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329results about How to "Improve measurement efficiency" patented technology

Method and device for measuring pitch deviation based on line laser sensor

The invention relates to a method and device for measuring pitch deviation based on a line laser sensor, and the method comprises the following steps: S1, calibrating the position of the line laser sensor, and obtaining the coordinate value of a coordinate system of the line laser sensor in a measurement coordinate system; s2, installing a tested gear; s3, adjusting the relative position of the line laser sensor and the measured gear; selecting a measured position in the tooth surface area of the gear teeth of the measured gear, adjusting the position of the line laser sensor, and recording the sum of the offset of the adjusted line laser sensor relative to the center of the measured gear along the x axis and the y axis in the effective measurement range of the line laser sensor at the measured position; s4, performing zero returning operation on the angle sensor of the rotating shaft of the tested gear; and S5, controlling the detected gear to rotate along the center line of the detected gear. According to the method and the device, the pitch deviation can be measured in a non-contact mode, excessive calibration and leveling are not needed before detection, and the measurement efficiency and the measurement precision are both improved.
Owner:HENAN UNIV OF SCI & TECH

Electron energy spectrometer, electron energy spectrum measuring method and electron energy spectrum measuring system

PendingCN121978740AOvercoming signal pile-up problemsOvercome inherent inefficienciesX-ray spectral distribution measurementLight spotElectron spectroscopy
The invention relates to the technical field of electron energy measurement, and discloses an electron spectrometer and an electron energy spectrum measurement method and system.The electron spectrometer comprises a magnetic deflection unit used for receiving an incident to-be-measured electron beam, generating a magnetic field and applying the magnetic field to all to-be-measured electrons in the to-be-measured electron beam; the scintillator fluorescent screen is arranged at the downstream of the magnetic deflection unit and used for receiving the deflected electrons to be detected, and the electrons bombard the scintillator fluorescent screen and generate light spots; the optical acquisition unit is used for acquiring a light spot image on the scintillator fluorescent screen; and the signal processing unit is used for processing the light spot image so as to identify the spatial position information of the light spot in the light spot image and convert the spatial position information into electronic energy data. The method has the beneficial effects that the unification of high resolution and high measurement efficiency is realized, and the problem of signal accumulation under a high counting rate of a traditional direct measurement method and the inherent defect of low efficiency of a scanning type magnetic spectrometer are overcome.
Owner:SHENZHEN TECH UNIV

Full-automatic steam quality detector

The utility model relates to the technical field of steam quality detection, in particular to a full-automatic steam quality detector, which comprises a flow limiting device, a detector and a controller, the heating device is connected with the flow limiting device and used for heating the throttled steam to superheated steam; the heat exchange device is connected with the heating device and used for condensing the steam; the non-condensable gas measuring device is connected with the heat exchange device and is used for collecting non-condensable gas; the flow limiting device, the heating device, the heat exchange device and the non-condensable gas measuring device are all connected with the controller. According to the steam quality detection device, the steam quality detection structure is simplified.
Owner:SHINVA MEDICAL INSTR CO LTD

Kiwi storage days prediction system based on perception gloves

The application discloses a kiwi storage day prediction system based on a sensing glove, which comprises a portable sensing glove, realizes measurement of kiwi volume, weight, hardness and environmental temperature and humidity information, and further trains a data set collected by the sensing glove through a CNN network, constructs a kiwi storage day prediction model, and realizes prediction of the kiwi storage day. The application combines the portable sensing glove and the kiwi storage day prediction model to form the kiwi storage day prediction system, designs a man-machine interaction interface and an operating system, realizes visualization of system information through the man-machine interaction interface, guarantees more convenient man-machine interaction, realizes the kiwi storage day prediction process based on the kiwi storage day prediction model, realizes prediction of the kiwi storage day, guarantees customer satisfaction and reduces kiwi waste of a merchant.
Owner:ZHENGZHOU UNIV +1

A chuck for measuring the coating thickness of solar cells or wafers.

