2590results about "Testing optical properties" patented technology

The invention provides an aging test method and device of equipment, the equipment, a medium and a product, and relates to the technical field of laser test. The method comprises the following steps: acquiring a plurality of operation parameters of target equipment; determining the equipment performance stability of the target equipment based on the plurality of operation parameters; determining an aging test parameter combination for the equipment aging test stage of the target equipment according to the equipment performance stability; performing virtual verification of the aging test parameter combination on the target equipment to obtain an evaluation result; based on the evaluation result, correcting the aging test parameter combination to obtain a target aging test parameter combination; and according to the target aging test parameter combination, performing an equipment aging test on the target equipment. According to the invention, the accuracy of the equipment aging test is improved.

The invention relates to the technical field of optical communication, and discloses an optical fiber loss evaluation method and system. The method comprises the steps that an optical fiber sensor collects real-time optical signal data and generates a dispersion velocity data sequence; extracting a fluctuation feature vector by adopting an adaptive filtering algorithm, and determining a dispersion velocity change trend; inputting the change trend and the transmission distance into a neural network model, predicting a loss fluctuation amplitude and generating a prediction loss sequence; calculating a coupling effect correlation coefficient, judging abnormal coupling and outputting an evaluation result; adjusting signal compensation parameters according to an evaluation result, optimizing nonlinear influence and determining a compensated dispersion velocity value; calculating a signal attenuation factor according to the compensated dispersion velocity value and the transmission distance, and generating an optimized transmission scheme; and updating optical communication network parameters according to the scheme, outputting stable signal quality and generating an optical fiber loss evaluation result. According to the invention, the problem of inaccurate evaluation caused by nonlinear fluctuation and signal coupling is solved, and the stability of optical fiber transmission and the signal quality are improved.

The invention provides a zero offset detection device and method for an optical aiming device. The device comprises a laser cross emitter, an attenuation piece, a test target plate, a camera and a PC terminal. The attenuation sheet is arranged at the light path output end of the laser cross-shaped emitter and is located between the laser cross-shaped emitter and the test target plate; the test target plate is arranged in the laser emitting direction of the attenuation sheet, and a preset distance is formed between the test target plate and the laser cross emitter; the optical axis of the camera is aligned with the test target plate, and the camera is used for collecting a laser image on the test target plate and sending the laser image to the PC terminal; and the PC terminal controls the camera to move to coincide with the cross center of the target plate in a cross division manner, records the movement amount and calculates the zero offset. According to the invention, the problems of complex zero offset detection process, low safety and insufficient precision can be solved.

The invention discloses a primary and secondary mirror combined detection system and method for a beam shrinking system, and belongs to the technical field of optical detection.The method comprises the steps that a first micro-spherical mirror and a second micro-spherical mirror are arranged, reflection light spots are captured through an interferometer, the position offset is calculated, and a first control instruction for adjusting the pose of a secondary mirror is generated; a dual-band light source is integrated in a detection light path, wavefront data and alignment monitoring data are collected, and temperature drift is corrected to obtain effective combined wavefront; an error separation model is constructed based on the primary mirror compensator parameter and the Zernike aberration coefficient, and a primary mirror surface shape error component and a secondary mirror offset error component are decoupled and separated by using a preset aberration coupling coefficient; feeding the error component back to a polishing process and a displacement table for closed-loop iterative correction until the RMS value and the PV value of the effective combined wavefront meet a preset imaging quality index; through precise positioning, error correction and decoupling separation, the precision and efficiency of primary and secondary mirror combination detection are improved, and targeted correction is realized.

