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34results about How to "Clear imaging" patented technology
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Optical waveguide assembly, near-eye display device and optical device
ActiveCN224216901Uclear imagingtotal reflection propagation reductionOptical light guidesGratingDisplay device
The utility model discloses an optical waveguide assembly, a near-to-eye display device and an optical device, the optical waveguide assembly comprises a composite layer, a grating and a reflecting layer, the composite layer comprises a plurality of dielectric layers, the dielectric layers comprise a first dielectric layer located on the surface layer, and a total reflection area is at least formed in the first dielectric layer; the gratings are arranged on the same side of the first dielectric layer, the coupling-in grating is used for coupling incoming light into the total reflection area to form total reflection propagation, and the coupling-out grating is used for coupling at least one part of the light in the total reflection area out of the composite layer; the reflecting layers are selectively arranged in a plurality of areas on the outer side surface of the first dielectric layer and used for reflecting light rays of the total reflection area so that the light rays can continue to be transmitted along a total reflection path, and the reflecting layers of at least one area are arranged at intervals. According to the optical waveguide assembly disclosed by the utility model, external light can be transmitted to the composite layer on the premise that light can be propagated in a total reflection manner through the reflecting layers arranged at intervals, so that the lighting effect and the contrast display effect are ensured.
Owner:ZHUHAI MOJIE TECH CO LTD
4k high-definition lens and imaging device
This application discloses an imaging device with an operating temperature range of -40℃ to +60℃, comprising a 4K high-definition lens and a detector for receiving images captured by the 4K high-definition lens. The 4K high-definition lens has a focal length of 50mm, a relative aperture of 1.25, and operates in dual bands: 0.43~0.656μm and 0.7~1μm. The detector has a pixel count of 3840×2160 and a pixel size of 2.9μm. The 4K high-definition lens employs a heat-free design using domestically produced spherical glass, resulting in a simple, compact structure and small size. It utilizes a high-dispersion material lens and a low-dispersion material glass bonded together to achieve dispersion matching. The combination of different lenses and the rational allocation of optical power ensure excellent optical performance. Furthermore, it is suitable for imaging in high-brightness daytime and low-light nighttime environments and can switch bands for imaging, ensuring clear images both day and night.
Owner:CHENGDU JINGPIN NIGHT VISION OPTOELECTRONICS TECHNOLOGY CO LTD
High-illumination projection assembly and welcome light
ActiveCN116165774BLarge imaging rangeclear imagingProjectorsOptical signallingIlluminanceOphthalmology
The application discloses a high-illumination projection assembly and a welcome lamp, which comprise an illumination lens group, an imaging lens group and a shell assembly; the imaging lens group comprises, in sequence from the image side to the object side, a first lens with positive refractive power, a second lens with negative refractive power and a third lens with positive refractive power; the imaging lens group has three lenses with refractive power; the illumination lens group comprises, in sequence from the image side to the object side, a fourth lens with positive refractive power and a fifth lens with positive refractive power; the imaging lens group satisfies the following conditional expression: 54.115mm < f123 / tan (Semi-Fov1) < 134.382mm; the imaging range of the imaging lens group can be wide, the pattern projected by the projection assembly has higher recognition and the imaging is clearer.
Owner:HUIZHOU XINGJUYU INTELLIGENT TECH CO LTD
Autofocus method, focusing system, computer readable storage medium and electronic device for wafer detection
ActiveCN122027894Bclear imagingfor subsequent measurementsImage analysisTelevision systemsComputer graphics (images)Engineering
The application provides an automatic focusing method for wafer detection, a focusing system, a computer readable storage medium and an electronic device, wherein the automatic focusing method comprises the following steps: for a wafer surface focusing area, a plurality of original images with different exposure times are collected by a camera, high dynamic range (HDR) synthesis and non-linear correction are performed on the original images to obtain a preprocessed image; at least one quality evaluation index of the preprocessed image is calculated, if the index does not reach a preset threshold, it is determined that the current image is invalid and is discarded; if the verification is passed, subsequent steps are performed; at least one focusing sharpness feature is extracted from the preprocessed image that passes the verification; based on the extracted focusing sharpness feature, a comprehensive focusing score of the current image is calculated; a search is performed in the Z-axis direction, and the above steps are repeatedly performed iteratively at different Z-axis positions to obtain the comprehensive focusing scores corresponding to the positions; the Z-axis position that makes the comprehensive focusing score reach the maximum is found as the best focusing position.