PendingCN122129997AActively avoid adsorption hole locationsImprove measurement efficiencyUsing optical meansWaferElectrical battery
This invention provides a coating thickness measurement platform for chucks used in battery cells or wafers, which can actively avoid the suction hole positions of the chuck, thereby improving measurement efficiency and accuracy. It includes: a mounting base, including a worktable; a lifting platform; a three-dimensional drive module, including an X-axis drive module, a Y-axis drive module, and a Z-axis drive module; a film thickness measurement device, including a back plate, an incident light path assembly, and a reflected light path assembly, wherein the incident light path assembly and the reflected light path assembly are symmetrically arranged on both sides of the back plate about the central facade, and the thickness measurement points of the incident light path assembly and the reflected light path assembly are located below the film thickness measurement device; and an observation camera.
Owner:SHANGHAI ELECTRIC INT (SUZHOU) CO LTD

Non-contact online measuring device and method for excavator structural member

PendingCN121953813AMeet safety standardsImplement proactive security protectionUsing optical meansPoint cloudDual Scan
The invention provides a non-contact on-line measuring device and method for excavator structural members, a double-scanning system cooperation mode is adopted, a tracker and a ball cage scanner are respectively used on two sides of a detection device, the ball cage scanners are installed on a cooperative robot to execute automatic scanning actions, and meanwhile, the robot is driven by the robot to move. The tracker and the robot are both installed on the linear guide rail, displacement operation can be carried out, the scanning and collecting range of the system is expanded, and therefore full scanning work of the large structural part is completed. The two scanning systems scan and collect the structural member from the left side and the right side at the same time, then data are spliced together, a three-dimensional point cloud model of the structural member is obtained, size information is analyzed and extracted, a detection report is generated, communication with a workshop data management system is carried out, and measurement data are integrated and applied.
Owner:XCMG EXCAVATOR MACHINERY CO LTD

Ultrasonic rolling device for metal parts

The application relates to the field of metal part processing devices, in particular to an ultrasonic rolling device for metal parts. The device comprises a connecting plate, a rotating seat is arranged at the upper end of the connecting plate, an electric telescopic rod is fixed at one side of the lower end of the connecting plate, an ultrasonic roller is fixed at the other side of the lower end of the connecting plate, a fixed plate is fixed on the telescopic rod of the electric telescopic rod, a plurality of inclined movable rods are hingedly connected to the lower end of the fixed plate, the plurality of inclined movable rods are arranged according to the circumferential distribution of the axis of the fixed plate, and two adjacent movable rods are connected through a distance measuring assembly. The distance measuring assembly is used for measuring the distance between the two movable rods connected thereto. When the levelness of the workpiece is measured, the plurality of movable rods are controlled to descend simultaneously through the electric telescopic rod, the lower ends of the plurality of movable rods are in contact with the upper end of the workpiece, the distance between the movable rods is measured through the distance measuring assembly, whether the workpiece is vertical is determined according to the measured data, and therefore the efficiency of measuring the levelness of the workpiece is high.
Owner:이너 몽골리아 일렉트릭 파워 그룹 컴퍼니 리미티드 이너 몽골리아 일렉트릭 파워 리서치 인스티튜트 브랜치

Device for measuring hardness of in-situ drilled rock based on high-pressure water pressure head

ActiveCN224137022UUnderstand the testing processAvoid the influence of natureMaterial strength using tensile/compressive forcesInvestigating material hardnessMeasurement costData acquisition
A device for measuring in-situ drilling rock hardness based on a high-pressure water pressure head comprises a hydraulic power system, a data acquisition system, a test probe and a push rod, the front end of the push rod is connected with the rear end of the test probe; the hydraulic power system comprises a manual hydraulic plunger pump; the manual hydraulic plunger pump is connected with the test probe through a reversing three-way valve; the data acquisition system comprises a data recorder, a displacement sensor and a pressure sensor, the displacement sensor and the pressure sensor are arranged on the manual hydraulic plunger pump, and the displacement sensor and the pressure sensor are connected with the data recorder through a signal receiver. The device is simple in structure, convenient to operate and capable of measuring the rock strength of different drill holes, different depths and different point positions so as to obtain the distribution condition of the roadway rock strength, the measuring result is close to the on-site rock mass, a water medium is used for pressure transmission, the measuring process is simple, convenient, environment-friendly and safe, errors in the processes of sampling, processing and the like are avoided, and the working efficiency is improved. And the measurement cost is reduced.
Owner:ZHENGZHOU INSTITUTE OF ADVANCED STUDIES HENAN UNIVERSITY OF TECHNOLOGY +1