The invention relates to a laser galvanometer detection system with temperature drift self-detection and correction functions. The laser galvanometer detection system comprises an error judgment module and an error calibration module, the error judgment module comprises a CMOS image sensing module, a visual detection module and a storage module; the error calibration module comprises a calibration module and a laser marking module; the CMOS image sensing module is used for shooting a high-definition image, and the visual detection module can generate a prediction image and perform deviation identification on the image shot by the CMOS image sensing module. According to the invention, the temperature drift error is automatically detected through real-time detection of the position drift error of each visual single detection area in the galvanometer processing breadth, and each visual single detectable area is detected one by one to form an adjacent array, so that the temperature drift error detection of the whole processing breadth is realized; and comparing the difference between'theoretical due 'and'actual existing' through an intelligent algorithm so as to detect, compensate and correct the error in real time.

The invention relates to an optical distortion test system and method. According to the method, a light source assembly is used for outputting projection light; the target assembly is fixed in front of the projection light output end of the light source assembly. The to-be-tested assembly is located on the side, away from the light source assembly, of the target assembly and connected with the adjusting assembly. The adjusting assembly comprises a pitching adjusting sub-assembly, a horizontal adjusting sub-assembly, a height adjusting sub-assembly and an inclined sub-assembly, the pitching adjusting sub-assembly is used for ensuring that the to-be-detected assembly is perpendicular to the projection optical axis, and the horizontal adjusting sub-assembly and the height adjusting sub-assembly are used for ensuring that the optical center of the to-be-detected assembly is coaxial with the projection optical axis and the lens center of the detection assembly; the inclined sub-assembly is used for adjusting a space angle between an optical central axis of the to-be-detected assembly and a projection optical axis of the light source assembly so as to detect edge distortion of the to-be-detected curved surface element; the detection assembly is located on the side, away from the to-be-detected assembly, of the adjusting assembly and used for shooting a projection image of the target assembly which generates distortion after being acted by the to-be-detected assembly.

The invention discloses a vehicle-mounted HUD optical performance comprehensive detection method, and aims to solve the problems that a traditional detection method depends on manual operation and is low in detection efficiency and large in error. Project loading and test starting, picture height position calibration, multi-parameter test, brightness and chromaticity test, ghosting test, static distortion test and binocular parallax test items are automatically implemented through detection equipment, and accurate control (such as application of camera pixel-millimeter ratio) of advanced image recognition algorithm and equipment in the test process is carried out. The vehicle machine controls the step number of the curved mirror motor, and the industrial personal computer controls the motion module, so that high-precision measurement of optical parameters is realized, and the test efficiency and the test accuracy are improved.

The invention discloses a liquid crystal display filtering and light transmission performance monitoring system and a monitoring method thereof, and relates to the technical field of liquid crystal displays. An ambient light real-time monitoring module; a dual-optical-path differential measurement module; a signal processing and intelligent compensation module; a polarizer dynamic adjustment module; a data storage and analysis module; light intensity fluctuation data are collected in real time through an ambient light real-time monitoring module, reference light and transmission light are synchronously collected through a double-light-path differential measurement module, a signal processing and intelligent compensation module calls a self-adaptive algorithm library, compensation coefficients are calculated in combination with ambient light spectrum data, and a polaroid adjusting instruction is generated. And then an adjusting instruction is sent to the polaroid dynamic adjusting module through the CAN bus, the polaroid dynamic adjusting module feeds back an actual thickness value in real time after adjustment is completed, closed-loop control is formed, and through real-time compensation of ambient light and dual-light-path differential measurement, the influence of a station LED lamp and natural light is eliminated, and the monitoring precision of light filtering and light transmission performance is improved.

The invention relates to the technical field of projection, and discloses a method, a device and equipment for measuring a projection ratio and an off-axis ratio, and a medium. The method comprises the following steps: acquiring a projection test image obtained by sampling a projection area and a reference area by an image sampling device of the projector; performing area feature extraction processing on the projection test image to obtain image size information and central point pixel information of a projection area and image size information of a reference area; determining the projection ratio of the projector based on the image size information of the projection area, the projection distance information of the projector and the image size information and the actual size information of the reference area; and determining the off-axis ratio of the projector based on the central point pixel information of the projection area, the optical axis pixel information of the projector and the image size information and the actual size information of the reference area. According to the embodiment of the invention, the cost of measuring the projection ratio and the off-axis ratio can be reduced.

