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33results about How to "Real-time display of measurement results" patented technology
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Carbon dioxide analyzer and analytical method thereof
InactiveCN101363796AEliminate the effects ofHigh precisionColor/spectral properties measurementsSpecial data processing applicationsGas chamberGas concentration
The invention discloses a carbon dioxide gas analyzer and an analysis method thereof. The optical probe of the analyzer adopts a spatial double-optical path structure which is composed of a single light source, a single gas chamber and double detectors. The analysis method comprises the following steps: firstly, the values of the voltage at the two ends of the main detector and the reference detector in the optical probe are measured when the light source is turned off , then the values of the voltage at the two ends of the main detector and the reference detector are measured when the light source is turned on and after the infrared light emitted from the light source passes through the gas chamber, after the treatment of error elimination, by using the Lambert-Beer's Law as the theoretical basis and by combining with the working mechanism of a spatial double-optical path optical structure, the measurement model of the analyzer is established and calibrated, therefore, the gas concentration of carbon dioxide can be directly calculated and output by the analyzer through the measurement value. The carbon dioxide gas analyzer has the advantages of small volume, light weight, low power consumption, high reliability and high measurement accuracy.
Owner:BEIHANG UNIV
Wide-angle camera shooting based discrete type canopy leaf area index detection system and method
InactiveCN104200457ASuppress noiseThe test result is accurateImage analysisPorosityImaging processing
The invention discloses a wide-angle camera shooting based discrete type canopy leaf area index detection system and method. The wide-angle camera shooting based discrete type canopy leaf area index detection system comprises a computer, a wide-angle camera which is connected with the computer and a lifting mechanism; the lifting mechanism comprises a vertical lifting rod and a horizontal sliding rod; the horizontal sliding rod is installed on the vertical lifting rod; the wide-angle camera which is installed on the horizontal sliding rod can move on the horizontal sliding rod. According to the wide-angle camera shooting based discrete type canopy leaf area index detection method, color figure canopy images are obtained through the wide-angle camera, grey level transformation, image intensification, filtering processing, binarization processing and porosity extraction are sequentially performed on the color figure canopy images, finally the canopy leaf area index is calculated according to the canopy porosity. The wide-angle camera shooting based discrete type canopy leaf area index detection method has the advantages of being suitable for leaf area index calculation of discrete type canopies which are uneven in distribution, accurate in detection result, reducing incoming noise influence to data during the image processing process and eliminating the leading interference of the image processing process.
Owner:SOUTH CHINA AGRI UNIV
Electric cleaning device of dirty belt of post insulator of DC converter station
InactiveCN101804408AHigh resistivityImprove cleaning efficiencyCleaning using toolsCleaning using liquidsTurning framesEngineering
The invention provides an electric cleaning device of a dirty belt of a post insulator of a DC converter station. The device consists of a base plate, an insulating frame, a pneumatic arm and the like. A whole system comprises three control loops such as a circuit, a gas circuit and a cleaning liquid loop. The device is electrified by a 220V AC power supply, can automatically walk, but needs to manually adjust the walk direction; and the insulating frame is divided into three grades, wherein a second-grade insulating frame and a third-grade insulating frame can be controlled to be automatically lifted up and down through an insulating rope to drive the pneumatic arm for cleaning to move up and down. The device is provided with a top rod, and the base plate at the lower part of the top rod compresses the ground, so that wheels on the base plate of the device are lifted without being contacted with the ground to prevent the base plate of the cleaning device from rolling front and back during working. In order to guarantee a cleaning mechanism to be capable of stably completing each cleaning action, four diagonal draw bars are arranged between the first-grade top part of the insulating frame and the base plate. The device has the characteristics of good safety performance, high automation degree and good cleaning effect.