Owner:MAIQIAOLI (SHANGHAI) SEMICON TECH CO LTD
Underwater Microscopic Observation Instrument
This disclosure relates to the field of underwater optical imaging technology, specifically providing an underwater microscopic observation instrument, including a light source chamber and an imaging chamber connected by a focusing mount. The imaging chamber contains an imaging unit for imaging underwater targets between the light source chamber and the imaging chamber. The light source chamber includes a first housing, optical components, and a driving mechanism. The optical components include a laser and a dimming assembly. The laser outputs a pulsed laser beam. The dimming assembly includes a reflector, a conical mirror, and a lens arranged sequentially along the optical axis of the pulsed laser beam. The conical reflector of the mirror reflects the pulsed laser beam, forming a first reflected beam. The first reflected beam is reflected by the inner surface of the reflector to form a conical second reflected beam, which passes through the lens and converges on the optical axis to form an illumination layer. The driving mechanism is used to adjust the position and thickness of the illumination layer to improve the clarity of the underwater imaging of the target by the imaging chamber.
Owner:INST OF SEMICONDUCTORS - CHINESE ACAD OF SCI
Wide-temperature long-wave infrared coaxial four-mirror optical lens for space tiny dark and weak target detection
ActiveCN121956316Aimprove integrityImprove stabilityPicture taking arrangementsMountingsLight beamLong wave infrared
The invention discloses a wide-temperature long-wave infrared coaxial four-mirror optical lens for space tiny dark and weak target detection, and solves the problems that an existing optical lens for space tiny dark and weak targets is large in size, high in weight and poor in temperature adaptability. The first reflecting mirror, the second reflecting mirror, the third reflecting mirror and the fourth reflecting mirror are sequentially and coaxially arranged from a light incident end to a light emergent end; the reflecting surfaces of the first reflecting mirror and the second reflecting mirror are oppositely arranged, and the reflecting surfaces of the third reflecting mirror and the fourth reflecting mirror are oppositely arranged; light through holes are formed in the centers of the second reflector, the third reflector and the fourth reflector; the second reflector is used for receiving incident light and reflecting the incident light to the first reflector, and light beams reflected by the first reflector enter the fourth reflector through light through holes in the centers of the second reflector and the third reflector and are reflected to the third reflector for reflection. And the light beams reflected by the third reflector pass through a light through hole in the center of the fourth reflector and then are converged to a photosensitive receiving surface of an external detector.
Owner:XIAN INST OF OPTICS & PRECISION MECHANICS CHINESE ACAD OF SCI
An infrared spherical pan-tilt camera with voice prompts
This utility model relates to the field of security monitoring equipment technology, and in particular to an infrared PTZ camera with voice prompts. It includes a base, with a main body shell fixedly connected to the upper end of the base. An adjustment device is fixedly connected to the lower inner wall of the main body shell, a mounting block is fixedly connected to the upper end of the adjustment device, and a protective device is fixedly connected to the upper end of the mounting block. The protective device of this infrared PTZ camera with voice prompts uses a rubber protective sleeve to wrap around the camera body, effectively resisting external impacts. The design of the connecting block positioning groove and the camera positioning groove provides stable protection for internal components, preventing sand and rain from entering, avoiding camera scratches and water mist interference, ensuring clear imaging, and simultaneously ensuring the safe and stable storage of data in the memory card slot. The adjustment device uses a rotary motor with a gear transmission structure, making the captured image more stable.
