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20results about How to "Reduce reading errors" patented technology
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Intelligent clip-on ammeter
PendingCN119414066Aquick measurementImprove the efficiency of installation and disassemblyCurrent/voltage measurementElectrical testingControl theoryWrench
The invention relates to the technical field of clip-on ammeters, and discloses an intelligent clip-on ammeter which comprises a clip-on ammeter body, a clip-on head is rotatably connected in the clip-on ammeter body, a wrench is fixedly connected to the left side of the clip-on head, and a fixing mechanism is arranged on the periphery of the clip-on ammeter body. The clamp-type ammeter comprises a clamp-type ammeter body, a fixing mechanism is arranged at the bottom of the clamp-type ammeter body, a handheld mechanism is arranged at the rear side of the clamp-type ammeter body, a limiting mechanism is arranged at the bottom of the fixing mechanism, and the fixing mechanism comprises a fixing assembly and a pressing assembly. When the clamp-on ammeter is used, the clamp-on ammeter body is fixed under the action of the base, the fixing frame and the concave frame, and the connecting shaft is connected with the fixing sleeve, so that the clamp-on ammeter body can be lifted under the action of the supporting rod, and the clamp-on ammeter body can measure the current of a cable at a high position.
Owner:刘雪
Device for measuring insulation diameter of high-voltage cable
PendingCN119594874Aefficient measurementaccurate measurementUsing optical meansLaser rangingDiameter measurement
The invention discloses a device for measuring the insulation diameter of a high-voltage cable, and the device comprises a pair of clamps which are oppositely disposed and are used for clamping a to-be-measured high-voltage cable; the clamp comprises a side wall and a pair of clamping blocks mounted on the side wall, and the clamping blocks clamp a high-voltage cable to be tested therebetween; the sliding rails are arranged between the two clamps; the laser measurement module is connected to the sliding rail in a sliding manner; the laser measuring module is provided with at least two laser distance measuring sensors which are arranged diagonally and used for measuring the insulation diameter of the high-voltage cable to be measured. According to the invention, non-contact measurement can be carried out on the insulation surface of the cable, and the insulation diameter of the cable and the tiny deviation in the X-axis direction and the Y-axis direction can be efficiently, accurately and non-destructively measured; the laser ranging principle is applied, the cable insulation diameter measurement accuracy is improved in cable accessory installation, and an efficient, reliable, accurate and damage-free measurement tool is provided; tiny scratches possibly caused by measurement of a traditional vernier caliper are avoided, and the operation reliability of a cable system is improved.
Owner:SHENZHEN POWER SUPPLY BUREAU
Pile head depth measuring device
PendingCN119437005AImprove verticalityReduce reading errorsMechanical depth measurementsMeasurement deviceStructural engineering
The invention provides a pile head depth measuring device, which comprises a drill rod ruler, and is characterized in that the drill rod ruler is inserted into a supporting unit, slides along the vertical direction of the supporting unit, is connected with an impact assembly for driving the drill rod ruler to move downwards, and is provided with a depth measuring assembly. The drill rod ruler is inserted into the supporting unit, the drill rod ruler is controlled by the supporting unit to be kept in a vertical state all the time, and the perpendicularity of the drill rod penetrating into the soil is improved; the sight line and the scale can be kept horizontal without bending down during reading, and the reading error is reduced; meanwhile, the impact ring is detachable, the weight of the impact ring can be increased or reduced according to geological conditions, and the soil penetrating efficiency of the drill ruler is further improved; the folding function is achieved, the size is small after folding, and turnover, storage and carrying are convenient.