Owner:STATE GRID ELECTRIC POWER RES INST +1
Instrument and method for fast detecting bicarbonate radical and carbonate radical in water through double-electrode method
ActiveCN105738438AQuick checkGuaranteed accuracyMaterial electrochemical variablesLoad circuitElectrical battery
The invention relates to an instrument and method for fast detecting a bicarbonate radical and a carbonate radical in water through a double-electrode method. The instrument is used for fast detecting the bicarbonate radical and the carbonate radical in underground water, surface water and seawater and comprises a microprocessor with a built-in intelligent temperature compensation and quantitative calculation software algorithm, a pH electrode, a carbon dioxide electrode, a signal conditioning unit, a temperature collecting unit, a human-computer interaction unit and a load power source management unit, wherein the load power source management unit is responsible for converting battery voltage into load circuit work voltage, the pH electrode and the carbon dioxide electrode are connected with input of the signal conditioning unit, output of the signal conditioning unit is connected with collection pins of the microprocessor, the temperature collecting unit is connected with collection pins of the microprocessor, and the human-computer interaction unit is connected with an I / O interface of the microprocessor and controls unit parameter setting and result displaying of the microprocessor to be completed. Low-power operation is achieved, power source support is not needed, and the problem that the bicarbonate radical and the carbonate radical in the water cannot be fast detected on a field site is solved.
Owner:CENT FOR HYDROGEOLOGY & ENVIRONMENTAL GEOLOGY CGS
Roll-cutting shear quality monitoring system and method based on laser and visual inspection
ActiveCN111176218ARealize traceabilityRealize monitoringShearing machinesNumerical controlMetallic materialsServo
The invention belongs to the technical field of metal material machining process control systems, and particularly relates to a roll-cutting shear quality monitoring system and method based on laser and visual inspection. The invention aims to improve the intelligent control level of the roll-cutting shear and improve the shearing quality of a medium plate. The system comprises a system monitoringupper computer, a system detection device, a system regulation and control execution device and a control system, a shear blade gap wedge-shaped adjusting mechanism is driven by a servo hydraulic cylinder, a servo valve is used for regulation and control, the adjustment of the shear blade gap is achieved, the shear blade gap wedge-shaped adjusting mechanism converts longitudinal linear motion ofthe hydraulic cylinder into horizontal transverse motion of a shear blade, the rigidity of the shear blade is guaranteed through a wedge-shaped block and a pressing mechanism, and the control over theshear blade gap of the roll-cutting shear is achieved.
Owner:TAIYUAN UNIV OF TECH
Instrument and method for measuring long-time-series field forest leaf area index (LAI)
ActiveCN104359428ARealize long-term field automatic observationSave human effortUsing optical meansSerial lineComputer module
The invention relates to an instrument and method for measuring leaf areas, and provides an instrument and method for measuring a long-time-series field forest leaf area index (LAI). The instrument and method are used for solving the problem that an existing leaf area measuring method can not effectively obtain long-time-series data. A vertical rotation steering engine is arranged on a rotary table of a horizontal rotation steering engine and horizontally rotates along with the horizontal rotation steering engine, and a digital light intensity sensor is arranged on the vertical rotation steering engine; a time control part comprises a time control switch, the output port of a single chip microcomputer is connected with the horizontal rotation steering engine, the vertical rotation steering engine, an SD card and a display screen, the output end of the digital light intensity sensor is connected with the SDA port of the single chip microcomputer through a serial line, the output end of a clock module is connected with the SCL port of the single chip microcomputer through a serial line, and the output end of a power supply part is connected with the single chip microcomputer of a measuring part through the time control switch. The instrument is simple in structure, reasonable in design, and suitable for measuring the long-time-series field forest LAI.
