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32results about How to "Reduce shadows" patented technology
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Polishing device of hub surface defect detection system
InactiveCN119666751Aevenly distributedimprove accuracyOptically investigating flaws/contaminationFirst lightEngineering
The invention discloses a polishing device of a hub surface defect detection system, which comprises a front polishing mechanism for polishing when acquiring a front image of a hub, a side polishing mechanism for polishing when acquiring a side image of the hub, and a back polishing mechanism for polishing when acquiring an inner cavity image of the hub, the front lighting mechanism comprises a first light source and a plurality of area light sources, all the area light sources define a containing cavity for containing the first light source and the first camera, the first light source is a strip-shaped combined light source, and the first light source and the first camera are controlled by the robot to move. According to the lighting device of the hub surface defect detection system, the surface light source fixedly installed on the front face provides uniform background lighting, uniform light distribution is ensured, and reflected light and shadows are reduced; the strip-shaped combined light source can adjust the lighting position and posture along with the robot, the lighting requirements of different positions, different angles and different defects can be met, and the hub surface image collection quality and the defect detection accuracy are improved.
Owner:HANGZHOU YINGSHIMAI INTELLIGENT TECHNOLOGY CO LTD
Method and device for simultaneously detecting qnr1, qnr2 and qnr3 and application
PendingCN119552986Aeffective expansionRapid temperature controlBioreactor/fermenter combinationsBiological substance pretreatmentsMaterials sciencePhotochemistry
The invention discloses a method and device for simultaneously detecting qnr1, qnr2 and qnr3 and application. A sample is irradiated by a coaxial reflection LED light source outside 808nm, a sensitizer Sb2WO6 coated NiS provides photoelectrons and heat for LAMP through light driving, a target gene is used as a template to initiate an amplification reaction, and a large number of double-chain DNALAMP light induction products are obtained. Sb2WO6 (at) NiS is modified by a nucleic acid chain to obtain a signal probe, an LAMP light-induced product and the signal probe are captured by a detection region in a sandwich form, a photo-thermal temperature change signal positively related to the content of the LAMP light-induced product is given, and qnr1, qnr2 and qnr3 in a sample are quantified according to the temperature change signal. Photoelectron and photothermal effects are generated by using the photoinduced activity of the sensitizer Sb2WO6 at NiS, the temperature is rapidly controlled, the sensitizer is in direct contact with an amplification system on a molecular level, then photothermal analysis test paper color development detection is performed, and the photothermal efficiency is remarkably improved.
Owner:JIANGNAN UNIV +1
Dark space compensation method and device of LED screen system, and storage medium
PendingCN119559909Areduce shadowsStatic indicating devicesEnergy saving control techniquesLED displayEngineering
The invention relates to the technical field of LED display screens, and discloses a dark space compensation method and device of an LED screen system and a storage medium, and the method comprises the steps: obtaining an associated dark space on the LED screen system; determining a plurality of compensation LED light-emitting units corresponding to the associated dark area according to the position of the associated dark area; calculating a compensation coefficient; and controlling the brightness of each compensation LED light-emitting unit to be improved according to the compensation coefficient. Visibly, a plurality of LED light-emitting unit dead pixels which are close to each other can be regarded as an associated dark area, and for the associated dark area, normal LED light-emitting units which are close to each other around the associated dark area are selected as compensation LED light-emitting units. The method comprises the following steps: firstly, designing an associated dark area, then designing a compensation coefficient of each compensation LED light-emitting unit on the basis of the Weber-Fechner law, and compensating the associated dark area by adjusting the brightness of each compensation LED light-emitting unit on the basis of the compensation coefficient, so that the problem of shadow caused by dead pixels of the LED light-emitting units can be alleviated to the greatest extent on the sensory level through the compensation.
Owner:WARRIORS SEMICONDUCTOR CO LTD
A method and system for multiple planning and force adjustment of grinding allowance in robotics
ActiveCN119795173Bincrease contrastincrease brightnessProgramme-controlled manipulatorRoboticsMaterial removal
This invention relates to a method and system for multiple planning and force adjustment of welding allowance in robotic machining. The invention includes real-time monitoring of weld allowance changes to obtain real-time actual weld allowance data; establishing a material removal rate model based on historical grinding data and material properties; wherein the historical grinding data includes the material removal amount of materials with different properties under different grinding parameters; the material removal rate model is used to predict the material removal amount based on the actual grinding force and material properties; the grinding parameters include grinding speed, grinding path, magnitude and direction of grinding force and / or the tilt angle of the grinding tool; when there is a deviation between the actual weld allowance data and the target allowance, the grinding parameters are dynamically adjusted based on the material removal rate model; future grinding needs are predicted based on the current grinding state, and the grinding parameters are adjusted in advance. This invention improves the consistency of welding allowance processing and grinding accuracy, and enhances grinding quality and efficiency.
