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55results about How to "Comprehensive measurement results" patented technology
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Mobile terminal and method for detecting temperatures by using same
InactiveCN102045423ATimely measurementAccurate measurementPyrometry using electric radation detectorsTelephone set constructionsComputer terminalComputer science
The invention discloses a mobile terminal and a method for detecting temperatures by using the same. The mobile terminal comprises a temperature detector, wherein the temperature detector comprises an infrared lens, a data processing module and a display module; the infrared lens is used for acquiring real-time infrared image radiation emitted from the surface of an object to be detected; the data processing module is used for converting the acquired real-time infrared image radiation into real-time visible light image data and temperatures of designated points on the surface of the object to be detected; and the display module is used for displaying the acquired real-time visible light image data and the temperatures of the designated points on the surface of the object to be detected. According to the invention, the advantages of the mobile terminal and the infrared temperature detection are given full play, so that the temperature can be measured comprehensively and accurately in time.
Owner:YINGHUADA (SHANGHAI) ELECTRONIC CO LTD
Cooperative measurement and switching setting optimization method among multiple cells in mobile communication network
ActiveCN102026232AImprove performanceIncrease capacityNetwork traffic/resource managementCommunications systemMobile communication systems
The invention provides a cooperative measurement and switching setting optimization method among multiple cells in a mobile communication network. The cooperative measurement and switching setting optimization method requires that the multiple cells positioned on a network side cooperatively control a mobile terminal to complete radio link measurement in specified cell coverage areas, and the specified cell coverage areas are target areas of the multiple cells trying to carry out intercell switching optimization. An intercell cooperative measurement mechanism enables a source cell starting the measurement to acquire a measuring result of the mobile terminal from other cells and assists the source cell to detect the necessity of switching and the reasonability of mobile parameter setting, and if the source cell discovers unnecessary switching exists among cooperative cells or the mobile parameter setting is unreasonable, the source cell can notify information to the cooperative cells so as to trigger the optimization process of the mobile parameter setting; and finally, the multiple cooperative cells can prevent unreasonable switching by modifying parameters, thereby achieving the optimization of the integral mobile function of the mobile communication network and realizing the enhancement of the property and the capacity of a mobile communication system.
Owner:北京万海云科技有限公司
On-line double-sided automatic thickness measuring device of organic glass
ActiveCN101806592APrevent the beam from shakingHigh precisionMeasurement devicesSpeed measurementMeasurement device
The invention relates to an on-line double-sided automatic thickness measuring device of organic glass, which mainly comprises a control system, a machine frame, a support frame, a detection frame, a cross beam, a cross beam regulator, a feeding distance measuring device and a plurality of thickness measuring devices, wherein the upper end of the machine frame is fixedly connected with the detection frame, the cross beam is connected onto the upper edge frame of the detection frame through the cross beam regulator, the inside of the detection frame is fixedly connected with the support frame, a plurality of support guide shafts are arranged on the support frame, a feeding speed measuring device is arranged at one end of any support guide shaft for measuring the feeding distance of an organic glass plate, the thickness measuring device comprises upper thickness measuring units and lower thickness measuring units, and a plurality of upper thickness measuring units and lower thickness measuring units are respectively and symmetrically arranged on the cross beam and the detection frame for detecting the thickness information of the front side and the back side of multi-point positions of the organic glass plate. Because the control system is used for processing and calculating the position information of entity space three-dimensional lattices of the organic glass in real time for confirming the dimension quality of the plates, the on-line double-sided automatic thickness measuring device has the advantage of simple and compact structure, and can be directly arranged at a production line for real-time measurement.
Owner:JIANGSU TOMSON NEW MATERIAL TECH CO LTD
Method for measuring the deformation of large-sized workpiece
The invention discloses a method for measuring the deformation of a large-sized work-piece, which comprises the following steps of: firstly, placing a fixed point; secondly, sticking a deformation point; thirdly, sampling and shooting a picture; fourthly, rebuilding the information of the deformation point; fifthly, combining the coordinates; sixthly, resetting the ID of the deformation point; and seventhly, calculating the deformation quantity. By the operation steps, the invention can measure the direction and size of the three dimensional deformation of the large-size workpiece, which is caused by the applied force load, thermal load, etc. The method has the characteristics of easy operation, no restriction of the size of the workpiece, abundant measurement information, precise and reliable results, high efficiency and non-contact measurement.
