243 results about "Laser projector" patented technology

The invention relates to the technical field of blasting construction, and particularly discloses a tunnel back break intelligent control method which comprises the following steps: S1, scanning a tunnel face to be blasted to generate high-precision point cloud data; s2, constructing a tunnel face BIM model according to the high-precision point cloud data, and performing space coordinate registration; judging whether blasting is carried out for the first time or not, and if blasting is not carried out for the first time, displaying a blast hole of last blasting on the tunnel face BIM model; s3, receiving input of blast hole space coordinate data of the blasting, and creating blast holes of the blasting on the tunnel face BIM model according to blast hole space coordinates; s4, installing an intelligent laser projector in the tunnel; s5, a reference control point is arranged on the arch crown of the tunnel, projection parameters are calculated, and blast holes of the blasting on the tunnel face BIM model are projected to the actual tunnel face; and S6, drilling is conducted according to the projection, explosives are installed, and blasting is conducted. By the adoption of the technical scheme, the blast hole layout change can be accurately positioned, and the blasting precision is improved.

The invention relates to the technical field of charging and battery swapping, and discloses an electric truck battery swapping station pre-guiding accurate parking system and method, and the system comprises the ground, a battery swapping station, a battery swapping shed, an electric truck, a laser guiding system, a radar image system, and a parking line. The laser guiding system comprises a laser projector and an adjustable device which are installed on the top of a battery changing area of the battery changing station. The radar image system comprises a radar device installed below the head of the electric truck and a central control display device in the cab of the electric truck, the electric truck can more quickly and accurately drive into the battery replacement area of the battery replacement station through the pre-guiding accurate parking system, the repeated adjustment time caused by inaccurate parking position is reduced, and the accuracy of the electric truck is improved. Therefore, the overall efficiency of battery replacement is greatly improved, the battery replacement station can provide battery replacement service for more electric trucks in unit time, the occurrence rate of battery replacement faults caused by parking deviation is reduced, and the success rate and reliability of battery replacement operation are improved.

The invention discloses a laser beam combining system applied to a multi-primary-color laser projector, and belongs to the technical field of laser projectors. Comprising a light source module, a reflector unit and a dispersion element which are sequentially arranged in the light propagation direction. The light source module outputs multiple beams of monochromatic laser with different wavelengths, the reflector unit reflects the multiple beams of monochromatic laser with different wavelengths to the dispersion element at a specific angle, and the dispersion element combines the multiple beams of laser with different wavelengths into one beam. When the principle is utilized, the incident light with different colors is required to be narrow-linewidth laser, while a common LED light source is wide in spectrum, so that the position of an output light field is deviated due to dispersion when the light is incident into a dispersion element, and the system performance is greatly reduced. The light source of the laser projector is narrow-linewidth laser, and the characteristics of the light source just meet the required conditions, so that the laser beam combination system provided by the invention can be used for realizing the beam combination of the laser of the multi-primary-color laser projector.

The invention relates to the technical field of unmanned aerial vehicle application and highway engineering monitoring, in particular to a highway slope engineering inspection unmanned aerial vehicle which comprises a multi-rotor aircraft provided with a flight controller, the bottom of the multi-rotor aircraft is connected with a first holder, a plurality of supporting legs are arranged on the periphery of the first holder, and a second holder is arranged at the bottom of the first holder. An equipment tray is arranged at the bottom of the second holder; the laser projector is fixed at the bottom of the equipment tray and is used for projecting a reference image; the marking gun is fixed at the bottom of the equipment tray and is used for emitting marking paintballs; the high-definition camera is fixed to the bottom of the equipment tray and located between the laser projector and the marking gun. Optical axes of the high-definition camera and the laser projector are parallel to each other and are consistent with the emission direction of the marking gun; through multi-module collaborative operation, the slope inspection efficiency and precision are remarkably improved, and the system is particularly suitable for high-precision and automatic slope disease detection and safety evaluation under complex terrain conditions.