Owner:江苏中楚通讯有限公司
VR optical system and near-eye display device
The application discloses a VR optical system and a near-eye display device, the VR optical system comprises one optical lens close to the human eye side and at least one microlens array close to the display side; the optical lens has positive focal power, has a first surface close to the human eye side and a second surface away from the human eye side, the first surface is a concave surface, and the second surface is a convex surface; a composite film layer is arranged or attached on the first surface, and a partial reflector is arranged on the second surface; the microlens array has oppositely arranged first and second surfaces, the first surface has a plurality of microlens units, the plurality of microlens units have the same or different focal lengths, and the second surface is a plane. By arranging a special film layer on the optical lens and reasonably matching the microlens array, multiple light paths can be folded back, the thickness of the system is greatly reduced, a multiple visual field is established, the visual field in each small range can be optimized, and therefore clearer imaging quality can be obtained.
Owner:NINGBO YAK TECH IND CO LTD
Reflection type astronomical telescope
ActiveCN224216947UPrecisely adjust the pointingclear imagingTelescopesMountingsOptical axisAstronomical telescopes
The utility model discloses a reflection type astronomical telescope, which relates to the technical field of astronomical telescopes and comprises a lens cone, a main lens bracket and a movable frame arranged at one end of the lens cone and coaxially arranged on the inner side of the main lens bracket, a main lens is arranged on the movable frame, a plurality of elastic rings are arranged on the inner wall of the movable frame, and a plurality of first adjusting screw rods are arranged on the main lens bracket in a threaded penetrating manner. One end of each first adjusting screw rod is connected with the corresponding elastic ring; the pair of glasses has the beneficial effects that the angle of the movable frame is independently adjusted through the four first adjusting screw rods arranged on the main glasses frame, and the pointing direction of the main lens is accurately adjusted; three second adjusting screws of the auxiliary mirror bracket independently adjust the angle of the auxiliary mirror seat and accurately adjust the direction of the auxiliary mirror, and the two are matched to accurately align the optical axes of the main mirror and the auxiliary mirror, so that clear imaging is facilitated; the operation mode is simple and convenient, and the observation effect can be effectively improved.
Owner:PING TANG MAI CHONG XING LV XING YOU XIAN GONG SI
A carotid artery missegmentation processing method and device for robotic autonomous scanning
ActiveCN121265113BAvoid the problem of following the wrong blood vesselsReduce false recognition rate
The application discloses a carotid artery mis-segmentation processing method and device for robot autonomous scanning, and the method comprises the following steps: calculating an average height; controlling the ultrasonic probe to start moving from the starting point of longitudinal scanning, and acquiring a current ultrasonic image in real time; calculating the height mean value and the height standard deviation of the longitudinal profile of the blood vessel; judging whether the longitudinal profile of the blood vessel is a jugular vein; if yes, calculating the moving distance along the X-axis direction of the tool coordinate system at the next moment and the exertion strength at the next moment; otherwise, taking the preset step length and the preset strength as the moving distance and the exertion strength at the next moment respectively, determining the moving direction at the next moment based on the trend of the longitudinal profile of the blood vessel; controlling the ultrasonic probe to move to the position at the next moment, and re-executing the above process until the ultrasonic probe moves to the end point of the longitudinal scanning. The method effectively reduces the adverse effect of carotid artery mis-segmentation on scanning, and ensures that the carotid artery can be continuously and stably tracked.
