43 results about "Transillumination" patented technology

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 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 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 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.

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.

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.

[Problem] To enable a user to perform desired measurements easily, even if the user does not have specialist knowledge of CAD or measuring instruments. [Solution] An image measuring device 1 comprises: an epi-illumination unit 13a and a transillumination unit 13b; a drawing accepting unit 112 that accepts drawing data; a matching unit 114 that matches a workpiece shape included in the drawing data accepted by the drawing accepting unit 112 with a workpiece image included in an image generated by an imaging unit 15; a measurement setting unit 113 that accepts instructions of measurement positions or measurement items of the workpiece shape after the workpiece shape included in the drawing data and the workpiece image included in the image have been matched by the matching unit 114, and that reflects the instruction as a measurement position or a measurement item for the workpiece image; and an automatic adjusting unit 117 that, for each measurement element corresponding to each measurement position or measurement item for which an instruction was accepted by the measurement setting unit 113, automatically adjusts a measurement condition for extracting the measurement element.

The invention discloses a positioning tool and a detection method for radiographic inspection of a welding seam of a small-diameter cylinder. The positioning tool comprises a sliding rail, a sliding supporting frame, a sliding block with a lock and a limiting block. Wherein the slide block with the lock is positioned at one end of the slide rail, and the limiting block is fixed on the upper surface of the slide block with the lock; the sliding supporting frame is located on the sliding rail and has the limiting and collimating functions. In the use process, alignment can be automatically completed only by feeding the barrel and pushing the barrel to the limiting position, and angle deviation is avoided. According to the invention, the defects that the parallelism and straightness are difficult to guarantee, the efficiency is low and the transillumination cannot meet the standard sometimes due to the fact that two groups of rollers are manually placed in the prior art are overcome, the transillumination quality is improved, the rework rate is reduced, and the detection efficiency is effectively improved.

The utility model discloses a ray transillumination detection arrangement tool for an inner casing of a helicopter engine, and relates to the technical field of product ray detection. A support frame; and a rotating disc. According to the utility model, one end of the detected workpiece is locked through the fixing piece on the rotating disc, the bearing assembly supports the inner wall of the detected workpiece, and the acquisition film can be arranged on the bearing assembly, so that the wall seam condition of the detected workpiece is acquired; and then one end of the rotation adjusting assembly and one end of the second limiting assembly integrally drive the bearing assembly to cooperate with the rotating disc to drive the detected workpiece to perform detection position adjustment, so that the detection position adjustment work of the detected workpiece is completed. The detection arrangement tool does not need multiple persons to cooperate for detection work, and the whole detection process is simple and convenient. The defect that in the prior art, transillumination arrangement detection of the helicopter engine inner case is extremely inconvenient is effectively overcome.

The present application relates to a kind of based on ray image's cylinder piece defect positioning method, belong to cylinder piece defect positioning technical field, solve the problems of complex operation, low efficiency of prior art.The method of the present application comprises: the cylinder piece is divided into multiple imaging areas, and each imaging area of the cylinder piece is sequentially single-wall transillumination imaging according to the preset scanning path by imaging device, and the single image of each imaging area is acquired;According to the single image of scanning path, a single image is spliced into an image, and a spliced image is obtained;Identify the defect on the spliced image, and obtain the position of defect on the spliced image;According to the position of defect on the spliced image and the imaging parameter of imaging device, the position of defect on the cylinder piece is acquired.The present application realizes the rapid detection positioning of cylinder piece defect, when the ray transillumination imaging of cylinder piece is carried out, only single image is collected once for each imaging area, and the ray image of all areas of cylinder piece is obtained by splicing, simple operation, high efficiency.

The invention discloses a radiographic inspection calculation method for linear defect depth. The radiographic inspection calculation method comprises the following steps: making a special positioning mark; the special positioning mark comprises a plurality of branches which are radially distributed outwards by taking the same point as the center; performing primary transillumination on the part to obtain a primary transillumination negative film, and determining an object distance f and a focal length F; performing linear fitting on the linear defect on the primary transillumination negative film to obtain a linear defect fitting line, selecting a special positioning mark branch parallel to the linear defect fitting line according to the direction of the linear defect fitting line, and measuring the vertical distance L1 between the special positioning mark branch and the linear defect fitting line; performing parallel displacement on the part according to the normal direction of the overall trend of the linear defect, wherein the parallel displacement distance is W; performing secondary transillumination on the part subjected to parallel displacement to obtain a secondary transillumination negative film, performing linear fitting on the linear defect on the secondary transillumination negative film to obtain a linear defect fitting line, selecting a special positioning mark branch parallel to the linear defect fitting line, and measuring a vertical distance L2 between the special positioning mark branch and the linear defect fitting line; and calculating the depth of the linear defect according to the following publication.

The invention relates to a method and a device for generating an overview contrast image of a sample carrier in a microscope. The method comprises illuminating the sample carrier with transillumination light having a two-dimensional illumination array with individually switchable single light sources; taking a plurality of different raw overview images of the sample carrier, wherein for each raw overview image one of the individual single light sources is switched on; generating intermediate images from the raw overview images, wherein a brightness ranking of the raw overview image pixels is defined, each intermediate image is assigned exactly one brightness ranking, in each intermediate image for each pixel the raw overview image is sought in which the respective pixel has the brightness ranking to which the respective intermediate image is assigned, and the brightness value of the respective pixel of the found raw overview image is used; and combining the intermediate images to an overview contrast image, wherein the intermediate image assigned to the first brightness ranking is not considered and not included into the overview contrast image.