The invention relates to the technical field of rock lumpiness identification, in particular to a rock lumpiness laser indicating device, which comprises L groups of laser projectors which are respectively arranged in different directions of a breaking hammer mechanical arm; the acquisition module is used for being matched with the laser projector to acquire grid deformation size data; and the central processing unit is used for obtaining the grid deformation size data and analyzing and processing the grid deformation size data to obtain a rock lumpiness index. According to the method, laser grid light is synchronously projected in multiple directions, deformation size data are acquired from different visual angles, and complementation of the visual angles in different directions can be realized, so that the problems of'dead angles' and information loss caused by mutual stacking and shielding among rocks are remarkably reduced, the coverage rate and reconstruction integrity of the whole point cloud are improved, and the reconstruction accuracy is improved. Through multi-view point cloud splicing and fusion, the obtained point cloud model is higher in integrity and richer in edge information, and subsequent fragmentation identification based on a machine learning model is facilitated.

The invention discloses a smoke alarm device and an alarm control method, and particularly relates to the technical field of fire-fighting alarm devices.The device comprises a shell, and a multi-mode sensor module is arranged in the shell and used for collecting parameters in the environment in real time and generating detection signals; the data processing unit is electrically connected with the multi-mode sensor module through an I2C bus and is used for performing multi-dimensional analysis on the detection signal and generating an alarm decision instruction; the grading alarm module is used for receiving the alarm decision instruction through a GPIO (General Purpose Input / Output) interface; wherein the grading alarm module comprises a visible light warning assembly which comprises an RGBLED array and a laser projector and is used for generating a visual alarm and escape guidance; the sound wave generating device is used for transmitting a directional frequency-adjustable sound wave signal; the wireless communication module is electrically connected with the data processing unit; the invention aims to solve the problem that a smoke alarm device in the prior art can only play a role in warning and cannot effectively guide evacuation of users.

The invention discloses an intelligent portable blood vessel detector and a use method, and relates to the technical field of blood vessel detection equipment, the intelligent portable blood vessel detector comprises a shell, a detection head, a display screen and a wrist strap, a main control chip and a power supply are arranged in the shell, the detection head is movably arranged on the shell, the main control chip is electrically connected with the detection head, and the display screen is electrically connected with the wrist strap. A polarization filter, a beam splitter prism, a multispectral CMOS sensor, a laser projector and a linear motor are arranged in the detection head, the display screen is arranged on the shell, and the wrist strap is arranged on the shell. When blood sampling is carried out on a patient, the puncture needle can help a worker to improve the success rate during puncture, and therefore the working time is saved.

A Kaleidoscopic Geometric Vision Platform (KGVP) that transforms three-dimensional (3D) machine vision through an optical system that creates multiple virtual laser projectors from a single moving component. A spindle mirror mechanism (SMM) rotates a reflective surface to sweep collimated laser beams in circular patterns. These beams strike a series of kaleidoscopic mirror facets (KMFs) arranged concentrically around the SMM in a concave configuration. Each KMF redirects the rotating beam, creating a virtual projector with a distinct origin point and sweep direction. As the SMM completes one rotation, it generates N distinct laser trajectories (where N equals the number of KMFs), each sweeping from a different virtual origin point. Event-based cameras / sensors positioned strategically around the KMFs detect laser light reflected from object surfaces with microsecond precision. The KGVP triangulates 3D surface coordinates by determining correspondence between detected light and specific virtual projectors based on precise timing information.

The invention relates to equipment for automatically identifying and measuring a plant quadrat. A main body of the equipment is composed of a machine shell, an interactive display, weighing equipment, a supporting frame, a laser projector, a camera and other modules. Wherein the camera is used for capturing an image of a plant quadrat and realizing identification of plant species through an image processing and identification algorithm; the laser projector is used for projecting a clear boundary on a plant quadrat to ensure the accuracy of a monitoring area; the weighing equipment is used for collecting weight data of the plant sample; the support frame is used for supporting and adjusting the height and angle of the equipment; the interactive display provides a touch screen operation interface, and allows a user to select dominant plants, input parameters and check monitoring results. Through the equipment, a user can easily realize non-destructive monitoring on a plant quadrat, and damage to a grassland ecosystem caused by cutting operation in a traditional method is avoided.