Owner:CHINA CONSTR SEVENTH ENG DIVISION CORP LTD
Rail brace facade measuring vernier caliper
Owner:CHINA RAILWAY BAOJI BRIDGE (NANJING) CO LTD +1
Ground surface settlement monitoring device
ActiveCN224202453Uavoid measurement errorseasy to readHeight/levelling measurementMining engineeringGround settlement
Owner:GUIZHOU ELECTRIC POWER DESIGN INST
A portable aircraft ground power vehicle voltage rapid detection device
This application provides a portable aircraft ground power vehicle voltage rapid detection device, belonging to the field of voltage detection technology. The device includes: a DC voltmeter A, a DC voltmeter B, a first switch K1, a second switch K2, a first pin, a second pin, a third pin, a fourth pin, a fifth pin, and a sixth pin. The third and sixth pins are connected by a first wire, and the first switch K1 is connected in series with the first wire. The fourth and fifth pins are connected by a second wire, and the second switch K2 is connected in series with the second wire. The first terminal of DC voltmeter A is connected to the first pin, and the second terminal of DC voltmeter A is connected to the first switch K1 and the third pin. The first terminal of DC voltmeter B is connected to the first switch K1 and the third pin, and the second terminal of DC voltmeter B is connected to the second pin. Voltage values can be quickly obtained from DC voltmeters A and B.
Owner:NAVAL AVIATION UNIV
Automatic timing and flow measuring barrel
PendingCN119469289AImprove reliabilityimprove accuracyVolume/mass flow measurementTime interval measurementStopwatchMechanical engineering
The invention discloses an automatic timing and flow measuring barrel. Comprising a barrel body, an automatic timing device and a water level sensor, the automatic timing device is arranged on the outer side wall of the upper portion of the barrel body and comprises an infrared emitter, a reflecting plate and a timer, the infrared emitter is arranged on the outer side wall of one side of the upper portion of the barrel body, and the reflecting plate is arranged on the side wall of the other side of the upper portion of the barrel body in the mode of directly facing the infrared emitter; the water level sensor is arranged on the inner side wall of the lower part of the barrel and is in contact connection with the inner bottom surface of the barrel. Timing and liquid measuring functions are combined, convenience of measuring liquid flow by a single person is realized, working efficiency is improved, personal errors are reduced, reliability and accuracy of data are improved, a data storage function is provided, and subsequent data analysis is facilitated.
Owner:RESEARCH INSTITUTE OF PRODUCT QUALITY STANDARDS OF THE MINISTRY OF WATER RESOURCES
A device for controlling the spacing of reinforcing bars
ActiveCN224398559UAdjustment and measurement accuracy are highTransmission displacement is stableMechanical clearance measurementsWork holdersControl engineeringControl theory
The utility model discloses a device of reinforcing bar spacing control relates to reinforcing bar spacing control field, including the measuring frame, the inside rotatory connection of measuring frame has two -way screw rod, both sides of two -way screw rod's outer surface all rotatory connection has the screw part, the lower extreme of screw part is provided with the positioning assembly, and the inside of screw part and measuring frame mutually sliding plug -in. The utility model adopts above -mentioned structure, and the scale on both sides of the measuring channel of measuring frame upper end measures, can intuitively read the distance between both sides screw part, thereby completes the spacing measurement between reinforcing bar, realizes both sides positioning assembly synchronous regulation through two -way screw rod drive, need not adjust respectively, and the positioning and measurement time are greatly shortened, and the operation complexity is reduced, and the high measurement precision of screw regulation, and two -way screw rod transmission displacement is stable, and the accurate scale of cooperation scale can reduce manual positioning and reading error, and ensure that the measurement result is accurate.
Owner:HUAIBEI HUAIWU ENG CONSTR SUPERVISION CO LTD
Tagging system of infrared transmission reading technology and reading method thereof
ActiveCN119502584Avalid readimprove concealmentDuplicating/marking methodsVisual presentation using printersFluorescenceEngineering
The invention relates to the technical field of infrared reading, and discloses a code assigning system of an infrared transmission reading technology, a reading method of the code assigning system and a code assigning module, and the code assigning module is configured to carry out code assigning on solid numbers or bar codes by utilizing infrared band ink with a specific formula below a non-transparent paper, film or silk-screen layer. The infrared band ink has a remarkably enhanced absorption or excitation fluorescence characteristic in an infrared band; the infrared observation equipment is provided with an adjustable infrared light source and a highly sensitive infrared detector; according to the method, the infrared band ink with a specific formula is adopted for tagging, it is ensured that tagging information can still be effectively read below opaque paper, film or silk-screen layers, the tagging process is not interfered by external environmental factors, the stability and consistency of tagging quality are ensured, and the tagging quality is improved. And the infrared reading mode enables the tagging information to have extremely high concealment, so that the tagging information is not easy to imitate and tamper, and the anti-counterfeiting capability of the product is effectively improved.