The invention provides a health state prediction method for an 8K display device, and relates to the technical field of display health prediction.The health state prediction method comprises the steps that a multi-modal feature vector is extracted from each pixel node of a multi-modal frequency spectrum image, a mutual information feature vector of the multi-modal feature vector is calculated, and subtle changes of cooperative work among different physical attributes in the nodes are captured; on the basis, each pixel node is further regarded as a node in a pixel node grid, the connection weight is quantized by calculating the norm of a mutual information feature vector of the pixel node and obtaining the similarity between adjacent nodes, then the attenuation rate of the connection weight of a continuous time window is calculated, the distribution entropy value of the attenuation rate is analyzed, and a stability degradation entropy index is obtained; trivial connection change information is condensed into a quantitative index representing the overall orderliness decline degree of the system, then time sequence prediction is carried out on an entropy index historical sequence, the expected time of the entropy index historical sequence reaching the dynamic control upper limit is calculated, and the crossing from current state monitoring to future trend prediction is achieved.

The invention discloses display screen defect detection equipment. Comprising a machine table, a working table arranged on the machine table, a workpiece fixing mechanism which is arranged on the working table and used for fixing a display screen, a detection strip located above the working table, a first driving mechanism for driving the detection strip to move transversely, and a second driving mechanism for driving the detection strip to be in an arc shape. The auxiliary air bag is arranged in the detection strip and is linked with the control module, so that accurate coordination of active driving and passive compensation is realized. Compared with an existing pure active system, the problem that curvature adaptation is insufficient due to a rigid structure in the loading driving process is effectively solved, meanwhile, the compatibility problem that a traditional passive system needs to reconstruct an equipment framework is solved, and the universality of the system is improved. And the adaptability of the detection equipment to multiple types of curved screens is obviously improved.

The invention relates to the technical field of LED lamp testing, and discloses an LED lamp testing method and device, testing equipment, a testing system and a storage medium, and the method comprises the steps: generating a corresponding adjustment parameter based on a preset adjustment instruction, and transmitting the adjustment parameter to a to-be-tested device, the to-be-tested equipment is used for adjusting the LED lamp and the camera according to the adjusting parameters; sending a shooting instruction to the to-be-tested equipment, so that the to-be-tested equipment irradiates the standard color card with light emitted by the adjusted LED lamp, and shooting the standard color card through the adjusted camera to obtain a target image; and obtaining a test result corresponding to the LED lamp according to the target image. According to the invention, through synchronous adjustment and collection of cooperative output of illumination and imaging under a controllable condition, integrated performance evaluation of the LED lamp on the to-be-tested device is realized, and a single LED lamp does not need to be disassembled to be tested, so that the test process is simplified.

The invention provides a production equipment state real-time analysis method and system based on edge calculation, and relates to the technical field of information, and the method comprises the steps: analyzing the dynamic change trend of a light beam central axis according to the offset trajectory of the light beam central axis, and determining the spatial distribution characteristics of the light beam axis through the dynamic change trend of the light beam central axis in combination with an LED array arrangement SIC mode; if the adjustment angle in the lens calibration instruction set exceeds a preset angle threshold, dynamically adjusting the position of the optical axis of the lens according to the offset amplitude and direction of the optical axis, compensating the offset of the light beam axis in real time, and obtaining a calibrated optical axis parameter; according to the color temperature distribution uniformity, determining a target lens position through a lens position adjustment attribute; according to the calibrated optical axis parameters and color temperature distribution uniformity, stable light beam center axis distribution is determined, spectrum consistency is determined, and a performance evaluation data set is obtained through comprehensive evaluation.