Owner:XI AN JIAOTONG UNIV
Measuring apparatus and method for transmission accuracy of gear pair
InactiveCN101271038AEasy to adjustEasy clampingMachine gearing/transmission testingTurn angleElectric machine
The invention relates to a gear pair transmission precision measuring device and a method, which belongs to the technical field of gear pair transmission precision measurement. The device essentially includes a turning angle input part, a turning angle output measuring part and a computer data collecting, analyzing and processing part, wherein, the turning angle input part and the turning angle output measuring part respectively include an angle sensor. The method includes the following steps: (a) a computer controls the rotating angle and speed of a servo motor (2) according to the speed ratio of a gear pair, and collects the data from an input angle sensor (1) and an output angle sensor (15) at the same time; (b) the computer completes the peak removal, value filtration and error curve outline extraction of the data from the sensors, and adopts the right-angle coordinate and the polar coordinate to display the transmission error, backlash and deviation tendencies of each point of the gear pair. The device and the method have the advantages of good reliability, fast measuring speed, high measuring precision and wide scope of measurement.
Owner:NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
Method for measuring steel structure welding deformation based on gridding
InactiveCN102607446AEasy to makeNot limited by the size of the structureUsing optical meansInformation quantityEngineering
The invention discloses a method for measuring steel structure welding deformation based on gridding, which is characterized in that the procedures of the measuring method comprise: designing gridding, manufacturing a silk screen mould, printing the gridding, fixing a shooting point, sampling and shooting, reconstructing gridding information, creating a deformation coordinate system, comparing corresponding images and calculating deformation. By means of the operation steps, the method disclosed by the invention can measure the deformation dimension and the size of deformation generated during the welding process, and the method has the advantages of being convenient in operation, large in measuring information quantity, accurate and reliable in result, high in efficiency and having no limit on steel structure dimension, non-contact measurement availability.
Owner:CHINA CONSTR IND & ENERGY ENG GRP CO LTD +1
Friction corrosion fatigue test device and friction corrosion fatigue test method of heavy-load scraper plate conveyor circular chain
ActiveCN106289759AEasy to operateIntuitive measurement resultsMachine gearing/transmission testingAuxiliary electrodeDynamic Tension
Owner:CHINA UNIV OF MINING & TECH
A testing apparatus and a method for measuring a diffusion radius for binary-slurry grouting
InactiveCN105527197AReduce measurement errorRapid assessmentDiffusion analysisObservational errorDiffusion
The invention discloses a testing apparatus for measuring a diffusion radius for binary-slurry grouting. The testing apparatus comprises a sandy soil system and a grouting system. The sandy soil system comprises a water storing container and a sealed sandy soil container. The bottom of the sandy soil container is communicated with the water storing container. The sandy soil container contains a compacted sandy soil test sample. The grouting system comprises a pneumatic supply and a sealed slurry storing container. The slurry storing container contains a binary slurry. The pneumatic supply is communicated with the top of the slurry storing container. The bottom of the slurry storing container is communicated with a grouting pipe. The lower end of the grouting pipe penetrates through a top cover of the sandy soil container and is inserted vertically into the sandy soil test sample. The part of the grouting pipe, which is inserted into the sandy soil test sample, is provided with grouting holes. A method for measuring the diffusion radius for binary-slurry grouting is also provided by the invention. The testing apparatus and the method stimulate a binary slurry grouting environment in engineering practice, measure the diffusion radius for binary-slurry grouting under different grouting pressures, provide theoretical references for diffusion radius determination of in engineering practice, and greatly reduce measurement errors of the grouting diffusion radius.
Owner:WUHAN MUNICIPAL CONSTR GROUP
Method and device for measuring importance of news
InactiveCN104331419AEasy to findMeasure results objectivelyWeb data indexingSpecial data processing applicationsProperty valueData mining
The invention provides a method and a device for measuring the importance of news. The method comprises the following steps of determining at least one publishing property of news to be measured and a weight of each publishing property in the importance of news; acquiring a property value of each publishing property, weighting the at least one publishing property according to the determined weight and the acquired property value, and taking the calculated value as an importance value of the news to be measured; comparing the importance value with a preset measuring rule, and measuring the importance of the news to be measured. According to the method, the importance of the news to be measured is comprehensively measured based on at least one publishing property of the news to be measured, so that a measuring result is more objective, accurate and comprehensive.
