69 results about "Transillumination" 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 provides a large-thickness electron beam weld defect repair welding spot X-ray positioning method which comprises the following steps: S1, adopting vertical transillumination for the first time to find defects; s2, selecting a heavy metal marker and arranging; s3, preliminarily positioning the relative position of the marker and the defect; s4, performing primary iterative positioning; s5, iterating for multiple times until the relative positions of the positioning marker and the defect are adjusted; s6, carrying out oblique incidence and transillumination arrangement; s7, picking off the film; s8, washing the film; s9, the position of a repair welding spot and the repair welding depth are measured and calculated; and S10, ending the detection. According to the X-ray positioning method for the repair welding spot of the large-thickness electron beam welding seam defect, a heavy metal marker selection method and an oblique incident ray defect positioning method are arranged, so that rapid and accurate positioning of repair welding of the large-thickness electron beam welding seam defect is realized.

The invention relates to a multi-layer body, comprising (I) a carrier layer made of a special thermoplastic polycarbonate molding compound and (II) a metal layer which has one or more recesses. The invention also relates to a lighting or display unit, comprising the multi-layer body and a light source, to a method for producing the multi-layer body, and to the use of the special thermoplastic polycarbonate molding compound as a carrier layer of such a multi-layer body.

The invention discloses an aluminum alloy casting defect identification method and system based on image analysis, and relates to the technical field of image analysis. According to the aluminum alloy casting defect identification method based on image analysis, multi-modal image data of a to-be-detected aluminum alloy casting is obtained, registration processing is carried out, and the to-be-detected aluminum alloy casting is divided into a plurality of analysis areas; based on the unified coordinate system, respectively acquiring corresponding areas of the visible light, the thermal image and the X-ray transillumination image in each analysis area, and extracting visible light, thermal image and X-ray transillumination characteristics of the corresponding analysis area; analyzing the corresponding surface texture, temperature gradient and transillumination projection comprehensive index; the method comprises the following steps: performing uniform registration and regionalization analysis on visible light, thermal images and X-ray transillumination images, performing matching analysis on the visible light, the thermal images and the X-ray transillumination images and preset corresponding defect intervals, and judging that an analysis area is a defect area when any index is in the corresponding defect interval. And the limitation that traditional single-mode detection can only identify specific types of defects is broken through.

The invention discloses a mirror symmetry type digital radiographic inspection tool, which comprises a bottom plate placed on an objective table of digital radiographic inspection equipment; a bearing platform of a workpiece is made of a material with a low ray attenuation coefficient; the multiple workpieces are placed at the two ends of the bottom plate in a mirror symmetry mode; the multiple sets of limiting pieces are installed on the bottom plate, each limiting piece is divided into a left part and a right part, and the limiting pieces of the left part and the right part are distributed in a mirror symmetry mode; each workpiece is correspondingly installed in the corresponding limiting piece. Through the design of the invention, the dependence on the skill of a ray operator can be reduced, the time consumed for placing the workpiece is reduced, and the repeatability and consistency in the ray detection process are ensured. More importantly, by reducing the position change of a five-axis movement system formed by the ray machine, the objective table and the imaging plate in the multi-workpiece detection process, the time required for multi-workpiece ray transillumination is remarkably shortened, and the detection efficiency is improved.

The invention relates to a cylindrical part defect positioning method based on a ray image, belongs to the technical field of cylindrical part defect positioning, and solves the problems of complicated operation and low efficiency in the prior art. The method comprises the following steps: dividing a cylinder part into a plurality of imaging areas, and sequentially carrying out single-wall transillumination imaging on each imaging area of the cylinder part according to a preset scanning path through an imaging device to obtain a single image of each imaging area; splicing the single images into one image according to the scanning path to obtain a spliced image; identifying a defect on the spliced image, and acquiring the position of the defect on the spliced image; and acquiring the position of the defect on the cylinder part according to the position of the defect on the spliced image and the imaging parameter of the imaging device. According to the invention, rapid detection and positioning of defects of the cylinder part are realized, when ray transillumination imaging is carried out on the cylinder part, only one single image is acquired for each imaging area, ray images of all areas of the cylinder part are obtained through splicing, the operation is simple, and the efficiency is high.