Owner:SHANGHAI PAICHOU DIGITAL TECHNOLOGY CO LTD
A liquid flow standard device based on machine vision liquid level detection
ActiveCN118670487BImprove work efficiencyreduce mistakesMachines/enginesLevel indicatorsGraduated cylinderLiquid storage tank
The invention relates to the field of liquid flow metering, and discloses a liquid flow standard device based on machine vision liquid level detection, comprising an air storage tank, a liquid storage tank, a throttle valve, a measuring cylinder and a liquid level measurement component, wherein liquid is stored in the liquid storage tank, the throttle valve is connected between the liquid storage tank and the measuring cylinder, the air storage tank introduces gas into the liquid storage tank to squeeze the liquid into the measuring cylinder, a flow meter is arranged between the throttle valve and the measuring cylinder, a pressure reducing valve and a stop valve are also installed on a connecting pipeline between the air storage tank and the liquid storage tank, the liquid level measurement component is arranged on one side of the measuring cylinder, and the liquid level detection component is equipped with a visual detection system, which determines whether a camera performs a lifting movement according to features extracted from a current image to ensure that the liquid level is within an effective field of view of the camera, thereby realizing accurate measurement of the liquid level height in the measuring cylinder, calculating the actual liquid flow rate flowing through the flow meter according to a preset volume flow calculation strategy, automatically reading the liquid level height in the measuring cylinder by using the visual detection system, and reducing the error of manual reading.
Owner:CHINA JILIANG UNIV
Oil-submerged pump test tool
The utility model discloses an oil-submerged pump test tool which comprises an oil tank profiling container, a manhole seat ring, a supporting piece, an oil-submerged pump, an oil conveying pipeline, a manual ball valve, a pressure gauge, a flow meter, a shock absorber, a shock absorption elbow and an oil outlet pipe. The manhole seat ring is arranged on the oil tank profiling container, the manual ball valve and the pressure gauge are adjacently arranged on the horizontal section of the oil conveying pipeline, the oil outlet end at the tail end of the oil conveying pipeline is connected with the flow meter inlet end through the shock absorber, the flow meter outlet end is connected with the oil outlet pipe through the shock absorption elbow, and the oil outlet pipe extends into the oil tank profiling container. The device is simple and reasonable in overall structure, light in weight design, convenient to disassemble and assemble, small in occupied space and convenient to arrange, and the labor intensity of an operator is relieved; the reading is convenient and quick, the test result can be quickly obtained, the test efficiency is improved, the recycling of the test liquid is realized, the resource is saved, and various application scenes are met.
Owner:LUOYANG ERWIN HYMER LONCEN CARAVAN CO LTD
A split-gate flash memory cell and method of making the same
The application provides a split-gate flash memory cell and a preparation method thereof. The split-gate flash memory cell comprises a substrate, a source line and two memory sites on the substrate. The two memory sites are symmetrically arranged, and the source line is located between the two memory sites. Each memory site comprises a floating gate, a gate dielectric layer, an erase gate, a word line gate and a tunnel oxide layer. The floating gate comprises a first part and a second part. The word line gate is located on the substrate and extends upwards to cover the side wall of the gate dielectric layer, the erase gate and the side of the first part away from the source line. The floating gate is divided into the first part extending in the horizontal direction and the second part extending in the vertical direction, so that the coupling between the source line and the floating gate in the horizontal direction is changed into the coupling in the vertical direction, the relative coupling area between the source line and the floating gate is increased, and the size of the split-gate flash memory cell is reduced.