Owner:BEIJING QIHOO TECH CO LTD +1
Network measurement method and device and electronic equipment
ActiveCN111866932AComprehensive measurement resultsHigh level techniquesWireless communicationTransport layerNetwork measurement
The embodiment of the invention provides a network measurement method and device, and electronic equipment, which relate to the technical field of network communication. The method comprises the stepsof obtaining a first measurement parameter reflecting the physical layer performance of a to-be-measured network, obtaining a second measurement parameter reflecting the performance of the data linklayer of the to-be-measured network, obtaining a third measurement parameter reflecting the network layer performance of the to-be-measured network, obtaining a fourth measurement parameter reflectingthe transmission layer performance of the to-be-measured network, obtaining a fifth measurement parameter reflecting the application layer performance of the to-be-measured network, and obtaining a network measurement result according to the first measurement parameter, the second measurement parameter, the third measurement parameter, the fourth measurement parameter and the fifth measurement parameter. Therefore, by applying the scheme provided by the embodiment of the invention, the accuracy of network measurement can be improved.
Owner:BEIJING UNIV OF POSTS & TELECOMM
Geological radar assisting boarding device and method
ActiveCN106646630AEasy to testAdapt to unevennessDetection using electromagnetic wavesVehicle frameBaseboard
The invention relates to a geological radar assisting boarding device and method, and belongs to the advanced forecasting related technical field; the geological radar assisting boarding device mainly comprises a front frame; the front frame is fixedly connected with a rear frame through a connecting rod; the front frame is provided with a support mechanism; the rear frame is provided with a fixed mechanism; the support mechanism and the fixed mechanism can commonly support a telescopic rod; one end of the telescopic rod is fixedly connected with an expansion head; the expansion head is hinged to a hinged shoe; the hinged shoe is arranged on a fixed frame; the fixed frame is used for mounting the geological radar; the front and rear frames are respectively provided with universal wheels; the rear frame is provided with an armrest rack; the whole novel structure can help the geological radar to measure a tunnel face and baseboard in a large scale, thus obtaining more accurate measuring results, and providing security for follow up projects.
Owner:SHANDONG UNIV
Measuring apparatus and method for obtaining apparent viscosity physical property of low-temperature thick liquid through combination with density measurement
ActiveCN105547910ALow costSimple preparation processFlow propertiesSpecific gravity measurementMeasurement deviceLiquid viscosity
The invention discloses a measuring apparatus and method for obtaining apparent viscosity physical property of a low-temperature thick liquid through combination with density measurement. The apparatus comprises a low-temperature-thick-liquid feeding unit, a low-temperature-thick-liquid-density measuring unit, and a low-temperature-thick-liquid-viscosity measuring unit. The low-temperature-thick-liquid feeding unit is connected to the low-temperature-thick-liquid-density measuring unit and the low-temperature-thick-liquid-viscosity measuring unit in sequence through pipelines in order to enable the low-temperature thick liquid to pass through the two units. The low-temperature-thick-liquid-density measuring unit is internally provided with a density measuring electrode and an LCR measuring instrument and can measures density of the low-temperature thick liquid. The viscosity measuring unit calculates density of a stirred objective fluid through torque, of a rotating cylinder, measured by a torque transducer. The low-temperature measuring apparatus adapts to measurement of density and viscosity of a solid-liquid thick liquid or a single-phase fluid at a low temperature and is simple in process. Density measured values and viscosity measured values measured by the measuring apparatus are corresponding one to one, so that the measured results are entire. The apparatus and method can be widely applied to fields, such as air separation, spaceflight, and superconductors, with respect to deep cryogenic technology.
