Patents
Literature
14results about How to "Reduce external distractions" patented technology
Efficacy Topic
Property
Owner
Technical Advancement
Application Domain
Technology Topic
Technology Field Word
Patent Country/Region
Patent Type
Patent Status
Application Year
Inventor
Dual wire feed integrated assembly automated system and method of assembly
ActiveCN121199652BImprove circulation efficiencyhigh degree of automationAssembly machinesTotal factory controlControl engineeringMachine
The application provides an automatic system and an assembling method of double-line supply integrated assembly, which comprises a first supply line and a second supply line, the first supply line and the second supply line are collected to a positioning assembly output line through a robot taking materials, the first supply line comprises a multi-axis running feeding machine and a secondary positioning platform in sequence, the second supply line comprises a flying feeder, an adsorption material taking device, a clamping material taking device, a point laser height measuring instrument and an upper visual positioning scanning module are arranged on an execution end of the robot, the positioning assembly output line comprises a lower visual positioning module and a product circulation mechanism in sequence, a positioning installation station is arranged on the product circulation mechanism, a material positioning module and a material blocking module are arranged at the positioning installation station, and the execution end of the robot is matched with the flying feeder, the secondary positioning platform, the lower visual positioning module and the positioning installation station in sequence. Through the double-line supply cooperation, multi-stage visual positioning and full-process automation design, the efficiency bottleneck and the precision problem in the assembly of special-shaped parts are effectively solved.
Owner:SHENZHEN HUAHAIDA TECH
Coal mine tunnel geological exploration device
ActiveCN224067009Uguaranteed collectionreduce external distractionsMagnetic/electric field screeningElectric/magnetic detectionMobile vehicleMining engineering
The utility model discloses a coal mine tunnel geological exploration device which comprises a mobile vehicle body, a coal mine tunnel inner cavity electromagnetic exploration unit and an outer shielding shell, in the using process of the coal mine tunnel geological exploration device, a horizontal probe is installed in a horizontal transmitting tube, and the horizontal transmitting tube can effectively reduce external interference before signals are released; the horizontal probes which are annularly and uniformly distributed effectively transmit signals, and in order to reduce interference of external metal objects in the horizontal direction, the magnetic detection module installed on the surface of the horizontal transmitting tube can detect the metal objects in the surrounding area, so that the influence of the metal objects in the surveying area on surveying data in the horizontal direction is effectively reduced; due to the fact that the included angles formed by the first launcher, the second launcher and the third launcher change, the signal launching position interval is increased, the position and the water yield property of the geological anomalous body in front can be effectively deduced through multi-angle observation, the problem that the signal position is single in the surveying process is solved, and roadway geological surveying data collection is further guaranteed.
Owner:SHAWAN BAOYING COAL CO LTD
A method for precisely controlling thickness difference of float glass
PendingCN122586327Astable temperature environmentreduce external distractions
The present application relates to the technical field of float glass preparation, and specifically discloses a method for precisely controlling the thickness difference of float glass, comprising the following steps: S10, constructing a multi-layer composite heat preservation structure outside the water tank in the high-temperature zone of the tin tank of a float glass production line; S20, collecting the process parameters of the tin tank in real time, including the temperature field distribution, pressure parameters and the geometric parameters of the glass ribbon; S30, processing the process parameters using a field-adaptive deep learning algorithm to generate a control signal for the edge puller; S40, adjusting the angle, speed, strength and position parameters of the edge puller according to the control signal; S50, repeating steps S20 to S40 to form a closed-loop control cycle, and when the thickness difference of the glass is stabilized within the required range, entering a maintenance mode to reduce the calculation load. A stable temperature environment is provided by the heat preservation structure, the algorithm fully learns the special rules of glass forming, the glass process characteristics are deeply integrated into the control system design, and the precise control of the thickness difference is achieved.
Owner:耀华(宜宾)玻璃有限公司
An electroencephalogram signal processing method and device based on a non-invasive brain-computer interface
This invention provides a method and apparatus for processing electroencephalogram (EEG) signals based on a non-invasive brain-computer interface, belonging to the field of medical device technology. Specifically, it includes: determining an identification and processing scheme for the EEG signal staging model of the target based on the variation of amplitude data of the electrodes of the target, combined with the risk of variation of the amplitude data of the target's electrodes and the similarity to other targets, as well as signal-stable electrodes; determining the interference risk type and location of the target based on the deviation data of the EEG signal staging results between different identification and processing schemes; and determining the processing method for the EEG signal at the location of the interfering electrode based on the similarity of the identification and processing schemes with identification deviations in each target, and the interference risk type of the target. This improves the accuracy of sleep staging results.
