88 results about "Laser projector" patented technology

The invention discloses an immersed tube butt joint installation method and system based on laser ranging and visual recognition, and belongs to the technical field of ocean engineering. The method comprises the steps that a laser target set is installed on the butt joint end face of an installed pipe joint, and a laser positioning set and a laser projector are installed on the butt joint end face of a to-be-installed pipe joint; after the to-be-installed pipe joint sinks, the laser positioning group is started to measure the distance to the target group in real time, meanwhile, parallel light beams are emitted to the other end face of the to-be-installed pipe joint through the laser projector, and the position of a light spot is collected through visual recognition to obtain posture deviation; the distance and deviation data are fused, the optimal pose of the pipe joint to be installed is calculated through an optimization algorithm, and then the offset of the end face center and the axis deflection angle are obtained; and according to the parameters, a regulation and control instruction is generated, and the ballast water system and the winch system are controlled to adjust the posture of the to-be-installed pipe joint till accurate butt joint is achieved. According to the invention, full-underwater, high-precision and automatic immersed tube butt joint is realized, and the dependence on an overwater measuring tower and a GPS (Global Positioning System) is eliminated.

An ice leveling system involves a laser receiver mountable on an ice conditioning head of an ice resurfacing machine below a top-most portion of the ice resurfacing machine and at least two laser projectors that project laser light in a plane below a level of the top-most portion of the ice resurfacing machine. The at least two laser projectors are mountable adjacent to an ice surface and are positionable around the ice surface so that the laser receiver when mounted on the ice resurfacing machine always receives the laser light from at least one of the at least two laser projectors during an ice leveling operation. At least one of the at least two laser projectors is height adjustable to align the laser light plane projected by the height adjustable laser projector with the laser light plane of others of the at least two laser projectors.

1. The name of the design product: projector (smart laser projector). 2. The use of the design product: used as a laser projector for playing high-definition multimedia. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

Provided is a method for underground mining overbreak minimisation comprising the steps of, via a data interface, receiving survey data of a drive face, said survey data generated by a survey laser from a survey position relative to said drive face; via a controller, correlating the survey position of the survey laser with a mine engineering plan and determining an optimal drill pattern, drill angle, drill depth and / or drill direction to direct a drive heading to a desired ore body; and via a laser projector locatable at a projection position, projecting said optimal drill pattern, drill angle, drill depth and / or drill direction onto said drive and / or face to facilitate a drill operator in drilling blast holes to direct a cut towards said desired ore body.

The utility model relates to a kind of structure of intelligent laser projector, including lower cover module, the lower cover module is installed with surrounding frame and the light machine module, heat dissipation module, power board, circuit board and loudspeaker module in the inboard of surrounding frame, located heat dissipation module's left, right side is equipped with air outlet fan and air inlet fan, the left, right side of surrounding frame is provided with ventilation structure, and the upper end of surrounding frame is installed with upper cover, located the front side of surrounding frame is provided with camera module, ranging module and the lens support assembly of light machine module. The projector structure is compact and easy to assemble, and air inlet fan and air outlet fan are matched, which helps to ensure the heat dissipation effect.

1. The name of the design product: short-focus laser projector. 2. The use of the design product: for projection. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view 1.

The invention discloses a windowing type front edge forming mode in the technical field of composite materials. The windowing type front edge forming mode comprises the following steps: S1, positioning; determining the position of the design window on the leading edge component; s2, outer skin forming, wherein composite prepreg is laid on the mold and cured, and the outer skin is formed; a first bonding layer, a honeycomb core, a second bonding layer, the inner skin and an electromagnetic shielding layer are sequentially laid on the surface of the outer skin, a honeycomb window is formed in the position, corresponding to the design window, of the honeycomb core, and the inner skin covers the edge of the honeycomb window to form a local reinforcing structure; and S4, overall curing is conducted, specifically, the laid structure is cured, and the windowing type front edge is obtained through demolding after curing. The laser projector is used for comparing the position of the projection pattern with the position of the datum point on the mold and gradually performing fine adjustment, accurate positioning of the design window is achieved, traditional manual measurement marking is replaced, personal errors are reduced, and product consistency is remarkably improved.