Owner:NORTHEAST FORESTRY UNIVERSITY
Ratio fringe counting method based on dual F-P interferometer and displacement sensor demodulating system of method
The invention provides a ratio fringe counting method based on a dual F-P (Fabry-Perot) interferometer and a displacement sensor demodulating system. Two interference optical intensity signals are divided directly; an obtained ratio generates positive and negative pulses during a cavity length changing process of an F-P cavity after direct current items are eliminated; the increase or decrease of the F-P cavity length is judged according to the positive and negative of the pulses; and a counter counts two times when an optical path difference is changed by a wavelength. The corresponding displacement sensor demodulating system comprises a laser device, an optical fiber isolator, a first optical fiber coupler, a second optical fiber coupler, a third optical fiber coupler, a sensing unit, photoelectric detectors, a pre-amplification unit, a DSP (Digital Signal Processing) module and a peripheral display unit. The method and the system have the following benefits that sensor type calibration, operation and orientation-judgment processes are removed; the complexity of a demodulating algorithm is reduced; the theory precision of the ratio fringe counting method is two times the precision of the general fringe counting method; and due to a congenital anti-interference capacity, the miniaturization of a measurement instrument is realized by the DSP module.
Owner:WUHAN UNIV OF TECH
Digital integrated circuit standard sample chip
ActiveCN106707213AHighly integratedImprove performanceElectrical measurementsMode controlComputer module
The invention discloses a digital integrated circuit standard sample chip. The digital integrated circuit standard sample chip comprises a signal conversion circuit, an analog-to-digital conversion circuit and an MCU which are connected with one another sequentially; the signal input end of the signal conversion circuit is connected with the voltage or current signal end of an integrated circuit test system; the input end of the MCU is connected with the output ends of the integrated circuit test system and a traceability module; the output end of the MCU is connected with the control input end of the signal conversion circuit; the input end of the traceability module is connected with the voltage or current signal end; and the MCU controls the operating mode and measurement mode type of the standard sample chip according to mode control signals inputted by the integrated circuit test system and is used measuring and calibrating voltage or current. The digital integrated circuit standard sample chip can be directly used for the on-line measurement and calibration of voltage-increase voltage measurement, voltage-increase current measurement, current-increase current measurement and current-increase voltage measurement of the integrated circuit test system and displaying measurement results in real time; and the digital integrated circuit standard sample chip has a traceability function and can ensure the accuracy of calibration results.
Owner:武汉数字工程研究所
Nuclear island water system sealing measurement device and method
ActiveCN112432744AReduce test preparation timeImprove test accuracyMeasurement of fluid loss/gain rateNuclear energy generationMeasurement deviceTested time
The invention discloses a nuclear island water system sealing measurement device and method. The measurement device comprises: a water tank which is provided with a liquid level sensor and a temperature sensor; a water filling pipeline, a pressurizing pipeline, an exhaust pipeline and a test connecting pipeline which are all connected with the water tank; a control module used for calculating a water leakage volume according to the water level change in the water tank, converting the water leakage volume into a gas leakage volume, correcting the gas leakage volume to a standard condition according to the temperature measured by the temperature sensor, and calculating the leakage amount of the valve to be measured; and a display screen used for displaying the test related parameters and thetest result. Compared with like devices and methods in the prior art, the device and the method of the invention have the advantages that a to-be-tested system does not need to be filled with water and drained repeatedly in the test period, so the test time is shortened, and the problem that the system function is affected by rust slag and the like due to the fact that a water system is not filled with water for a long time can be prevented; and moreover, the device and the method have the advantages of high test precision, reliable data result, simple equipment operation, small size, portability, real-time display of measurement results and the like.
Owner:中广核工程有限公司 +2
Fully automatic flaw detection device
PendingCN107907699AShorten detection timeImprove detection efficiencyMaterial analysisManipulatorLight source
The invention relates to the field of panel detection, in particular to a fully automatic flaw detection device. The fully automatic flaw detection device comprises a conveying mechanism, a detectionmechanism and a general control system, wherein the conveying mechanism comprises a product backflow module, a roller shaft conveying module and a carrying mechanism; the product backflow module is arranged at one side of the roller shaft conveying module in parallel; a guide roller is arranged on a roller shaft of the roller shaft conveying module; the carrying mechanism comprises a feeding mechanical hand and a discharging mechanical hand; the feeding mechanical hand and the discharging mechanical hand are respectively positioned at the two ends of the roller shaft conveying module; the detection mechanism comprises a line scanning camera module and a line light source module; the detection mechanism is positioned above the roller shaft conveying module; the general control system is respectively connected with the conveying mechanism and the detection mechanism through a circuit; the general control system controls the conveying mechanism and the detection mechanism. The fully automatic flaw detection device solves the problem of low efficiency of a mobile phone glass panel flaw detection structure in the prior art.