Owner:JIANGSU XCMG CONSTRUCTION MACHINERY RESEARCH INSTITUTE LTD +1
Material of photosensitive amplification-photo-thermal detection test paper for tacA, tacB and tacC and application
PendingCN119506461Aeffective expansionImprove efficiencyMicrobiological testing/measurementDNA/RNA fragmentationPhotosensSingle strand
The invention discloses a material of light-triggered amplification-photo-thermal detection test paper for tacA, tacB and tacC. A sample is irradiated by a coaxial reflection LED light source outside 504nm, a photosensitizer CsYF4 (at) Yb2O3 provides photoelectrons and heat for aRPA through light triggering, a target gene in a positive sample is used as a template to initiate an amplification reaction, three single-stranded DNA amplification products are obtained, and the three single-stranded DNA amplification products are used for detecting the tacA, the tacB and the tacC; a photosensitizer CsYF4 (at) Yb2O3 is modified by three nucleic acid chains to obtain three signal probes, a detection region captures an amplification product and the signal probes in a sandwich form, a photo-thermal temperature change signal positively related to the content of the amplification product is given, and tacA, tacB and tacC in a sample are quantified according to the temperature change signal. Photoelectron and photothermal effects are generated by using the photoactivity of the photosensitizer CsYF4 (at) Yb2O3, the temperature is rapidly controlled, the photosensitizer is in direct contact with an amplification system on a molecular level, photothermal detection test paper detection is carried out, and the photothermal efficiency is remarkably improved.
Owner:SHIJIAZHUANG MATERNAL & CHILD HEALTH HOSPITAL (SHIJIAZHUANG CHILDRENS HOSPITAL SHIJIAZHUANG SIXTH HOSPITAL)
Sealing ring screening device
ActiveCN222625401UUniform light on the surfaceSimple structureSortingMechanical engineeringIndustrial engineering
Owner:CHONGQING HANMEI IND CO LTD
Visual positioning and grabbing device of automatic sorting and packing machine based on DELTA manipulator
ActiveCN224736791Ureduce shadowsAccurate visual positioning
The utility model relates to positioning snatch device technical field especially for based on DELTA manipulator's automatic sorting case packer visual positioning snatch device, including mounting support, the outer wall of mounting support is installed with visual light supplementing assembly, the outer wall of mounting support is provided with electric control pneumatic cylinder, one end of electric control pneumatic cylinder is installed with horizontal push support, the opposite standing outer wall of horizontal push support is provided with fixed link, the utility model discloses the controller control light supplementing lamp to run, open the switch of controller, make controller control light supplementing lamp to run, and then make light supplementing lamp emit light, subsequently pull the corrugated hose, make the one end of corrugated hose drive light supplementing lamp adjustment position to make the light supplementing lamp in the visual light supplementing assembly around mounting support respectively towards the article below, when the device passes through visual positioning and clamps the article, light supplementing lamp irradiates from all around to reduce the shadow of article, makes visual positioning more accurate, and the practicality is better.
Owner:HENAN FAST ROBOT TECH CO LTD
A fully automatic sock inspection sorting machine
ActiveCN224586422UImplement defect detectionavoid covering up
This invention provides a fully automatic sock inspection and sorting machine, including a frame. A sock-supporting rotating assembly is mounted on the frame to open the heel of the sock and rotate it 360° horizontally. A detection component is mounted on the side of the sock-supporting rotating assembly. The detection component includes a detection module for acquiring image information of the sock heel at a first height and a first tilt angle, and at a second height and a second tilt angle, for defect detection. This invention utilizes the sock-supporting rotating assembly to open the heel of the sock, while the detection component can adjust its height and tilt angle, thereby achieving defect detection of both the sock leg and the heel, further improving detection accuracy. Furthermore, by dividing the sock into upper and lower parts for inspection, the influence of sock length on the detection results is reduced.