The present application relates to plate positioning technical field, specifically to a kind of mobile laser positioning device for precision plate cutting, including linear motor and sliding seat, the shell bottom of the linear motor is fixedly installed with sliding seat;It further includes sliding block fixedly connected on the linear motor mobile, the sliding block is rotatably connected with mounting block, the mounting block is fixedly installed with guide rail, the mobile frame is slidably arranged on the guide rail, the mobile frame one side is equipped with laser projector, the guide rail is installed with pneumatic telescopic pipe, one end of the pneumatic telescopic pipe is connected with guide rail, the other end of the pneumatic telescopic pipe is connected with mobile frame.The present application is adjusted to the height of laser projector in vertical direction by linear motor, and the horizontal position is fine-tuned by cooperating pneumatic telescopic pipe drive, can flexibly control laser projection position, can be folded and stored to linear motor nearby after use, realize quick storage and save use space, it is convenient to move and multi-scene application.

This invention relates to the field of bus assembly technology and discloses an adaptive guidance device and positioning method for bus body frame assembly. The device includes: a support frame; a moving part comprising a horizontal moving component mounted on the support frame and a lifting component mounted at the bottom of the horizontal moving component, the lifting component having a mounting plate at its end; a three-dimensional laser projector mounted below the mounting plate; two first CCD cameras mounted on the horizontal moving component; and a controller for receiving images captured by the two first CCD cameras, identifying and detecting contour lines based on the images, and then controlling the horizontal moving component and the lifting component to move the three-dimensional laser projector based on the identification and detection information to eliminate thickness or angular distortion of the contour lines. This positioning device and method can effectively improve the positioning accuracy of the rectangular tube frame of the bus body, thereby reducing the cumulative error of rectangular tube welding at large scales, increasing the positioning speed of the rectangular tube, and thus improving the accuracy and production efficiency of bus body welding.

This invention discloses a method for laying out irregularly shaped decorative lines based on 3D laser positioning and BIM. The method includes the following steps: obtaining virtual coordinates of the design curve from the BIM model; converting the virtual coordinates into actual coordinates controlling the laser angle through a rigid transformation model and generating a projection path; pre-treating and coating a photosensitive layer on the construction surface; projecting a laser using a laser projector to excite a visible colored laying out path on the photosensitive layer; and finally marking and solidifying the path. This invention, by combining BIM modeling with a laser projector, transforms the virtual path into an actual laying out path, achieving full automation and high precision in laying out complex irregularly shaped curves, significantly improving the quality and efficiency of decorative construction.

The invention discloses an automobile crash dummy skin material composite strength detection device and method, and relates to the technical field of material mechanics analysis, and the automobile crash dummy skin material composite strength detection device comprises a main body support unit, an impact unit, a stretching unit, an alignment unit and a control unit. The main body support comprises a cross beam, the impact unit is provided with an impact force regulation and control assembly with a punch, a clamping structure on the stretching unit is arranged on the cross beam, a two-dimensional translation sliding table bearing belt turntable is arranged below the cross beam, and the alignment system comprises a cross laser projector and a machine vision unit which are arranged on the cross beam. The height of the impact and stretching unit is adjusted by adjusting the height of the cross beam, the impact force is accurately adjusted by the impact unit, and the dynamic force sensor collects mechanical data in real time; and the stretching unit feeds back adaptive clamping force by means of a multi-force sensor, so that the result is prevented from being influenced. The alignment system realizes translation and rotation of a sample through a two-dimensional translation sliding table and a turntable, and laser positioning and machine vision precise position control are combined, so that the dispersion is reduced. The device can accurately detect the impact and tensile composite strength of the polyurethane material, reduce manual intervention and shorten the test time.