Owner:武汉库柏特科技股份有限公司
Optical lens adjusting device
ActiveCN224203492Ucompact structureSimple structurePhotomechanical exposure apparatusMountingsOptic lensMechanical engineering
Owner:RAINTREE SCI INSTR SHANGHAI
Optical system and projection device
This invention discloses an optical system and a projection device. The optical system has an object side and an image side arranged opposite each other along the optical axis. From the object side to the image side, the optical system sequentially includes a zoom lens assembly and a focusing lens assembly. The zoom lens assembly includes a first lens assembly with negative optical power, an aperture stop, a second lens assembly with positive optical power, and a third lens assembly with positive optical power, arranged sequentially from the object side to the image side. The aperture stop and the second lens assembly are fixed in position relative to the image side. The first lens assembly and the third lens assembly can move closer to each other or further away from each other along the optical axis to enable the optical system to zoom. The focusing lens assembly has positive optical power and can move to a corresponding position along the optical axis to enable the optical system to focus, thus solving the problem of low zoom efficiency in existing optical lenses.
Owner:UNION OPTECH
Drilling, peeping, limiting, cleaning and scraping integrated device for mine
According to the drilling, peeping, limiting, cleaning and scraping integrated device for the mine, an adjustable limiter is extruded by adjusting the distance between two screwing rings, so that the adjustable limiter deforms in the radial direction and is matched with a drilling hole; the steel wire rope is connected with the guide head so as to pull the adjustable limiter to move in the drill hole; the peeping probe is arranged at the front end of the guiding head, the water pipe extends to the sensor on the side portion of the peeping probe, and the sensor is located on the side portion of the guiding head and moves along with the guiding head to detect the inner wall of the drill hole. The detection device is guaranteed to be always displaced from the center position of a drill hole through the adjustable limiter, a water pipe is connected to the guide head, and small broken stones on the lens and hole wall muddy substances attached to the peeping probe are flushed through water, so that imaging of the peeping instrument is clearer; the sensor can obtain rock mass structural feature information and rock mass mechanical property information by detecting the inner wall of the drill hole.
Owner:YUWU COAL CO LTD OF SHANXI LUAN GRP
Stent and focused ion beam scanning electron microscope dual beam system
The present disclosure relates to a kind of support and focused ion beam scanning electron microscope double-beam system, support is used to be installed on the sample stage in focused ion beam scanning electron microscope double-beam system, support is formed with the installation inclined plane for installing the sample to be measured by grinding process, the included angle β of installation inclined plane with the sample stage in focused ion beam scanning electron microscope double-beam system is acute angle.Through the above technical scheme, the range of ion beam its on the sample surface is wider, and energy distribution is relatively more uniform, avoid the obvious processing speed difference in soft and hard junction area when vertical incidence, reduce the problem of inconsistent processing speed caused by the soft and hard uneven inside sample, to effectively reduce the phenomenon of strip mark along processing direction, reduce the influence of curtain effect, so that, when subsequent observation by electron microscope, the real structure of material can be accurately presented, to obtain more accurate analysis result.
Owner:CHENGDU ZIGUANG SEMICON TECH CO LTD
A long-wave infrared zoom lens
The application discloses a long-wave infrared zoom lens, which comprises a front fixed group, a zoom group, a compensation group, a rear fixed group and a protective window in sequence from an object side to an image side along an optical axis; the front fixed group comprises a first lens, the zoom group comprises a second lens, the compensation group comprises a third lens, the rear fixed group comprises a fourth lens and a fifth lens, and the second lens and the third lens can reciprocate along the optical axis; and the focal length range of the long-wave infrared zoom lens is 20mm-100mm. The long-wave infrared zoom lens has the advantages of small weight and light volume, and the zooming and compensation are respectively realized by using single lenses, so that the optical axis stability in the zooming process can be well ensured, the adjusting mode is simple, the requirement on the lens structure is low, production and assembly are simple, lens precision is easy to ensure, tolerance analysis is easy, and mass production is easier to realize.