Owner:ZHEJIANG YEXIAO KNITTING MACHINERY
Non-line-of-sight vehicle target multipath perception and positioning method and device based on OFDM signal
The application discloses a non-line-of-sight vehicle target multipath perception and positioning method and device based on an OFDM signal. Utilizing a base station multi-antenna received sensing integrated signal, after static clutter suppression, candidate propagation paths are extracted in a time delay, Doppler and angle of arrival joint parameter space; according to reflection geometric constraints in a T-shaped road, the candidate paths are divided into direct paths, first wall surface first-order reflection paths, second wall surface first-order reflection paths and interference paths; a multi-target path association and pairing scoring function is established according to time delay consistency, angle consistency, Doppler consistency, path energy credibility and reflection geometric residual, adaptive pairing of multiple target corresponding reflection paths is realized; according to the pairing result, a single reflection path positioning or double reflection path weighted fusion positioning mode is adopted to estimate the position and speed of each target. The application can improve the stability and path association accuracy of multi-target positioning and speed measurement in a non-line-of-sight and weak line-of-sight mixed scene of an urban road.
Owner:ZHEJIANG UNIV
Multifunctional automobile front top lamp assembly
ActiveCN224060910UImprove uniformitygood effectWindow lightingsSun roofsElectrical batteryBattery cell
The utility model relates to the technical field of automobile front ceiling lamps, and discloses a multifunctional automobile front ceiling lamp assembly which comprises a ceiling lamp assembly shell, a socket is connected to the left side of the exterior of the ceiling lamp assembly shell, an insertion plate is inserted into the socket, and triangular plates are arranged on the two sides of the exterior of a corner brace. The elastic piece sleeve is inserted into the triangular plate, an insertion shaft is inserted into the elastic piece sleeve, a ball head is installed at the outer end of the insertion shaft, the ball head is sleeved with an insertion sleeve, a spring clamp is installed on the outer side of the insertion sleeve, and an external lamp is inserted into the spring clamp. According to the multifunctional automobile front ceiling lamp assembly, an external lamp can be installed through the additionally-arranged spring clamp, so that when a user reads or searches articles in an automobile, a lighting lamp powered by a mobile phone or an external battery can be clamped into the spring clamp, and light is accurately projected to the needed position by adjusting the direction of the spring clamp; an additional lighting source which can be flexibly adjusted is provided.
Owner:JIANGSU RIXING AUTO PARTS CO LTD
Light source device and system for calcium imaging and optogenetics
PendingCN119606331AImprove stabilityimprove accuracyDiagnostics using lightDiagnostics using fluorescence emissionOptogeneticsFirst light
The invention relates to a light source device for calcium imaging and photoheredity. The light source device comprises a first light-emitting chip, a second light-emitting chip, a first LED lamp wick, a second LED lamp wick, a third LED lamp wick and a fourth LED lamp wick. The first light-emitting chip controls the first LED lamp wick and the third LED lamp wick to cooperatively emit first exciting light so as to excite the GCaMP calcium indicator; the second light-emitting chip controls the second LED lamp wick and the fourth LED lamp wick to cooperatively emit second exciting light so as to excite ChrimsonR photosensitive protein; the first LED lamp wick, the second LED lamp wick, the third LED lamp wick and the fourth LED lamp wick are diagonally arranged on the same plane of the substrate; wherein the first LED lamp wick and the third LED lamp wick which emit the first exciting light are distributed diagonally, and the second LED lamp wick and the fourth LED lamp wick which emit the second exciting light are distributed diagonally. The light source device disclosed by the invention can emit exciting light with two different wavelengths, so that the requirement on light source switching is reduced, and the stability of a light path is greatly improved, thereby improving the accuracy and repeatability of data.
