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38results about How to "Quality Inspection" patented technology
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Acoustic inspection of one-piece bladed wheels
InactiveUS20020059831A1Avoid potential damageQuality inspectionVibration measurement in solidsAnalysing fluids using sonic/ultrasonic/infrasonic wavesImpellerEngineering
These objects are achieved by a method of acoustically inspecting a one-piece bladed wheel in which the wheel is driven in rotation; each blade of the wheel is subjected to mechanical excitation; its acoustic response is picked up and a corresponding electrical signal is generated; its frequency response is determined by computing a FFT; the electrical signal and the associated frequency response are stored; the characteristic frequencies of each blade of the wheel are identified; and a wheel is rejected or accepted depending on whether or not the frequency distribution obtained in this way matches a predetermined set of forbidden frequency distributions. Advantageously, an additional step is provided in which the defects of a blade are determined by comparing its frequency response with predetermined frequency responses that are characteristic of various types of defect.
Owner:SN DETUDE & DE CONSTR DE MOTEURS DAVIATION S N E C M A
Acoustic inspection of one-piece bladed wheels
InactiveUS6629463B2Avoid potential damageQuality inspectionVibration measurement in solidsMachine part testingImpellerElectricity
These objects are achieved by a method of acoustically inspecting a one-piece bladed wheel in which the wheel is driven in rotation; each blade of the wheel is subjected to mechanical excitation; its acoustic response is picked up and a corresponding electrical signal is generated; its frequency response is determined by computing a FFT; the electrical signal and the associated frequency response are stored; the characteristic frequencies of each blade of the wheel are identified; and a wheel is rejected or accepted depending on whether or not the frequency distribution obtained in this way matches a predetermined set of forbidden frequency distributions. Advantageously, an additional step is provided in which the defects of a blade are determined by comparing its frequency response with predetermined frequency responses that are characteristic of various types of defect.
Owner:SN DETUDE & DE CONSTR DE MOTEURS DAVIATION S N E C M A
Blanking fracture surface quality detection system based on machine vision and blanking fracture surface quality detection method based on machine vision
InactiveCN104677908AQuality InspectionQuality improvementMaterial analysis by optical meansProduction lineImaging processing
The invention relates to a blanking fracture surface quality detection system based on machine vision and a blanking fracture surface quality detection method based on machine vision. The detection system comprises an image acquisition device, a lighting source and an image processing system, wherein the lighting source is arranged at the position of a check workpiece capable of lighting; the image acquisition device is arranged at the position of a shoot check workpiece; a signal output end of the image acquisition device is connected with a signal input end of the image processing system. After the blanking fracture surface quality detection system based on machine vision is used, the quality of stamped parts can be improved, and the service life of a mould is prolonged. After the blanking fracture surface quality detection method based on machine vision is used, the blanking fracture surface quality is stably detected, and the production efficiency of a full-automatic stamping production line is improved.
Owner:GUANGDONG UNIV OF TECH
Pellet sorting by diameter measurement
InactiveUS7746486B2Simple interfaceSmall diameterNuclear energy generationReactors manufactureContinuous measurementEngineering
A system based on the continuous measurement (20) of the diameter of a cylindrical object (1) moving, laid down, on a belt conveyor (10) allows dimensional compliance of the latter object to be checked.The measurement system (20) may be coupled with a sorting system based on ejection out of the conveyor (10) by projecting a gas through a transverse nozzle (42).By means of the system according to the invention, it is possible to continuously determine whether a nuclear fuel pellet (1), in particular after rectification (2), has to be rejected or not.
Owner:AREVA NC
Polishing apparatus
InactiveUS7021991B2Accurate measurementSmall sizePolishing machinesRevolution surface grinding machinesLength waveCharge couple device
A polishing apparatus has a polishing table having a polishing surface, a top ring for holding a workpiece to be polished and pressing the workpiece against the polishing surface on the polishing table, and a film thickness measuring device embedded in the polishing table. The film thickness measuring device includes a light source for applying light having a predetermined wavelength to a surface of the workpiece, a spectroscope for separating light reflected from the surface of the workpiece, and a charge coupled device array for capturing light separated by the spectroscope. The polishing apparatus also has a controller operable to analyze information captured by the charge coupled device array over the entire surface of the workpiece to obtain a film thickness at a desired point on the surface of the workpiece.