SF6 density relay comprehensive calibration instrument and calibration and measurement method

The application discloses a kind of SF6 density relay comprehensive calibration instrument and calibration and measurement method, including intermediate pipeline and be located on the air pump of intermediate pipeline, the one end of the intermediate pipeline is respectively communicated with the one end of safety valve pipeline, first pipeline one end, second pipeline one end, the other end of intermediate pipeline is respectively communicated with the one end of micro water measuring pipeline and third pipeline one end, the other end of the micro water measuring pipeline is respectively communicated with the one end of inlet pipeline and purity measuring pipeline, the other end of third pipeline is respectively communicated with the other end of first pipeline and fourth pipeline one end, the other end of the fourth pipeline is respectively communicated with the other end of purity measuring pipeline, the other end of second pipeline and muffler pipeline, intermediate pipeline side is equipped with suction pipeline;The application has adopted new pneumatic circuit design, combines density relay system calibration circuit with moisture measurement circuit and purity measurement circuit together, with the characteristics such as high measurement efficiency, convenient, its loop structure is simplified, and measurement is efficient.
Owner:CHINA YANGTZE POWER +1

A concrete static compression elastic modulus clamp for measuring bidirectional displacement in real time

This utility model relates to the field of civil engineering material performance testing technology, specifically to a real-time concrete static compressive elastic modulus clamp for measuring bidirectional displacement. It includes a concrete specimen fixing device and a displacement measuring device. The fixing device consists of an upper fixing ring, a lower fixing ring, and three positioning guide rods, which are connected in parallel via the upper and lower fixing rings and positioning guide rods. The displacement measuring device includes a vertical displacement measuring component and a horizontal displacement measuring component. The vertical displacement measuring component is a traditional vertical displacement measuring component, while the horizontal displacement measuring component consists of a head steel nut, a semi-threaded rod, a connecting arm, a fully threaded rod, a small steel cylinder, a washer, a clamp, and a tail steel nut. The clamp is hinged to the connecting arm via a universal joint. This utility model can simultaneously and in real-time collect vertical and horizontal displacement information of the concrete specimen under compression, and directly calculate the elastic modulus and Poisson's ratio for each loading stage in a single experiment, significantly improving testing efficiency and data timeliness.
Owner:GUILIN UNIVERSITY OF TECHNOLOGY

Multifunctional roundness measuring instrument for mute ball bearing

PendingCN121946423ARealize automatic clamping and positioningImprove positioning efficiencyMeasurement devicesWork benchesBall bearingOptical axis
The invention provides a multifunctional roundness measuring instrument for a mute ball bearing, which relates to the field of measuring instruments, and comprises a workbench, and a rotating support is rotatably connected to the left side of the top end face of the workbench; the transmission chuck is rotationally connected to the upper side of the inner end of the rotary support. The two driving auxiliary frames are arranged on the outer side of the rotating support in a left-right alignment and sliding mode. The positioning auxiliary mechanism is arranged between the driving auxiliary frame and the transmission chuck; the movable optical shaft is slidably connected to the right side of the top end face of the workbench. The movable bracket is arranged outside the movable optical axis in a vertical sliding manner; the fine adjustment bracket is hinged to the outer side of the lower end of the movable bracket; the protection auxiliary mechanism is arranged between the fine adjustment support and the sliding support, automatic clamping and positioning of the bearing are achieved, the frequency and workload of repeated labor of operators are relieved, and the positioning efficiency and the measuring efficiency of the bearing are improved; the problems that the repeated labor frequency and workload of operators are increased, and the positioning efficiency and the measuring efficiency of the bearing are affected are solved.
Owner:SHANDONG YONGHUI PRECISION BEARING CO LTD

A measuring tool for detecting the amount of bounce of the outer circle of a UF outer planet wheel relative to the inner arc of the ball track.