Owner:南京鑫业诚机器人科技有限公司
Dual-wavelength LD self-mixing vibration measuring instrument with adjustable resolution, and measurement method thereof
ActiveCN108775954AAdjustable resolutionExtend working lifeSubsonic/sonic/ultrasonic wave measurementUsing wave/particle radiation meansOptical pathImage resolution
The invention provides a dual-wavelength LD self-mixing vibration measuring instrument with adjustable resolution, and the measuring instrument comprises a dual-wavelength LD for emitting laser, an optical path adjustment device, a light density filter, a to-be-detected target, a drive power supply in electrical connection with the dual-wavelength LD, a signal processing device and a data collection and analysis device, wherein the optical path adjustment device, the light density filter and the to-be-detected target are sequentially set along a transmitting optical path, and the signal processing device and the data collection and analysis device are sequentially in communication connection with the dual-wavelength LD. The invention also provides a measurement method of the measuring instrument, and the laser with the dual wavelengths outputted by the dual-wavelength LD passes through the optical path adjustment device and the light density filter to reach the to-be-detected target. The laser is reflected by the to-be-detected target and then returns to the respective resonant tube cavities to perform the self-mixing interference with the light in the resonant tube cavities. A computer carries out the analysis processing of the self-mixing signal transmitted through communication via an even equivalent wavelength Fourier transform algorithm, thereby achieving the adjustable-resolution target vibration measurement.
Owner:LINGNAN NORMAL UNIV
Air volume measuring device
PendingCN108645459AImprove fitnessEasy to operateVolume/mass flow by differential pressureElectricityAir volume
An air volume measuring device includes a measuring body and an intelligent display instrument. The air volume measuring device also comprises a flow totalizer. The measuring body is electrically connected with the flow totalizer, and the flow totalizer is electrically connected with the intelligent display instrument. Measurement results can be displayed in real time, and the adaptability to windpressure and air volume is high. By forming a plurality of total pressure holes and detection holes, measurement accuracy and measurement efficiency can be improved.
Owner:GUANDONG YIAN CITY CIVIL AIR DEFENSE ENG CO LTD
Coal mine underground drilling wireless tracking and hole depth measurement device and method
ActiveCN104088625BSimultaneous measurement in real timeNo change in structureSurveyMeasurement deviceEngineering
The invention discloses a wireless while-drilling track and hole depth measuring device for underground coal mine drilling. , a drilling rig, a probe arranged in the second non-magnetic drill pipe, a first stress wave signal transmitter and a first stress wave signal receiver, and the on-site host is connected to the first stress wave signal transmitter and the first stress wave signal receiver; The probe includes a probe housing, a second stress wave signal transmitter arranged in the probe housing, a driving module for the second stress wave signal transmitter, a second stress wave signal receiver, a second stress wave signal processing module, a single-chip microcomputer and a three-dimensional compass , the first stress wave signal transmitter communicates wirelessly with the second stress wave signal receiver, and the first stress wave signal receiver communicates wirelessly with the second stress wave signal transmitter. The invention can measure the drilling direction, inclination and hole depth while drilling during the drilling process.
