70 results about "Ray launching" patented technology

The invention relates to the technical field of image processing, and discloses a ray machine imaging positioning method and system, electronic equipment and a medium. Image information acquired by a camera is used for converting the projection offset of the center point of a target position on a camera coordinate system relative to the optical center of the camera; the projection offset is compensated according to the relative position relationship between the optical center of the camera and the ray emission point of the ray machine, so that a first position adjustment vector is obtained to perform position adjustment on the ray emission point of the ray machine in the x-axis direction and the y-axis direction on a camera coordinate system; and the ray transillumination limitation of the ray machine is met through the relative distance constraint of the target position and the optimal focal length of the ray machine, so that a second position adjustment vector is determined, the position of a ray emission point in the z-axis direction of a camera coordinate system is adjusted, the shooting position of the ray machine is accurately positioned, and the shooting accuracy of the ray machine is improved. And the imaging quality and shooting efficiency are improved.

The invention relates to a method and devices for determining a piece of data representing a position of a user equipment within an environment which comprises a set of base stations. According to the invention, the method comprises the following steps: - Obtaining (S01) a vector of N angles ([y1, ...,yN]) of reception of a signal emitted by said user equipment, each angle of said vector corresponding to an angle of reception of the signal at a given base station of the set of base stations, - Obtaining (S02) N probability distributions, each probability distribution being obtained from a result of a ray launching in a 3D representation of said environment, - Computing (S03) at least one probability of the position of the user equipment, and as a function of said N probability distributions and said vector of N angles.

The invention discloses an automatic ray detection system and method for a large-diameter pipeline, and the system comprises a housing, the housing sleeves the outer wall of the pipeline, the inner wall of the housing is provided with a moving assembly used for contacting the outer wall of the pipeline, one side of the housing is provided with a ray emission assembly, and the ray emission assembly is provided with a welding seam scanning positioner. And a ray receiving assembly is arranged on the symmetrical side of the side of the shell. According to the automatic ray detection system and method for the large-diameter pipeline, the automatic sheet loading and unloading functions of the ray receiving device are introduced, manual operation in the detection process is reduced, errors and risks caused by manual intervention are reduced, meanwhile, the magnetic type universal wheels are additionally arranged, flexible movement of the ray detection system is achieved, and the detection efficiency is improved. By means of the integrated design of the ray device and the ray receiving device, the detection precision is improved, the detection time is remarkably shortened, and repeated labor is reduced.

A ray emission region perpendicular to a normal direction of a sampled texel in a first mesh patch of a first initial three-dimensional mesh model in a three-dimensional virtual scene is constructed. One or more rays that start in the ray emission region and extend in an opposite direction of the normal direction of the sampled texel are constructed. One or more candidate texels that intersect with the one or more rays are determined. When the one or more candidate texels include at least one spatially adjacent texel of the sampled texel, the sampled texel is determined as a first seam texel. From the at least one spatially adjacent texel, a second seam texel having a seam adjacency relationship with the first seam texel is determined. At least a seam repair of the first seam texel and the second seam texel is performed to obtain a target three-dimensional mesh model.

The X-ray detection device capable of being flexibly suitable for the multi-split cable comprises an X-ray machine, an imaging plate and a bearing vehicle body, the bearing vehicle body is provided with a first carrying frame and a second carrying frame, and the first carrying frame and the second carrying frame are both detachably connected with the bearing vehicle body; the distance between the first carrying frame and the second carrying frame can be adjusted; the ray machine is located on the first carrying frame, a ray emitting opening of the ray machine can rotate in the circumferential direction and / or vertically ascend and descend, the imaging plate is located on the second carrying frame, and the imaging plate is in sliding connection with the second carrying frame in the vertical direction. According to the utility model, a multi-angle and wide-range ray detection space is formed between the ray machine and the imaging plate by combining the adjustment of the distance between the first carrying frame and the second carrying frame, the circumferential / vertical adjustment of the emission port of the ray machine on the first carrying frame and the vertical lifting of the imaging plate on the second carrying frame; therefore, the multi-split cable X-ray detection device can be effectively adapted to multi-split cable X-ray detection work under various conditions.