The application relates to a point cloud reconstruction method and device, computer equipment and a storage medium. The method comprises the following steps: controlling a speckle projector and a plurality of laser projectors to simultaneously project speckle features and laser line features to a target object; the plurality of laser projectors work synchronously; two grayscale images of the target object are collected, and a coordinate point set corresponding to the laser line features in each grayscale image is determined; the grayscale images include the laser line features corresponding to each laser projector; a mapping relationship between the coordinate point sets is determined according to the coordinate point set corresponding to each grayscale image and the speckle features corresponding to each grayscale image; and point cloud reconstruction is performed according to the mapping relationship and the coordinate point sets to obtain single-frame point cloud data. Through synchronous working of the plurality of laser projectors, the laser line features corresponding to each laser projector are included in the collected grayscale images, thereby improving the point output of single-frame point cloud, and further improving the scanning accuracy and scanning efficiency of three-dimensional scanning.

The embodiment of the invention belongs to the laser projection technology, and provides a laser. The laser comprises a bottom plate, a frame, a light-emitting chip, a light-transmitting component and a second electric connecting piece, the frame is arranged on the bottom plate, the frame and the bottom plate define a containing space, the light-emitting chip is arranged on the bottom plate and located in the containing space, the light-transmitting component is arranged on the side, away from the bottom plate, of the frame, light beams emitted by the light-emitting chip are emitted through the light-transmitting component, and the second electric connecting piece is electrically connected with the light-emitting chip. A first installation position is arranged on the side, close to the bottom plate, of the frame and comprises a first face, the first face is parallel to the face, close to the bottom plate, of the frame, the second electric connecting piece is connected to the first face, and the second electric connecting piece and the bottom plate are arranged at intervals. The second electric connecting piece can be installed through the first installation position, electric conduction with an external circuit is facilitated, insulation between the bottom plate and the second electric connecting piece is facilitated, short circuit is not prone to occurring between the second electric connecting piece and the bottom plate, and the light-emitting chip is not prone to being damaged.

The utility model relates to a photoetching printing-down machine with accurate alignment, and belongs to the technical field of photoetching printing-down machines. The photoetching printing-down machine with the precise alignment function comprises a workbench, the top end of the workbench is rotationally connected with a plurality of evenly-arranged conveying rollers, a laser projector is installed in the middle of the top end of the workbench, and an alignment mechanism is arranged at the top end of the workbench; a laser projector on a workbench generates a horizontal laser which is aligned with the center of a photoetching printing-down machine, a photosensitive plate is calibrated by taking the axis of the photoetching printing-down machine and a laser level line as a base line, a plurality of positioning rods are embedded into fixing grooves aligned with the two sides of the photosensitive plate, and the positioning rods are in contact with the photosensitive plate through balls at one ends of fixing frames. The two sides of a photosensitive plate can be limited, a threaded rod can drive a limiting block and a rubber pad to make contact with a fixing rod, the position of a rotating ring is fixed, the photoetching printing-down machine can be accurately aligned, and the machining quality of the photoetching printing-down machine is improved.

The application provides a laser projector production line light adjustment and focusing detection method and system, which comprises the following steps: S1, image preprocessing is performed by using Gaussian blur filtering, edge detection, contour discovery and ellipse fitting operation; S2, spot identification is performed by using edge protection filtering, Gaussian curve fitting, binarization processing and ellipse fitting operation; S3, the size and gray scale of the spot are calculated to complete spot checking; S1', light adjustment grid image preprocessing is performed by using Otsu binarization, contour discovery, minimum circumscribed rectangle and image interception operation; and S2', grid checking is completed by image interception, grid gray scale calculation and checking. The application solves the technical problems of difficult accurate identification of spot boundary and difficult quantification of grid line width, improves the efficiency and yield of the light adjustment and focusing process, saves the labor cost, and brings economic benefits to customers.