The invention provides a rocket box bottom flange welding seam digital imaging detection method and system, and the method comprises the steps: arranging a ray source at the center of the inner side of a flange welding seam, arranging an imaging plate in the circumferential direction of the outer side of the flange welding seam, and pasting an image quality indicator on the surface of one side, close to the ray source, of the flange welding seam, the ray source and the imaging plate are connected with the imaging control system through cables; relevant parameters are set through an imaging control system; and transilluminating, and enabling the image processing and display system to analyze the obtained negative film to obtain a detection result. Digital ray imaging detection is carried out by adopting a central transillumination method according to the structure of the box bottom flange welding seam, one-time transillumination detection of the box bottom flange welding seam can be realized through the circumferential transillumination line source anode target and the flexible digital ray imaging plate, the working hours of ray detection are shortened, meanwhile, the loss of a negative film is reduced, the detection efficiency is improved, and the detection cost is reduced. The method can be suitable for digital radiographic inspection of tank bottom flange weld joints with various diameters, and has high applicability.

The invention discloses a fusion reactor vacuum chamber shell and support column welding seam detection system and detection method, and belongs to the technical field of welding seam detection. Wherein the section of the welding seam is annular, and an eccentric inner hole is formed in the supporting column. The detection system comprises a mounting assembly, a first ultrasonic detection device, a second ultrasonic detection device and a ray detection device, wherein the mounting assembly comprises a first moving unit, a second moving unit, a third moving unit and a fourth moving unit; the first ultrasonic detection device is selectively arranged on the first moving unit or the second moving unit and is used for carrying out ultrasonic ring scanning detection on a welding seam; the ray detection device is arranged on the third moving unit and is used for carrying out ray transillumination detection on the welding seam; the second ultrasonic detection device is arranged on the fourth moving unit and used for conducting ultrasonic ring scanning detection on the weld joint. According to the invention, a digital ray detection technology and an array ultrasonic detection technology are combined, 100% full-coverage detection of the welding seam can be realized, and a detection result of the welding seam defect is obtained.

In various aspects, microscope systems are described, comprising or corresponding to optical microscopes, such as for example a transillumination microscope or a fluorescence microscope. The microscope systems may be used independently or configured with or integrated into another device or system, such as an imaging mass spectrometer or imaging mass cytometer. In various embodiments of this aspect, the microscope system is used to obtain one or more images of a sample, such as at a variety of different light collection wavelengths and / or for a variety of different illumination conditions. The microscope systems can employ various optical components and configurations allowing for high throughput imaging, such as components for imaging the sample at suitable resolutions with a wide field of view and / or for spatially separating different detection channel wavelengths from light output (e.g., transmitted or emitted light) from the sample.

The invention discloses a digital radiographic inspection compliance judgment digital system based on a digital negative film, which integrates a plurality of functional modules such as report data input, transillumination process compliance examination, film processing and image analysis, blackness automatic evaluation, image quality indicator automatic identification and the like. A radiographic inspection report can be automatically analyzed, the compliance of key process parameters can be examined, automatic processing and quality evaluation are carried out on a detection film through a high-resolution digital processing and image analysis technology, meanwhile, a built-in deep learning model can accurately recognize welding seam and base metal areas and image quality indicator information, and the detection accuracy is improved. The accuracy of a detection result is ensured; a compliance report can also be automatically generated and adjustment suggestions can be provided. According to the invention, automatic and intelligent management of the whole process of nuclear power ray detection is realized, the efficiency and accuracy of ray detection are obviously improved, and the system is suitable for nuclear power and other fields requiring high-precision ray detection.

The utility model discloses a pipeline X-ray detection auxiliary device which comprises a frame, an advancing mechanism is adjustably installed on the frame, two supporting pipes are installed in the middle of the frame in parallel, two sleeves are movably installed on the supporting pipes in a sleeved mode, a half-frame-shaped supporting rod is connected to the sleeves located at the same ends of the two supporting pipes, and the half-frame-shaped supporting rod is connected with the traveling mechanism. The upper portions of the two supporting rods intersect and then are hinged to form an X-shaped supporting frame used for installing an X-ray machine. The height and the width of the whole structure can be adjusted so as to adapt to detection of pipelines with different pipe diameters. According to the device, the interior of the pipeline is illuminated through the illuminating lamp, the position of a ray source of the X-ray machine is observed through the camera, then the advancing wheels are controlled to work, a welding seam of the pipeline is positioned through the laser wire bonding device, the ray source of the X-ray machine is right located at the welding seam of the detected pipeline, and the function of ray detection center transillumination is achieved.

The present invention belongs to the field of machinery, and specifically relates to a multifunctional X-ray machine transillumination platform device. The device comprises a platform body and a detection mechanism, one end of the platform body being fixedly connected to the detection mechanism. The present invention has the following beneficial effects: (1) the efficiency of X-ray machine transillumination detection is increased by approximately 20%; (2) the transillumination detection requirements of multiple types of nuclear fuel products (more than six types) are met; (3) the level of automation is improved, and the labor intensity of personnel is reduced by approximately 70%; (4) the detection stability is improved by approximately 34%; and (5) the potential risk of products falling to the ground and being scrapped during detection is eliminated.