The invention discloses a hollow-core fiber fusion coupling loss evaluation method and device, and the method comprises the steps: firstly collecting a cross-section image of a first hollow-core fiber fusion end, enabling laser to pass through the cross-section image, then collecting a light field distribution image of emergent light of the fusion end, and carrying out the fitting, thereby obtaining a nested tube circumcircle and a light field fitting regular polygon; welding the two hollow-core optical fibers, and acquiring a cross-section image of a non-welding end of the second hollow-core optical fiber and a light field distribution image after the laser is introduced to complete the same fitting; and finally, inputting the related geometric parameters before and after welding into a preset evaluation model to obtain welding loss. According to the invention, accurate and real-time evaluation of the welding loss is realized.

The invention relates to the technical field of LED display testing, in particular to an LED screen backlight module performance testing system which comprises the steps that a model identification code of a module to be tested is received, a corresponding standard optical parameter set is called, and initial driving current is applied. Actual optical signals driven by different currents are collected through a light sensing probe array and converted into a digital optical measurement value set containing brightness and color coordinate values of multiple sampling points. Comparing the brightness measurement value with a target brightness value point by point to generate a brightness consistency deviation matrix; and judging the color coordinate measurement value and the target range, and generating a color coordinate qualified identifier list. And calculating an actual brightness uniformity value according to the deviation matrix, and comparing the actual brightness uniformity value with a standard threshold value. And if the actual brightness uniformity value reaches the standard and the color coordinates of all the sampling points are qualified, generating a module qualification judgment instruction. According to the system, automatic and high-precision comprehensive evaluation of brightness space uniformity and chromaticity consistency of the backlight module is realized.

The invention belongs to the field of optical detection, and particularly relates to a synchronous calibration method for a geometric pose and an optical axis error of a reflective phase deflection system, which comprises the following steps of: taking a plane mirror pose as a reference, establishing redundant geometric constraints under a plurality of poses through mirror image reflection, and jointly solving geometric external parameters of the system; and meanwhile, a reverse ray tracing model and a normal integral model are synchronously constructed in a calibration stage, surface shape data are actually measured by combining an interferometer, a system optical axis error field is explicitly stripped, and decoupling separation of a system structure error and a surface shape error is realized. According to the method, the system building process is greatly simplified, the dependence of a high-precision mechanical auxiliary device is avoided, and the overall detection precision and the low-frequency error control capability of the reflective phase deflection system are effectively improved by synchronously modeling and compensating the optical axis error of the system in the calibration stage; and a technical basis with engineering adaptability is provided for high-precision free-form surface optical detection.

The invention discloses an on-line brightness uniformity automatic test method and system, and relates to the technical field of brightness test, and the method comprises the following steps: obtaining a stroboscopic signal of an illumination light source in a test environment, and extracting the stroboscopic characteristic frequency of the illumination light source through a frequency domain analysis algorithm, establishing a phase tracking baseline between the frequency of the illumination light source and a sampling clock of the optical detection equipment, and constructing a phase difference mapping matrix based on the baseline; and based on the phase difference mapping matrix, constructing a self-correction model of the sampling clock of the optical detection equipment. Through phase tracking and self-correction control, optical sampling and illumination frequency are synchronized for a long time, brightness fluctuation caused by stroboscopic aliasing is eliminated, and measurement stability and consistency are improved; and through frequency domain residual suppression and brightness index re-calibration, closed-loop control from sampling to output is realized, so that the detection result is higher in precision, the judgment is more reliable, and accurate support is provided for brightness detection and quality tracing of a production line.

The invention discloses a display screen defect detection system and a use method thereof. The use method comprises the following steps: S1, controlling a workpiece fixing module to adsorb and fix a display screen placed on a working platform; s2, acquiring edge curvature data of the display screen through a curvature identification module, and sending the edge curvature data to a central control module; s3, the central control module generates a first control instruction based on the received curvature data, the central control module drives the fluid control unit to precisely regulate and control the gas supply amount of each gas bag according to the edge data obtained by the curvature recognition module through the flexible supporting structure formed by connecting the rotatable subunits in series and the pneumatically-driven deformation driving part, and the gas supply amount of each gas bag is adjusted and controlled. And the bending radian of the self-adaptive detection module is dynamically matched with the curvature of the display screen. Metal wires and reinforcing wires in the air bag cooperatively provide structural support and cooperate with magnetic sheets to adsorb a magnetic field to stabilize the rotation angle, and it is ensured that the lighting unit and the image acquisition assembly strictly follow the curved surface profile.