This utility model provides a measuring tool for detecting the runout of the outer circle of a UF outer star wheel relative to the inner arc track. It includes a base plate and a rotating structure, a clamping and fixing structure, and a measuring structure mounted on the base plate. The rotating structure includes a bearing seat and a rotating shaft. The bearing seat is fixed to the base plate and contains a bearing. The rotating shaft is located in the bearing and rotates relative to the bearing seat. The clamping and fixing structure includes an outer cylinder and a pull bolt. An inner cylinder is located at the top of the outer cylinder, and a reference ring is fitted around the top of the inner cylinder. Multiple rectangular grooves are spaced circumferentially on the top of the reference ring, and steel balls are movably placed in these grooves. The pull bolt includes a top clamping part and a bottom connecting part. The clamping part is in the shape of an inverted frustum, and its outer wall abuts against the steel ball. The connecting part connects to a drive assembly, which drives the pull bolt to move up and down. The measuring structure includes a dial indicator, which is fixed to the upper end of a vertical rod via a cantilever. The vertical rod is located on one side of the bearing seat.
Owner:SHANGHAI CHANGRUI AUTO PARTS

An electrical ignition resistance measurement using electrical fixture mounting tray and system

ActiveCN117663926BEasy to fixMeet the requirements for resistance measurementAmmunition fuzesElectrical resistance and conductanceElectric ignition
The application provides a fixed installation tray and system for electric resistance measurement of an electric igniter, a plurality of parallelly arranged electric igniter installation slots are arranged in the tray body, a plurality of parallelly arranged wire installation slots are arranged in the tray body, and two wire installation slots are arranged corresponding to each electric igniter installation slot; an electric igniter fixing device is arranged in each electric igniter installation slot, and a wire fixing device is arranged in each wire installation slot. The fixed installation tray has a reasonable overall structure, can conveniently and stably fix the electric igniter to be detected, and can clamp and fix the wire of the electric igniter to be detected, so as to meet the requirement of electric resistance measurement of the electric igniter to be detected. The realization of automatic operation and measurement of the electric resistance of the electric igniter to be detected is facilitated, the accident rate is reduced, and the possibility of personal injury of workers is reduced.
Owner:XIAN MODERN CHEM RES INST

Brillouin sensing device based on optical parallel differential pulse pairs and working method

ActiveCN122429861BReduce processing linksImprove measurement efficiency
The application discloses a Brillouin sensing device based on optical parallel differential pulse pairs and a working method, and belongs to the technical field of optical fiber sensing. In view of the problem that the prior art is difficult to consider high resolution, high precision and fast measurement, the device used by the application comprises: an optical source module, which is used to generate an optical carrier; a first optical path module, which is connected with the optical source module and is used to receive the optical carrier and generate optical parallel differential pulse pairs containing anti-Stokes and Stokes components and having different pulse lengths as pump light through double-frequency double-sideband pulse modulation; a second optical path module, which is connected with the optical source module and is used to generate double-sideband probe light; and a sensing optical fiber, which is connected with the first and second optical path modules respectively and is used to receive the pump light and the probe light and directly complete signal differentiation in the optical domain through stimulated Brillouin scattering. Thus, high resolution, high precision and fast measurement are synergistically optimized, the gain / loss mechanism can be flexibly switched, and the scene adaptability is enhanced.
Owner:SHANDONG UNIV