Owner:CHENGDU JINGPIN NIGHT VISION OPTOELECTRONICS TECHNOLOGY CO LTD
A microscopic observation device for soil particles in shaking table tests
This utility model relates to a microscopic observation device for soil particles in shaking table tests, belonging to the technical field of civil engineering experimental equipment. It includes a vibrating base that supports the entire device and provides controlled vibration power; a fully transparent model box is mounted on the vibrating base to hold the soil particle sample to be observed, and the bottom layer of the fully transparent model box has symmetrically arranged wave-absorbing sponge layers on its left and right sides; a miniature camera assembly is mounted on the vibrating base, vibrating synchronously with the fully transparent model box; the miniature camera assembly includes a camera with high-speed continuous shooting capability, and the frame rate of the miniature camera assembly is not less than 300fps; a horizontal electric guide rail is mounted on the vibrating base; and a vertical electric lifting column is mounted on the horizontal electric guide rail. This utility model effectively eliminates the relative displacement problem caused by the asynchronous movement of the camera equipment and the model box in shaking table tests.
Owner:SHENZHEN UNIV
High performance airborne head-mounted low-light-level night vision optical system
ActiveCN119200155Blow costExcellent high and low temperature resistanceCoatingsOptical elementsNight visionOphthalmology
The application relates to the technical field of optical design, in particular to a high-performance airborne head-mounted low-light-level night vision optical system which sequentially comprises a first positive lens, a first cemented component, a fourth positive lens, a fifth positive lens, a second cemented component and an eighth negative lens along an optical axis from an object side to an imaging surface; the first positive lens has positive focal power, the object side thereof is a convex surface, and the image side thereof is a concave surface; the object side of the first cemented component is a concave surface, and the image side thereof is a concave surface; the fourth positive lens has positive focal power, the object side thereof is a convex surface, and the image side thereof is a convex surface; the fifth positive lens has positive focal power, the object side thereof is a convex surface, and the image side thereof is a convex surface; the object side of the second cemented component is a concave surface, and the image side thereof is a convex surface; and the eighth negative lens has negative focal power, the object side thereof is a concave surface, and the image side thereof is a convex surface. The application has the advantages of a large relative aperture, low cost, good image quality, miniaturization and lightness, good thermal stability and normal operation at low and high temperatures.
Owner:HUNAN AEROSPACE JIECHENG ELECTRONIC EQUIP CO LTD
Long-wave uncooled infrared continuous zoom lens and imaging system
ActiveCN119471996Bclear imaging
The application provides an imaging system, comprising a long-wave uncooled infrared continuous zoom lens, the lens comprising a first lens, a second lens, a third lens, a fourth lens and a fifth lens arranged in sequence along the transmission direction of the optical axis, the second lens and the third lens can reciprocate along the direction of the optical axis, and the air gap between the first lens and the second lens is 29.221-62.672 mm, the air gap between the second lens and the third lens is 7.845-62.57 mm, the air gap between the third lens and the fourth lens is 7.577-28.851 mm, the air gap between the first lens and the fourth lens is 110.048 mm, and the air gap between the fourth lens and the fifth lens is 46.82 mm. The lens can balance the measurement range and the measurement details, the imaging is clear, and the lens can be applied to the monitoring of different size targets.
Owner:CHENGDU JINGPIN NIGHT VISION OPTOELECTRONICS TECHNOLOGY CO LTD
Method and system for detecting integrity of internal circuit of photovoltaic module based on magnetic field rotation imaging
PendingCN121955688Aclear imagingAvoid directional blind spotsMagnetic measurementsElectronic circuit testingHigh densityHeat map
The invention belongs to the technical field of photovoltaic module nondestructive testing, and particularly relates to a photovoltaic module internal circuit integrity detection method and system based on magnetic field rotation imaging, and the method comprises the steps: collecting discrete three-dimensional magnetic field data of a photovoltaic module; spatial interpolation is carried out on the discrete three-dimensional magnetic field data, and a high-density magnetic field vector grid with second derivative continuity is constructed; constructing a current density vector by using the space partial derivative of the magnetic field vector based on the physical constraint of the Maxwell-Ampere law; the Euclidean norm of the current density vector is calculated, and the magnetic field rotation full modulus is obtained; and performing adaptive enhancement processing on the calculated magnetic field rotation full modulus to generate a thermodynamic diagram reflecting current distribution, and identifying current abnormality caused by grid breakage, pseudo soldering or subfissure according to continuous fracture or strength attenuation of a highlight area in the thermodynamic diagram. According to the invention, high-resolution and visual imaging of current abnormal defects such as broken gates, cracks and pseudo soldering can be realized under outdoor natural illumination.
