38results about How to "Realize intelligent measurement" patented technology

The invention relates to an intelligent device for measuring the dielectric loss factor and the insulation resistance of a power transformer. The intelligent device comprises an upper computer U1, an insulation resistance measuring module U2, a dielectric loss measuring reverse connection module U3, a dielectric loss measuring positive connection module set, a diverter switch J, a high-voltage relay set and a low-voltage relay set. The intelligent device has the following advantages that as long as connection lines are well connected at the beginning of a test, in the whole test process, the upper computer is used for controlling high-voltage relays, low-voltage relays and the diverter switch to select a winding state and a measurement project so as to replace manual line connecting, the winding state is automatically switched in the whole measurement process, manual intervention is not needed, measurement errors can be reduced, the working intensity can also be relieved, the working efficiency is improved, and intelligent measurement of the dielectric loss factor and the insulation resistance of the power transformer is achieved.

This invention relates to a measurement method for PDL characterizing that: an incident modulated optical signal enters into a dual-refraction device to pass through a polarization rotor, a PDL device to be tested and enters into a polarization meter finally to let the rotor rotate a circle axially to note down the appeared DOP maximum value and the minimum value and compute the PDL value of related device, which is advantaged that it can measure PDL value in optical devices or system under single wavelength or multiple wave lengths and realize intelligent measurement to PDL without monitor.

The invention discloses a detection sensor and a detection method for an angle of a rocker arm of a coal cutter. The sensor includes a base, a base top cover and a rocking bar; the base is connected with a revolving shaft, and the rocking bar is fixedly connected with the revolving shaft; one end of the rocking bar that is not fixedly connected with the revolving shaft is connected with a connection base; the top of the revolving shaft is provided with circular magnetic steel; the top of the base top cover is connected with a sensor protective shell; an inner cavity of the sensor protective shell is a circuit board installation cavity and a sensor circuit board is installed in the circuit board installation cavity; the sensor circuit board is integrated with a sensor circuit; and the sensor circuit includes a microprocessor module, a power supply module, a communication module, an angle sensor, and a display module. The method includes the following steps: 1. installing the sensor; and2. detecting the angle of the rocker arm of the coal cutter. The sensor is novel and reasonable in design, is convenient to implement, is good in work stability and reliability, is strong in anti-interference capability, is high in detection precision, provides guarantee for realization of automatic height adjustment of the coal cutter, is strong in practicability, and is convenient for popularization and usage.

According to an automatic flow resistance control system for minimum flow, a small flow can be continuously measured in real time, and the measurement precision is high. According to the technical scheme, a positive displacement pump is communicated with a flow and flow resistance circulation loop formed by series flow pipes of a positive displacement flow meter, a differential pressure flow meter and an ultrasonic flow meter, and the flow and flow resistance circulation loop is connected with a PWM voltage converter through a single-chip microcomputer; and the single-chip microcomputer 1 realizes equal proportion conversion of a duty ratio PWM signal and a voltage signal through a PWM signal-to-analog signal module to form a direct current control voltage to drive a motor, the single-chip microcomputer selects a reading of a corresponding measuring range flow meter to directly drive a dual-mode PWM control circuit in a pump motor to adjust the rotating speed of the motor and a pump, the readings of the selected flow meter and the differential pressure sensor at the corresponding moment are collected at the tail of each time slice to form measuring points, then the measuring step length is automatically set according to the number of the input measuring points, and the measurement of the differential pressure and the flow in the measuring range is achieved.

The invention discloses a lens component of an intelligent image measurement instrument. The lens component comprises a fixing structure, and a camera and a lens installed on the fixing structure; thelens is installed below the shooting position of the camera; the fixing structure comprises an installation rod and a placement board fixed at the lower part of the installation rod; the camera is rotationally installed on the placement board in a clamping and limiting manner. According to the lens component provided by the invention, the whole structure is fixedly or movably connected onto the detection structure via the installation rod, so that when the lens component is used for observing a detection sample, the observation detection angle position of the camera and lens can be controlledvia the installation rod, and thus intelligent measurement is achieved; when in rotating, the camera can elastically enter a blind hole through pressing limiting bumps by the limiting rod; when the camera is rotated for a certain angle, the limiting rod is positioned between the adjacent limiting bumps again, the limiting bumps are raised elastically, so that the rotation angle of the camera canbe limited, and thus the active adjustment on the angles of the camera and the lens can be achieved, and the shooting coverage and flexibility can be improved.

The invention discloses a system and a method for implementing gem identification based on Raman spectrum and optical coherence tomography (OCT). The system comprises a gem sample, a glass slide, a cassette, a mobile platform, a Raman spectrometer, an OCT, a data extraction and processing module and a display, wherein the cassette comprises two light holes. The method comprises the steps of firstly using OCT to acquire a no-load image via the light holes during no-load of the glass slide, and then separately using OCT and the Raman spectrometer to detect the sample on the glass slide, to acquire a sample spectrogram and an OCT image; using computer software to analyze the image to acquire boundary and distance information of the sample, completing the computation of a refractive index viaan optical path matching principle, and analyzing a Raman spectra to acquire a chemical property of the sample; and finally displaying a measurement result via the display. The system and method are simple in design, simple and convenient to operate, and achieve quick switching on measurement of the same sample; measurement and comprehensive analysis of multiple indexes such as physical property (optical refractive index) and chemical components of the irregular gem material are implemented; and meanwhile, the method achieves automation, digitization and intelligent measurement of optical refractive indexes of different faults of the gem.