Device for detecting inner diameter and outer diameter of compressor bearing

ActiveCN224262453UQuickly obtain internal and external diameter dataeasy to useUsing optical meansLaser rangingClassical mechanics
The utility model discloses a compressor bearing inner and outer diameter detection device, and relates to the compressor bearing detection technology field, the device comprises a pedestal, the upper end of the pedestal is vertically provided with a box body, the upper end of one side wall of the box body is horizontally provided with a top plate, and the side wall of the box body where the top plate is located is vertically provided with a chute. A sliding groove is formed in the box body, an I-shaped sliding block is slidably connected to the inner wall of the sliding groove, a fixing column is horizontally installed on the side wall, away from the box body, of the I-shaped sliding block, a driving mechanism is arranged in the box body, and a measuring mechanism is arranged on the driving mechanism and the box body. The compressor bearing is clamped and fixed through the fixing column and the top plate, at the moment, the second laser range finder can measure the thickness of the compressor bearing, the first laser range finder can measure the height of the lower end of the compressor bearing, and due to the fact that the height of the lower end of the top plate is known, internal and external diameter data of the compressor bearing can be rapidly obtained; the structure is simple and measuring efficiency is high.
Owner:WUHU DESHAN CNC TECH CO LTD

Differential main reducer assembly selection gasket auxiliary device

The utility model discloses a kind of differential main reducer combined installation selected gasket auxiliary devices, comprising: main reducer measuring device, differential measuring device, gasket storage device, control box and display screen;Main reducer measuring device includes: main reducer positioning tool and main reducer measurement execution mechanism, main reducer positioning tool is used to support positioning main reducer, main reducer positioning tool is installed on the side of main reducer measurement execution mechanism, and main reducer measurement execution mechanism is used to measure the shoulder size a of main reducer;Main reducer measuring device is installed on the side of differential measuring device, and differential measuring device includes: differential positioning tool and differential measurement execution mechanism.The differential main reducer combined installation selected gasket auxiliary device solves the problem that manual selection mode in prior art is all dependent on the experience of operator for gasket selection, which leads to the problem of gasket selection error.
Owner:重庆翊高智能装备有限公司

Measuring device monitoring apparatus, monitoring adjustment method and thickness measurement method, terminal and medium

The application provides a measuring equipment monitoring device, a monitoring adjustment method, a thickness measurement method, a terminal and a medium, wherein the measuring equipment monitoring method comprises a repeatedly executed monitoring adjustment process; a single monitoring adjustment process comprises: measuring a reference wafer by a measuring equipment to obtain a monitoring data set; comparing the monitoring data set with a reference data set to obtain a difference condition; if the difference condition between the thickness monitoring data and the thickness reference data meets a thickness imbalance condition, performing alignment positioning adjustment on the measuring equipment; and if the difference condition between the warping monitoring data and the warping reference data meets a horizontal imbalance condition, performing horizontal adjustment on the measuring equipment. Through the repeatedly executed monitoring adjustment process, the state of the measuring equipment is monitored and maintained, the error of the measuring equipment is prevented from being too large, and the measurement accuracy of the measuring equipment is improved.
Owner:SIEN (QINGDAO) INTEGRATED CIRCUITS CO LTD

HXD3CA type electric locomotive fan wind speed monitoring device

The invention discloses an HXD3CA type electric locomotive fan wind speed monitoring device, and relates to the field of locomotive maintenance and monitoring, and the device comprises a support base, an angle adjusting-fixing unit, a measuring unit and a visual monitoring unit; the supporting base is used for installing the angle adjusting-fixing unit and the visual monitoring unit. The measuring unit is fixed on the angle adjusting-fixing unit; the measuring unit is electrically connected with the visual monitoring unit; the angle adjusting-fixing unit is used for adjusting the angle and the position of the measuring unit so as to be aligned with an air duct outlet of an HXD3CA type electric locomotive fan; the measuring unit is used for detecting wind speed data of an outlet of an air duct of a fan of the HXD3CA type electric locomotive; the visual monitoring unit is used for displaying wind speed data in real time. According to the invention, the measurement efficiency, data reliability and operation safety can be improved.
Owner:中国铁路北京局集团有限公司怀柔北机务段