Owner:WUHAN CONOURISH COALMINE SAFETY TECH
Speech recognition-based multifunctional wireless measurement engineering equipment
InactiveCN103471652AComprehensive measurement dataReal-time display of measurement resultsMeasurement devicesSpeech recognitionControl engineeringComputer terminal
The invention discloses speech recognition-based multifunctional wireless measurement engineering equipment, comprising an engineering car and a voice remote terminal, wherein the engineering car and the voice remote terminal are in radio communication; on one hand, the engineering car collects surrounding environment parameters and transmits to the surrounding environment parameters to the voice remote terminal by wireless communication when working, and the voice remote terminal displays the collected information; on the other hand, the voice remote terminal identifies a speech instruction emitted by a worker, and transmits the identified instruction to the engineering car by wireless communication, and the engineering car works according to the received instruction. By adopting the speech recognition-based multifunctional wireless measurement engineering equipment, the car can be controlled through speech to carry out wireless remote collection of data and display the collected data in real time. Therefore, the speech recognition-based multifunctional wireless measurement engineering equipment is simple to operate and low in cost.
Owner:NANJING UNIV OF POSTS & TELECOMM
Magnetic steel magnetic field automatic detection device
InactiveCN108896937AImprove integrityReal-time display of measurement resultsMagnetic measurementsField intensityUltimate tensile strength
The magnetic steel is one of the commonly used components in a steel pipeline corrosion defect and deformation magnetic flux leakage detection magnetizing system, and the space magnetic field distribution is important for magnetizing effect and magnetic flux leakage detection precision. A novel automatic measuring device is designed for measuring the space magnetic field of the cylindrical magnetic steel, the detection device consists of a measuring table, a lifting table, a mounting base, eight linear feeding mechanisms used for adjusting the measuring positions of the magnetic field sensor are evenly arranged on the magnetic steel magnetic field measuring table, the mechanism includes a stepping motor, a lead screw sliding block, a guide light bar, a magnetic field sensor propelling rod,and magnetic field intensity distribution measurement of different positions of the same section of the magnetic steel is realized; the vertical lifting mechanism of the magnetic steel is composed ofa servo air cylinder, a lifting rod, a connecting rod and a sliding block, and through the combination with the linear feeding mechanism of the measurement position of the magnetic field sensor, themagnetic field intensity of different sections in the height direction of the magnetic steel can be measured, and therefore the drawing of the magnetic field intensity distribution of the space aroundthe magnetic steel is realized.
Owner:TIANJIN POLYTECHNIC UNIV
Universal current measurement device for high-voltage DC withstand voltage test
PendingCN107037257AEasy to testProtect personal safetyTesting dielectric strengthTransmission systemsMeasurement deviceElectrical battery
A universal current measurement device for high-voltage DC withstand voltage test belongs to the technical field of direct current measurement, and especially relates to a universal current measurement device for high-voltage DC withstand voltage test. The invention provides a universal current measurement device for high-voltage DC withstand voltage test which is of high safety and convenient to use. The device comprises a wireless measurement terminal and handheld equipment. The device is characterized in that the handheld equipment includes a housing (3); buttons (4), a liquid crystal display (5) and a charging interface (13) are arranged on the housing (3); a handheld equipment battery (6), a handheld equipment antenna (7), a liquid crystal display interface (8), a handheld equipment MCU (9), a storage circuit (10), a handheld equipment wireless communication module (11) and a real-time clock circuit (12) are arranged inside the housing (3); the MCU (9) is connected with the storage circuit (10), the handheld equipment wireless communication module (11), the real-time clock circuit (12) and the buttons (4); and the MCU (9) is connected with the liquid crystal display (5) through the liquid crystal display interface (8).
Owner:STATE GRID LIAONING ELECTRIC POWER CO LTD SHENYANG POWER +1
Electronic module wedge-shaped packaging slot locking force measuring system
ActiveCN111337173AStrong nonlinear response characteristicsAvoid Stress TestsApparatus for force/torque/work measurementEngineeringLinear array
The invention discloses an electronic module wedge-shaped packaging slot locking force measuring system, and aims to provide a measuring system capable of measuring the locking force of a two-degree-of-freedom wedge-shaped locking strip. The method is realized through the following technical scheme: a rectangular short base and a rectangular long base which are in vertical lap joint with each other are adopted in the test module; the end face of the formed L-shaped vertical body is provided with positioning bolts which are arranged in a linear array and linear array grooves which are perpendicular to each other and are provided with pressure sensors on the inner sides; each pressure sensor is connected with a data acquisition instrument through a wire hole in the back end of the linear array groove, and the positioning bolts are combined with the pressure sensors and inserted into check blocks below the low-heat-conduction locking strips and the high-heat-conduction locking strips to adjust the test distance; the test module uploads a measurement result to the upper computer in real time through the pressure sensor, carries out dynamic test on the locking force of the wedge-shapedlocking strip, and transmits and displays the measurement result in real time.