The invention belongs to the technical field of aeronautical manufacturing, and particularly relates to a method for rapidly manufacturing a fastener packaging tool. Comprising the steps that firstly, an injector, a sealing material, a clamping and cutting tool and an auxiliary tool are prepared; 2, designing a manufacturing scheme of the special injector and carrying out digital modeling to obtain a three-dimensional model of the special injector; 3, importing the three-dimensional model of the special injector into a laser projector, and projecting and positioning a parting line of an injection cylinder; fourthly, the syringe is clamped on the clamping tool; 5, adjusting the section angle of the syringe, and cutting; and step 6, recombining and fixing the cut syringe segmented parts to obtain the fastener packaging tool.

This application provides an image processing method, an image processing apparatus, an augmented reality device, and a medium. The method is applied to an augmented reality device, which includes a laser projector and a camera. The image processing method includes: responding to an image acquisition command, controlling the camera to acquire an image of a target object containing a light spot, wherein the light spot is a bright spot formed by a laser beam emitted by the laser projector projected onto the surface of the target object; determining the pixel coordinates of the light spot in the target object image based on the mapping relationship between the output axis of the laser projector and the imaging optical axis of the camera; acquiring a local image from the target object image based on the pixel coordinates and performing recognition processing on the local image; and displaying the recognition result. This method can quickly locate the light spot and perform recognition processing only on a local image, reducing the difficulty of framing and alignment caused by the deviation between the camera's imaging optical axis and the visual center, reducing computational overhead, and thereby improving the stability and reliability of the recognition result.

A method includes placing a wafer into a production chamber, providing a heating source to heat the wafer, and projecting a laser beam on the wafer using a laser projector. The method further includes, when the wafer is heated by both of the heating source and the laser beam, performing a process selected from an epitaxy process to grow a semiconductor layer on the wafer, and an etching process to etch the semiconductor layer.

The application provides a multi-line laser projector, a camera assembly and an electronic device. The multi-line laser projector comprises a substrate assembly, a plurality of laser light sources and at least one diffractive optical element. The plurality of laser light sources are arranged on the substrate assembly for emitting laser light and arranged in a row along a set straight line direction. The diffractive optical element is used for diffusing the laser light emitted by the plurality of laser light sources along the set straight line direction to form M one-line type projection patterns extending along the set straight line direction, wherein M is a positive integer greater than 1. The diffractive optical element has a first minimum period Pu along the set straight line direction and a second minimum period Ph along a direction perpendicular to the set straight line direction, and the second minimum period Ph is less than or equal to 1 / 3 of the first minimum period Pu. According to the application, the transverse period of the diffractive optical element of the multi-line laser projector is significantly smaller than the longitudinal period, which is conducive to improving the signal-to-noise ratio of the projection light field.

The pipe unit installation precision detection device comprises a detection device and a laser projector, the detection device is provided with a transparent bottom plate, a range finder is fixed on one side of the transparent bottom plate, the other side of the transparent bottom plate is provided with a supporting wall, and the transparent bottom plate and the supporting wall are provided with magnets and can be attracted to a pipe to be detected. The laser projection device is provided with a laser, is fixed at a plate opening during measurement, and is matched with the graduated scale for use, and a magnetic base is fixed at one section of the graduated scale. And measuring the actual values of the central coordinates X, Y and Z of the to-be-measured pipe by using the detection device. Rapid measurement can be achieved, the magnet on the tool assists the tool in fixing and determining the center point, the measurement precision is improved, the measurement precision reaches + / -1 mm, and the measurement precision is improved by more than two times compared with manual ruler measurement. The measurement precision can be kept within + / -1mm regardless of the distance, and the measurement is operated by one person, so that the detection labor cost is reduced. The operation is simple, the complexity of the field measurement process is reduced, and the hoisting efficiency is improved.