Owner:SHANGHAI HUAHONG GRACE SEMICON MFG CORP
A building surveying positioning tool with fast calibration function
The utility model relates to building engineering surveying technical field discloses a kind of building surveying positioning tools with quick calibration function, comprising: support plate, for bearing assembly;First positioning assembly, including the pivot one of being arranged in support plate one side;Second positioning assembly, including the pivot two of being rotatably connected on pivot one, further including the telescopic plate one of being arranged on pivot two, further including the telescopic plate two of being slidably connected on telescopic plate one, and the locking position between telescopic plate one and telescopic plate two is locked by locking assembly;Auxiliary assembly, including the thimble of being rotatably connected on pivot one;Expansion assembly, including the baffle of being rotatably connected in support plate one side, intuitively read angle, length numerical value by the scale line outside pivot and telescopic plate, reduce calibration operation step and reading error, efficiently complete positioning calibration, and can be quickly stored, conveniently carry, adapt to different building surveying scene requirement.
Owner:JINING RUICHENG JIANAN ENG CO LTD
A device for testing the air tightness of batteries in new energy vehicles
ActiveCN224286281URealize streamlined operationsmall footprintMeasurement of fluid loss/gain rateConveyorsHydraulic cylinderElectrical battery
This utility model discloses a device for testing the air tightness of new energy vehicle batteries, comprising a feeding conveyor belt, a testing platform, and a discharging conveyor belt. A testing seat is mounted on the testing platform, flush with the conveying surfaces of the feeding and discharging conveyors. A support frame is mounted on one side of the testing platform, and a testing cover is mounted on the support frame via a hydraulic cylinder. When pressed downwards, the testing cover can seal against the testing seat. A ventilation component and a pressure gauge are mounted on the testing cover. A fixed column is movably mounted on one side of the testing platform along the conveying direction, and a supporting beam is mounted on the fixed column. A mounting frame is retractably mounted on the inner side of the supporting beam, and clamping frames are symmetrically mounted on the mounting frame. Each clamping frame is equipped with a battery clamping component. This utility model can improve the operational efficiency of air tightness testing of new energy vehicle batteries and reduce wear on the bottom of the batteries during the testing process.
Owner:ANDY (SUZHOU) TESTING TECH CO LTD
Water conservancy flood control early warning device
ActiveCN224457466UAvoid the limitations of relying on manual long-distance visual inspectionimprove accuracyVisual observationDisplay device
This utility model provides a flood control early warning device, relating to the technical field of water level monitoring devices. The device includes: an installation pipe, a water level gauge, a floating block, two guide shafts, a camera, and a display device. The water level gauge is fixedly connected to the installation pipe, the two guide shafts are also fixedly connected to the installation pipe, the floating block is slidably connected to the two guide shafts, a mounting frame is fixedly connected to the floating block, the camera is fixedly connected to the mounting frame and is used to capture images of the water level gauge, the display device is mounted on the installation pipe and connected to the camera to display the content captured by the camera, and lighting lamps are provided on both sides of the camera. This flood control early warning device avoids the limitations of traditional mechanical water level gauges that rely on manual long-distance visual observation.
Owner:LIAO NING OPT OPTICAL COMM CO LTD
A hyperbolic cooling tower construction size measuring device
The utility model discloses a hyperbolic cooling tower construction size measuring device, including total station, places in the center of the building bottom layer datum surface of measurement, prism pole, level connection is on the building inner formwork, and makes its length direction's center perpendicular line with the vertical silk of telescope on total station coincides, signal reflection device, fixed connection in the front end of prism pole is used for reflecting total station's ranging signal of sending, the utility model discloses total station, signal reflection device and prism pole structure are combined, and the prism pole rear end is provided with the length of adjustable length's lengthening pole, to adapt to the measuring requirement under different conditions, and can avoid the shelter of barrier, effectively improved work efficiency, avoided the problem of line of sight shelter, and greatly improved the precision of measurement.