The utility model discloses a silicon optical wafer test device and an alignment coupling mechanism and a test system thereof. The alignment coupling mechanism comprises an optical fiber coupling module, a piezoelectric displacement table and a tail end connecting structure which are connected in sequence. The optical fiber coupling module comprises three translation assemblies and three rotating assemblies which are sequentially connected in series; the three translation assemblies are used for driving the tail end connecting structure to do translation motion in the first direction, the second direction and the third direction correspondingly. The three rotating assemblies are used for driving the tail end connecting structure to rotate with the first rotating shaft, the second rotating shaft and the third rotating shaft as the center correspondingly. The first direction, the second direction and the third direction are vertical in pairs; the first rotating shaft, the second rotating shaft and the third rotating shaft are perpendicular pairwise. Each assembly only needs to achieve motion adjustment on one degree of freedom, the function is single, precise control over motion adjustment is facilitated, all the assemblies only need to be sequentially connected in series, spliced and connected, implementation is simple and easy, and equipment cost can be reduced.

The invention relates to the technical field of optical precision measurement, in particular to an ultra-high time resolution camera time characteristic detection device and method, and the device comprises a laser source which is used for generating pulse laser; the polarization modulation element is arranged on an emergent light path of the laser source and is used for modulating the pulse laser into circularly polarized light; the spectroscope is arranged on an emergent light path of the polarization modulation element and is used for decomposing the circularly polarized light into a first linearly polarized light beam and a second linearly polarized light beam; the first optical path unit is used for guiding the first linearly polarized light beam to the cylindrical optical element along a fixed optical path; the second optical path unit is used for adjusting the optical path of the second linearly polarized light beam and guiding the second linearly polarized light beam to the cylindrical optical element; and the cylindrical optical element is used for receiving the first linearly polarized light beam and the second linearly polarized light beam and respectively projecting the first linearly polarized light beam and the second linearly polarized light beam to an imaging surface of a camera to be detected to form two spatially separated light spots. The objective of the invention is to improve camera time characteristic calibration precision and efficiency.

An optical path testing device and an optical path testing method divide output light from a laser light source into a probe optical path and a local optical path and convert modulated light obtained by modulating input light of the probe optical path into probe light including pulsed light, generate a beat signal by causing signal light and input light of the local optical path to interfere with each other, acquire a signal indicating backscattered light in the optical fiber on the basis of the beat signal, and analyzes a loss distribution, generate the modulated light by performing, on the output light, modulation based on a frequency changing from a start frequency to an end frequency, generate an analysis signal by averaging the backscattered light in each different frequency band included in the beat signal between the different frequency bands and acquire the loss distribution.

The invention discloses focus ray paraboloid detection equipment and a use method, and belongs to the field of solar reflector precision detection. The device comprises a ray source, a scale and a keel, rays or extension lines of the rays of the ray source penetrate through a paraboloid focus to be detected, a dial corresponding to the rays is arranged on the scale, the original point of the dial and an intersection point ray source are located on the same paraboloid, and the ray source and the scale which are located on the same paraboloid are fixedly connected through a support. The bracket and the ray source form a focus ray paraboloid detection unit; the focus ray paraboloid detection units are arranged in parallel and are perpendicular to the keel; each focus ray paraboloid detection unit is divided into a left group and a right group which are symmetrical, and the left-right distance between the inner sides is larger than or equal to the outer diameter of a heat collecting pipe of a detected paraboloid heat collector. According to the invention, a detection result and an adjustment target can be formed on site after regular operation and detection on an application site.