Owner:NINGXIA XIANGRUI INTELLIGENT TECH CO LTD
Indoor wall-mounted down lamp capable of being installed at right angle
ActiveCN222559909UVarious installation methodsevenly distributedLighting support devicesLight fasteningsLamp shellMechanical engineering
The utility model discloses an indoor wall-mounted down lamp capable of being installed in a right-angle mode. The indoor wall-mounted down lamp comprises a plurality of wall-mounted down lamp bodies and a wire connected with the wall-mounted down lamp bodies. The wall-mounted down lamp body comprises a lamp shell, a lens opening is formed in the front side of the lamp shell, a right-angle structure is formed by the rear side and the top of the lamp shell, a fixing piece is further arranged on the top of the lamp shell, and the lamp shell can be installed on a right-angle wall body / a plane wall through the fixing piece; the circuit board is installed in the lamp shell, a light-emitting body is arranged on the circuit board, and the circuit board and the light-emitting body are both electrically connected with the wire; the lamp body lens is installed in the lamp shell and blocks the lens opening, and the lamp body lens and the light-emitting body are oppositely arranged. The rear side and the top of the lamp shell are arranged to be of the right-angle structure, the fixing piece / paster is arranged on the top of the lamp shell in a matched mode, the LED lamp can be installed on a right-angle wall face and can also be installed on a plane wall, the installation modes are diversified, and therefore installation of the lamp body is more diverse.
Owner:SHENZHEN QIAOLING LIGHTING CO
Position lamp and vehicle
The utility model belongs to the technical field of automobiles, and particularly relates to a position lamp and a vehicle, the position lamp comprises a first light module, the first light module comprises a first light source, and the first light module is configured to enable direct light emitted by the first light source to be observed from the outside of the vehicle; the second light module comprises a second light source and a scattering face, the second light module is configured in the mode that direct light emitted by the second light source can be shielded from the outside of the vehicle, the scattering face can be observed from the outside of the vehicle, and light beams emitted by the second light source can be projected to the scattering face. The first light module can provide a striking light effect to meet the requirements of related laws and regulations for the position lamp, the second light module can generate softer heat dissipation light, the stereoscopic impression and texture sense of an object can be improved due to the existence of scattered light, and the freedom degree of vehicle appearance design is improved.
Owner:ZHEJIANG ZEEKR INTELLIGENT TECH CO LTD +1
Micro front light road lighting module and road lighting lamp
ActiveCN222634398UImprove visibilityincrease contrastOutdoor lightingRefractorsEngineeringLight source
The utility model relates to the technical field of road illumination, in particular to a micro-front-light road illumination module and a road illumination lamp, the micro-front-light road illumination module comprises a light source, the light source is used for emitting light, the emergent light of the light source has a plurality of emergent angles in the plane direction of C0-C180 degrees, and the light source is used for emitting light; the emergent light of the light source is located between a first emergent angle and a second emergent angle in the plane direction of C0-C180 degrees, the first emergent angle is between-90 degrees and 0 degree, the second emergent angle is between 0 degree and 90 degrees, the first emergent angle and the second emergent angle are not equal to 0 degree, and the first emergent angle is larger than the second emergent angle. The included angle between the first emergent angle and the 0-degree position is smaller than the included angle between the second emergent angle and the 0-degree position. The first emergent angle theta1 is set to be smaller than or equal to 60 degrees, and the second emergent angle theta2 is set to be 75-80 degrees, so that asymmetric micro front light illumination is realized, shadows and glare are reduced, and the visibility and the contrast ratio on a road are improved.
Owner:SHENZHEN EX LIGHTING TECH HLDG
X-ray tube primary light testing device
PendingCN119666891Aimprove accuracyimprove clarityMaterial analysis by transmitting radiationOptical testingRay
The invention provides an X-ray tube primary optical testing device. The X-ray tube primary optical testing device comprises a protective shell, a radiation source and a detector, wherein the protective shell is used for testing a test article; the radiation source and the detector are arranged in the protective shell and are adjustable in position; the detector is used for receiving a signal sent by the radiation source; a test article is placed in the protective shell; two groups of adjusting mechanisms which are oppositely arranged and are distributed on the left side and the right side of the test article are arranged in the protective shell; the adjusting mechanisms are used for adjusting the positions and the angles of the radiation source and the detector in the protective shell; the inclination angles and positions of the radiation source and the detector are adjusted through the adjusting mechanism, so that the imaging accuracy and definition can be improved, as images are allowed to be obtained at different angles, the geometric structure of the detection system is optimized, and more comprehensive information is provided. In addition, adjustment of inclination angles and positions of the radiation source and the detector can meet different detection requirements. In addition, by adjusting the positions of the radiation source and the detector, the unnecessary detection time can be reduced, and the detection efficiency is improved.