The invention provides a cutting device for cutting a composite material. The cutting device comprises a bearing module and a laser generating module. The bearing module is used for bearing composite materials. The laser generating module is used for providing a laser beam and comprises a laser projector used for providing a laser light source and a laser path adjuster located on a projection path of the laser light source. And the projection path of the laser beam is adjusted by the laser path adjuster or the composite material is moved by the bearing module, so that a cutting area formed by projecting the laser beam on the composite material is deviated in parallel. The pulse width of the laser light source is in the femtosecond magnitude of 10-15 seconds, the pulse width of the laser light source is smaller than 500 fs, and the pulse repetition frequency of the laser light source is larger than 1 MHz. Therefore, the cutting device for cutting the composite material can be used for cutting the composite material.

An autonomous note book with non-digital screens including integrated laser projectors located on the non-digital screens and connected to a machine-learning (ML) module configured to interpret movements of a stylus over the non-digital screens and to generate printable transcribed text or drawings. The autonomous note book has CPU with a processor configured to run the ML module and connected to at least one integrated laser projector and to at least one sensor and a memory on which are stored machine-readable instructions that when executed by the processor, cause the processor to: receive stylus movement data from the at least one laser projector and at least one sensor integrated within the at least one integrated laser projector; parse the stylus movement data to derive a plurality of key classifying features; query a local database to retrieve local historical stylus movements-related data based on the plurality of key classifying features; generate at least one classifier feature vector based on the plurality of key classifying features and the local historical stylus movements-related data; provide the at least one feature vector to the ML module coupled to an Artificial Neural Network (ANN); receive a plurality of stylus movement parameters from a stylus movement interpretation predictive model generated by the ML module using outputs of the ANN based on the at least one feature vector; and generate a viewable content based on the plurality of stylus movement parameters.

The invention relates to a rock core fissure surface short-distance measuring device and a measuring method thereof, the rock core fissure surface short-distance measuring device comprises a mounting seat and a frame body arranged on the mounting seat, a guide rail is arranged on the frame body, and a camera and a line laser projector are slidably arranged on the guide rail; a rotary table for bearing a rock core is arranged in the mounting seat, racks driven by a gear are arranged above the rotary table, the racks are symmetrically arranged on the two sides of the rock core, and a wire contact type roughness measuring instrument is also arranged in the mounting seat. According to the invention, a continuous morphology curve obtained by a high-precision contact probe is used as a space reference, and combined registration and system external parameter self-calibration are carried out on multi-angle discrete point clouds obtained through linear laser rotation scanning. According to the method, geometric prior constraints are introduced, so that the problems of accumulative drifting and splicing dislocation caused by mechanical errors in traditional rotary scanning are solved, and integrated and high-precision synchronous measurement of the three-dimensional shape, the inclination angle and the roughness of the rock core fracture surface is realized.

The VitalFace Intelligent Beauty and Health Advisor System is an innovative platform that integrates advanced hardware and intelligent software to revolutionize beauty and skincare services. Utilizing cutting-edge technologies such as Artificial Intelligence (AI), Machine Vision, Deep Learning, Natural Language Processing (NLP), and the Internet of Things (IoT), this system delivers precise skin analysis, realistic makeup simulations, and personalized recommendations. The hardware features high-resolution cameras, UV400 lamps, ultrasonic sensors, laser projectors, and a nano anti-reflective mirror, enabling accurate data collection and analysis. Its adaptive lighting technology adjusts to environmental conditions for optimal visualization. The software offers AI-driven analysis, 3D makeup simulations, intelligent recommendation systems, and interactive social networking capabilities. Designed for broad applicability across beauty salons, clinics, and home use, VitalFace provides a comprehensive, user-centric solution that enhances decision-making, reduces costs, and fosters confidence in beauty and skincare decisions.