The invention relates to a DC charging pile insulation monitoring circuit and method. The circuit comprises an initial positive bus voltage measurement module, an initial negative bus voltage measurement module, a standard positive bus voltage measurement module, a standard negative bus voltage measurement module and a micro-control module. The micro-control module is used for sending a positive initial voltage signal, a negative initial voltage signal, a positive standard voltage signal and a negative standard voltage signal to the initial positive bus voltage measurement module, the initialnegative bus voltage measurement module, the standard positive bus voltage measurement module and the standard negative bus voltage measurement module. Positive/negative insulation resistance values of the positive bus and the negative bus to the ground are calculated based on the received positive initial voltage signal, negative initial voltage signal, positive standard voltage signal and negative standard voltage signal, and when it is judged that the positive/negative insulation resistance values exceed the corresponding threshold values, an alarm signal is sent out, so that the working safety of the direct-current charging pile is improved.

The invention discloses an intelligent foundation pit measurement system and method. The system comprises a central processing unit and at least nine ranging units, wherein all the ranging units are communicably connected with the central processing unit; at least eight ranging units are horizontal-direction ranging units and at least one ranging unit is a vertical-direction ranging unit, the ranging direction of which is downward; the central processing unit is communicably connected with a ranging-end wireless communication module and a GPS positioning module; the ranging-end wireless communication module is used for being wirelessly and communicably connected with an intelligent mobile terminal; the intelligent mobile terminal is wirelessly and communicably connected with the central processing unit and a cloud data platform, and is provided with intelligent foundation pit measurement software; and the intelligent foundation pit measurement software comprises an intelligent judgement module, a defect repair list generation unit and a detection qualification report generation module. By utilizing the system and method, the intelligent control, measurement, acceptance inspection and acceptance inspection result generation of the foundation pits can be realized, so that the acceptance inspection efficiency and correctness of the foundation pits are effectively improved.

The invention discloses a fracturing propping agent roundness measuring method based on microscopic image processing. The fracturing propping agent roundness measuring method comprises the following steps: carrying out angular point detection on each processed fracturing propping agent particle edge image; if no angular point is detected, the roundness of the fracturing propping agent particles is judged to be 0.9, and otherwise, the next operation is carried out; dividing the edge curve of each fracturing propping agent particle into a plurality of sections, and fitting each section of curve by using a high-order curve with the highest judgment coefficient to obtain a plurality of fitted curvilinear equations; and for the detected angular point, calculating the curvature radius of the angular point according to the serial number of the curve segment where the angular point is located, and obtaining the roundness value of each fracturing propping agent particle. According to the relationship between the angular point curvature radius and the maximum inscribed circle radius of the particles, the novel fracturing propping agent roundness measurement method is provided, the sphericity value measured by the method is accurate and effective, and intelligent measurement is achieved.

The invention discloses an intelligent work staring and control visual management system, which is applied to a processing assembly line and comprises an integrated central control platform (1), a plurality of sensing detection modules (2), a mobile auxiliary detection end (3) and an abnormity alarm center (4), the integrated central control platform (1) is respectively in data communication connection with the plurality of sensing detection modules (2), the mobile auxiliary detection terminal (3) and the abnormity alarm center (4) to realize data communication and manipulation control; according to the intelligent work staring and control visual management system and management method, a mode of combining big data calculation is adopted, key highlighting and key attention are performed, arrangement of monitoring sensing equipment can be reduced, and intelligent management efficiency and monitoring cost are improved.

The embodiment of the invention discloses an infrared laser intelligent quadrat investigation device and method. The device comprises a bracket, an infrared laser projector, an image collection module, an image recognition and processing module, a GPS positioning module, and a display module. The method comprises: emitting infrared laser, and projecting on a sampling plot to form a quadrat frame; carrying out image collection on samples in the formed quadrat frame, identifying the collected images, carrying out sample population analysis and dominant species and coverage calculation, and obtaining latitude, longitude and altitude information of a sampling position through GPS positioning; and displaying the collected image information, the collected population analysis result, the coverage calculation result, the latitude and longitude of the current sampling position and the altitude information are displayed on a display screen. According to the invention, a quadrat frame is formed through infrared laser projection, a traditional quadrat frame does not need to be carried, intelligent measurement of the coverage and intelligent positioning of the sampling position can be achieved, and strength is increased for field scientific research.