The invention relates to the technical field of aging test, and discloses a laser chip accelerated aging test method, which comprises the following steps: synchronously measuring the optical power, the threshold current, the slope efficiency and the emergent wavelength of a laser chip in an accelerated aging environment to obtain a time sequence data matrix; performing double sparse dictionary decomposition on the time series data matrix to obtain a normal feature coefficient and a degradation feature coefficient; calculating a target characteristic value of the time-varying covariance matrix based on the degradation characteristic coefficient, and generating a dynamic characteristic value sequence and a corresponding degradation stage identifier according to the target characteristic value; and based on the degradation stage identifier, inputting the dynamic characteristic value sequence into a life prediction model for life prediction, and obtaining the remaining service life. The method can accurately capture the nonlinear characteristic and the time evolution mode of the laser chip degradation process, automatically identify the time period characteristic which contributes to life prediction, and improve the service life of the laser chip. And the accelerated aging test accuracy of the laser chip is improved.

The invention relates to the technical field of optical detection, and particularly provides a mirror surface detection method for a large-aperture spliced telescope, which comprises the following steps of: emitting light from a focus position by using a light source, reflecting the light through a mirror surface of the large-aperture spliced telescope to enter a discrete lens arranged at the rear end, and splitting the light by using a spectroscope to obtain a split light beam; the first light beam enters the camera to obtain interference fringes of the splicing seams, the second light beam enters the optical switch to carry out aperture coding, and the mirror surface precision of the large-aperture spliced telescope can be determined according to the code of each splicing seam and the confocal and co-phase information of the sub-reflectors on the two sides of the splicing seam. According to the invention, splicing seam detection is carried out through focus reverse auto-collimation, the problem that an oversized collimator is needed traditionally is avoided, point-by-point detection is carried out on the sub-reflectors according to the splicing seam, and confocal and co-phase detection of the adjacent sub-reflectors is realized according to interference fringes.

The utility model discloses silicon optical wafer test equipment. The silicon optical wafer test equipment comprises a camera assembly, a deflection optical path assembly, a probe station and an optical fiber coupling module, the driving assembly is used for driving the probe station and the deflection optical path assembly to move to the lower part of the camera assembly and the optical fiber end part of the optical fiber array in a mutual switching manner; the optical fiber coupling module is used for clamping the optical fiber end part of the optical fiber array; when the probe station moves to the position below the camera assembly, a cross cursor of a camera of the camera assembly is adjusted to be parallel to a cutting channel of the silicon optical wafer; when the deflection light path assembly moves into the imaging view field of the camera assembly, the camera assembly is used for collecting a first lateral image and a second lateral image through the deflection light path assembly and collecting a vertical image; and adjusting the end part of the optical fiber by using an optical fiber coupling module according to the image, so that the end part of the optical fiber and the optical waveguide are aligned and coupled. According to the application, the operation difficulty and the equipment structure for realizing alignment coupling between the optical fiber end part and the silicon optical waveguide are simplified, and the equipment cost is reduced.

The invention relates to the technical field of laser light source measurement, and discloses a wide-range narrow-linewidth laser wavelength and linewidth measurement system, which can be flexibly matched with the center frequency of laser to be measured through the arrangement of a tunable laser, breaks through the strict limitation of the existing beat frequency method on the center frequency, effectively expands the measurement range, and improves the measurement accuracy. By combining the synergistic effect of the absorption cell and the locking loop, the system stability is improved, the measurement precision of narrow linewidth laser is guaranteed, the integration time can be flexibly adapted without tedious adjustment of a delay optical path or change of parameters of acquisition equipment through the cooperation of the optical modulator and the delay optical fiber, the problem of inconsistent measurement resolution under different integration time is avoided, and the measurement accuracy is improved. And the accuracy of short-time measurement is obviously improved. The system integrates wavelength and line width measurement functions, can measure line width, center wavelength and long-time frequency stability of to-be-measured laser, is reasonable in structural design, retains the advantage of high precision of a beat frequency method, overcomes the defects that an existing method is narrow in measurement range and inconvenient to adjust integral time, and improves the measurement accuracy of the to-be-measured laser. And the measurement requirements of wide-range and narrow-linewidth laser are met.