Owner:ZHEJIANG UNIV
Portable device and method for detecting depth of engraved character
PendingCN110375644AAccurate measurementComprehensive measurement resultsUsing optical meansCamera lensEngineering
The invention discloses a portable device for detecting the depth of an engraved character. The device comprises a mechanical casing body, a clamping mechanism, rollers, a display screen and a laser triangulation optical path unit. The laser triangulation optical path unit includes a linear laser, a reflecting mirror, a lens and an image sensor; a filter piece is arranged between the image sensorand the lens; and a glass window is arranged at the bottom of the mechanical casing body. In addition, the invention also discloses a method for detecting depth of an engraved character. A trigger signal is generated; 3D contour data of a character surface are sampled and character characteristic data represented by a character scanning contour line are calculated; and then a character detection result is finally displayed. Therefore, non-contact comprehensive detection of the depth or height of the coded character, the size of the character, and the distance between adjacent characters can berealized; the manual detection cost during the process of motor vehicle manufacturing and annual inspection can be lowered; the detection accuracy and detection efficiency can be improved; and the technical problems existing in the industry can be solved.
Owner:成都绝影智能科技有限公司
Near infrared household food detection device and method
InactiveCN103487400AAvoid influenceRealize processingMaterial analysis by optical meansExtensibilityAdditive ingredient
The invention discloses a near infrared household food detection device and method, and belongs to a food detection device and method by utilizing optical absorption characteristics of organic ingredients of food in a near infrared spectrum area. According to the device, near infrared rays emitted by a near infrared light emitting diode are collimated and emitted in parallel through a collimator objective and are converged to a detector through a focusing lens; a sample rack is arranged above a middle position between an optical filter and the detector; the detector is provided with an interface connected with a computer. The method comprises the following steps: adjusting the position of the near infrared light emitting diode, so that the emitted near infrared rays are received by the detector; suspending a sample to be detected on the sample rack; arranging the optical filter, so as to obtain a detection result of the sample to be detected under a particular wavelength; finally, analyzing the detection result according to the conventional technology, so as to obtain a detection conclusion. A filtering effect is improved, the device has a detection function under different wavelengths, and the influence of a container loading the sample to be detected on a measurement result is avoided. In addition, the device has high upgradeability and high extensibility.
Owner:WUXI X RES PROD DESIGN & RES
Core self-absorption experimental method based on CT scanning
InactiveCN108827986AHigh precisionAvoid measurement errorsMaterial analysis by transmitting radiationObservational errorComputed tomography
The invention discloses a core self-absorption experimental method based on CT scanning, which includes the following steps: S100, acquiring a core sample, and acquiring an image of a core sample in astate of no invasion of self-absorption water through the CT scanning; S200, capturing images at various time points in a state of invasion of self-absorption water through CT scanning constant-angelprojection, in a core sample water self-absorption experiment process; S300, acquiring the CT scanning projection image of the core sample after the water self-absorption experiment process is stopped; S400, acquiring three-dimensional spatial distribution of self-absorption water in the pores of rock before and after invasion of self-absorption water through an image difference method. The method can perform measurement through CT scanning, without taking the core from self-absorption water, to avoid measurement errors. At the same time, the infiltration absorption rate of self-absorption water in the pores of the core, and the specific distribution position of self-absorption water in the core can be obtained, measurement results can be more accurate and comprehensive.
Owner:IROCK TECH CO LTD
Computer micro-resistor high-precision testing device based on CPCI
InactiveCN103472307AEnhanced interactionRealize automatic judgmentResistance/reactance/impedenceResistorAccuracy and precision
The invention discloses a computer micro-resistor high-precision testing device based on the CPCI. The device comprises a constant flow source used for providing reference stimulation for a resistor to be tested, a signal conditioning card used for processing voltage drop signals sent by the resistor to be tested, a CPCI collecting card used for collecting signals, a man-machine information interaction platform and a CPCI computer, wherein the constant flow source is connected with the signal conditioning card, the signal conditioning card is connected with the CPCI collecting card, the CPCI collecting card is connected with the man-machine information interaction platform, and the man-machine information interaction platform is connected with the CPCI computer. The computer micro-resistor high-precision testing device based on the CPCI has the advantages that measuring accuracy is high and can reach + / -0.1 milliohm; the automation degree is high, and automatic measurement, automatic data judgment, automatic test report generation and automatic filing can be achieved; man-machine communication information is rich, a great amount of information of products to be tested can be typed in, and test results can be fed back in the form of diagrams, files, animation and the like.