Owner:SOUTHWEST PETROLEUM UNIV +1
A visual inspection method for motor shafts
The application discloses a kind of visual detection methods for motor shaft, including real-time acquisition relevant parameter of motor shaft, construct the CPS data model of motor shaft, real-time association with digital twin model is carried out to physical detection unit, manufacturing process state and data transformation time sequence are digitalized mapping;Based on the real-time state vector that fusion output is based on multi-source data and digital twin model, carry out adaptive imaging parameter regulation and control and multi-station collaborative imaging planning based on deep reinforcement learning;Based on real-time state vector and imaging parameter, image pre-processing is carried out, and using distortion correction algorithm based on physical model compensates dynamic deformation;Combine multi-station image, using multi-scale feature fusion algorithm detects the tiny defect of motor shaft;Hierarchical attention classification network is constructed, and hierarchical classification is carried out, and the graph neural network of multimodal fusion is simultaneously established to diagnose output for the cause of defect, the application improves the adaptability and precision of motor shaft fast detection imaging.
Owner:ZHEJIANG BOXING IND & TRADE
A high-frequency single-photon tilted wavefront detection method and device
ActiveCN119958706Bimprove performanceimprove sexual functionOptical measurementsWavefrontImaging quality
The application discloses a kind of high-frequency single-photon tilt wavefront detection method and device, comprising the following steps: using wavefront modulation technique, high-speed coding and modulation are carried out to incident light wavefront;Single-photon signal acquisition, using single-photon detector, the single-photon signal focused after being focused by light signal guiding focusing device is collected, and the received photon signal is converted into electrical signal and is output by detector;Single-photon signal processing, single-photon signal wavefront reconstruction, according to the extracted wavefront tilt information, wavefront is reconstructed using wavefront reconstruction algorithm;Data correction;Data result analysis.The application uses wavefront modulation technique to carry out high-speed coding and modulation to incident light wavefront, can improve the performance of light signal guiding focusing device, enhance system flexibility, wavefront modulation technique allows the amplitude, phase, polarization state and wave vector direction parameter of light wave to be independently or simultaneously regulated, which greatly enhances the flexibility and functionality of light signal guiding focusing device, and can optimize imaging quality.
Owner:UESTC (SHENZHEN) ADVANCED RES INST
Photosensitive material plate coating device and photosensitive material plate production method
PendingCN121763658APrint more timesclear imagingPhotomechanical coating apparatusPhotosensitive materials for photomechanical apparatusMechanical engineeringCoating
The invention relates to the technical field of photosensitive material plate production equipment, in particular to a photosensitive material plate coating device which comprises a device frame, a conveying roller driven by a conveying motor is arranged on the device frame, a covering belt driven by the roller connected with the motor is further installed on the device frame, and the covering belt is made of rubber. The covering belt comprises a base layer and protrusions on the base layer, the protrusions comprise side protrusions on the left side and the right side of the base layer and a plurality of transverse protrusions arranged on the base layer at intervals, the length direction of the transverse protrusions is the left-right direction, the side protrusions make contact with the two sides of the conveying belt, and the transverse protrusions make contact with photosensitive material plates produced just now. The photosensitive material plate coating device has the advantages that the produced photosensitive material plate is printed for many times, and the image is clearer; the invention also provides a photosensitive material plate production method.