Owner:SHUYANG GUANGTING PRECISION TECH CO LTD
Illuminating tweezers for sample inspection
The utility model discloses illumination tweezers for sample inspection, and relates to the technical field of tweezers, the illumination tweezers comprise a connector, two symmetrical tweezers pieces are fixed at the end part of the connector, lamp boxes are fixed on the side surfaces of the two tweezers pieces, switches are fixed on the lamp boxes, illumination lamps are mounted at one ends of the lamp boxes, lamp beads are mounted on the illumination lamps, and the lamp beads are electrically connected with the switches; and an adjusting structure is arranged between the lamp box and the illuminating lamp. When the tweezers are used, the switch is pressed to light up the lamp beads, the tweezers pieces are used for clamping a needed test sample and placing the test sample in a proper position, the lamp beads illuminate during clamping, a worker is assisted in clamping, the worker can conveniently adjust the positions of the lamp beads through the adjusting structure according to the size of the clamped test sample during sample clamping, the worker can conveniently clamp the test sample, and the work efficiency is improved. The lighting effect is improved, shadows are reduced, and the clamping accuracy is improved.
Owner:QINHUANGDAO MATERNAL & CHILD HEALTH HOSPITAL
Machining workbench
The machining workbench comprises a rear frame and a table top, a notch is formed in the top end of the rear frame, rotary connecting pieces are fixed to the left end and the right end of the interior of the notch, telescopic outer rods are fixed to one sides of the rotary connecting pieces, and fixed twisting blocks are connected to the front ends of the telescopic outer rods in a threaded mode; a contact switch is fixed to the rear end of the telescopic outer rod, a telescopic inner rod is arranged in the telescopic outer rod, and a rotating joint piece is fixed to the tail end of the telescopic inner rod. Compared with an existing machining workbench, the machining workbench is provided with the adjustable lighting mechanism, light supplementing can be conducted on a machining area during machining, so that a user can conduct machining operation conveniently, and the practicability of the machining workbench is improved; and a workpiece can be stably clamped and rotated, so that a user can conveniently machine the workpiece from multiple angles, and the convenience of the device is improved.
Owner:FOSHAN KANGXUN ELECTRONIC TECH CO LTD
Camera photographing platform
The utility model provides a camera shooting platform which comprises a bread board, a vertical adjusting mechanism is arranged on one side of the bread board, and a camera moving installation platform and an annular light source are movably arranged on the vertical adjusting mechanism in the height direction. Rotatable plane light sources are symmetrically arranged on the two sides of the camera moving installation platform, the two sides of each plane light source are detachably connected with locking structures used for fixing the rotation angle of the plane light source, the plane light sources can rotate around connecting shafts of the locking structures, and the locking structures are fixed to the bread board through telescopic rods. The height and angle of the light source can be steplessly and continuously adjusted according to the optical characteristics of different photographed objects, a uniform illumination environment is provided, uniform illumination distribution of the surface of the photographed object is ensured, a bright environment is provided, generation of local shadows is effectively avoided, light pollution is prevented, and the service life of the photographed object is prolonged. And the refined lighting requirements of different shooting scenes are met.
Owner:AMPHENOL PHOENIX ANJI TELECOM PARTS CO LTD
Forklift tube layout
The utility model relates to the technical field of oil pipe layout structure, and specifically disclose a forklift oil pipe layout structure, including solenoid valve, solenoid valve is installed between portal and cargo fork frame, this oil supply unit is connected with solenoid valve through two first oil pipes that are around the portal, wherein, one is oil inlet pipe, and the other is oil return pipe, can deliver hydraulic oil to solenoid valve through oil inlet pipe, then the oil return at solenoid valve returns to the oil supply unit through oil return pipe, and the transmission of hydraulic oil is completed, and solenoid valve is connected with the inclined cylinder through two second oil pipes, and is connected with the side shift cylinder through two third oil pipes, after the transmission of hydraulic oil to solenoid valve, solenoid valve controls different opening to open or close, and then controls the inclined cylinder or side shift cylinder to act, then only two first oil pipes need to cross the portal, can greatly reduce the number of first oil pipe, can effectively improve the portal's aesthetic property, reduce the risk of winding between first oil pipe.