Owner:EBARA CORP
Method for operating a snapping unit having stripper plates with variable spacing
A method for operating a snapping device to harvest stalk crop relies upon stripper plates disposed in pairs and having a variable spacing therebetween. A snapping gap is formed by or in the variable spacing. Plant stalks are drawn into the snapping gap to sever crop fruit from crop stalks by the stripper plates. The diameter of the crop stalks is determined before entry into the snapping gap by a sensor device disposed in front of the snapping gap. A width of the snapping gap is adjusted depending on the diameter value that is determined.
Owner:CLAAS SELBSTFAHRENDE ERNTEMASCHINEN GMBH
Pellet Sorting by Diameter Measurement
InactiveUS20090103110A1Simple interfaceSmall diameterNuclear energy generationReactors manufactureContinuous measurementEngineering
A system based on the continuous measurement (20) of the diameter of a cylindrical object (1) moving, laid down, on a belt conveyor (10) allows dimensional compliance of the latter object to be checked.The measurement system (20) may be coupled with a sorting system based on ejection out of the conveyor (10) by projecting a gas through a transverse nozzle (42).By means of the system according to the invention, it is possible to continuously determine whether a nuclear fuel pellet (1), in particular after rectification (2), has to be rejected or not.
Owner:AREVA NC
Image regulating method and image forming device
InactiveCN1495578AEffective regulationEasy to adjustElectrographic process apparatusPictoral communicationPattern recognitionColor image
Owner:SHARP KK
Illumination system comprising heterogeneous fiber arrangement
ActiveUS20180081165A1Suppress stray lightImprove image qualityEndoscopesFibre light guidesFiberEngineering
An illumination system is provided that includes a spatial fiber arrangement with an optical element at the distal end of the fiber arrangement. The fiber arrangement has a first region including individual fibers with a significantly smaller active diameter in comparison with the individual fibers of a remaining region. The optical element at the distal end is assigned the remaining region. The fiber arrangement can be a rigid fiber rod that includes an intermediate region provided between the first region and the remaining region. The intermediate region suppresses stray light transfers between the first and remaining regions. The fiber arrangement can include an optical coupling element at a proximal end of the fiber rod.
Owner:SCHOTT AG
Insulator quality monitoring device of electric power system
InactiveCN103513126ASimple structureLow costTesting dielectric strengthElectric field sensorElectric power system
The invention discloses an insulator quality monitoring device of an electric power system. The device comprises an insulator hanging mechanism, electric field sensors, a wireless transmitting module, device moving modules, a wire and a control center monitoring module. The insulator quality monitoring device of the electric power system can wirelessly monitor the quality conditions of fixed insulators, monitored information is transmitted to the control center monitoring module by using the wireless transmitting module, the insulators are regarded as losing efficacy if the deviation between the monitored information and record data in a system is larger than 2%, and needs for manual overhaul are prompted. Further, the insulators in the whole circuit range can be patrolled automatically according to needs, and a traditional insulator monitoring device cannot achieve the operation.
Owner:XINCHANG GUANYANG TECH DEV +1
Method and device for monitoring quality of information transmission channel, storage medium and equipment
InactiveCN109921869AQuality InspectionTransmission monitoringWireless communicationMonitor qualityInformation transfer
The embodiment of the invention provides a method and device for monitoring the quality of an information transmission channel, a storage medium and equipment. The method comprises the steps of detecting whether at least one piece of information sent to a user terminal through an information transmission channel is used by a user of the user terminal or not; obtaining the proportion of the information used by the user in the at least one piece of information; and according to the proportion, generating a monitoring result representing the quality of the information transmission channel, the proportion being in direct proportion to the quality of the information transmission channel. Through the method, the quality of each information transmission channel can be conveniently and quickly detected.