Owner:松研科技(杭州)有限公司
Injection oil cylinder for injection molding machine
The utility model discloses an injection oil cylinder for an injection molding machine, which comprises an oil cylinder and a piston rod, and the piston rod can extend into the oil cylinder and can move along the central axis of the piston rod in the oil cylinder; end covers are arranged at the two axial ends of the oil cylinder, so that a sealed oil cavity is formed in the oil cylinder; any end cover is connected with a displacement sensor, and the displacement sensor comprises a sensor connecting rod capable of extending into the oil cylinder; moreover, a position magnetic block capable of being matched with the sensor connecting rod is arranged at the end, close to the sensor connecting rod, of the piston rod, the position magnetic block and the piston rod move synchronously, and the displacement sensor outputs displacement signals of the piston rod by detecting magnetic field changes caused by movement of the position magnetic block. According to the utility model, the displacement sensor is directly integrated on the end cover of the injection oil cylinder, the structure is compact, the size of the whole device is reduced, and the installation space is saved; the device is compact in structure, high in measurement precision, strong in anti-interference capability and convenient to install and maintain.
Owner:FUQIANGXIN (NINGBO) PRECISION TECH CO LTD
Portable electrochemical impedance detection auxiliary device and control method
ActiveCN117571782BSimple electrode loading and unloadingSimple human-computer interactionMaterial impedanceMaterial electrochemical variablesTemperature controlElectromagnetic shielding
The application belongs to the technical field of frequency domain measuring devices, and discloses a portable electrochemical impedance detection auxiliary device and a control method, which comprises a shell, the shell has a shielding function, the shell is internally provided with a power supply module, a main control module, a temperature control and electrode chamber module, and an impedance detector connection module, the surface of the shell is provided with a man-machine interaction module and an impedance meter connection terminal, the power supply module is used for supplying power to the whole device, the temperature control and electrode chamber module and the man-machine interaction module are electrically connected with the main control module, the main control module is used for transmitting information with the man-machine interaction module, and the temperature control and electrode chamber module is controlled to perform a constant temperature and variable temperature task at a fixed time. The application optimizes electrode wiring, constant temperature and variable temperature operations into simple electrode loading and unloading and man-machine interaction, and reduces the complexity of operation. The device integrates temperature control, electrode connection, electromagnetic shielding and other functions, and better guarantees the accuracy and stability of impedance measurement signals.
Owner:ZHEJIANG UNIV
Testing device for electromagnetic valve and pneumatic control valve
ActiveCN224176095UOptimize layoutreduce external distractionsMachine valve testingSolenoid valvePower switching
The utility model provides a testing device for an electromagnetic valve and a pneumatic control valve, and belongs to the technical field of valve performance detection. Comprising a bottom plate and a housing, and the housing and the bottom plate are fixedly connected to form a closed structure; a power switch, a power fuse and a counting reset key are arranged at the top of the housing, and a control part extends out of the housing; at least one electromagnetic valve switch is arranged at the upper part of the front of the housing, a pause key, a start key and a time relay are arranged in the middle of the front, and operation interfaces of the keys and the relay are exposed out of the surface of the housing; a power supply and an intermediate relay are fixed at the upper part of a closed space formed by the bottom plate and the housing, a binding post is arranged in the middle, at least one group of electromagnetic valves are mounted at the lower part, and a mouthpiece of each electromagnetic valve extends out of the housing. According to the utility model, through modular design, each solenoid valve can be controlled according to requirements to realize on-off tests and long-time fatigue tests of various pneumatic control valves or solenoid valves, and the problems of low test efficiency and insufficient safety in the prior art are solved.
Owner:SINOL MEDICAL EQUIP GRP CO LTD
Anti-interference Beidou high-precision positioning terminal
ActiveCN224203430UImprove practicalityreduce mistakesMagnetic/electric field screeningSatellite radio beaconingInterference resistanceRadio frequency signal
The utility model relates to the technical field of positioning terminals, and discloses an anti-interference Beidou high-precision positioning terminal, which comprises a positioning terminal main body, and a telescopic antenna is arranged at the upper end of the positioning terminal main body. When the anti-interference Beidou high-precision positioning terminal is used, noise reduction processing is carried out on an original signal through the digital filtering module, in combination with cooperative work of the Beidou positioning module and the radio frequency signal module, it is ensured that positioning data are accurate and reliable, errors are reduced, meanwhile, through the arrangement of the anti-interference assembly, the electromagnetic wave absorption layer absorbs stray electromagnetic waves in the environment, and the positioning accuracy is improved. The high electromagnetic shielding layer obstructs the interference of an external strong electromagnetic field, the anti-falling elastic buffer layer reduces the influence of physical vibration on an internal circuit, and triple protection ensures that signals are pure, so that signal attenuation and external interference in a complex electromagnetic environment can be effectively weakened, the positioning precision is improved, and the practicability of the anti-interference Beidou high-precision positioning terminal is improved.