Owner:NINGBO RUYI JOINT CO LTD
Analysis method for screening fetal trisomy 21 syndrome and application
PendingCN119592678Alow costShort cycleMicrobiological testing/measurementDNA/RNA fragmentationFetus fetusDouble strand
The invention provides an analysis method for screening fetus trisomy 21 syndrome, and belongs to the technical field of inspection and detection.According to the method, methylated HLCS, C21orf25 and RASSF1A genes from placenta are detected at the same time, and the method comprises the following steps that methylation sensitive restriction enzyme cutting is conducted, specifically, after maternal peripheral blood is collected, DNA is extracted, and unmethylated CGCG loci are selectively cut through BstUI; light-driven amplification: carrying out isothermal amplification under the irradiation of an external coaxial reflection LED light source by utilizing a photosensitizer Bi2MoO6 (at) NiS, and initiating a multiple light-driven LAMP reaction by taking placenta-derived methylated HLCS, C21orf25 and RASSF1A genes in maternal peripheral blood as templates respectively, so as to obtain a double-chain structure DNA amplification product; detecting by using photo-thermal test paper: modifying Bi2MoO6 (at) NiS by using three nucleic acid chains to obtain three photo-thermal signal probes; and mixing the amplification product with a photo-thermal signal probe, and carrying out photo-thermal temperature change detection to obtain a photo-thermal temperature change signal positively correlated with the content of the amplification product. According to the analysis method disclosed by the invention, the simultaneous amplification and efficient detection of the HLCS, C21orf25 and RASSF1A genes of the placenta specific genes, namely the highly methylated CGCG site are realized.
Owner:SHIJIAZHUANG MATERNAL & CHILD HEALTH HOSPITAL (SHIJIAZHUANG CHILDRENS HOSPITAL SHIJIAZHUANG SIXTH HOSPITAL) +3
A tracking photovoltaic power generation device
ActiveCN121325977BIncrease the number of installationsavoid damagePhotovoltaic supportsControl using feedbackControl systemSolar altitude
The present application relates to the field of photovoltaic power generation, in particular to a tracking photovoltaic power generation device. It comprises east-west rotating lower photovoltaic panels and upper photovoltaic panels along the same rotation center, and a control system for real-time adjustment of the orientation of the lower photovoltaic panels and the upper photovoltaic panels according to the angle of sunlight. Multiple lower photovoltaic panels and upper photovoltaic panels are equidistantly arranged along the north-south direction. When the solar altitude angle is less than 45°, the angle between the light-receiving surface of the lower photovoltaic panels and the sunlight is always 45°, and the upper photovoltaic panels are perpendicular to the lower photovoltaic panels. When the solar altitude angle is not less than 45°, the light-receiving surfaces of the upper photovoltaic panels and the lower photovoltaic panels are both perpendicular to the sunlight. In use, when the solar altitude angle is small in the morning and evening, the lower photovoltaic panels and the upper photovoltaic panels are rotated to a perpendicular state, the lower photovoltaic panels and the upper photovoltaic panels receive reflected light from each other, the power generation capacity is increased, and the shadow is smaller, which is conducive to more compact arrangement of the photovoltaic power generation array.
Owner:MOUNTAIN TOKYO HAN ELECTRIC ENG CO LTD
A mountable desktop fill light
This utility model provides a mountable desktop fill light, relating to the field of fill light technology. It includes a lamp body and a lamp body connecting bracket. The bracket includes a base frame, one end of which is rotatably connected to an angle adjustment seat. A hanging bracket is rotatably connected to the base frame near the angle adjustment seat, and a tail hook is provided at the end of the hanging bracket away from the base frame; the tail hook faces away from the angle adjustment seat. The advantages of this utility model are that the fill light can be mounted above a computer or placed on a desktop, meeting the fill light needs of different scenarios. When mounted above a computer, the tail hook hooks onto the top of the monitor, and the bottom of the base frame abuts against the back of the monitor. When placed on a desktop, the height of the lamp body can be adjusted by adjusting the angle between the standing base and the base frame; the angle of the lamp body can also be adjusted by swinging the angle adjustment seat and rotating the lamp body and the screw locking structure.