The invention relates to an X-ray image acquisition device for three-dimensional reconstruction of GIS equipment and an acquisition method thereof, a first airbag unit is arranged in an accommodating cavity, the top end of an adjusting unit is connected with the bottom end of the first airbag unit, and the bottom end of the adjusting unit is in contact with the peripheral wall of the GIS equipment; the X-ray assembly is communicated with the first air bag unit through the first connecting assembly, and the imaging assembly is communicated with the first air bag unit through the second connecting assembly; the acquisition process comprises the steps of mechanical verification, parameter setting, transillumination acquisition and optimization of a three-dimensional imaging reconstruction process; the vehicle body is used for carrying the supporting frame to drive the X-ray assembly and the imaging assembly to move synchronously, and the relative position of the imaging assembly and the X-ray assembly can be adjusted in a self-adaptive mode according to the concave-convex road surface and the height change of GIS equipment in the operation process by controlling the adjusting assembly. On the basis of ensuring the stability of the collection process, the manual calibration time and the manpower, material resources and time cost of field adjustment are saved, the collection efficiency is improved, and meanwhile, the safety is improved.

The utility model provides a radiographic inspection film arrangement device, which belongs to the field of radiographic inspection and comprises a retainer, a camera bag lead plate mounting part is arranged on one side of the retainer, a hinge seat is arranged on the other side of the retainer, a telescopic rod is hinged on the hinge seat, and the axial direction of a hinge shaft of the telescopic rod and the hinge seat is the length direction of the retainer. The device has the beneficial effects that the device can assist a worker to arrange films under the condition of lacking a manhole, so that the film arrangement accuracy and protection requirements are met, and single-wall transillumination of a workpiece can be ensured.

The utility model relates to the technical field of measuring devices, and discloses a measuring device of an electron accelerator, which comprises a base and a placing box, a working plate is fixedly mounted at the top of the base, a transmission illuminator is fixedly mounted on the outer side of the base, and a support is fixedly mounted at the bottom of the outer side of the transmission illuminator. An observer is fixedly installed in the placing box, a display screen is fixedly installed on the inner side of the top end of the transmission illuminator, a processor is fixedly installed on the outer side of the base, a containing cavity is formed in the support, a clamping assembly is arranged in the containing cavity, limiting assemblies are arranged on the two sides of the inner wall of the containing cavity, and a driving assembly is arranged on the outer side of the support; a protection assembly is arranged on the outer side of the base. By arranging the clamping assembly, the observer on the containing box can be conveniently assembled or disassembled, the phenomenon that the observer on the containing box is driven by the rotating shaft to turn over, and consequently the observer is abraded and loosened is prevented, abrasion of parts is reduced, the structural stability is improved, and the practicability of the equipment is improved.

The utility model relates to the technical field of ray detection, and discloses a ray transillumination tool for precision casting parts, which comprises a box seat, a lead screw module is arranged in the box seat, the input end of the lead screw module extends out of the box seat and is fixedly provided with a hand wheel, and the top of the box seat is provided with a rectangular groove. A sliding table of the lead screw module penetrates through the rectangular groove and is fixedly provided with a bottom plate, the upper side of the bottom plate is rotationally provided with a right-angle storage plate through a first rotating base, a calibration mechanism used for adjusting the translation position of the right-angle storage plate is arranged between the box base and the bottom plate, and protractors are fixedly installed at the two ends of the upper side of the bottom plate correspondingly; a positioning mechanism used for adjusting the swing angle of the right-angle storage plate is arranged between the protractor and the right-angle storage plate, and a pair of lead plates is fixedly installed on the upper side of the right-angle storage plate. The device is flexible and adjustable in structure and simple and convenient to operate, effectively solves the problems of complicated operation, low efficiency and poor consistency in the traditional method, and meets the high-standard requirement of radiographic inspection of precision casting parts.

The utility model discloses mouse tail vein blood sampling operation platform, including platform main part, fixed cylinder, apron and through -hole, the central position department of platform main part top is provided with fixed cylinder, and one end of fixed cylinder is provided with apron, and the central position department of apron is opened with through -hole, one side of platform main part is provided with screw rod through support, and the drive block is set up on screw rod, and the top of drive block is provided with the transillumination table, and the top side of transillumination table is opened with the groove, the transillumination table in the groove below is provided with transmission lamp, one side of support is provided with hand wheel, and one end of hand wheel is connected with screw rod. The utility model discloses platform main part, fixed cylinder, transillumination table, support, screw rod, hand wheel, drive block, groove and transmission lamp are installed, and the vein is clearly shown in mouse tail with light, and is adjusted freely according to the specific difference of mouse tail.