Owner:INST OF CHEM MATERIAL CHINA ACADEMY OF ENG PHYSICS
Method for measuring radar cross section by using extrapolation method
ActiveCN107192990AAccurate measurementComprehensive measurement resultsWave based measurement systemsRadar cross-sectionSpace radiation
The invention discloses a method for measuring a radar cross section by using an extrapolation method. The method includes the following steps that: the position of a transmitting source is aligned with the position of a measured target, so that the transmitting source can be aligned with the measured position of the measured target; in a process in which the transmitting source leaves the measured target, the radiation power or electromagnetic wave amplitudes of the transmitting source under a plurality of measurement positions and received spatial radiation power or electromagnetic wave amplitudes which are scattered by the target are correspondingly obtained; a radar cross section measurement curve which changes with the distance of the transmitting source and measured target is obtained according to the radiation power or electromagnetic wave amplitudes of the transmitting source under the plurality of measurement positions and the received spatial radiation power or electromagnetic wave amplitudes which are scattered by the target; the function of the change of the radar cross section of the measured target with the distance is obtained according to the radar cross section measurement curve; and the distance infinity limit of the function is solved, so that the radar cross section of the measured target can be obtained. The method has the advantages of high measurement accuracy and wide application range.
Owner:NAT INST OF METROLOGY CHINA
Performance testing device and method for spark detection probe
ActiveCN109307552AProbe Response TimeDetection sensitivitySensing radiation from gases/flamesEngineeringThermal radiation
The invention relates to a performance testing method for a spark detection probe. The device comprises a heat source device, an optical component and a clamping device, wherein the heat source device, the optical component and the clamping device are arranged in sequence; the heat source device is used for generating thermal radiation, and the thermal radiation is spread to the direction of the clamping device; the optical component is positioned in a thermal radiation spreading path and is used for forming thermal radiation into different types of thermal radiation signals; and the clampingdevice is used for clamping a spark detection probe to be detected. By use of the performance testing device for the spark detection probe, the performance, including the response time, the sensitivity and the like, of the spark detection probe can be flexibly and accurately detected. The device is suitable for different spark detection probes and is suitable for different working conditions.
Owner:HUILE INSFORD ENVIRONMENTAL SAFETY RES INST (SUZHOU) CO LTD
A network measurement method, device and electronic equipment
ActiveCN111866932BComprehensive measurement resultsHigh level techniquesWireless communicationTelecommunicationsTransport layer
The embodiment of the invention provides a network measurement method and device, and electronic equipment, which relate to the technical field of network communication. The method comprises the stepsof obtaining a first measurement parameter reflecting the physical layer performance of a to-be-measured network, obtaining a second measurement parameter reflecting the performance of the data linklayer of the to-be-measured network, obtaining a third measurement parameter reflecting the network layer performance of the to-be-measured network, obtaining a fourth measurement parameter reflectingthe transmission layer performance of the to-be-measured network, obtaining a fifth measurement parameter reflecting the application layer performance of the to-be-measured network, and obtaining a network measurement result according to the first measurement parameter, the second measurement parameter, the third measurement parameter, the fourth measurement parameter and the fifth measurement parameter. Therefore, by applying the scheme provided by the embodiment of the invention, the accuracy of network measurement can be improved.
Owner:BEIJING UNIV OF POSTS & TELECOMM
Deep hole axis scanning measurement device and measurement method thereof
ActiveCN110954037AImprove general performanceAvoid human involvementMeasurement devicesMeasurement deviceEngineering
The invention belongs to the technical field of geometric quantity measurement. The invention particularly relates to a scanning measurement device for a deep hole axis. The device comprises a rack, atelescopic mechanism and a scanning mechanism. The telescopic mechanism is erected on rack, the output end of the telescopic mechanism is vertically downward; the scanning mechanism is connected withthe output end of the telescopic mechanism; the scanning mechanism comprises a first fixing plate, a second fixing plate and six sensors. The first fixed plate is vertically connected with the outputend of the telescopic mechanism through a first connecting rod; the second fixing plate and the first fixing plate are arranged in parallel, the second fixing plate is connected with the first fixingplate through a second connecting rod, the output ends of three sensors are arranged on the first fixing plate together with a first circumcircle, the output ends of the other three sensors are arranged on the second fixing plate together with a second circumcircle, and the first circumcircle and the second circumcircle are coaxial. The scanning measurement device has the characteristics of strong universality, high precision, high efficiency and the like. In addition, the invention further provides a measurement method of the scanning measurement device, so that the working stability and efficiency of the scanning measurement device are improved.