The utility model relates to the technical field of X-ray tubes, and provides an X-ray flaw detection system which comprises the following steps: S1, determining a detection starting point and a detection ending point; s2, the carrying vehicle is moved into a high-speed rail vehicle body; s3, calibrating the current positions of the X-ray emitter and the X-ray detection band; s4, starting at least three X-ray emitters and X-ray detection bands; s5, enabling the carrying vehicle to linearly move to a detection termination point in the length direction of the high-speed rail vehicle body, and enabling the portal frame to linearly move to the detection termination point in the length direction of the high-speed rail vehicle body; s6, the X-ray detection belt sends defect detection information to an image processing system; s7, the image processing system converts the defect detection information into defect image information; and S8, a defect marking mechanism scribbles a defect icon on the outer surface of the high-speed rail vehicle body. According to the utility model, the top wall and the two side walls of the high-speed rail vehicle body which stops on the rail can be efficiently and accurately detected at one time.

The invention relates to the technical field of building design, and discloses a pipeline path-finding method, device and equipment and a storage medium, which are used for improving the adaptability and efficiency of pipeline path-finding planning. The pipeline path-finding method comprises the following steps: acquiring an area in which pipelines need to be arranged, and determining a path-finding starting point and a path-finding ending point in the area; screening out effective connected regions from the regions; performing width expansion on the object in the effective communication area; performing axial ray emission based on a straight line node corresponding to the expanded object, wherein the ray stops extending when encountering a boundary; constructing target nodes and target edges based on intersection points between the rays, and calculating the path finding cost of each target edge; and generating an optimal pipeline path based on the path-finding starting point, the path-finding ending point, the node and the path-finding cost.

This utility model discloses an amorphous strip thickness gauge, including a detection frame with a detection cavity inside. Two sets of lead screws are symmetrically installed vertically within the detection cavity. A guide rod is provided on one side of each lead screw, and a support plate is fitted onto both the guide rod and the lead screw. An upper X-ray emission tube and an upper detector are mounted on the upper support plate. The advantages are: by setting up a dual-station, upper and lower coaxial measurement structure consisting of an upper X-ray emission tube, a lower detector, a lower X-ray emission tube, and an upper detector, this utility model can simultaneously convert the vertical movement of the strip into changes in the measured values ​​of the upper and lower measurement modules. Through data fusion processing, the influence of the vertical movement can be directly offset, eliminating the maximum error source of online measurement in principle. The measurement accuracy is extremely high, effectively improving the measurement effect and performance of the device.

A computer-implemented method for determining a position of an X-ray emitter of a mobile X-ray device to obtain high-quality mobile X-ray images is provided, the method comprising the steps of receiving a camera-acquired image resulting from a camera monitoring a patient during an X-ray imaging session, a reference X-ray image of an internal body structure to be examined in the X-ray examination, and X-ray detector position information, detecting and locating a plurality of anatomical landmarks in the camera-acquired image, determining a distance from the X-ray emitter to the patient based on the camera-acquired image, generating a virtual X-ray image of the internal body structure based on the detected plurality of anatomical landmarks, the distance from the X-ray emitter to the patient, and the X-ray detector position information, registering the virtual X-ray image of the internal body structure to the reference X-ray image of the internal body structure, and determining at least one parameter for adjusting the position of the X-ray emitter based on the registration result.

The invention relates to the technical field of detection systems, in particular to a green channel fast detection system. According to the technical scheme, the device comprises an X-ray emission box, an X-ray receiving column, a grating subsystem, a camera subsystem, a reservation machine, a rod lifting machine, a client terminal and an indicator lamp. The channel quick inspection system is located at an entrance position of a green channel and can perform reservation processing of the channel quick inspection system on vehicles needing to pass through the green channel; the rod lifting machine is used for blocking queuing vehicles which are not in the channel through a handrail; and the camera subsystem is used for observing the condition that the vehicle enters the green channel lane in real time. The system has the advantages that remote and accurate detection is realized in an automatic manner, the efficiency of inspection work is effectively improved, the driving of green channel vehicles is accelerated, and the conditions of congestion and missing detection and error detection which are easily caused by manual inspection are avoided.