The invention relates to a device (15) for determining the transmission and / or reflection behavior of at least one optical element, in particular mirrors (M1-M10), of a lens (7) comprising several optical elements, an image plane (9), and an object plane (5), in particular an EUV lens, with at least one light source (2), at least one sensor (16, 17), and a useful beam path (N). It is provided that at least one optical test element (18, 19) of the device (15) is arranged or can be arranged in the object plane (5) or in the image plane (8), and that the test element (18, 19) is configured such that it generates a test beam path (T1, T2) in the object plane (5) or the image plane (9), through which the light from the light source (2), influenced by the at least one optical element, is directed to the at least one sensor (16, 17) located outside the useful beam path (N).

The invention discloses an abnormal section positioning method suitable for a hollow-core optical fiber cable and a special test disc tool, and belongs to the technical field of hollow-core optical fiber cables, and the method comprises the following steps: configuring the special test disc tool and a test device; coiling the hollow-core optical fiber cable to be tested on the special test disc in a partitioned manner; performing a power return-to-zero test on the test device; connecting the testing device to the inner and outer ends of the to-be-tested hollow-core optical fiber cable, and carrying out primary measurement; and judging whether the result is abnormal or not, removing the hollow-core optical fiber cable in a partition cutting mode after the result is abnormal, connecting the remaining optical cable into the test device for re-measurement, and gradually switching the inner end and the outer end of the test optical cable in the partition cutting mode until the abnormal section of the optical cable is positioned. According to the method provided by the invention, the problem that the abnormal section positioning requirement of the optical cable cannot be met by a conventional winding method can be effectively solved, repeated rewinding of the hollow-core optical fiber cable is avoided, and the efficiency and precision of positioning the abnormal section of the hollow-core optical fiber cable are improved.

The invention discloses vehicle-mounted display screen white balance online detection equipment, and relates to the technical field of display screen detection, the vehicle-mounted display screen white balance online detection equipment comprises a conveyor, a conveying chain plate arranged on the conveyor, and a camera and a plurality of display screen bodies which are arranged above the conveying chain plate, the moving mechanism comprises a transverse linear module, a vertical linear module and a laser profile sensor which are arranged above the conveyor; through the designed moving mechanism, when equipment normally operates, a laser contour sensor can accurately scan the curved surface contour of a display screen body and obtain radian data, a transverse linear module and a vertical linear module can drive a camera to complete position movement in the horizontal direction and the vertical direction, and the inclination angle of the camera is adjusted in cooperation with a driving motor; the position and the angle of the camera are flexibly adjusted according to the curved surface contour of the display screen body, and when the laser contour sensor breaks down, the automatic mode can be switched into the manual mode, so that continuous detection work is realized.

The invention relates to a structured light illumination confocal super-resolution measurement system and method, and relates to the technical field of optical measurement. The system comprises a digital micromirror device (DMD), a sample platform, an electric displacement platform, a microscopic imaging assembly, a complementary metal oxide semiconductor (CMOS) imaging assembly and computer equipment, and the DMD is used for adjusting the point light source array and the structured light field. According to the DMD-based confocal super-resolution measurement method, a structured light field and a signal-noise separation technology are combined, and high-precision and high-resolution three-dimensional surface reconstruction can be realized. By using the flexibility of the DMD and the advantages of the super-resolution technology, the spatial resolution and speed of confocal imaging are effectively improved, so that the measurement process is more accurate. In addition, low-rank decomposition and self-supervised deep learning methods are fused, the image reconstruction process is optimized, noise interference is suppressed, and the overall performance of the system is further improved.