Visual guidance method and system of large rocket cabin milling robot

PendingCN122062663Aavoid damageMeet processing rhythm requirementsAutomatic control devicesImage analysisEngineeringLaser tracker
The invention provides a visual guidance method and system for a large rocket cabin milling robot, and the method comprises the steps: 1, constructing a visual measurement system which comprises a hybrid robot, an area array structured light camera, a visual target, a target ball base, a product installation platform and a laser tracker, completing the system calibration, enabling the visual target to be installed on the target ball base, and enabling the visual target to be installed on the target ball base; the target ball base is fixed on the product mounting platform, and the laser tracker is used for calibrating the position of the target ball base; 2, collecting an image of a visual target through the area array structured light camera, analyzing the coordinates of the target, and resolving the relative pose of the robot relative to a product mounting platform, so as to determine the position of a theoretical cutting point according to a product design model; and 3, the area array structured light camera is used for collecting the three-dimensional shape of the surface of the to-be-machined product, the normal direction of the to-be-machined surface is calculated, and the direction of the tool is corrected according to the normal direction.
Owner:SHANGHAI SPACE PRECISION MACHINERY RES INST

Methods, devices, electronic equipment, and storage media for predicting battery heat generation power.

This application provides a method, apparatus, electronic device, and storage medium for predicting battery heat generation power. It acquires multiple first average heat generation powers of the battery when charged and discharged at different rates at a target temperature, and multiple second average heat generation powers of the battery when charged and discharged at the target rate at different temperatures. The target temperature includes the middle temperature of the battery's operating temperature range, and the target rate includes the rate at the middle position of the battery's rate range and the rate at the beginning and / or end positions. The multiple first average heat generation powers and multiple second average heat generation powers are fitted to obtain a relationship between the heat generation power of the battery when charged and discharged at different rates at different temperatures. Based on the obtained heat generation power relationship, the heat generation power of the battery when charged and discharged at any rate at any temperature is determined. This application can save testing time and resources while ensuring prediction accuracy.
Owner:SHANGHAI PYLON TECH CO LTD

A single-camera dual-view adjustable optical path laser imaging device

The utility model discloses a kind of single camera double visual field adjustable optical path's laser imaging device, the device includes imaging module, light splitting module, optical path adjusting module and shell, imaging module, light splitting module and optical path adjusting module are all connected in shell, and light splitting module and imaging module are sequentially arranged along laser input direction, optical path adjusting module is arranged below imaging module;Light splitting module is used to divide laser into first light beam and second light beam, and first light beam is transmitted to imaging module, and second light beam is transmitted to optical path adjusting module;Optical path adjusting module is used to adjust the optical path of second light beam, and second light beam is transmitted back to light splitting module, and is transmitted to imaging module by light splitting module;Imaging module is used to synchronously scan measurement to first light beam and second light beam.The utility model's light splitting module divides laser into first, second light beam, imaging module simultaneously measures first light beam and second light beam, realizes laser far field synchronous detection, improves measurement efficiency and synchronism.
Owner:SHENZHEN YITU VISION AUTOMATION TECH CO LTD

A superconducting magnet field measurement device

The application relates to the technical field of superconducting magnet field measurement, and discloses a superconducting magnet field measurement device, which comprises a supporting base, the outer side of the supporting base is fixedly connected with a tooth ring, a driving assembly is engagedly installed on the outer surface of the tooth ring, the top end of the driving assembly is fixedly connected with a sliding table, a measuring groove is arranged in the middle of the supporting base, an annular groove is arranged in the inner wall of the middle of the placing table, a sliding block is slidably connected in the annular groove, the bottom of one end of the sliding table is fixedly connected with the sliding block, a lifting mechanism is installed above the sliding table, and a support for placing a measurer is fixed at the top end of the lifting mechanism. The driving electric push rod can drive the measurer to move up and down together with the support, the magnetic field change in the vertical direction can be measured, all data can be measured in sequence, and the effect of multi-position measurement is achieved, and the measurement efficiency is improved.
Owner:HEFEI JUXIN MAGNET TECHNOLOGY CO LTD

