13results about How to "Solve occlusion" patented technology

This invention relates to the field of energy storage technology, specifically to a base support device and a power supply system. The base support device includes a seat assembly, an electrical connection assembly, and a protective assembly. The electrical connection assembly is disposed on the seat assembly; the protective assembly is rotatably disposed on the electrical connection assembly; a transmission assembly includes a first transmission unit and a second transmission unit; the first transmission unit is disposed on the electrical connection assembly and is drively connected to the protective assembly; the second transmission unit is disposed on the electrical connection assembly and is drively connected to the protective assembly; the first transmission unit can be moved under force to drive the protective assembly to rotate away from the electrical connection assembly; the second transmission unit can drive the protective assembly to rotate close to the electrical connection assembly, and the protective assembly and the electrical connection assembly together form a shielding space. This solves the problem that existing base supports requiring an active drive source to operate the shielding mechanism for blocking electrical outlets need to be activated to block or de-block.

The invention discloses a rock slag feature recognition method based on multi-sensor fusion. The method comprises the steps that 1, an industrial camera and a laser radar synchronously collect rock slag images and point cloud data; 2, an improved YOLO11n-seg network is constructed; 3, performing feature extraction on the rock slag image through an improved YOLO11n-seg network; 4, constructing total loss; 5, training the improved YOLO11n-seg network on the basis of the total loss; 6, segmenting a subsequent rock slag image to be processed to obtain a rock slag area segmentation map; 7, projecting the original point cloud data to obtain the point cloud of each rock slag area; and obtaining the rock slag volume based on the point cloud of each rock slag area. The method is simple in step, instance segmentation of the rock slag target area is achieved through the improved YOLO11n-seg network, the contour shape and the volume of the rock slag are obtained, and therefore a basis is provided for parameter optimization of follow-up TBM tunneling.

This utility model relates to the technical field of optical device coating equipment, and particularly to a coating fixture for an open-aperture lens. The open-aperture lens has a coating surface at one end along the axial direction and a positioning part at the other end. The open-aperture lens also has a through hole along the axial direction. The coating fixture includes a fixture body and a fixing member. A positioning groove is provided at the bottom of the fixture body, and a through hole communicating with the positioning groove is provided at the top of the fixture body. The positioning groove is used to position the positioning part. The fixing member passes through the through hole and the through hole in sequence. One end of the fixing member has a limiting part that can be engaged in the through hole, so that the positioning groove positions the positioning part. The coating fixture for the open-aperture lens provided by this utility model can reliably fix and accurately position the lens without obstructing the coating surface.

The utility model discloses a kind of light guide structure for improving light guide uniformity, including light guide body, LED light source;The light guide body includes light guide tooth, light guide diffusion pattern surface, light guide diffusion pattern surface every pattern has two direction adjustment diffusion surface.The utility model uses the form of corn kernel pattern at light guide near light end, the diffusion of every pattern can be controlled, the diffusion size of two directions of corresponding pattern is adjusted to solve the problem of bright spot and dark area generated in simulation design process, simultaneously, since the controllable corn kernel diffusion can also effectively solve the shielding problem of dark area, can be reduced from 40mm shielding to 35mm, improve light guide utilization rate, also can improve the area size of window, meet the modeling design requirement.

The invention relates to a video virtual-real fusion method and system based on a depth map, computer equipment and a readable storage medium. The method comprises the following steps: acquiring a video image shot by a camera and a corresponding rendering image; obtaining rendering camera internal and external parameters corresponding to the rendered image, and performing back projection on the rendered image to obtain a rendering coordinate system 3D point cloud corresponding to the rendered image; calibrating the camera to obtain camera internal and external parameters corresponding to the camera, and converting the rendering coordinate system 3D point cloud to a camera coordinate to obtain a camera coordinate system 3D point cloud; projecting the camera coordinate system 3D point cloud to a pixel coordinate system corresponding to the video image, constructing a corresponding relation between each pixel point coordinate and a depth value in the pixel coordinate system, and generating a camera depth map; and carrying out virtual-real fusion on the video image and the rendered image, and carrying out penetration processing by adopting the camera depth map to obtain a virtual-real fusion image, so that the method has the advantages of improving the efficiency and quality of depth map generation and improving the efficiency and quality of video virtual-real fusion.

The utility model belongs to display device technical field, concretely relates to a digitized display screen suitable for entity exhibition, including display screen, still including mounting seat, base and support frame, be provided with electric telescopic handle on the mounting seat, the telescopic end of electric telescopic handle is fixedly connected with display screen, be equipped with the swivel base on the base, the mounting seat is rotatably connected with swivel base through the turntable, the support frame is detachably installed on the base through the clamping block, through the electric telescopic handle structure on the mounting seat, the height of display screen can be adjusted according to the density and position of on -the -spot audience, and the operator can easily raise display screen, ensure that the audience in the far position can also clearly observe screen content, avoid the problem of sight obstruction, this not only has optimized the coverage of information display, but also has strengthened the audience's participation and interactive experience, especially suitable for the entity exhibition scene of big crowd, make product and service information convey more efficient.