Owner:10TH RES INST OF CETC
Carbon dioxide gas analyzer and analysis method thereof
InactiveCN100590418CEliminate the effects ofHigh precisionColor/spectral properties measurementsSpecial data processing applicationsGas chamberGas concentration
The invention discloses a carbon dioxide gas analyzer and an analysis method thereof. The optical probe of the analyzer adopts a spatial double-optical path structure which is composed of a single light source, a single gas chamber and double detectors. The analysis method comprises the following steps: firstly, the values of the voltage at the two ends of the main detector and the reference detector in the optical probe are measured when the light source is turned off , then the values of the voltage at the two ends of the main detector and the reference detector are measured when the light source is turned on and after the infrared light emitted from the light source passes through the gas chamber, after the treatment of error elimination, by using the Lambert-Beer's Law as the theoretical basis and by combining with the working mechanism of a spatial double-optical path optical structure, the measurement model of the analyzer is established and calibrated, therefore, the gas concentration of carbon dioxide can be directly calculated and output by the analyzer through the measurement value. The carbon dioxide gas analyzer has the advantages of small volume, light weight, low power consumption, high reliability and high measurement accuracy.
Owner:BEIHANG UNIV
Ratio fringe counting method and displacement sensor demodulation system based on double f-p interferometer
ActiveCN103335600BReduce complexityLarge measuring rangeUsing optical meansDigital signal processingPhotovoltaic detectors
The invention provides a ratio fringe counting method based on a dual F-P (Fabry-Perot) interferometer and a displacement sensor demodulating system. Two interference optical intensity signals are divided directly; an obtained ratio generates positive and negative pulses during a cavity length changing process of an F-P cavity after direct current items are eliminated; the increase or decrease of the F-P cavity length is judged according to the positive and negative of the pulses; and a counter counts two times when an optical path difference is changed by a wavelength. The corresponding displacement sensor demodulating system comprises a laser device, an optical fiber isolator, a first optical fiber coupler, a second optical fiber coupler, a third optical fiber coupler, a sensing unit, photoelectric detectors, a pre-amplification unit, a DSP (Digital Signal Processing) module and a peripheral display unit. The method and the system have the following benefits that sensor type calibration, operation and orientation-judgment processes are removed; the complexity of a demodulating algorithm is reduced; the theory precision of the ratio fringe counting method is two times the precision of the general fringe counting method; and due to a congenital anti-interference capacity, the miniaturization of a measurement instrument is realized by the DSP module.
Owner:WUHAN UNIV OF TECH
A fiber optic three-dimensional array accelerator ray field analyzer
ActiveCN107505646BSimple structureLightweightX/gamma/cosmic radiation measurmentOptical fiber cableSurface plate
An optical fiber three dimensional array type accelerator ray field analyzer provided by the present invention comprises a reception device and a detection and acquisition device, the detection and acquisition device comprises an optical fiber positioning plate, an imaging system and an image sensor, and the reception device comprises a container and at least two layers of panels which are arranged inside the container. Optical fibers are arranged on each layer of panels symmetrically, the end part of each optical fiber penetrates a hole arranged on the optical fiber positioning plate and is fixed by a clamp, the end faces of the optical fibers are imaged on the image sensor via the imaging system, and the image sensor is connected with a computer. The optical fiber three dimensional array type accelerator ray field analyzer prepared by the present invention is simple in structure and light and handy in size, is convenient to operate, and can display the measurement results real-timely at work.
