is in driving connection with the light reflecting plate. The movable frame moves on the mounting support in the longitudinal direction to drive the CCD camera to move in the longitudinal direction, and the CCD camera moves on the movable frame in the transverse direction, so that the center of the CCD camera is calibrated to coincide with the center of the film pasting station; the light reflecting plate is driven by the driver to move along the vertical direction, so that the reflecting surface of the light reflecting plate can reflect the light onto the wafer, and the accuracy of detecting the film pasting position of the wafer is improved.

The invention relates to the technical field of chemical pipelines, and discloses a pipeline leak detection device with an adjusting function and an implementation method. The device comprises an upper frame body, a lower frame body and a CCD camera, the upper frame body and the lower frame body are each of a semi-ring structure, the upper frame body and the lower frame body are connected on the outer side of a pipeline through a quick release mechanism to form a ring shape, and under the cooperation of a driving mechanism and an obstacle crossing mechanism, the leakage detection device is driven to move on the pipeline; the rotation driving mechanism drives the CCD camera to rotate around the pipeline so as to comprehensively photograph the pipeline; an electric push rod on the obstacle crossing mechanism is used for controlling contact and separation of moving wheels and the pipeline, alternate supporting is achieved, and flange crossing operation is completed; the distance between the upper frame body and the pipeline and the distance between the lower frame body and the pipeline are adjusted, so that the pipeline is located in the center of the leak detection device. The leak detection device automatically moves and automatically crosses obstacles, a CCD camera does not need to be held by a hand for photographing and leak detection, the workload of pipeline leak detection is reduced, the efficiency of pipeline leak detection is improved, the leak detection device is suitable for different pipe diameters, and the applicability of the leak detection device is improved.

A welding guiding method, comprising: outputting a pulse signal by means of an encoder on the basis of a rotating angle of a turret-based welding device, and outputting a control signal by means of a controller on the basis of the pulse signal; a galvanometer system performing laser dotting on preset point positions of battery carriers on the basis of the control signal to obtain initial coordinate points; a CCD camera photographing the battery carriers on the basis of the control signal to obtain target image data; capturing coordinate data of the initial coordinate points on the basis of the target image data to obtain initial coordinate data; performing affine transformation calculation on the initial coordinate data on the basis of an affine transformation model obtained by means of pre-calibration to obtain target coordinate data; and on the basis of the target coordinate data, guiding the turret-based welding device to weld. According to the method, the turret-based welding device can be guided to accurately weld on the basis of different positions of the battery carriers, thus improving the welding efficiency. The present invention further relates to a welding guiding apparatus and device and a storage medium.