Owner:GUANGDONG FENGSHANG ELECTRONICS CO LTD
Fatigue monitoring method based on eye movement and blinking behaviors
PendingCN121926594Areduce shadowsreduce reflectionPsychotechnic devicesSensorsImaging qualityImage quality
The invention discloses a fatigue monitoring method based on eye movement and blinking behaviors. The fatigue monitoring method comprises the following steps: step 1, carrying out eye image acquisition by adopting glasses type equipment; step 2, based on the collected eye image, performing eye movement tracking by introducing eye image quality enhancement and helmet slip compensation; 3, detecting eye scanning features based on the fixation point position obtained through eye movement tracking in the step 2, and representing the eye scanning features by adopting the eye scanning speed; step 4, detecting blink features of the user based on the eyelid ROI image obtained through quality enhancement in the step 2; and step 5, judging the fatigue state of the user based on the detection results of the step 3 and the step 4. According to the method, the problem that the monitoring accuracy is insufficient due to the fact that various blink characteristic values calculated by an existing eye movement monitoring mode are easily interfered by factors such as individual differences and environment illumination is solved, and the problem that the fatigue state of a user with natural small eyes is easily misreported is solved.
Owner:CHINA AVIATION LIFESAVING INST
Diaphragm detection device and diaphragm splitting machine
ActiveCN224066641Uimprove clarityincrease contrastPreparing sample for investigationOptically investigating flaws/contaminationMechanical engineeringImage acquisition
The utility model provides a diaphragm detection device and a diaphragm splitting machine, and relates to the technical field of diaphragm production equipment. The diaphragm detection device comprises at least one image acquisition assembly, the image acquisition assembly comprises a camera and a light source, the camera is located on one side of a diaphragm, the light source is located on the other side of the diaphragm and used for providing illumination light, and the included angle between the irradiation direction of the light source and the diaphragm meets a preset included angle A, the camera is used for acquiring an image of the diaphragm in the irradiation area of the light source. According to the invention, the diaphragm can be detected in real time, the missed detection probability is reduced, and the delivery quality of the diaphragm can be controlled.
Owner:CHANGZHOU XINGYUAN NEW ENERGY MATERIAL CO LTD
Self-adaptive endoscope cutting anastomosis clamp holder
InactiveCN119548198Areduce misalignmentreduce sheddingSurgical staplesSurgical field illuminationSurgical riskStapled anastomosis
The invention relates to the technical field of medical apparatus and instruments, and discloses a medical instrument which comprises an instrument body, a fixed handle is fixedly connected to the side wall of the bottom of the instrument body, an excitation handle is rotatably connected to the side wall of the bottom of the instrument body, a reset button is arranged in the middle of the side wall of the instrument body, a lighting assembly is arranged on the side wall of the top of the instrument body, and an adjusting button is rotatably connected to the middle of the side wall of the instrument body. By arranging the adjusting button, the fixing cylinder, the first spring and the pressing pad, the nail box body can be stably fixed in the fixing cylinder, so that a doctor can quickly and accurately penetrate an anastomosis nail or an anastomosis line through tissue in the operation process, quick fixation and anastomosis of the tissue are achieved, the operation time is shortened, the operation efficiency is improved, and the operation cost is reduced. And the nail box body is stably fixed in the fixing cylinder, so that additional operation steps caused by frequent replacement or adjustment of instruments in the operation process can be reduced, misoperation such as dislocation or falling of anastomosis nails in the operation process can be reduced, the operation risk is reduced, and the operation process is smoother.
Owner:CHONGQING QICHUANG MEDICAL INSTR CO LTD
An ultra-deep field shooting device
ActiveCN224401594Urich in detailsPrecisely control the distanceStands/trestlesTesting MethodsMechanical engineering
The utility model discloses a kind of super depth of field shooting devices, it is related to photographing equipment field, and shooting device includes: photographing platform component, it has base, mobile support and slide rail platform, the mobile support is vertically arranged on the base, the slide rail platform is slidably arranged on the mobile support, the slide rail platform can move along the vertical direction of the base;High-definition photographing equipment is installed on the slide rail platform, and the camera of high-definition photographing equipment is equipped with annular lamp, and the luminous surface of annular lamp is towards the base.The utility model aims at providing a kind of super depth of field shooting device to solve the problem of insufficient brightness and the need for manual operation in prior art shooting device.