A fixing device for pressure vessel welding seam X-ray transillumination detection comprises a sliding rail arranged on the ground in an X-ray flaw detection room, a mounting plate connected to the sliding rail in a sliding mode, supporting frames symmetrically arranged at the top of the mounting plate, a fixing rod arranged between the supporting frames, a fixing ring arranged on the fixing rod, and a fixing groove formed in the circumferential face of the fixing ring. Fixing belts used for fixing the pressure vessel are arranged in the fixing grooves, positioning blocks are symmetrically arranged on the mounting plate, a rotating rod is arranged between the positioning blocks, a rotating ring is arranged on the rotating rod, rotating grooves are formed in the circumferential surface of the rotating ring, and a driving belt used for fixing the middle of the pressure vessel and preventing the pressure vessel from shaking is arranged in the rotating groove. The utility model has a simple and reasonable structure, and can effectively reduce the damage of the pressure vessel in the X-ray detection process.

This invention discloses a magnetic collar and electrode needle combination positioning system for lung nodule localization during lung nodule resection surgery. The system includes a medical imaging module for acquiring a transillumination view of the lungs; a real-time imaging module for acquiring real-time in-vivo imaging of the patient for lung nodule localization guidance; and a positioning module comprising several pairs of magnetic collars and electrode needles. The magnetic collars have holes for the electrode needles to pass through, and are magnetically fixed to the inside and outside of the thoracic cavity. The electrode needles are electrically connected to a current generator that generates a current that causes minimal damage to the lungs and leaves a visible mark. Using this invention, the electrode needles can leave marks on the lung surface, facilitating intraoperative determination of the lung nodule location.

The invention relates to a method (100) for producing labels (30), said method comprising punching (101) labels (30) from a label material adhering to a carrier web (31). The method (100) comprises an automatic punching check (103) within a device (10) for producing the labels (30), wherein the automatic punching check (103) comprises transilluminating (104) the carrier web (31) and recording (105) a transillumination record (32).

The invention belongs to the technical field of non-destructive testing of products, and discloses a non-destructive testing tool and method for butt welds of dissimilar steel pipe joints, the tool structure comprises a plurality of dissimilar steel pipe joints, a roller transmission rod, an X-ray transillumination system and a digital imaging processing system; the multiple dissimilar steel pipe joints are coaxially distributed, and the adjacent dissimilar steel pipe joints are connected through the pipe joint connecting tools to form a pipe column structure. The tubular column structure is erected on the roller transmission rod and is moved to a transillumination position of the X-ray transillumination system through the roller transmission rod; and the X-ray transillumination system is in communication connection with the digital imaging processing system. According to the invention, the plurality of dissimilar steel pipe joints are coaxially distributed and arranged, and the adjacent dissimilar steel pipe joints are respectively connected through the pipe joint connecting tools to form a pipe column structure, so that the dissimilar steel pipe joints form a pipe column body with a certain length, the X-ray transillumination system is convenient to carry out transillumination, and the nondestructive testing efficiency of the butt weld is improved.

The invention provides a multi-layer steel plate curved structure gap measurement method, device, equipment and medium, and relates to the technical field of gap measurement, the method comprises the following steps: using rays to transilluminate a multi-layer steel plate curved structure to obtain a transillumination image; respectively determining image interlayer gap data and image steel plate thickness data of the multilayer steel plate curved structure according to the transillumination image; and according to the image interlayer gap data, the image steel plate thickness data and the actual steel plate thickness data of the multi-layer steel plate curved structure, determining actual interlayer gap data. According to the method, accurate actual interlayer gap data can be determined, so that safety accidents are avoided.

The invention belongs to the technical field of radiographic inspection, and particularly relates to a radiographic inspection method for a double-T-shaped welded joint. Through a double-wall vertical transillumination and double-wall inclined transillumination cooperative detection technology, full-thickness coverage detection of a welding seam is realized, 100% detection of defects such as incomplete penetration and incomplete fusion is ensured, and spatial distribution of the defects is accurately positioned. And mechanical property verification is combined, so that the safety and reliability of a welding joint are ensured. By optimizing the detection process and the partition transillumination process, the detection period is shortened by 42%, the repair positioning precision is improved to + / -0.5 mm, and the invalid repair area is reduced by 65%. The defects of incomplete penetration and root indentation within a certain range are allowed to exist, high cost and structural deformation risks caused by comprehensive repair are avoided, and the balance of process economy and quality control requirements is achieved. Meanwhile, a three-dimensional defect map is established by utilizing a digital image processing technology, so that a quantitative basis is provided for subsequent process optimization. The invention provides a systematic solution for the quality control of the welding joint with the complex geometric structure.