The invention discloses a laser projector light path adjusting method and device, hardware correction and software correction are combined, in the hardware correction, a light path adjusting assembly and a collimation calibration module are additionally arranged in a projector optical system, the collimation of incident light is adjusted, the position of a two-dimensional galvanometer is calibrated, and the consistency of optical axes is ensured; the CCD is used for capturing actual projection coordinates, the distortion offset is calculated, a dynamic compensation model is generated based on polynomial fitting, galvanometer driving parameters are adjusted through the MCU, and the correction precision is improved. According to the invention, the projection precision of the laser projector can be improved, a calibration tool is assisted, the installation and adjustment efficiency is improved, and compound distortion is avoided to the greatest extent, so that the correction precision is improved.

The invention relates to the technical field of material sheet transferring equipment, in particular to a material sheet carrying and transferring device and a control method thereof. The transfer trolley bears the cut material pieces and moves to the material taking position of the hot mold pressing equipment along the running track. The laser projector is used for primarily positioning the material sheets on the transfer trolley; the carrying assembly is arranged on the transfer truss and comprises a plurality of linear modules, spiral lifters located at the driving ends of the same sides of the linear modules and vacuum suction cup assemblies arranged at the driving ends of the spiral lifters. A transfer platform is arranged on the transfer truss, and a supporting seat, a first limiting assembly and two second limiting assemblies are arranged on the transfer platform; the vacuum suction cup assembly carries material sheets on the transfer trolley to the transfer platform, the first limiting assembly and the two second limiting assemblies carry out precise positioning on the material sheets, the precise positions of the material sheets in the X direction and the Y direction are ensured, the position accuracy of the material sheets in the carrying process is ensured, and the product quality is improved.

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.

The utility model discloses a laser demarcation device movement and a laser demarcation device. The laser demarcation device movement comprises a support, a pendulum body assembly, a shaft body assembly and a leveling assembly. The swing body assembly is arranged in the bracket and is spaced from the bracket; the shaft body assembly is installed in the swing body assembly in a penetrating mode, and the end of the shaft body assembly is rotationally installed in the support. The leveling assembly comprises a metal sheet and a magnet assembly arranged at a gap between the metal sheet, one of the metal sheet and the magnet assembly is installed on the pendulum body assembly, and the other one is installed on the support. The movement of the laser demarcation device is simple in structure, the pendulum body assembly can be rapidly and accurately assembled and disassembled through the modularized design, the assembling steps are simplified, and the assembling time is saved; meanwhile, through the principle that a metal sheet cuts magnetic induction lines to generate Lorentz force, automatic leveling of the pendulum body assembly is achieved, and the time for achieving the balance state is shortened.

The embodiment of the invention discloses a multi-line laser projector which is used for providing high-integration-level multi-line laser projection and comprises a light source array and an emergent array which are sequentially arranged in the optical axis direction of an initial light beam, and the emergent array is integrally formed. The light source array comprises a plurality of light sources, and each light source is used for emitting an initial light beam; the emergent array is used for shaping each received initial light beam and turning at least part of the initial light beam to obtain a linear light beam corresponding to each initial light beam, any two linear light beams are not completely overlapped, and the linear light beams are not completely overlapped. The emergent array comprises a shaping assembly used for shaping processing and a steering assembly used for steering processing. The light source array and the emergent array are connected to form the multi-line laser projector.