A light assembly system for providing transillumination and delivering materials through tissue is disclosed. The system includes a body with a proximal connector, a channel, and a light source, wherein the light source extends through a tube. The tube, which may be a needle or cannula, is designed for injection purposes and is configured to be connected to the body. Light emitted from the light source provides transillumination through the skin, aiding in the precise placement of the tube. The design enhances visualization and accuracy during medical procedures, reducing reliance on conventional methods and improving efficacy.

The utility model discloses an ultraviolet lamp box assembly of a gel imager, which comprises an ultraviolet lamp box provided with a sample transillumination area used for irradiating samples, and an automatic in-out mechanism used for driving the ultraviolet lamp box to move transversely. By arranging the automatic in-out bin structure, the in-out bin of the ultraviolet lamp box can be electrically controlled, the automation degree is high, samples are convenient to take and place, and compared with a traditional hand-pulled ultraviolet lamp box, the extra pollution risk caused by excessive contact of hands with the ultraviolet lamp box when the ultraviolet lamp box is pulled is avoided.

The invention relates to the technical field of tooth detection, in particular to a tooth health assessment method and system based on near-infrared transillumination, and the method comprises the following steps: S1, providing a near-infrared light source with the wavelength of 980nm to transilluminate teeth, and collecting near-infrared transillumination images of the teeth through a near-infrared camera; s2, inputting the near-infrared transillumination image into a pre-trained deep learning target detection model; s3, outputting positioning and classification results of lesion areas in the teeth through the deep learning target detection model; wherein the deep learning target detection model is an improved model based on a YOLOv8 architecture, and the improvement of the deep learning target detection model is that at least one standard CBS module in a neck network is replaced by a CBSv2 module; and the CBSv2 module is formed by sequentially connecting a deformable convolution DCNv2, a batch normalization BN layer and a SiLU activation function.

An ETT guide introducer (bougie) with video imaging, which comprises a body part including a hollow inner passageway extending to a distal section of the body part; and a video camera system including a housing mounted in the tip. The camera system further includes a camera and a light source configured to be inserted in the head section. Additionally, a method for external position visualization via transillumination using red light, a capability to deliver oxygen near the distal end, and the ability to inflate a balloon for widening an anatomical lumen.

The invention relates to a uterine transillumination device (1) for detecting scars on an uterus (100), particularly a human uterus, the device comprising at least the following components: a longitudinal body (1B) extending along a longitudinal axis (z), the longitudinal body (1B) having at least a tip portion (10) for being introduced in the cervix and the uterus cavity, wherein the longitudinal body (1B) further comprises a sheath portion (20) for the tip portion (10), wherein the tip portion (10) (A) is movable along the longitudinal axis (z) inward and outward the sheath portion (20), (B) comprises a first side (10-1) facing along a first radial direction (r1) away from the longitudinal axis (z) and a second side (10-2) facing toward the opposite direction of the first radial direction (r1), (C) comprises an illumination assembly (30) arranged on the first side (10-1) of the tip portion (10), wherein the illumination assembly (30) is configured to emit light radially away from the longitudinal axis (z) along the first radial direction (r1).

The present invention belongs to the field of machinery, specifically relating to an automatic film moving device for fuel rod radiography. A stud is connected to a vertical column; an adjustment rod is connected to a hollow plate, and a spring is mounted on the adjustment rod. A cylinder is connected to a cylinder fixing plate and a pressure plate, respectively. The cylinder fixing plate is connected to a first slider, and the cylinder fixing plate is magnetically connected to a magnetic block. A bearing is connected to the adjustment rod and an intermediate plate through a tolerance fit. The intermediate plate is connected to a connecting plate. There are four guide rods: the upper two guide rods are connected to the vertical column and the first slider, respectively, and the lower two guide rods are connected to the vertical column and the second slider, respectively. The second slider is connected to the intermediate plate. A magnetic ball is mounted on the cylinder fixing plate, and the magnetic ball is magnetically attracted to the magnetic block. The magnetic block is magnetically attracted to the magnetic ball, and the magnetic block is fixed to the connecting plate. The connecting plate fixes the connecting block, and the electric cylinder is connected to the connecting block. Advantages of this device include: increased sensitivity of the image quality meter on the film after imaging, and a 50% increase in film moving efficiency.

The method comprises the following steps: selecting a transillumination direction, dividing a to-be-detected welding joint into different areas according to the geometrical morphology and the structure of the to-be-detected welding joint, and selecting different transillumination directions according to the positions and the structures of the different areas; pasting, namely pasting a film on the surface of the to-be-detected welding joint by using a tool; transillumination: selecting transillumination parameters of the X-ray machine in different transillumination directions, and performing transillumination; and negative film evaluation: measuring negative film blackness and contrast sensitivity of the images obtained in the plurality of transillumination directions, and comparing a measured value with a reference value so as to determine whether welding seam detection meets technical requirements or not. According to the invention, the problem that the welding joint at the joint of the two cavities cannot be effectively detected due to the fact that the X-ray detection wire harness direction is perpendicular to the welding joint direction can be effectively solved.