The embodiment of the application provides a Roots blower impeller machining clamping device, aiming at solving the machining dead angle problem caused by the clamping structure in the prior art. The device comprises an impeller body and a clamping structure fixed at both ends of the impeller body, and the clamping structure is composed of a rotating shell, a rotating support and a fixing structure. The rotating shell comprises a clamping shell sleeved outside the impeller body and an integrated rotating end shell, and the rotating end shell is connected with the rotating support through a rotating shaft below. The fixing structure penetrates through one side of the clamping shell, and the stable fixation of the impeller is realized through a suction cup body, a push rod and a knob cover. The supporting support and the rotating support are vertically invertedly distributed in the transverse section of the rotating shaft, so that the device can be flexibly adjusted in angle during the machining process.

The application provides a water chamber structure and a heat exchanger. The water chamber structure comprises a water chamber head, a partition plate, an inlet connecting pipe and an outlet connecting pipe. The water chamber head has a cavity, the partition plate divides the cavity into a water inlet cavity and a water outlet cavity, the water chamber head has a water inlet opening communicating with the water inlet cavity and a water outlet opening communicating with the water outlet cavity. The inlet connecting pipe is connected to the water inlet opening, and the outlet connecting pipe is connected to the water outlet opening. The water inlet opening and the water outlet opening are oppositely arranged and partially overlap in the axial direction. The area of the water inlet opening is equal to the pipe opening area of the inlet connecting pipe, and the area of the water outlet opening is equal to the pipe opening area of the outlet connecting pipe. The application effectively solves the problem that the pipe opening flow channel of the water inlet opening or the water outlet opening is blocked by the partition plate.

The invention provides a recognition method and system for an automobile welding spot stud, electronic equipment and a storage medium. The recognition method for the automobile welding spot stud comprises the steps that first image data of multiple view angles of an automobile accessory are acquired; performing welding spot target and stud target detection on the first image data based on a specified model, and generating detection results of each view angle; screening the detection results of each view angle based on an epipolar geometric constraint principle to obtain homologous target point pairs; calculating the homologous target point pair by using a triangulation algorithm to obtain candidate three-dimensional space coordinates of the target; re-projection error verification is carried out based on the candidate three-dimensional space coordinates of the target, and a three-dimensional detection result is determined; and comparing the three-dimensional detection result with a preset standard process parameter to obtain an identification result.

This invention provides a 1D / 2D dual piezoelectric photocatalytic composite material, its preparation method, and its application, relating to the field of wastewater treatment technology. The 1D / 2D dual piezoelectric photocatalytic composite material of this invention comprises a heterojunction structure consisting of one-dimensional rod-shaped barium titanate and a two-dimensional bismuth-rich halide oxide; the one-dimensional rod-shaped barium titanate is rod-shaped BaTiO3 grown along the c-axis orientation; the two-dimensional bismuth-rich halide oxide is Bi... x O y X z X is at least one of Cl, Br, or I; the BaTiO3 and Bi x O y X z The molar ratio is (1-10):(1-10); the lattice matching degree of the heterojunction is >90%. This invention constructs a 1D / 2D dual piezoelectric heterojunction structure with high lattice matching degree, combined with a curing method involving chemical bonding of a hydroxylated modified layer and a silane coupling agent, and uses an aeration-driven approach to achieve synergistic enhancement of piezoelectric effect and photocatalytic performance. This significantly improves carrier separation efficiency and catalyst stability, reduces energy consumption, and provides a new direction for the efficient treatment of organic wastewater, showing promising application prospects.

The utility model relates to a folding portable sunshade for automobile belongs to the technical field of automobile products, including sunshade cloth and at least four rectangular distribution's adsorption component, the adsorption component is constituted by sucking disc, mounting seat and sealing plug, mounting seat penetrates sunshade cloth, and its upper end is fixed sucking disc and is towards awning glass, and the lower end extends to the lower end surface of sunshade cloth, the recess is set up in the lower end of mounting seat, and the inside is equipped with the axial through -hole intercommunication recess, sucking disc fixedly links the suction pipe of adsorption cavity, and the suction pipe is through interference fit and is clamped in the axial through -hole, and its end extends to the recess and forms exposed operating end, the sealing plug can be dismantled and blocks operating end, and is fixed in the inner wall of recess through flexible connecting band, the utility model discloses exposed design effective solution sucking disc shielding problem, and when disassembling, directly pulling plug can remove adsorption, makes the disassembly of sunshade part more convenient, and the operation is more simple and easy.

The application discloses a pre-assembly-free large steel truss section assembly multi-point real-time digital monitoring method and system, belongs to the technical field of bridge construction monitoring, solves the problem that the existing method cannot realize multi-point simultaneous measurement and cannot realize real-time feedback when the optical prism method is used for steel pipe section assembly positioning, and the method comprises the following steps: segment main pipe blanking scanning, segment main pipe line laying monitoring, segment main pipe assembly deviation rectification, and flange plate line laying fixing; the application provides a pre-assembly-free large steel truss section assembly multi-point real-time digital monitoring method, multiple visual measurements are adopted to avoid the visual line blockage of one-way measurement, and time waste caused by repeated conversion of measurement stations is avoided; the end centroid of the steel pipe can be accurately controlled, and uncertain errors caused by the measurement of a single waist line of the circular pipe are avoided; and a prior measurement recording method is adopted, only three mark points of the main pipe body are measured in the formal assembly stage, and the efficiency of line laying measurement is greatly improved.