The utility model discloses a coal gangue screening device and relates to the technical field of coal gangue screening, the coal gangue screening device comprises a conveying mechanism, a grabbing mechanism, a recognition mechanism and a control mechanism, the conveying mechanism comprises a conveying belt used for conveying coal, and the recognition mechanism and the grabbing mechanism are sequentially arranged on the conveying belt in the conveying direction of the conveying belt; the recognition mechanism comprises a camera recognition module and a ray recognition module, the camera recognition module is provided with a shooting face and arranged above the conveying belt in the mode that the shooting face faces the conveying belt, and the ray recognition module comprises a ray emitter and a ray receiver. The ray emitter and the ray receiver are arranged above and below the conveying belt correspondingly, and the ray receiver, the camera shooting recognition module and the grabbing mechanism are all in electric signal connection with the control mechanism. According to the technical scheme, the problems that an existing coal gangue screening device is low in recognition precision and poor in screening effect can be solved.

This invention relates to the technical field of co-extrusion equipment, specifically to a horizontal three-layer co-extrusion equipment for producing medium-voltage PP cables. The equipment includes an X-ray imaging module, a control module, and a verification module. The X-ray imaging module detects the insulation extrusion layer, the semiconductor extrusion layer, and the outer sheath extrusion layer, and obtains the blurred area of ​​the cable cross-section and the total area of ​​the cable cross-section, transmitting these values ​​to the control module. The control module calculates a fuzziness index based on the blurred area and total area of ​​the cable cross-section and transmits the fuzziness index to the verification module. The verification module determines whether X-rays penetrate the cable cross-section perpendicularly based on the fuzziness index and feeds this information back to the X-ray imaging module. The X-ray imaging module adjusts the X-ray emission angle based on this information. This process helps improve the accuracy of the detection.

The invention relates to a method and devices for determining a piece of data representing a position of a user equipment within an environment which comprises a set of base stations. According to the invention, the method comprises the following steps: - Obtaining (S01) a vector of N angles ([y1,..., yN]) of reception of a signal emitted by said user equipment, each angle of said vector corresponding to an angle of reception of the signal at a given base station of the set of base stations, - Obtaining (S02) N probability distributions, each probability distribution being obtained from a result of a ray launching in a 3D representation of said environment, - Computing (S03) at least one probability of the position of the user equipment, and as a function of said N probability distributions and said vector of N angles.

The invention relates to the technical field of electrical equipment nondestructive testing, in particular to an electrical facility X-ray digital imaging mobile inspection system which comprises a special detection vehicle, an X-ray source adjustable foot stool, an imaging plate adjustable foot stool, X-ray emission equipment, a DR imaging plate, a vehicle-mounted workstation, a shooting mechanism, wireless receiving equipment and a control mechanism. The special detection vehicle is provided with a control cabin and an equipment storage cabin, the control cabin is a totally-enclosed lead room, and the equipment storage cabin is provided with a radiation protection mechanism; the X-ray source adjustable foot stool and the imaging plate adjustable foot stool each comprise a cross-shaped sliding table base, a multi-stage telescopic stand column and a three-axis pan-tilt joint module, and the multi-stage telescopic stand columns are arranged on the cross-shaped sliding table bases. Through vehicle platform integration, foot stool six-degree-of-freedom precise control, AI real-time defect diagnosis and radiation protection, full-process automation, high safety and high adaptability of X-ray detection of electric power facilities are achieved.

The present invention relates to the field of image processing technology, and more specifically to a key point detection method, device and storage medium for X-ray video streams, the method comprising: when a bag is sent into a security inspection device, a control unit starts an X-ray transmitting device to transmit an X-ray beam of a first energy to penetrate the interior of the bag, an X-ray array receiving device receives an X-ray beam of residual energy to generate a first video stream, and obtains a first bag image, obtains multiple items and item shapes in the first bag image, and also obtains a first residual energy, calculates a first attenuation coefficient of the first item after being irradiated by the X-ray beam of the first energy; by creating and training a material classification model, a second classification result of the first item is obtained; the control unit finally determines whether the first bag image contains dangerous items, and issues a prompt in time when the first bag image contains dangerous items. The present invention can improve the accuracy and efficiency of key point detection.