Special testing device for dry electrode mixing

ActiveCN224594410UBig amount of datareduce dosage
This utility model provides a dedicated testing device for dry electrode mixing, relating to the field of particle size and shape detection technology. The dedicated testing device for dry electrode mixing includes a mounting base plate, with a housing fixedly connected to the top of the mounting base plate. The housing contains a light source assembly, a camera assembly, and a support assembly. The support assembly includes a second sliding seat that slides on the mounting base plate. By dispersing sample particles onto a glass slide, and then placing the glass slide inside a glass slide mounting holder, the second sliding seat is driven to slide towards the lens. Light emitted from the light source emitter is reflected by a right-angle reflecting prism, then passes through the glass slide, lens, and telecentric zoom lens, and is finally recorded and displayed by the camera. This directly measures particle size and morphology, is simple to measure, highly efficient, and yields a large amount of particle data. Furthermore, it requires a small sample volume, the sample is recyclable, and measurements can be repeated, offering significant advantages over dynamic image methods.
Owner:MIPU TECH (CHANGZHOU) CO LTD

Water quality measuring device

The embodiment of the utility model provides a water quality measuring device which comprises a constant-temperature water supply module used for inputting to-be-measured liquid, controlling the to-be-measured liquid to be kept at a constant temperature and outputting the to-be-measured liquid; the first measuring assembly and the second measuring assembly are communicated with the constant-temperature water supply module; the first measuring assembly comprises an oxygen content measuring unit for measuring the oxygen content of the to-be-measured liquid output by the constant-temperature water supply module; and the second measuring assembly comprises a conductivity measuring unit for measuring the conductivity of the to-be-measured liquid output by the constant-temperature water supply module, and a temperature measuring unit for measuring the temperature of the to-be-measured liquid output by the constant-temperature water supply module. According to the water quality measuring device provided by the embodiment of the invention, multiple water quality indexes can be measured, temperature measuring probes can be prevented from being arranged on the oxygen content measuring unit and the conductivity measuring unit, the structure is simplified, and the measuring efficiency is improved.
Owner:SEMICON TECH INNOVATION CENT(BEIJING) CORP

A test vibration excitation device

ActiveCN224443645UImprove porosity measurement accuracyEven by forceHydraulic engineeringMechanical engineering
This disclosure provides a vibration excitation device for testing and detection, belonging to the technical field of hydraulic engineering testing equipment. The excitation device includes an excitation base plate, a sliding rod, a limiting block, and an excitation hammer; one end of the sliding rod is connected to the excitation base plate; the limiting block is connected to the other end of the sliding rod, and the limiting block and the side of the excitation base plate that are close to each other form a vibration space; the excitation hammer is slidably connected to the sliding rod and located within the vibration space. This excitation device improves the accuracy of tests on fill materials and facilitates tests on fill materials.
Owner:NORTHWEST ENGINEERING CORPORATION LIMITED +1

Method and device for measuring radius of automobile tire, electronic equipment and storage medium

The embodiment of the invention discloses an automobile tire radius measurement method and device, electronic equipment and a storage medium. According to the scheme, in the moving process of the to-be-detected vehicle, continuous multiple frames of target images containing optical targets are collected, the optical targets are installed on tires of the to-be-detected vehicle, reference target images and observation target images are selected from the multiple frames of target images, and a pose transformation matrix between each observation target image and the reference target image is obtained through calculation; and performing decomposition processing on the pose transformation matrix to obtain a rotation matrix and a translation matrix, constructing a residual equation for determining the tire radius based on the rotation matrix and the translation matrix between each observation target image and the reference target image, and calculating the tire radius of the to-be-measured vehicle by minimizing a residual term of the residual equation. By measuring the target positions at multiple angles in the rolling process of the wheel, the center and radius of the circle are fitted, so that the measurement accuracy and efficiency of the tire radius are improved.
Owner:SHENZHEN SMARTSAFE TECH CO LTD