The invention relates to a method for calibrating a data glasses (12) having a virtual retinal display (10) (retinal scan display), wherein scanned images (16) of the virtual retinal display (10) are generated by a laser projector (14) and projected as beamlets into an eyebox of the data glasses (12) via an optical system (18) of the data glasses (12), wherein calibration images (20) and / or calibration patterns (22) are output to a wearer of the data glasses (12) by means of the beamlet, and wherein user feedback, which is given by the wearer of the data glasses (12) based on his perception, is recorded and used for the calibration of the data glasses (12). It is proposed that, for the calibration of the data glasses (12), an automated mechanical actuator (24) for adjusting a position of the beamlet is controlled by a computing unit (26) of the data glasses (12), or an actuation of a manual mechanical actuator (28) for manually adjusting the position of the beamlet is initiated, or a manual reconfiguration of the data glasses (12) for manually adjusting the position of the beamlet is initiated, or the laser projector (14) and / or the optical system (18) for adjusting a brightness, a sharpness or a hue of the reproduced calibration images (20) and / or calibration patterns (22) are controlled by the computing unit (26) of the data glasses (12).

A Kaleidoscopic Geometric Vision Platform (KGVP) that transforms three-dimensional (3D) machine vision through an optical system that creates multiple virtual laser projectors from a single moving component. A spindle mirror mechanism (SMM) rotates a reflective surface to sweep collimated laser beams in circular patterns. These beams strike a series of kaleidoscopic mirror facets (KMFs) arranged concentrically around the SMM in a concave configuration. Each KMF redirects the rotating beam, creating a virtual projector with a distinct origin point and sweep direction. As the SMM completes one rotation, it generates N distinct laser trajectories (where N equals the number of KMFs), each sweeping from a different virtual origin point. Event-based cameras / sensors positioned strategically around the KMFs detect laser light reflected from object surfaces with microsecond precision. The KGVP triangulates 3D surface coordinates by determining correspondence between detected light and specific virtual projectors based on precise timing information. This approach eliminates the computational complexity typically required for multi-view feature matching, as the KGVP can unambiguously identify which virtual projector created each detected event. With calibration, the KGVP can establish the exact 3D positions of all virtual projector origins and their beam trajectories and build look-up tables that optimize triangulation accuracy. The KGVP enables real-time 3D surface reconstruction with high precision while using far fewer mechanical components than conventional machine vision systems.

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.

The invention discloses an intelligent plant and oncomelania investigation quadrat frame device and an investigation method, and belongs to the technical field of quadrat investigation intelligence and electric appliances. A user fixes the investigation device, the camera and the laser projector face a quadrat or a snail investigation area needing to be collected, a quadrat investigation mode or an oncomelania investigation frame mode is set through the mobile phone APP, the laser projector projects the quadrat according to a selected type, an image needing to be collected is selected on the mobile phone APP, click collection is carried out, and the oncomelania investigation mode or the oncomelania investigation frame mode is displayed on the mobile phone APP. After the camera captures an image, the image is processed by the chip and is connected with a mobile phone APP through the chip, geographic information is automatically positioned, and quadrat survey information is estimated. Through the camera and the laser projector, intelligent quadrat investigation of a user is facilitated, the inconvenience that a quadrat frame needs to be carried in plant quadrat investigation and manual estimation is not convenient is solved, the function of a spiral frame for future reference is also achieved, and multiple purposes are achieved through one machine.

Disclosed is a multi-range detection lidar sensor capable of detecting a plurality of detection regions using one lidar sensor. The multi-range detection lidar sensor includes a laser projector for projecting laser, a laser scanner for refracting the laser projected by the laser projector in any one angle range of a first vertical angle range and a second vertical angle range and scanning the laser, a receiver for receiving the laser projected by the laser projector and reflected by a target, and a controller for controlling the laser projector, the receiver, and the scanner.