The invention relates to the technical field of rail transit, and discloses a bullet train rod piece measuring device based on artificial intelligence. The bullet train rod piece measuring device comprises a base and a main control box, the top of the base is fixedly provided with a set of conveying belt of a circular structure through three sets of supporting legs arranged in a triangular shape.A plurality of groups of classified scanning tunnels are fixedly mounted on the upper side of the conveying belt at equal intervals; an air cylinder with the output end facing the center of the conveying belt and electrically connected with the main control box is fixedly installed on the belt edge of the conveying belt outside the rear side of the classified scanning tunnel, the inner side of thenotch is obliquely and downwards connected with a discharging channel, and the bottom of the discharging channel communicates with a rotary measuring groove fixed to the upper surface of the base. The device has the advantages of intelligent operation, automatic classification, automatic rotary measurement, high working efficiency and high use value.

The invention discloses a device for intelligently measuring a car door mechanical parameter based on machine vision. The device capable of measuring car door size and diameter comprises an image collection device, an image measurement device, and a car door welding platform; the image collection device is mounted on the car door welding platform; the image measurement device receives an image sent from the image collection device and processes the same. An operation of dynamically measuring a precise mechanical parameter of the car door on an assembly line is realized, the precision is improved while satisfying the operation of intelligently measuring multiple car doors, the precision is improved, and the device can be great for improving the appearance and the safety performance of the car door.

The invention discloses a holothurian size screening method adopting computer vision. The method mainly comprises the following steps of acquiring a holothurian image through a monocular camera, and performing binarization, Gaussian filtering, morphological processing and the like on the holothurian image to obtain a processed image. The minimum circumscribed rectangle of the holothurian and a reference object is drawn by extracting the contours of the holothurian and the reference object in an edge image, the Euclidean distance between the holothurian and the reference object in the image iscalculated according to the vertex of the circumscribed rectangle, and the actual distance of the holothurian is calculated according to the ratio of the Euclidean distance of the standard reference object to the actual distance. The holothurian screening method solves the problems of low working efficiency, inaccurate screening and the like in manual screening, and solves the problems that a screen is blocked in screen screening, inaccurate screening is easily caused, the holothurians are scratched by the screen and the like.

The invention discloses a tunnel surrounding rock deformation detection method adopting a digital camera technique under the remote control of a computer. The method is characterized by arranging a plurality of observation points on the section of the tunnel surrounding rock, shooting the observation points by utilizing digital imaging equipment, transmitting the acquired images to a monitoring computer by utilizing a wireless network and processing the monitored images by the monitoring computer to obtain the measurement data of surrounding rock deformation. The method has the following advantages: by shooting the plurality of observation points on the section of the tunnel surrounding rock, utilizing research methods such as image enhancement, image pre-processing, image recognition and the like and adopting multistage image processing, the contrast is improved, the target margin is sharpened, and the observation points on the surrounding rock become clearer, thus effectively separating the key recognized targets from the tunnel background and then carrying out coordinate positioning and contrast on the processed images; and measurement and early warning can be carried out on surrounding rock deformation quickly, safely and automatically.

The invention discloses a method for measuring the concentricity of copper-coated steel grounding bodies. The method includes the steps of A, performing ultrasonic cleaning on the grounding bodies; B, placing the cleaned grounding bodies on a material placing device, wherein the grounding bodies do not contact with one another; C, by a control system, controlling a mechanical arm to grab one of the grounding bodies to place the same above a production line, wherein the grounding body is suspended; D, arranging at least three non-contact type thickness measuring instrument annularly arranged, allowing each thickness measuring instrument to aim at one testing point on the surface of the grounding body, wherein the testing points are located on the same circumference; E, allowing the thickness measuring instruments to work, transmitting the measured data to the control system, and calculating and analyzing to obtain a result; F, by the mechanical arm, conveying the measured grounding body to a storage device. The method for measuring the concentricity of the copper-coated steel grounding bodies has the advantages that intelligent measuring of the concentricity can be achieved through the grabbing by the mechanical arm and the measuring by the thickness measuring instruments, and efficiency is increased greatly as compared with that of the prior art.

The invention discloses a back-mounted monitoring method for a composite pile. Distributed optical fibers are fixed to the designated position of a PVC pipe; the PVC pipes are bonded and combined into the specified length, then the PVC pipes are inserted into the sounding pipe of the first cast-in-place pile, then the PVC pipes with the distributed optical fibers are inserted into the sounding pipe of the next cast-in-place pile, and the PVC pipes are fixed through grouting of pipe openings of the PVC pipes; and the distributed optical fibers are connected to an optical fiber demodulator, and the stress change in the cast-in-place pile is measured in real time. According to the method, the distributed optical fibers are adopted, the sensitivity is high, the performance is stable, meanwhile, the installation process is simple and easy to implement, new measuring pipes do not need to be additionally arranged, and existing sounding holes in the cast-in-place pile are fully utilized for installation; the method can realize automatic and real-time detection of deformation of a plurality of combined cast-in-place piles, has the advantages of convenience in measurement, high measurement efficiency, small influence of a measurement environment, real-time early warning and the like, realizes an intelligent measurement function, and realizes measurement informatization.