Owner:NO 2 ENG CO FOR ELECTRIC POWER CONSTR OF ANHUI PROV
Oil-gas-water three-phase meter
ActiveCN224772416UImproved fugitive gas capture rateReduce reading errors
The utility model discloses an oil gas water three -phase quantity ware belongs to oil and gas field exploitation analysis technical field. In view of the problem of big gas dissipation error in traditional three -phase measurement, the utility model provides an oil gas water three -phase quantity ware, including the container main part for accommodating oil gas water three -phase material, and the left and right sides of container main part front view are provided with symmetrical volume graduation, container main part inside is provided with the baffle that can move up and down, and the container main part inside is divided into sampling cabin and gas cabin, the bottom of baffle is sealable with container main part inside bottom connection, still including the transport pipe that sets up in sampling cabin, and the transport pipe is provided with rubber ball in, the transport pipe top is connected with the observation cylinder, and the observation cylinder top is provided with the sampling switch for controlling sampling cabin switch, the observation cylinder inside designs the narrow neck of tapering, controls sampling switch, and fills the oil water mixture in sampling cabin.
Owner:CHINA PETROLEUM & CHEMICAL CORP +1
Large-size angle dial error calibration device and calibration method
PendingCN119573519AGuaranteed synchronous rotationprecise positioningAngles/taper measurementsControl systemElectron microscope
The invention discloses a large-size angle dial error calibration device and calibration method. The system comprises a scribed line sighting device, a standard angle generating device, a concentric positioning device and a control system. According to the calibration device disclosed by the invention, the large-view and high-definition electron microscope with the display screen is adopted as the core of the scribed line sighting device, so that the reading error is reduced, and the accuracy and reliability of the measurement result are ensured. According to the calibration method disclosed by the invention, a traceability mode of transmitting angle measurement to angle is adopted, the actual use working condition of the measured angle dial can be completely simulated, and the measurement precision and the detection efficiency are improved.
Owner:QINGDAO INST OF METROLOGY TECH +1
Soil loss monitoring device and soil loss monitoring method
PendingCN119469061AHigh measurement accuracyReduce reading errorsMechanical thickness measurementsHeight/levelling measurementSoil scienceAgricultural engineering
The invention relates to the technical field of soil monitoring, and discloses a soil loss monitoring device and a soil loss monitoring method. The soil loss monitoring device comprises an insertion rod, a mounting seat and a monitoring assembly, the mounting seat is arranged at one end of the insertion rod; the monitoring assembly comprises a distance measuring device, a lowering device and a data reading device, the lowering device is arranged on the mounting base, the driving end of the lowering device is connected with the distance measuring device, the lowering device is used for retracting and releasing the distance measuring device in the vertical direction, and the data reading device is arranged on the mounting base, is in communication connection with the lowering device and is used for reading the height position of the distance measuring device; the soil settlement value is judged according to the height position change of the distance measuring device at different moments. According to the soil loss monitoring device, the height data of the distance measuring device is monitored and read in real time through the data reading device, the reading error is small, the reading is more accurate, the measurement precision of the device is higher, and the reliability is better.
Owner:SHANGHAI INVESTIGATION DESIGN & RES INST CO LTD
A level gauge for measuring the liquid level in oak barrels.
ActiveCN224286055Uachieve installationenough buoyancyMachines/enginesLubrication indication devicesMechanical engineeringWine
This utility model relates to the field of wine aging technology and discloses a level gauge for measuring the liquid level in oak barrels. It includes a float, a connecting rod, an indicator plate, a flange, and a transparent tube arranged coaxially. The float has a hollow structure with a cylindrical center. The radial dimension of the float's center is smaller than the opening of the oak barrel. One end of the float is spherical, and the other end is fixedly connected to one end of the connecting rod, which in turn is fixedly connected to the indicator plate. The radial dimension of the flange is larger than the opening of the oak barrel, and one end of the flange is fixedly connected to one end of the transparent tube. The transparent tube has graduations, and the indicator plate is fitted inside the transparent tube. A through hole is formed in the center of the flange, and the connecting rod is fitted inside the through hole. This level gauge can accurately measure the liquid level in oak barrels during aging, providing accurate data for calculating the aging volume. It has a simple structure and is convenient to assemble and use.
Owner:BACCHUS WINE (CHENGDU) CO LTD