Owner:HARBIN ENG UNIV
A quality monitoring system and method for rolling shears based on laser and vision detection
ActiveCN111176218BRealize traceabilityRealize monitoringShearing machinesNumerical controlMetallic materialsStructural engineering
Owner:TAIYUAN UNIV OF TECH
A Long Time Sequence Field Forest Leaf Area Index Measuring Instrument and Its Measurement Method
ActiveCN104359428BRealize long-term field automatic observationSave human effortUsing optical meansSerial lineMeasuring instrument
Owner:NORTHEAST FORESTRY UNIVERSITY
A digital integrated circuit standard sample
ActiveCN106707213BHighly integratedImprove performanceElectrical measurementsMode controlComputer module
Owner:武汉数字工程研究所
Laser self-mixing interference type infantile child pupil light reflex meter
The invention discloses a laser self-mixing interference type infantile child pupil light reflex meter which comprises a left eye image sensor, a right eye image sensor, a data acquisition card and eyeballs, the left eye image sensor comprises a semiconductor laser, the right eye image sensor is installed at the left end of a glasses support, and the left eye image sensor is installed at the right end of the glasses support. The right eye image sensor and the left eye image sensor are symmetrically distributed about the center of the glasses support, the data acquisition card is installed on the glasses support, the data acquisition card is connected with the computer, and the semiconductor laser is sequentially provided with light spot size regulators along the light path of the semiconductor laser. According to the laser self-mixing interference-based autistic child pupil light reflectometer, a brand-new laser self-mixing interference-based pupil image sensor is constructed, and a laser self-mixing interference-based pupil image sensing processing method is combined, so that a novel laser self-mixing interference-based autistic child pupil light reflectometer is designed; the laser self-mixing interference type infantile child pupil light reflex meter is used for pupil light reflex measurement of autistic children.
Owner:LINGNAN NORMAL UNIV
A kind of double-electrode method realizes the rapid detection instrument and method of bicarbonate and carbonate in water
ActiveCN105738438BQuick checkGuaranteed accuracyMaterial electrochemical variablesLoad circuitElectrical battery
The invention relates to an instrument and method for fast detecting a bicarbonate radical and a carbonate radical in water through a double-electrode method. The instrument is used for fast detecting the bicarbonate radical and the carbonate radical in underground water, surface water and seawater and comprises a microprocessor with a built-in intelligent temperature compensation and quantitative calculation software algorithm, a pH electrode, a carbon dioxide electrode, a signal conditioning unit, a temperature collecting unit, a human-computer interaction unit and a load power source management unit, wherein the load power source management unit is responsible for converting battery voltage into load circuit work voltage, the pH electrode and the carbon dioxide electrode are connected with input of the signal conditioning unit, output of the signal conditioning unit is connected with collection pins of the microprocessor, the temperature collecting unit is connected with collection pins of the microprocessor, and the human-computer interaction unit is connected with an I / O interface of the microprocessor and controls unit parameter setting and result displaying of the microprocessor to be completed. Low-power operation is achieved, power source support is not needed, and the problem that the bicarbonate radical and the carbonate radical in the water cannot be fast detected on a field site is solved.
Owner:CENT FOR HYDROGEOLOGY & ENVIRONMENTAL GEOLOGY CGS
Electronic Module Wedge Package Socket Locking Force Measurement System
ActiveCN111337173BStrong nonlinear response characteristicsAvoid testingApparatus for force/torque/work measurementData acquisitionEngineering
The invention discloses a measuring system for the locking force of a wedge-shaped packaging slot of an electronic module, which aims to provide a measuring system capable of measuring the locking force of a two-degree-of-freedom wedge-shaped locking bar. The present invention is realized through the following technical scheme: adopt the test module of the short base and the long base of the rectangular body which are vertically overlapped with each other, set the positioning bolts arranged in a line array and the interlocking bolts on the end surface of the formed L-shaped vertical body Assemble the linear array groove of the pressure sensor on the inner side of the vertical surface. Each pressure sensor is connected to the data acquisition instrument through the wire hole at the back end of the linear array groove. The positioning bolt is combined with the pressure sensor and inserted into the low thermal conductivity locking strip, under the high thermal conductivity locking strip The stopper adjusts the test distance; the test module uploads the measurement results to the host computer in real time through the pressure sensor, dynamically tests the locking force of the wedge-shaped locking bar, and transmits and displays the measurement results in real time.