Cylindrical battery measuring method based on machine vision

The invention discloses a cylindrical battery measurement method based on machine vision, which comprises a double-line scanning correlation system, the double-line scanning correlation system comprises a top surface camera and a bottom surface camera, and the measurement method comprises the following steps: S100, the top surface camera collects a cylindrical battery top surface depth map, and the bottom surface camera collects a cylindrical battery bottom surface depth map; s200, intercepting a point set of a predetermined area of the top surface of the cylindrical battery as a top surface measurement point cloud, and intercepting a point set of a predetermined area of the bottom surface as a bottom surface measurement point cloud; s300, importing a predetermined calibration matrix T, and transforming the top surface measurement point cloud and the bottom surface measurement point cloud into the same coordinate system; and S400, respectively fitting the plane equation of the top surface measurement point cloud and the plane equation of the bottom surface measurement point cloud in the same coordinate system to calculate the distance between the top surface and the bottom surface so as to obtain the height dimension of the cylindrical battery. Manual direct measurement is avoided, measurement is achieved through computer vision, and the measurement reliability is improved.
Owner:XIAMEN WEIYA INTELLIGENT TECHNOLOGY CO LTD +1

A Real-Time Adaptive 3D Measurement System and Method for Objects Based on Microstructured Light

ActiveCN122083856AAchieve multi-angle simultaneous measurementFully automatedUsing optical meansControl cellEngineering
This invention provides a real-time adaptive 3D measurement system and method for objects based on microstructured light. The system includes: multiple optical measurement units arranged in an equidistant circular array along the circumference on a ring mounting frame and moving synchronously with a lifting and adjusting mechanism; multiple measurement posture acquisition units, a reference posture monitoring unit, a posture compensation unit, a control unit, a data fusion module, and a quality analysis module. According to this invention, the multiple optical measurement units arranged in a circular array enable multi-view synchronous measurement of the workpiece, avoiding the time consumption and reference conversion errors of traditional indexing measurement methods. The real-time posture monitoring and dynamic compensation mechanism effectively suppresses measurement errors caused by factors such as mechanical vibration and temperature drift, reducing posture-related measurement errors. The system achieves automation, real-time measurement, and high precision in 3D measurement, improving measurement efficiency and accuracy.
Owner:XIAN HIGH TECH AEH INDAL METROLOGY

A narrow slot diameter measuring device

The utility model provides a kind of narrow groove diameter measuring device, including bottom plate, the left end of the upside of bottom plate is provided with left support, right end is provided with right support, the upper end of right support is provided with groove positioning column, the back of right support is provided with measuring mechanism, measuring mechanism includes height and angle adjustable measuring table, the measuring head of measuring table corresponds with groove positioning column, calibration block is placed on right support, calibration block is used for measuring table zero adjustment.
Owner:NANYANG NORTH XIANGDONG IND CO LTD

A crop growth condition monitoring device

This invention discloses a crop growth monitoring device, relating to the field of agricultural equipment. It includes a base plate, connecting rods, a vertical rod, and a light source assembly. The base plate has several sets of detection components evenly distributed on it. The side of the base plate is connected to the bottom of the vertical rod via connecting rods. The top of the vertical rod is equipped with a light source assembly that emits stable light. A horizontal movement assembly is located on one side of the base plate where the connecting rods are located. A vertical movement assembly is located on the horizontal movement assembly, and a photoresistor element is located on the vertical movement assembly. A linkage block is located at the bottom of the photoresistor element. When the linkage block moves directly above any set of detection components, it can activate the detection components to extend into the soil for detection. This invention can measure the moisture and fertility of the soil around the crop while simultaneously measuring the crop plant height, thereby indirectly obtaining information about the crop's root system and saving labor in crop data collection.
Owner:ANHUI ZHONGKE INTELLIGENT PERCEPTION BIG DATA IND TECH RES INST CO LTD