The invention discloses a detection method and a detection system for a laminated cell. The detection method comprises the following steps: a coordinate system calibration step: calibrating a plane coordinate system and a polar coordinate system in a plane perpendicular to a first direction by at least one group of ray emitting device and ray receiving device; a position calculation step: capturing a characteristic angular point of a pole piece to be measured in the plurality of pole pieces by each group of ray emitting device and ray receiving device, and positioning a coordinate of a central point of the pole piece to be measured in a plane coordinate system and a polar axis angle of the central point in a polar coordinate system according to the characteristic angular point, a radioactive ray beam between each group of ray emitting device and ray receiving device passes through two sides of the corresponding characteristic angular point; and an offset determination step: calculating the offset of the to-be-measured pole piece according to the coordinate of the central point of the to-be-measured pole piece and the polar axis angle, and determining whether the offset meets the offset requirement or not. The above technical scheme at least can effectively detect the positive and negative electrode dislocation of the laminated cell.

A mobile X-ray device (10) comprises: a body (13) comprising a number of wheels (18, 20) rotatably attached thereto and housing an operating system for obtaining and processing X-ray data to provide X-ray images; a movable vertical column (34) and a horizontal arm (40) operably connected to the body (13) and comprising an X-ray emitter (52) opposite the body (52); a detector (62) configured to receive X-rays from the X-ray emitter (52) and operably connected to the operating system to communicate X-ray data from the detector (52) to the operating system; a drive handle (24) provided on the main body (13); and a detector support (100) having a sleeve (70) defining an interior (96) adapted to receive an edge (103) of the detector (62) therein, and a pair of fastening plates (72) extending outwardly from the sleeve (70) and fastened to the drive handle (24). The sleeve (70) may securely engage opposite surfaces (101, 102) of the detector (62) such that a user / technician can easily position the protective bag (64) around an exposed portion of the detector (62) without hand.

The invention discloses efficient pressure vessel welding seam radiographic inspection equipment, and relates to the technical field of welding seam inspection. The high-efficiency pressure vessel welding seam ray detection equipment comprises a ray emitter main body; the detector main body is located above the ray emitter main body, the relative position of the ray emitter main body and the detector main body is not changed in a detection state, and the welding seam of the container to be detected can be subjected to one-time front face detection right facing the position between the ray emitter main body and the detector main body; a wheel vehicle is arranged above the carrying vehicle, supporting wheels are installed above the wheel vehicle, and the supporting wheels are located on the two sides of the lower portion of the to-be-measured container and used for supporting the to-be-measured containers with different diameters; according to the high-efficiency pressure vessel welding seam radiographic inspection equipment, the major arc ring main body is arranged, the circle center of the major arc ring main body coincides with the circle center of the to-be-detected vessel, and the major arc ring main body is controlled to move and deflect, so that deflection of the to-be-detected vessel can be realized.

This invention discloses a radiographic testing device for new energy batteries, comprising: a battery conveying mechanism; a radiation emitter mounted on a first position adjustment structure for emitting radiation; and an imaging receiver mounted on a second position adjustment structure for receiving the radiation emitted by the radiation emitter and forming an image. The first position adjustment structure is located above the testing station for adjusting the position of the radiation emitter; the second position adjustment structure is located below the testing station for adjusting the position of the imaging receiver; the radiation emitter and the imaging receiver are arranged opposite each other on both sides of the testing station. This invention provides a battery testing device capable of multi-angle testing, improving the efficiency and imaging quality of non-destructive testing of new energy batteries, and also providing a good equipment foundation for subsequent image processing and judgment.

The invention relates to the technical field of welding seam detection, and discloses a welding seam detection device and method, and the device comprises a supporting assembly which is used for connecting a tube seat on a container, and is provided with a movable part; the ray emitting part is arranged on the movable part; the positioning tool is arranged on one side, deviating from the tube seat, of the container; and the ray collecting plate is arranged on the positioning tool so as to at least obtain image data of the welding seam between the tube base and the container. The detection device is arranged, the ray emitting part and the ray collecting plate are arranged on the two opposite sides of the welding seam, the ray emitting part is supported by the supporting assembly, the ray collecting plate is positioned by the positioning tool, the ray collecting plate collects rays penetrating through the welding seam, a welding seam data image is obtained, and the ray digital imaging method is achieved. The detection precision is improved, the detection test period is shortened, and the efficiency is improved.