Owner:CHANGGE HUIDA PHOTOSENSITIVE MATERIAL
Focusing area determination method and device, equipment, storage medium and program product
The invention relates to a method and device for determining a focusing area, equipment, a storage medium and a program product. The method comprises the following steps: acquiring at least one face recognition frame formed by a preview image of electronic equipment; performing living body detection on the at least one target object corresponding to the at least one face recognition frame to obtain at least one living body detection result; based on the at least one living body detection result, determining a target recognition frame from the at least one face recognition frame; and determining the focusing area of the preview image based on the target identification frame, because the living body detection result can indicate whether the face of the target object is the real face or not, the face identification frame corresponding to the false face can be filtered, the accuracy of determining the focusing area is improved, and the face imaging corresponding to the target identification frame is clear.
Owner:BEIJING XIAOMI MOBILE SOFTWARE CO LTD
An aerial imaging system, a vehicle, and a human-machine interaction system based on aerial imaging
The application provides an aerial imaging system, which comprises a display and an imaging module. The display is used for emitting image light. The imaging module is located on the light path of the image light, is used for converging the image light, and is used for projecting the converged image light into the air. The imaging module comprises a concave mirror and a half-transmissive half-reflective mirror. The concave mirror has a light-receiving surface, which is used for receiving and reflecting the image light. The half-transmissive half-reflective mirror is used for reflecting the image light emitted by the display to the light-receiving surface to be reflected by the light-receiving surface, and is used for transmitting the image light reflected by the light-receiving surface. The included angle between the half-transmissive half-reflective mirror and the optical axis of the concave mirror is not equal to 45°. In the aerial imaging system, only the floating real image formed in the aerial imaging system enters the vision of an observer, and the floating real image is clearly imaged. The application further provides an automobile and a human-computer interaction system based on aerial imaging.
Owner:ANHUI EASPEED TECHNOLOGY CO LTD
Optical monomer, preparation method thereof, optical resin and application
PendingCN121949278Ahigh refractive indexEasy to prepareOrganic chemistryChemical structureRefractive index
The invention discloses an optical monomer and a preparation method thereof, optical resin and application, the chemical structural formula of the optical monomer is shown in the figure 1, the optical monomer has the excellent properties of high refractive index, high light transmittance, low yellowness index and the like, the preparation route is simple, the condition is mild, raw materials are easy to obtain, and industrial production is easy. The invention provides the optical resin containing the optical monomer, so that the optical resin with high refractive index, high light transmittance, low yellowness, excellent water resistance, good thermal stability and good mechanical property is obtained, the invention further provides a preparation method of the optical resin, and an optical lens, an optical element and an optical device containing the optical resin.
Owner:ZHUHAI MOJIE TECH CO LTD
Optical detection device applied to detection of inner wall of refrigeration precision steel pipe
PendingCN121856287ASolve the problem of being unable to detect bendsWide adaptabilityMaterial analysis by optical meansDrive wheelElectric machinery
The invention relates to the technical field of precise steel pipe optical detection, in particular to an optical detection device applied to refrigeration precise steel pipe inner wall detection, which comprises a spherical detection rack, an embedded annular guide rail is fixed on the outer arc surface of the spherical detection rack, and an electric control optical detection ring is movably assembled on the embedded annular guide rail. A plurality of electric control arc-shaped adjusting arms are arranged on the arc-shaped surface of the outer side of the spherical detection rack, and electric control type driving wheel sets are mounted in the electric control arc-shaped adjusting arms. The spherical detection rack structure can smoothly pass through the bent section of the steel pipe, has no detection blind area, and is adaptive to detection of a snakelike coil pipe to solve the problem that the bent part cannot be detected by a traditional endoscope; the opening angle of the electric control arc-shaped adjusting arm can be adjusted through the inner side adjusting supporting rod to adapt to precise steel pipes with different pipe diameters, and the adaptability is wide; the electric control type optical detection ring is driven by the annular motor to rotate, and the embedded optical probes and the light supplementing lamps which are evenly distributed are matched, so that comprehensive scanning of the inner wall is achieved, and imaging is clear.