Owner:INSPECTION AND QUARANTINE TECHNOLOGY CENTER ZHONGSHAN ENTRY EXIT INSPECTION AND QUARANTINE
A three-dimensional reflective sheet for reducing mini-led backlight halo
ActiveCN224364728Ureduce lossesImprove output efficiencyCoatingsSemiconductor devices for light sources
The application relates to the technical field of mini-LED, and provides a three-dimensional reflecting sheet for reducing mini-LED backlight halos, which comprises a plurality of integrally connected reflecting covers, each reflecting cover comprising: a reflecting bottom surface, the center of which is provided with a relief hole; a reflecting side surface, which is connected to the edge of the reflecting bottom surface along the circumference of the reflecting bottom surface, and which, together with the reflecting bottom surface, surrounds a cup-shaped cover body space; the adjacent reflecting covers are connected through the reflecting side surfaces, and the reflecting bottom surfaces and the reflecting side surfaces are integrally connected, so that the three-dimensional reflecting sheet is formed into an integral structure; the three-dimensional reflecting sheet can simultaneously process light rays from multiple directions, can block light beams from entering other control areas through the reflecting side surfaces, can reduce light leakage, and can reduce halos.
Owner:YIMEI OPTOELECTRONICS (ZHEJIANG) CO LTD
A detection device for detecting wafer geometric morphology
ActiveCN119146883Breduce intensity differencesreduce shadowsSemiconductor/solid-state device testing/measurementUsing optical means
The present invention relates to the technical field of optical metrology equipment, and discloses a detection device for detecting the geometric morphology of a wafer, comprising a support frame, a circular guide rail is arranged at the top of the support frame; a detection lens, a groove for sliding the detection lens is opened on the inner side of the circular guide rail, and the detection lens slides along the groove as a track to measure different angles of the wafer, thereby reducing optical interference in blind areas; and two light source rings are symmetrically arranged on the inner wall of the circular guide rail with the groove as the center. The invention sets the detection lens inside the circular guide rail, and the detection lens can slide inside the groove, and the circular guide rail can rotate at multiple angles, so that the purpose of detecting blind areas can be reduced by measuring from different angles, and the data of multiple perspectives can be combined to obtain a complete morphology. At the same time, the light source and the detection lens of the present invention are placed on the same straight line, thereby reducing shadows and reflections, providing a light source with uniform light intensity, and reducing the intensity difference between the center and the edge.
Owner:BEIJING SANPOWER ELECTRONICS CO LTD
Folding lamp
ActiveCN224201623UImprove convenienceImprove transmittanceLighting support devicesFirst lightEngineering
The utility model provides a folding lamp, and relates to the technical field of illumination. The folding lamp is provided with a first light emitting side and comprises a plurality of light source modules and a plurality of hinge parts; the plurality of light source modules are sequentially arranged in parallel; a hinge part is arranged between every two adjacent light source modules, and every two adjacent light source modules are hinged through the corresponding hinge part. When the folding lamp is unfolded, the multiple light source modules are sequentially arranged in the first direction, and the surface, facing the first light-emitting side, of each light source module and the surface, facing the first light-emitting side, of each hinge part are light-transmitting faces. The multiple light source modules are hinged, and the surfaces, facing the first light-emitting side, of the light source modules and the surfaces, facing the first light-emitting side, of the hinged parts are arranged to be the light-transmitting faces, so that the convenience of diaphragm appearance detection can be improved, and the whole surface, facing the diaphragm, of the folding lamp is the light-transmitting face; therefore, the transmittance of light emitted by the light source module is improved, shadow and light and shade differences can be reduced, and the brightness of the observed diaphragm is improved.
Owner:EVE ENERGY CO LTD
A method for preparing a gallium arsenide semiconductor photoconductive switch electrode
The present invention relates to a method for preparing a gallium arsenide semiconductor photoconductive switch electrode, comprising the following steps: (1) using a dicing machine to slice a wafer of a required size as a substrate; (2) cleaning the surface of gallium arsenide; (3) closely attaching a stainless steel metal mask frame to one surface of gallium arsenide; (4) coating as one electrode; (5) closely attaching a stainless steel metal mask frame to the other surface opposite to gallium arsenide; (6) coating as another electrode; (7) placing the switch chip with metal electrodes on both sides in a rapid annealing furnace for stress relief annealing and alloy treatment. The present invention prepares metal electrodes by using photolithography and etching technology, reduces electrode edge shadows and burrs, alleviates the electric field enhancement effect, improves the working withstand voltage performance of gallium arsenide photoconductive switch without changing raw materials and other process conditions, improves the bonding force between electrode and gallium arsenide through a rapid annealing process, eliminates heterogeneous interface defects, and improves the performance of gallium arsenide photoconductive switch.
Owner:SICHUAN DUAL PURPOSE TECH CO LTD +2