Owner:BEIJING QIYI CENTURY SCI & TECH CO LTD
Inspection apparatus and method for liquid discharge head and liquid discharge head
ActiveUS9555653B2Convenient ArrangementQuality inspectionOther printing apparatusTectorial membraneEngineering
An apparatus for inspecting a liquid discharge head including an energy generation element provided on an element substrate and configured to make energy act on a liquid to discharge the liquid from an orifice, a lower protection film having an electrical insulating property and provided on the element substrate while covering the energy generation element, a wiring layer provided between the element substrate and the lower protection film and configured to supply electrical signal for driving to the energy generation element, and a conductive upper protection film provided on the lower protection film is provided. The apparatus comprises a detection circuit configured to detect a potential of the upper protection film when the energy generation element is driven; and a determination circuit configured to determine a driving state of the energy generation element from information about the potential detected by the detection circuit.
Owner:CANON KK
Coal mine quality detection device based on machine learning
InactiveCN113607531AEasy to addEasy to cleanPreparing sample for investigationFuel testingCoal briquetteMining engineering
The invention relates to the technical field of coal mine quality detection, in particular to a coal mine quality detection device based on machine learning, which comprises a crushing mechanism, two symmetrical locking mechanisms are mounted on the crushing mechanism, a screening mechanism is mounted in the crushing mechanism, and a pushing mechanism is mounted in the crushing mechanism. A detection mechanism is mounted in the crushing mechanism, and the exterior of the crushing mechanism is connected with a driving mechanism; and coal briquettes are conveniently crushed under the action of the crushing mechanism, the crushed coal briquettes are further filtered under the action of the screening mechanism, and powdery coal and the detection mechanism are repeatedly mixed under the action of the pushing mechanism, so that the water content detection work is conveniently carried out, and the quality of a coal mine is monitored.
Owner:NORTH CHINA INST OF SCI & TECH
Equipment and method for detecting quality of image display apparatus
InactiveCN101350165AQuality judgmentQuality inspectionElectrical testingCathode-ray tube indicatorsComputer graphics (images)Digital watermarking
The invention discloses a quality detection method of an image display device, which comprises a testing video which is inlaid with digital watermarking. Further, the quality detection method leads the image display device to display the testing video and retrieves the digital watermarking from the testing video which is displayed in the image display device. By this means, the quality detection method can retrieve the digital watermarking to compare with original digital watermarking, and the quality of the image display device is judged according to a comparison result.
Owner:新益发展有限公司
Quality detection method and device for fixed-focus camera module and computer storage medium
ActiveCN111556311AQuality InspectionTelevision system detailsColor television detailsGraphic cardImaging quality
The invention provides a quality detection method and device for a fixed-focus camera module, and a computer storage medium, and the method comprises the steps: obtaining M test images obtained by thefixed-focus camera module through photographing test graphic cards at different object distances, and determining the imaging quality parameters of N test areas in each test image; drawing N defocusing curves corresponding to each test area based on the imaging quality parameters of the N test areas in each test image in the M test images, the abscissa of each defocusing curve being the object distance during shooting and the ordinate of each defocusing curve being the imaging quality parameter of the corresponding area; determining the inclination of the lens of the fixed-focus camera modulebased on the N-1 defocusing curves corresponding to the N-1 peripheral areas and the conversion relationship between the object distance and the distance; determining the field curvature of the lensof the fixed-focus camera module based on the N defocusing curves and the conversion relationship between the object distance and the distance; and detecting the quality of the fixed-focus camera module based on the inclination and the field curvature.
Owner:KUNSHAN Q TECH CO LTD
Application software detecting method and service equipment
ActiveCN107563679AQuality InspectionImprove detection efficiencyResourcesThe InternetSoftware engineering
The invention relates to the field of internet technology and discloses an application software detecting method and service equipment. The detecting method includes that the service equipment acquires use feedback information of any application software from mass users from an application shop and stores the use feedback information to a database; the service equipment performs big data analysison the use feedback information and acquires comprehensive use evaluation of the application software, and judges whether the quality of the software meets preset quality requirements or not accordingto the comprehensive use evaluation; when that the quality of the application software does not meet the preset quality requirements, the software application is determined to be a to-be-uninstalledapplication software and the mark of the application software is stored in a pre-established mark set which includes marks a plurality of to-be-uninstalled software. The method provide by the invention can detect whether the application software is the to-be-uninstalled application software or not quickly, so that detection efficiency of the detection application software is improved substantially.