Owner:TIANJIN UNIV
Measuring Radar Scattering Cross Section Area by Extrapolation Method
ActiveCN107192990BAccurate measurementComprehensive measurement resultsWave based measurement systemsRadar cross-sectionSpace radiation
The invention discloses a method for measuring a radar cross section by using an extrapolation method. The method includes the following steps that: the position of a transmitting source is aligned with the position of a measured target, so that the transmitting source can be aligned with the measured position of the measured target; in a process in which the transmitting source leaves the measured target, the radiation power or electromagnetic wave amplitudes of the transmitting source under a plurality of measurement positions and received spatial radiation power or electromagnetic wave amplitudes which are scattered by the target are correspondingly obtained; a radar cross section measurement curve which changes with the distance of the transmitting source and measured target is obtained according to the radiation power or electromagnetic wave amplitudes of the transmitting source under the plurality of measurement positions and the received spatial radiation power or electromagnetic wave amplitudes which are scattered by the target; the function of the change of the radar cross section of the measured target with the distance is obtained according to the radar cross section measurement curve; and the distance infinity limit of the function is solved, so that the radar cross section of the measured target can be obtained. The method has the advantages of high measurement accuracy and wide application range.
Owner:NAT INST OF METROLOGY CHINA
Environment-friendly water quality monitoring equipment
PendingCN112964849AComprehensive measurement resultsEasy to operateBatteries circuit arrangementsRotary propellersElectric energyMechanical engineering
The invention provides environment-friendly water quality monitoring equipment, which relates to the technical field of water quality monitoring. The environment-friendly water quality monitoring equipment comprises a solar charging device used for supplying power, a suspension block installed at the bottom of the solar charging device, a lifting rod installed at the bottom of the suspension block, a rotating device connected with the bottom of the lifting rod, a containing shell installed at the bottom of the rotating device, a propelling device and a water quality monitor installed in the containing shell, a controller electrically connected with the solar charging device, the lifting rod, the propelling device and the water quality monitor and located in the containing shell, and a flushing device arranged on the containing shell. The solar charging device is installed above the suspension block, so that the equipment can convert solar energy into electric energy through illumination, power supply to the equipment is achieved, operation is convenient, self-charging is not needed, and energy is saved.
Owner:徐启楠
Multi-polarization-mode combined array type ground penetrating radar antenna and control method thereof
PendingCN112578339AHigh precisionComprehensive measurement resultsWave based measurement systemsAntenna arraysRadar antennasDipole antenna
The invention provides a multi-polarization-mode combined array type ground penetrating radar antenna and a control method thereof. The multi-polarization-mode combined array type ground penetrating radar antenna comprises an electric insulation plate base, a radar antenna array fixed to the electric insulation plate base, an antenna switch assembly and a radar host. The radar antenna array comprises six rows of radar antenna groups which are respectively a first row of radar antenna groups, a second row of radar antenna groups,..., and a sixth row of radar antenna groups. And the polarizationdirection of each radar antenna group is set. The antenna has the advantages that rich measurement results of each polarization mode in each measurement mode can be realized only by controlling the switch of each radar antenna, selecting the two corresponding radar antenna groups matched with the polarization modes and switching the states of the selected radar antenna groups, and rich measurement results of each polarization mode in each measurement mode can be realized. According to the invention, 3D measurement is effectively combined with the multi-polarization component of the dipole antenna, so that the effect of obtaining rich measurement data through one-time measurement is realized, and the precision and the breadth of a measurement result are improved.