Owner:10TH RES INST OF CETC
Modularized intelligent hanger device
PendingCN110108324AMeet industry inspection requirementsDisplay faults in real timeMeasurement devicesApparatus for overhead lines/cablesWorking environmentModularity
The invention discloses a modularized intelligent hanger device which comprises a head hanger and a body hanger connected with the head hanger through a data transmission line, wherein the body hangeris arranged on a body part and is provided with a controller; the head hanger is arranged outside a safety helmet; the head hanger is provided with AR glasses and detection instruments for meeting different working environment requirements; and the detection instruments are used for detecting power equipment, transmitting detection data to the controller through the data transmission line for real-time processing, and displaying a data processing result in real time through the AR glasses. The modularized intelligent hanger device is provided witha flexible interface, so that the AR glasses anda thermal imaging sensor, an electrified sensor, a gas sensor, a laser indicator, a distance meter and the like which are required by inspection can be hung and connected, and the inspection requirements of most industries are met; and the controller can process the measured data in real time, equipment faults and measurement results can be displayed in real time, and more intelligent functionsare realized.
Owner:STATE GRID JIANGXI ELECTRIC POWER CO LTD RES INST +2
Three-dimension measuring apparatus and method for space magnetic field of minitype permanent-magnet
InactiveCN100588983CImprove integrityReal-time display of measurement resultsMagnetic property measurementsMagnitude/direction of magnetic fieldsMagnetic measurementsThree dimensional measurement
This invention relates to one small magnetic space three dimensional measurement device and its method, which can solve the problem of current magnetic measurement for small magnetic measurement onlyfor column permanent magnetic part without one complete permanent space distribution, wherein, this invention other end of first measurement arm is fixed with one first Hall sensor and the second linesupply structure and third line supply structure to form first line supply structure.
Owner:HARBIN INST OF TECH
Device and method for measuring mechanical seal ring friction
ActiveCN106813818BImprove reliabilityComprehensive measurementApparatus for force/torque/work measurementMeasurement deviceControl system
Owner:DALIAN UNIV OF TECH
A dual-wavelength ld self-mixing vibration measuring instrument with adjustable resolution and its measuring method
ActiveCN108775954BExtend working lifeLow costSubsonic/sonic/ultrasonic wave measurementUsing wave/particle radiation meansInterference (communication)Measuring instrument
The invention provides a dual-wavelength LD self-mixing vibration measuring instrument with adjustable resolution, and the measuring instrument comprises a dual-wavelength LD for emitting laser, an optical path adjustment device, a light density filter, a to-be-detected target, a drive power supply in electrical connection with the dual-wavelength LD, a signal processing device and a data collection and analysis device, wherein the optical path adjustment device, the light density filter and the to-be-detected target are sequentially set along a transmitting optical path, and the signal processing device and the data collection and analysis device are sequentially in communication connection with the dual-wavelength LD. The invention also provides a measurement method of the measuring instrument, and the laser with the dual wavelengths outputted by the dual-wavelength LD passes through the optical path adjustment device and the light density filter to reach the to-be-detected target. The laser is reflected by the to-be-detected target and then returns to the respective resonant tube cavities to perform the self-mixing interference with the light in the resonant tube cavities. A computer carries out the analysis processing of the self-mixing signal transmitted through communication via an even equivalent wavelength Fourier transform algorithm, thereby achieving the adjustable-resolution target vibration measurement.
Owner:LINGNAN NORMAL UNIV
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