The utility model relates to the technical field of X-ray machine auxiliary equipment, in particular to an X-ray machine transillumination support which comprises a bottom frame, a supporting frame, a supporting table, an electric push rod, a sliding rail and an auxiliary unit, the auxiliary unit comprises an arc column, a U-shaped plate, a connecting plate, a base, a sliding rod, a spring, a plurality of rolling rollers and a locking assembly, and the X-ray machine is placed on the supporting table; at the moment, the connecting plate shares the pressure borne by the supporting table, the gravity of the connecting plate can act on the U-shaped plate, the rolling roller abuts against the base to move rightwards in the U-shaped plate, so that the spring is compressed, the counter-acting force of the spring is facilitated to firmly drive the rolling roller to make contact with the arc column, and the locking assembly is used for fixing the X-ray machine. In this way, the pressure of the contact face of the supporting table and the sliding rail is shared, abrasion is reduced, and normal work of medical workers is guaranteed.

The invention discloses a vitrectomy transillumination jacking and pressing device, which belongs to the technical field of medical instruments and comprises a jacking and pressing device and light-guide fibers arranged in the jacking and pressing device. Wherein the jacking device is a tubular part with a preset length and an inner diameter, two ends of the tubular part are respectively connected with a holding end and a working end, the holding end and the working end are hollow, light-transmitting illumination can be performed from the outside while local eyeball jacking is performed, and the eyeball wall is light-transmitting to observe the fundus.

An imaging apparatus is provided that includes a fluorescence microscope (115), an imaging sensor (120), and an optical module (110) and phase light (125) to facilitate epifluorescence imaging of three (or more) color channels and to perform phase contrast and / or brightfield imaging of a sample without manual adjustment of the imaging apparatus. This allows for automated imaging of multiple samples over an extended period of time by the imaging apparatus located inside an incubator (180) without disturbing the incubator environment to manually adjust the apparatus. Embodiments are also provided that facilitate user replacement of the detachable optical module (110) and / or transillumination module (125) to allow the imaging apparatus to accommodate different combinations of assays and / or fluorescent indicators in order to increase the variety of experiments and / or fluorescent dyes that can be imaged using the imaging apparatus.

[Problem] To facilitate setting of measurement conditions. [Solution] An image measuring device 1 comprises: an epi-illumination unit 13a and a transillumination unit 13b; a measurement setting unit 113 that sets, as measurement elements, at least one of a plurality of measurement positions or one or more measurement items for a workpiece image included in an image generated by an imaging unit 15; an automatic adjusting unit 117 that automatically adjusts, for each measurement position, a plurality of types of measurement conditions including an imaging condition of the imaging unit 15 with respect to the measurement elements set by the measurement setting unit 113; and a measuring unit 110A that extracts edges from the image generated by the imaging unit 15 on the basis of the measurement elements set by the measurement setting unit 113 and the measurement condition automatically adjusted by the automatic adjusting unit 117, and performs measurement of the measurement elements using the edges.

Magnifying Transillumination Mirror Clip

The utility model discloses a universal film type radiographic inspection tool for parts such as circumferential weld joints of small-diameter pipes. The universal film type radiographic inspection tool comprises a transmission mechanism, a base, an indexing disc, an indexing circle parallel shaft and a film detection system tool, the top of the base is provided with an arc-shaped bearing groove corresponding to a part, and the transmission mechanism is used for rotating the part. The outer side of the end part of the part is sleeved with an index plate, one side of the index plate is rotatably provided with a turntable, the peripheral side of the turntable is provided with two reference circle parallel shafts parallel to the part, and the area between the two adjacent reference circle parallel shafts is an area for single exposure observation; the film detection system tool is inserted into the part in parallel, a lead sheath is arranged at the position, corresponding to a weld joint, of the film detection system tool in the part, and a rotating mechanism is arranged at one end of the film detection system tool. The radiographic inspection of 360-degree film type source outside single-wall transillumination can be realized by rotating the part and the reference circle, and the radiographic inspection device has the advantages of simple structure, convenience in assembly and disassembly and high universality.