Owner:YUNNAN AEROSPACE ENG GEOPHYSICAL SURVEY INSPECTION
Casting narrow deep cavity inner surface measuring method based on three-dimension scanning
ActiveCN108917667AFull response sizeEfficient measurementUsing subsonic/sonic/ultrasonic vibration meansPoint cloudFast measurement
The invention provides a casting narrow deep cavity inner surface measuring method based on three-dimension scanning. The method comprises the steps that a theoretical module is structured to a theoretical surface associated with casting dimensions by using three-dimension scanning equipment; a typical point is selected in the inner surface of the casting; a marked ring is arranged on the outer surface of the casting, the center of a circle of the marked ring is located on a straight line which is perpendicular to axis of rotational symmetry of the casting in an intersecting mode and pass through the typical point; three-dimension scanning is carried out on the casting; a contract color ribbon is adjusted, obvious differences exist in three-dimension scanning point cloud of the outer surface of the casting in the marked ring and a ring inner area; the distance from center of the circle of the marked ring to the theoretical surface is calibrated; the wall thickness of the casting in theposition of the center of the circle of the marked ring is measured; and the distance from the typical point to the theoretical surface is calculated by using the distance and the wall thickness of the center of the circle of the marked ring to the theoretical surface. According to the casting narrow deep cavity inner surface measuring method based on the three-dimension scanning, the casting narrow deep cavity inner surface typical point and the outer surface are combined accurately by using the marked ring, and efficient and rapid measurement of the casting inner surface dimensions is realized.
Owner:BEIJING HANGXING MACHINERY MFG CO LTD
Breakdown spectrum and absorption spectrum combined measurement system and method
PendingCN111272736AGuaranteed reliabilityHigh sensitivityAnalysis by thermal excitationColor/spectral properties measurementsData acquisitionEngineering
The invention provides a breakdown spectrum and absorption spectrum combined measurement system and method. The system comprises a laser emission mechanism, a detection mechanism, a signal acquisitionmechanism and a computer, wherein the detection mechanism comprises an object placing table for bearing a detected object, a container arranged above the object placing table and an air pump communicated with the upper part of the container; the laser emission mechanism comprises a first laser emitting mechanism and a second laser emitting mechanism; the signal acquisition mechanism comprises a first signal acquisition mechanism and a second signal acquisition mechanism, the first signal acquisition mechanism comprises optical fibers arranged on the two sides of the object placing table and aspectrograph connected with the optical fibers, and the second signal acquisition mechanism comprises a photoelectric detector, a digital oscilloscope, a lock-in amplifier and a data acquisition card. According to the invention, comprehensive, accurate and high-precision measurement can be carried out on gas-solid-liquid three-state substances, the detection capability of the system is improved,and the reliability of a measurement result is ensured.
Owner:HEBEI UNIVERSITY
Measurement device for measuring temperature field of vehicle vent pipe
InactiveCN105222925AQuick layoutComprehensive and accurate measurement resultsThermometer applicationsMeasurement deviceElectrical and Electronics engineering
The invention discloses a measurement device for measuring the temperature field of a vehicle vent pipe. The device comprises a base, a guide rail fixedly arranged on the base and parallel to the axial direction of the vehicle vent pipe, at least two sensor fixing bases arranged on the guide rail and sensors arranged on the sensor fixing bases. The sensors are in the form of temperature sensors. The sensor fixing bases are slidably mounted onto the guide rail and are fixed at preset places via fixing parts. According to the requirements of desired measurement data, the device is placed at a preset place below the vehicle vent pipe. Meanwhile, the guide rail is ensured to be parallel to the vehicle vent pipe. According to the technical scheme of the invention, a plurality of sensor fixing bases are arranged on the guide rail and sensors are arranged on the sensor fixing bases. Through adjusting the sensor fixing bases, the sensors are driven to reach preset places and then are fixed. In this way, the rapid arrangement of the sensors during measurement is realized. As a result, the number of the sensors is adjustable, and the positions of the sensors are adjustable along the axial and radial directions of the vehicle vent pipe. The measurement result of the measurement device is more comprehensive and more accurate.