The invention relates to an indoor wireless signal strength prediction method and device, computer equipment, a computer readable storage medium and a computer program product. The method comprises the following steps: according to a three-dimensional model of an indoor area, constructing an energy flow diagram corresponding to a source node, which is used for representing wireless signal propagation paths from the source node to each target node and a wireless signal energy attenuation relationship of each wireless signal path; the target node is associated with a plurality of receiving points; acquiring a plurality of wireless signal propagation paths from the source node to each target node according to the energy flow diagram, and determining a target propagation path from the plurality of wireless signal propagation paths; wherein the contribution degree of the target propagation path to the signal intensity of the target node meets a preset condition; and based on the target propagation path, determining a ray emission direction of a receiving point associated with the target node and performing ray tracing to obtain predicted wireless signal intensity of the receiving point associated with the target node. By adopting the method, the signal strength prediction efficiency can be improved.

The utility model belongs to the technical field of ray imaging equipment, and relates to a ray emission device and an image generation system.The ray emission device comprises a sensing detection unit, a beam limiting cylinder, a communication unit, a main control board and a shell; the beam limiting cylinder is connected with the shell, the beam limiting cylinder comprises a cylinder body and an annular circuit board, the annular circuit board is installed at one end of the cylinder body, the sensing detection unit is installed on the annular circuit board and comprises at least three sets of sensing assemblies used for detecting and receiving the position of a sensor, and the sensing assemblies are installed on the annular circumference of the annular circuit board. The main control board is installed in the shell, one end of the communication unit is connected with the annular circuit board, and the other end of the communication unit penetrates through the barrel and penetrates into the shell to be connected with the main control board. According to the invention, the position of the receiving sensor can be effectively and accurately positioned, so that the relative position of the ray emitting device and the receiving sensor can be conveniently adjusted.

The embodiment of the utility model discloses security inspection equipment, the security inspection equipment comprises a ray emission assembly, a detection assembly, a transmission assembly and a security inspection channel, the security inspection channel comprises a space enclosed by a support plate, then at least one of the ray emission assembly and the detection assembly can be installed on the support plate, and the transmission assembly can transmit the ray emission assembly and the detection assembly to the security inspection channel. The support plate can support at least one of the ray emission assembly and the detection assembly; therefore, the supporting plates forming the security inspection channel in an enclosing mode can replace independent framework modules in existing security inspection equipment, the original independent framework modules can be omitted, and the technical problems that when the independent framework modules are adopted, the number of parts is large, the requirements for part machining and assembling are high, and cost is high are solved. And on the basis of ensuring that the size of the security check channel meets the requirement, the size of the whole security check equipment is smaller, and the occupied space is reduced.

The invention relates to the technical field of flaw detection, and discloses a high-altitude pipe gallery flaw detection method and system based on unmanned equipment and a storage medium, and the method comprises the following steps: in response to a radiographic inspection instruction, controlling a ray emission assembly to emit rays, and controlling a ray imaging assembly to generate a ray image; the radiographic inspection structure is controlled to rotate around the high-altitude pipe gallery by one circle on the holding structure; acquiring a plurality of rotational vibration data, calculating to obtain an acquired vibration value, if the acquired vibration value is greater than the acquired reference vibration value, calculating an acquired vibration comparison value, and adjusting the first rotational speed according to positive correlation of the acquired vibration comparison value; the enclasping structure is controlled to move to the translation length in the high-altitude pipe gallery; collecting a plurality of translational vibration data, calculating to obtain a translational vibration value, if the translational vibration value is greater than a translational reference vibration value, calculating a translational vibration contrast value, and adjusting the first movement speed according to negative correlation of the translational vibration contrast value; and the flaw detection accuracy of the high-altitude pipe gallery is improved.

The present invention belongs to the technical field of X-ray instruments, and in particular relates to a cold cathode wireless small X-ray instrument, which includes a mounting bracket and a ray instrument main body fixedly installed on the mounting bracket, and further includes: an angle synchronization adjustment mechanism for use, an active heat dissipation mechanism, a propulsion mechanism, a workpiece inclination detection and feedback mechanism, a ray power synchronization control mechanism, and a heat dissipation intensity feedback control mechanism. The present invention can quickly detect and confirm the inclination of the workpiece to be detected, and quickly adjust the installation position of the ray instrument main body based on the obtained inclination information, so that the X-ray emitted by the ray instrument main body can be perpendicular to the workpiece to be detected. Furthermore, the cold cathode X-ray instrument can provide more accurate detection results, and can automatically detect the distance between the cold cathode X-ray instrument and the workpiece to be detected during the detection of the workpiece inclination, and automatically adjust the ray emission intensity of the cold cathode X-ray instrument based on the distance size.