Owner:GUANGDONG XIAOTIANCAI TECH CO LTD
Illumination system comprising heterogeneous fiber arrangement
ActiveUS10254535B2Suppress stray lightImprove image qualityMechanical apparatusSurgeryFiberEngineering
An illumination system is provided that includes a spatial fiber arrangement with an optical element at the distal end of the fiber arrangement. The fiber arrangement has a first region including individual fibers with a significantly smaller active diameter in comparison with the individual fibers of a remaining region. The optical element at the distal end is assigned the remaining region. The fiber arrangement can be a rigid fiber rod that includes an intermediate region provided between the first region and the remaining region. The intermediate region suppresses stray light transfers between the first and remaining regions. The fiber arrangement can include an optical coupling element at a proximal end of the fiber rod.
Owner:SCHOTT AG
Lyophilized pharmaceutical compositions for naked DNA gene therapy
ActiveUS20200023075A1Reduce changesMinimizing partial lossOrganic active ingredientsPowder deliveryPharmaceutical drugPharmaceutical medicine
The present invention provides a novel lyophilized pharmaceutical composition that maintains the stability of a DNA plasmid while forming a uniform and elegant cake during lyophilization. The novel lyophilization formulation further allows uniform reconstitution of the DNA plasmid in a pharmaceutically acceptable solution, enabling complete recover of the active ingredients, minimizing partial loss of potency and allowing administration of the active ingredients in an accurate and consistent manner. Additionally provided herein include methods of making the lyophilized pharmaceutical composition and methods of administering the composition for treatment of various diseases.
Owner:HELIXMITH CO LTD
Insulator suspension mechanism monitoring device
InactiveCN103837756AQuality inspectionIncrease flexibilityTransmission systemsElectrical testingElectric field sensorWireless transmission
Owner:SHANGHAI PUDONG INTPROP PROTECTION ASSOC
Stamping part preliminary mold mechanism
InactiveCN105936135AReasonable distributionSmooth and wear-resistant surfacePressesPower flowUv detection
The invention discloses a stamping part preliminary mold mechanism. The stamping part preliminary mold mechanism mainly comprises a tablet machine, an electromagnetic directional valve, an oil purifier, an ultraviolet detection machine, a potentiometer, a check valve, an electric appliance connector and a relay; the tablet machine is connected with the electromagnetic directional valve, the oil purifier is connected to a line branch between the tablet machine and the electromagnetic directional valve, the ultraviolet detection machine is connected to the line in the other direction of the oil purifier, a current reversing valve is mounted on one line in the other direction of the electromagnetic directional valve, and the potentiometer is mounted on the other line; and an air pressure hydraulic system is reasonable in distribution, pressed parts are hard, the surface is smooth and wear-resisting, and the quality is detected.
Owner:安徽省东至县东鑫冲压件有限责任公司
Battery pole welding quality detection device and method
PendingCN113916460AQuality InspectionDetection of fluid at leakage pointMechanical engineeringGaseous detection device
The invention discloses a battery pole welding quality detection device and method, and the device comprises: a sealed container which is used for placing a detected battery; a gas mixer which is used for being connected with the detected battery in the sealed container and filling detection gas into the detected battery; and a gas detection device which is connected with the sealed container and is used for detecting the leakage rate of the detected battery after the detected battery is filled with a certain amount of detection gas by the gas mixer. The welding quality of the battery pole is detected in real time under the condition that the battery is not damaged, different battery cavities can be inflated at the same time, multiple cavities can be detected at the same time, the detection accuracy is high, and the efficiency is also high.