Owner:ANHUI JIANGHUAI AUTOMOBILE GRP CORP LTD
Three-energy-segment gamma imaging system based on energy window modulation and system design method
PendingCN114757105AImprove the contrast of the energy responseRealize image diagnosisX-ray spectral distribution measurementDesign optimisation/simulationEnergy windowEngineering
The invention discloses a three-energy-segment gamma imaging system based on energy window modulation and a system design method, and the imaging system comprises a radiation source, a coding hole, a gamma imaging module I, a gamma imaging module II and a gamma imaging module III which are sequentially arranged in series. The computer control equipment is connected with the gamma imaging module I, the gamma imaging module II and the gamma imaging module III; geometric centers of array scintillators in the radiation source, the coding hole, the gamma imaging module I, the gamma imaging module II and the gamma imaging module III are all located on the axis of the ray channel; the invention further discloses a design method of the imaging system. By means of the imaging system, image diagnosis of the three-energy-band gamma rays in the fission source area can be achieved. Spatial distribution information of gamma rays of the fission source region with a multi-energy-spectrum structure can be obtained through single measurement of the imaging system, and the diagnosis efficiency of gamma images of the fission source region is improved.
Owner:XI AN JIAOTONG UNIV
Three-dimensional grid strain measurement method
ActiveCN102322813BSize limitLow costUsing optical meansPicture interpretationFull field strainGrid connection
The invention discloses a three-dimensional grid strain measurement method, which comprises the following steps of: step 1, grid preparation; step 2, sampling and shooting; step 3, picture orientation; step 4, grid node matching; step 5, grid node rebuilding; step 6, grid connection, step 7, grid optimization; and step 8, strain calculation. Through the operation steps, the method can be used for measuring the three-dimensional full field strain information in the metal plate material forming process, and the metal plate material forming performance and the advantages and disadvantages of the mold process design scheme can be evaluated, so the metal plate material forming quality is improved, the manufacture precision is improved, and the production cost is reduced. The three-dimensional grid strain measurement method has the characteristics that the measurement operation is convenient, the automation degree is high, the result is accurate and reliable, the measurement information is rich, the efficiency is high, and in addition, the non-contact measurement is realized.
Owner:新拓三维技术(深圳)有限公司
Method and device for single-sided feature detection of special-shaped guide rail based on laser line structured light
ActiveCN105091778BEasy accessRealize online non-contact measurementUsing optical meansMeasurement pointEngineering
The invention relates to a method and device for detecting single-sided features of a special-shaped guide rail based on laser line structured light, which belongs to the detection method and device for single-sided features of a special-shaped guide rail. It includes a base platform with a linear module, the servo motor drives the mobile platform to move on the linear module of the base platform, the workpiece to be measured is placed on the two positioning brackets on the mobile platform, and moves with the mobile platform; the laser line structure The optical displacement sensor is fixed on the sensor bracket, the laser line structured light plane is perpendicular to the horizontal plane, perpendicular to the measured workpiece, and its center normal forms an angle β with the horizontal plane. The invention uses a laser line structured light displacement sensor for measurement, realizes online non-contact measurement, and quickly obtains enough measurement points, improves measurement speed and accuracy; enriches measurement results, and can provide side straightness curves and side twist curves , Schematic diagram of the surface profile.
Owner:中机试验装备股份有限公司
Device and method for detecting corona effect of release film
PendingCN111596182AAvoid affecting the test resultsComprehensive measurement resultsTesting dielectric strengthEngineeringPrinting ink
The invention discloses a device and a method for detecting a corona effect of a release film. The device comprises a total detection device, a dyne pen detection machine, a printing ink detection machine and a control computer, wherein the dyne pen detection machine is fixedly arranged at one end in the total detection device; the printing ink detection machine is fixedly arranged at the other end in the total detection device; the control computer is fixedly mounted on one side of the exterior of the total detection device; a dyne pen detection device is movably mounted on one side of the first detection camera in the dyne pen detection machine; a printing ink brushing device is movably mounted at the top end in the printing ink detection machine; and a dyne pen is movably mounted in anembedded mounting shell, the other ends of two positioning rods are movably clamped in the two positioning grooves, a pressing rubber pipe is fixedly mounted at the bottom end of the interior of an adhesive outer shell, and two damping boxes are fixedly mounted on the outer wall of one side of the printing ink detection machine. The device has the advantages of automatic and rapid mechanical detection, shock absorption and buffering, and real and reliable detection results.
Owner:安徽仁智信纸塑材料有限公司
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