The present application relates to a kind of disc cutting platform silage corn harvester foreign matter real-time online detection method and device, the device is by X Ray transmitter, X Ray receiving device, 5G intelligent signal transmitter, image processing and foreign matter identification system, real-time display and alarm system composition; X Ray receiving device includes photoelectric converter, circuit board, photosensitive rubber plate, realizes X Ray signal conversion and transmission;Image processing and foreign matter identification system includes filtering denoising module, image enhancement module, foreign matter identification module, realizes fast, high-precision identification foreign matter;Real-time display and alarm system includes real-time display screen, manual brake button, detection alarm, real-time transmission detection information, and send alarm.The present application solves the problem that non-metallic foreign matter such as stone cannot be detected, improves the detection rate and detection stability, avoids the damage of blade inside silage machine, prevents metal, stone and other foreign matter from entering the body of livestock with silage feed.

The utility model provides a digital probe detection device. The digital probe detection device comprises a base and a lifting rod arranged on the base, the lifting rod is sleeved with an adjusting block, and the adjusting block is fixed to the lifting rod through a first locking device. The extension arm is arranged on the adjusting block, a detection rod is arranged on the extension arm in a penetrating mode, and the detection rod is fixed to the extension arm through a second locking device; the detection head is arranged on the detection rod, a plurality of probes are arranged on the detection head, and a ray receiving end is arranged at the position adjacent to the probes; the ray emitting end is arranged on the base and is arranged below the adjacent probe; according to the digital probe detection device, the actual thickness of the carbon paper can be obtained after measurement, and the result is more accurate after correction.

The utility model relates to the technical field of thickness gauges, in particular to an X-ray thickness gauge based on EtherCAT communication, which comprises a master station and servo controllers, the master station adopts an STM32 chip as a core, the master station and the servo controllers are connected with each other through EtherCAT, the number of the servo controllers is two, the servo controllers are respectively connected with motors, the motors are connected with probes, and the probes are connected with the master station. An X-ray emitter and a receiver are arranged in the probe, an acquisition card is arranged on the receiver, the acquisition card is connected with the master station through EtherCAT, the master station is connected with an upper computer, and the master station is connected with the upper computer through UDP. According to the utility model, the sampling frequency of the sensor can be improved to obtain more accurate data, and the practicability is realized.

The utility model discloses an X-ray camera system and a bearing device thereof, the X-ray camera system further comprises an X-ray emitting device and an X-ray detector, the bearing device can independently move relative to the X-ray emitting device under the action of force of a single user, and the bearing device comprises a base, a bearing part and a first electric energy sending module; the bearing component is mounted on the base and used for placing the X-ray detector, and the bearing component and / or the X-ray detector placed on the bearing component can support the upper limb of a to-be-detected object for X-ray imaging; the first electric energy transmitting module is arranged on the bearing part and is used for supplying power to the X-ray detector placed at the bearing part in a wired and / or wireless manner. According to the embodiment of the invention, the endurance of the X-ray detector can be improved.

The utility model relates to the technical field of coating surface density detection devices, and discloses a pole piece coating surface density detection device which comprises a ray emitter and a ray receiver, the ray emitter is used for emitting rays capable of penetrating through a pole piece to the pole piece, the ray receiver is used for receiving the rays emitted by the ray emitter and penetrating through the pole piece, and the ray receiver is used for receiving the rays emitted by the ray emitter and penetrating through the pole piece. The ray emitter can move in a reciprocating mode in the first direction so as to change the area of a light spot formed on the pole piece. Therefore, the ray emitter is configured to be capable of changing the light spot area formed by the emitted rays on the pole piece, a large light spot is used in the main film area of the pole piece for detection, and a small light spot is used in the thinned area of the pole piece for detection, so that the coating surface density measurement precision of the thinned area of the pole piece can be improved; the surface density fluctuation of the thinning area can be captured in time, so that the detection precision can be improved, the product percent of pass can be improved, and the use reliability of the battery can be improved.