The invention relates to a laser navigation system for ultrasound-guided peripheral nerve block, and belongs to the technical field of medical instruments, the technical field of surgical robots and the technical field of augmented reality navigation, and the laser navigation system comprises a sensing acquisition unit which is used for obtaining pose data of an ultrasonic probe, a puncture needle and the skin of a patient in a surgical space in real time; the laser projector is arranged on the ultrasonic probe and used for projecting patterns on the skin surface of the patient; the processing and control unit is in communication connection with the sensing and collecting unit and the laser projector, and the processing and control unit is configured to calculate the spatial position relation between the needle point of the puncture needle and the target point in real time according to the pose data; and driving the laser projector to project body surface projection information on the skin surface of the patient, wherein the body surface projection information comprises a needle insertion point identifier for indicating the optimal skin insertion position and a depth feedback graph of which the form is dynamically changed along with the change of the residual distance between the needle tip and the target spot.

A laser projector includes a light combining device, a light splitting system, a plurality of light valves, and a beam combiner. The light combining device is for emitting an illumination beam. The light splitting system is for receiving the illumination beam to generate a plurality of color beams. The plurality of light valves is for receiving and modulating the plurality of color beams to generate modulated color beams. The beam combiner is for combining the modulated color beams to form a full-color image.

The invention discloses a portable intelligent tool for identifying a turnout opening position, and the tool comprises an image collection module which is used for collecting a turnout image, and transmitting the collected turnout image to a turnout opening position identification module through a built-in processor; the position self-checking module is used for judging that the intelligent tool sends a position meeting requirement instruction to the turnout opening position identification module through the built-in processor; the turnout opening position identification module is used for responding to a position requirement meeting instruction, generating high-contrast reference characteristics by utilizing projection laser of a dot matrix or linear array laser projector, calling an image laser fusion identification algorithm through a processor, obtaining transverse displacement of a switch rail and a stock rail in combination with an obtained turnout image and the reference characteristics, and outputting the transverse displacement of the switch rail and the stock rail. The turnout positioning and reversing state is identified based on the transverse displacement of the switch rail and the stock rail so as to assist railway field personnel and an interlocking system to check the turnout position, and high-precision and real-time identification of the turnout position can be achieved.

The invention relates to the technical field of motion monitoring. The golf sensor direction calibration method comprises the steps that a coordinate system of a golf sensor is calibrated, the corresponding relation between camera coordinates and overall coordinates of the golf sensor is calibrated, it is determined that a bottom reference edge of the golf sensor corresponds to an X axis, and the positive direction of the X axis is a default ball hitting direction; the direction perpendicular to the ground along the center connecting line of the camera lens is defined as the Z axis, the direction perpendicular to the X axis and the Z axis is defined as the Y axis, the golf sensor is placed on the ground, the bottom reference edge of the golf sensor faces the expected ball hitting direction, a laser projector arranged on the golf sensor is started, and the golf ball is shot. The laser projector projects rays to the ground in the direction of the bottom reference edge, and the extending direction of the rays on the ground is used for indicating the default hitting direction. The present invention has the effect of improving the consistency between the golf sensor coordinate system and the actual hitting direction.

The invention relates to the technical field of intelligent interaction devices, and discloses a legal consultation intelligent voice interaction device which comprises an interaction device body, a base, a top seat, a sound insulation mechanism, a pacifying system, a placing glass cover and a scanning projection mechanism. The sound insulation mechanism drives a multi-layer composite sound insulation curtain to be automatically unfolded through a motor, a physically-enclosed private consulting space is formed around a user, sound transmission is blocked, and the privacy of voice information of the user is protected. The scanning projection mechanism obtains a digital image of a physical file through a file recognition camera, and directly projects analyzed digital annotation information to a physical position, corresponding to the image content, on the file through a laser projector, so that superposition display of digital information and a physical entity is achieved, and the display efficiency is improved. The pacifying system collects facial expression and acoustic feature information of a user through a face recognition camera and a voice recognizer, analyzes and judges the emotional state of the user, controls a voice player to play corresponding pacifying voice, and intervenes the emotion of the user.