Owner:CHANGZHOU CITY WUJIN SHUNDA PRECISION STEEL TUBE
An inspection tool
The utility model relates to tooling technical field, especially a kind of detection tooling.It is provided that the detection tooling of the utility model, including support piece and auxiliary part, the support piece includes support side plate and the support plate with equidistance precision groove on surface, the auxiliary part includes auxiliary side plate, auxiliary plate and tooling plate, wherein, tooling plate is flat plate structure or groove plate structure;In addition, support side plate, auxiliary side plate are also respectively provided with the limit groove, limit block that can mutually wedge and slide.In use, bar piece material is laid on support plate, tooling plate is pushed and slides along support side plate, push redundant material, then use auxiliary plate to push and rely on material tail end and carry out flush operation, the efficient, neat placement and limit of bar piece material can be completed, and tail end flush, to cooperate with the efficient size detection work of completion of automatic detection equipment, applied to the feeding and discharging tooling of bar piece material or the size detection of precision support rod class material, can save detection, manpower and material resources.
Owner:XIAMEN HONGLU TUNGSTEN MOLYBDENUM IND CO LTD
3D printing process monitoring system and method based on high-speed two-dimensional galvanometer
ActiveCN121535222Breduce adverse effectsclear imagingAdditive manufacturing apparatusIncreasing energy efficiencyGalvanometerMonitoring system
The application relates to the technical field of 3D printing, in particular to a 3D printing process monitoring system and method based on a high-speed two-dimensional swing mirror. The application sets a high-speed two-dimensional swing mirror in front of the object light path of an imaging lens group, realizes rapid optical scanning of a working surface, and controls the working surface to be divided into a target point array first, then calculates a diopter point array of a liquid zoom lens according to the current printing layer number and the object distance of each point; in the actual detection process, the controller drives the high-speed two-dimensional swing mirror to point to each target point in turn, and controls the liquid zoom lens to adjust the focal length according to the preset diopter point array in real time, so that the industrial camera can obtain a clear image at each point; the application not only solves the high-precision imaging problem in a large field of view, but also avoids the adverse effects caused by mechanical vibration through pure optical scanning; the whole detection process is more efficient, the system structure is simple, and the detection precision and reliability are improved.
Owner:GUANGZHOU ANTE LASER TECH CO LTD
Optical lens
This invention discloses an optical lens, which comprises, along the optical axis from the object side to the imaging plane, the following components in sequence: an aperture stop; a first lens with positive optical power, whose object side is convex and image side is concave; a second lens with positive optical power, whose object side is convex; a third lens with negative optical power; a fourth lens with positive optical power, whose object side is convex; a fifth lens with positive optical power, whose object side is concave and image side is convex; a sixth lens with negative optical power; and a seventh lens with negative optical power, whose object side is concave; wherein the effective focal length f6 of the sixth lens, the effective focal length f7 of the seventh lens, and the effective focal length f of the optical lens satisfy: -7.0 < (f6 + f7) / f < -1.0. The optical lens provided by this invention features high pixel count and compact structure.
Owner:JIANGXI LIANYI OPTICS CO LTD
A cigarette box packaging glue spraying detection device and system
The utility model discloses a cigarette case package sprays glue detection device and system relates to paper box packing technical field. The utility model provides a cigarette case package sprays glue detection device, include: host computer, display screen, electric control cabinet and detection component, detection component includes: support component, guide rail component, light source component, probe component and photoelectric sensor, guide rail component vertical connection in support frame one side, and guide rail component drives material and moves from below to top, light source component includes first light source and second light source, probe component includes first camera and second camera, and photoelectric sensor is connected in support frame's one side close to guide rail component. The utility model provides a cigarette case package sprays glue detection device and system imaging clear, and the detection precision is high, and stable and reliable, and the anti -interference ability is strong. Still can further process according to detection structure, and flexibility and adaptability are high.
Owner:NANJING DASHU INTELLIGENT SCI & TECH CO LTD