Owner:东风时代(武汉)电池系统有限公司
Insulator quality monitoring device
InactiveCN103837751AIncrease flexibilityLow costTransmission systemsElectrostatic field measurementsTelecommunicationsQuality monitoring
The invention discloses an insulator quality monitoring device. The device comprises an insulator suspension mechanism, an electric field sensor, a wireless transmission module, a device moving module, a wire, and a control center monitoring module. The device can monitor the quality of fixed insulators wirelessly and transmits monitoring information to the control center monitoring module by means of the wireless transmission module. If there is a deviation over 2% compared to recorded data in a system, an insulator is considered to be invalid, and the device prompts that manual maintenance is needed. Besides, the device can automatically inspect insulators in the whole line range according to needs, which cannot be accomplished by insulator quality monitoring devices in the prior art.
Owner:上海市闵行区知识产权保护协会
Quality inspection method of copper plating on flexible circuit board of camera module
InactiveCN106770912BQuality inspectionChemical analysis using titrationCopper platingFlexible circuits
The purpose of the invention is to provide a method for detecting the quality of deposition plated copper on a camera module flexible circuit board. The method comprises the following steps: cutting a copper deposited and plated flexible circuit board to form a 2*2 cm flexible circuit board, adding the 2*2 cm flexible circuit board to a buffering solution, adding hydrogen peroxide, stirring the 2*2 cm flexible circuit board and the solution to dissolve the 2*2 cm flexible circuit board, adding ethanol, adding a PAN indicator, adopting EDTA to carry out titration, calculating the use amount of the EDTA, and obtaining the quality index according to the use amount of the EDTA. The method can be used to well detect the quality of the deposition plated copper, and is suitable for being used in production.
Owner:芜湖赋兴光电有限公司
Ventilation noise-insulation window
PendingCN107882488AReduce noiseAchieve low frequency radiated noiseVentilation arrangementNoise insulation doors/windowsAir cleaningAir cleaners
The invention discloses a ventilation noise-insulation window comprising a window body. A noise-reduction ventilation device is arranged on a window body and comprises a channel communicating with theoutdoor space and the indoor space; an air purifying device, a fan for driving air to flow, a low-frequency silencer for eliminating low-frequency noise and a high-frequency silencer for eliminatinghigh-frequency noise are arranged on the channel; the air purifying device, the high-frequency silencer, the low-frequency silencer and the fan are connected one by one through pipelines to form an air passage; and the high-frequency silencer is arranged in front of the low-frequency silencer in the air flowing direction. Noise, especially the low-frequency radiation noise, transmitted from the outside environment can be lowered while large-flow ventilation of a room is achieved; when the window is closed, the overall noise-insulation amount of the window is 35-40 dB; and air in the room can be purified, and environment information is displayed through a display screen.
Owner:四川三元环境治理股份有限公司
Method, system, computer equipment and storage medium for detecting source code quality
ActiveCN112256272BSolve technical problems of quality inspectionQuality InspectionCode compilationSoftware engineeringSource code
The invention discloses a method for detecting the quality of source code based on the dimension of the code developer, a strategy of binding the user ID of the current code developer with the quality detection result of the source code, and using the quality detection result of the currently submitted source code and the previous detection The method of differentially comparing the results obtains the source code quality inspection result data submitted by the current developer. The method of the invention solves the technical problem that the source code detection tool SonarQube cannot satisfy the quality detection of the source code according to the dimension of the code submitter.
Owner:SICHUAN CHANGHONG ELECTRIC CO LTD
Optical module quality detection method and device, storage medium and electronic equipment
InactiveCN113452440AQuality InspectionElectromagnetic transmissionOptical ModulePhotoelectric conversion
The embodiment of the invention discloses a quality detection method and device of an optical module, a storage medium and electronic equipment, and the method comprises the steps: responding to the triggering of a quality detection event of the optical module, enabling a processing chip to send a first PRBS code stream to the optical module; receiving a second PRBS code stream fed back by the optical module, wherein the receiving end and the sending end of the optical module are connected through an optical fiber self-closed loop, the second PRBS code stream is an electric signal corresponding to a received target optical signal transmitted by the optical fiber based on a closed loop connection mode of the optical module, and the target optical signal is an optical signal obtained after the optical module performs photoelectric conversion on a first PRBS code stream; calculating a bit error probability (BER) of the optical module based on the first PRBS code stream and the second PRBS code stream; and determining the quality of the optical module based on the BER. Through the technical scheme provided by the embodiment of the invention, the quality of the optical module can be quickly and accurately detected.