The invention discloses a line scanning optical acquisition and detection method and a laser scanning acquisition and detection system. The acquisition method comprises the step of acquiring line-by-line image information of a detected object by line scanning in a manner that a scanning line and a scanning direction are inclined on a scanning projection plane. The detection method comprises the step of judging whether the detected object has defects based on the centring line image. The acquisition system comprises a laser projector, an area-array camera and a scanning driving unit, the linear laser projector and the area-array camera are configured to be fixed in relative position and relative angle, and the scanning driving unit is configured to be capable of moving the linear laser projector and / or the measured object so as to enable a centering line of the linear laser projector to scan on the measured object. The detection system further comprises an image processing unit and a defect judgment unit. By arranging the scanning lines inclined to the scanning direction, the detection resolution and the information amount can be ingeniously increased on the premise that the cost of existing equipment is not increased, and detection of a high-speed moving object is particularly facilitated.

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 provides a laser projector, which comprises a projector main body, and the projector main body comprises a projector housing; the optical module is installed in the projector shell, the optical module comprises a laser module, an optical lens and a prism assembly, the laser module, the optical lens and the prism assembly are linearly arranged on a light source channel of the laser projector, and an optical prism is installed on the prism assembly; the light shield is installed on the projector shell, a glass plate is installed on the light shield, projection patterns are arranged on the glass plate, and laser beams emitted by the laser module sequentially pass through the optical lens, the optical prism and the glass plate and then project the projection patterns on the glass plate out. Patterns are projected through the laser projector, so that the marks can be projected to the preset surface, the marks can be kept clear for a long time, compared with paint marks, the marks do not need to be maintained and re-sprayed regularly through laser projection, and the marks can be projected to soil or uneven ground.

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 relates to the technical field of pressure vessel manufacturing, in particular to a pressure vessel complex curved surface any-angle connecting pipe trepanning and lineation tool and method. A tool body comprises the following components: an adsorption base comprises a lower base plate and an upper base plate which are hinged with each other, and an adsorption magnet mounted at the end corner position of the lower base plate; the angle adjusting mechanism comprises an angle adjusting screw rod and an adjusting hand wheel; the rotary positioning mechanism comprises a rotary vertical rod assembly in the middle of the upper base plate, a positioning laser projector installed at the bottom of the rotary vertical rod assembly and positioning ejector pins arranged on the two sides of the lower base plate. The scribing adjusting mechanism comprises a transverse adjusting rod assembly located at the top end of the rotary vertical rod assembly, and a scribing laser projector is installed at the tail end of the transverse adjusting rod assembly. By improving the tool body, the hole opening line can be quickly marked on the complex curved surface without being influenced by the size precision error of the complex curved surface, the time is greatly shortened, the operation is simple and convenient, and the marking efficiency is obviously improved.

1. The name of the product of this design: laser projector. 2. Purpose of this design product: This design product is used for projector equipment. 3. The design key point of this appearance design product lies in the overall shape of the product. 4. The picture or photo that best illustrates the design points: three-dimensional picture.

The utility model relates to a laser demarcation device with a lamp strip, which comprises a demarcation device body, an accommodating caulking groove is arranged on the demarcation device body, a neon lamp strip assembly is arranged in the accommodating caulking groove, the neon lamp strip assembly is connected with an energy supply control port in the demarcation device body, and a light guide device is arranged at the front end of the neon lamp strip assembly. A covering assembly is distributed on the outer surface of the light guide device. Therefore, by selecting different covering assemblies, the neon lamp strip assembly can achieve different display effects such as overflow display, frosted soft light, global lighting and graphic display, and the requirements of decoration display and function display are met. The functions of the demarcation device body can be associated through different colors of the neon lamp strip assembly, for example, green is in a surveying and mapping state, red is in a charging state, blue is in a standby state and the like, so that a user can intuitively know the current state of the demarcation device body.

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 invention relates to a maneuvering aid for a vehicle (1), comprising at least one sensor system for detecting a vehicle environment, wherein the sensor system has at least two mirror replacement cameras (2), an evaluation unit for determining a possible driving lane (3) when maneuvering the vehicle (1) and at least one laser projector for projecting the driving lane (3) in the vehicle environment, wherein the laser projector is configured to mark persons (5) and objects (4) in the vehicle environment, wherein the laser projector is configured to project the driving lane (3) on different planes in order to generate a projection of a three-dimensional driving lane (3).