Owner:EVERSEC BEIJING TECH
Application software detection method and service equipment
ActiveCN107563679BQuality InspectionImprove detection efficiencyResourcesSoftware engineeringThe Internet
The invention relates to the field of internet technology and discloses an application software detecting method and service equipment. The detecting method includes that the service equipment acquires use feedback information of any application software from mass users from an application shop and stores the use feedback information to a database; the service equipment performs big data analysison the use feedback information and acquires comprehensive use evaluation of the application software, and judges whether the quality of the software meets preset quality requirements or not accordingto the comprehensive use evaluation; when that the quality of the application software does not meet the preset quality requirements, the software application is determined to be a to-be-uninstalledapplication software and the mark of the application software is stored in a pre-established mark set which includes marks a plurality of to-be-uninstalled software. The method provide by the invention can detect whether the application software is the to-be-uninstalled application software or not quickly, so that detection efficiency of the detection application software is improved substantially.
Owner:GUANGDONG XIAOTIANCAI TECH CO LTD
Light transmission direction control sheet
InactiveUS20190049776A1High light transmittanceImprove luminanceMechanical apparatusLayered productsRefractive indexLight transmission
A light transmission direction control sheet includes a louver layer having a light transmission band and a light-shielding band alternately and repeatedly disposed, a first transparent resin layer disposed on a first surface of the louver layer, and a second transparent resin layer disposed on a second surface of the louver layer. Each of the difference between the refractive index of the light transmission band and the refractive index of the first transparent resin layer, and the difference between the refractive index of the light transmission band and the refractive index of the second transparent resin layer, is less than 0.1.
Owner:SHIN-ETSU POLYMER CO LTD
Image regulating method and image forming device
InactiveCN1310102CEffective regulationEasy to adjustElectrographic process apparatusPictoral communicationColor imageImaging quality
Images based on each of a plurality of color components are formed; the formed images are transferred on each transfer medium to form an image quality determining image; the image quality of the image quality determining image is determined on the basis of the detected density thereof, an adjustment image is formed by overlaying and transferring an image of other color component to be adjusted to the reference image of the reference color image out of the plurality of color components, on the transfer medium; the density of the adjustment image is detected; and the image forming position of the other color component to be adjusted is adjusted on the basis of the detected density. At the time of executing the color matching adjustment process for detecting the overlaid state of color component images, it is determined whether a specified time has passed or not since the previous adjustment process, a specified number of images are formed or not, environments are changed or not, and the power source is turned on or off or not. When it is predicted that the quality of the formed image is out of an appropriate range, a quality checking image is formed, its image quality is checked, and the color matching adjustment process is executed only when it is within an appropriate range.
Owner:SHARP KK
Quality inspection method, device and computer storage medium of fixed-focus camera module
ActiveCN111556311BQuality InspectionTelevision system detailsColor television detailsImaging qualityRadiology
The invention provides a quality detection method, device and computer storage medium of a fixed-focus camera module, the method comprising: obtaining M test images obtained by the fixed-focus camera module by photographing test chart cards at different object distances, Determine the imaging quality parameters of N test areas in each test image; draw the defocus curve corresponding to each test area based on the imaging quality parameters of N test areas in each test image in M test images, a total of N Defocus curve, the abscissa of each defocus curve is the object distance when shooting, and the ordinate is the imaging quality parameter of the corresponding area; based on N-1 defocus curves corresponding to N-1 surrounding areas and the object distance and distance The conversion relationship between them determines the inclination of the fixed-focus camera module lens; based on the conversion relationship between the N defocus curves and the object distance and the distance, the field curvature of the fixed-focus camera module lens is determined; based on the inclination and field curvature, Check the quality of the fixed-focus camera module.
Owner:KUNSHAN Q TECH CO LTD
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