Owner:SHENZHEN JIAMEISHI TECH CO LTD
Distribution line branch fault point positioning method
PendingCN121955608AEasy to implementImprove practicalityFault locationInformation technology support systemFault toleranceTopological graph
The invention provides a distribution line branch fault point positioning method, and the method comprises the steps: installing traveling wave positioning terminals of a power distribution network at the two ends of each line in a distributed manner for fault positioning according to the head-end single-end traveling wave fault positioning distance measurement; a traveling wave positioning terminal of a power distribution network at the head end is used for single-end traveling wave fault positioning and double-end traveling wave fault positioning, other terminal devices are used for double-end traveling wave fault positioning, during positioning, a plurality of fault points are determined according to a distance measurement result and a topological graph model, and then fault point positions are determined according to the plurality of fault points and a distributed traveling wave positioning device. Comprehensively judging a fault point of the branch line, and finally checking the fault point; the method is small in external interference, high in error-tolerant rate, easy to implement, convenient and effective, and has high engineering application value.
Owner:ZHAOAN COUNTY POWER SUPPLY CO OF STATE GRID FUJIAN ELECTRIC POWER CO LTD +1
Host antenna with adjusting structure
ActiveCN224153578URealize telescopic adjustment functionRealize protection and anti-interference functionAntenna supports/mountingsAntenna couplingsStructural engineeringMechanical engineering
Owner:WUHAN LINGDAI TECH CO LTD
An antenna turret
ActiveCN224472677UHighly flexible adjustmentPrecise control of pitch angleAudio power amplifierFrequency mixer
The utility model discloses a kind of antenna rotating frame, including bottom elevator, pitch platform and the antenna rotation mechanism being set in the side surface of pitch platform. Antenna rotation mechanism includes mounting bracket, rotating platform, selector, installation platform, fixing part, waveguide coaxial adapter, directional coupler and standard gain horn antenna. Elevator adjustable height, pitch platform can adjust pitch angle, rotating platform and pitch platform are coaxial rotation by bearing, selector drives installation platform to rotate around its own axis, realize multidimensional adjustment. Fixing part is annular collar, and multiple components adopt coaxial design, and signal transmission stability is ensured by flange, thread etc. Local oscillator amplifier and reference frequency mixer are equipped on the side surface of elevator, power amplifier is equipped on the side surface of pitch platform, realize integrated layout, improve signal transmission efficiency and stability, adapt to multiple scene needs.
Owner:成都华兴汇明科技有限公司
Letter sorting machine control system based on EtherCAT double-link redundancy
PendingCN121857503AEnsure normal communicationAvoid unplanned downtimeProgramme controlComputer controlMachine controlLogistics management
The invention provides a letter sorting machine control system based on EtherCAT double-link redundancy. The letter sorting machine control system comprises a main controller, a redundancy switching unit, a distributed slave station and branch control module, a belt transmission module and a grid display module. The main controller adopts multi-core CPU function isolation, binds different tasks to corresponding cores and allocates execution cycles; the redundancy switching unit constructs a double-link annular redundancy network, automatic switching is achieved when links are abnormal, and communication stability is guaranteed; the distributed slave stations are provided with terminal modules according to needs, are integrated in slave station boxes and are flexibly connected to execution components of all functional areas. And the lattice display module adopts a group leader-group member structure, so that the load of a main network is reduced. The system sets priorities for EtherCAT network groups based on signal real-time performance, realizes IO signal rapid response, and supports flexible expansion of slave station boxes. The reliability, the real-time performance and the expansibility of letter sorting control are improved, the method is suitable for a high-speed sorting scene, and the efficient operation requirement of the postal logistics industry is met.
Owner:CHINA POST SCI & TECH
Three-in-one switch test tool equipment
ActiveCN224263344UImprove controllabilityEliminate efficiency bottlenecks caused by separationEnergy saving control techniquesMeasurement instrument housingStopwatchSound sources
The utility model discloses three-in-one switch test tooling equipment, which comprises a console, a test box and a test assembly, a positioning seat and an ejector pin assembly are arranged in the test box, the test assembly comprises a sound source generator, a light source generator and an infrared generator which are arranged in the test box, and a timer and a load indicating lamp which are arranged outside the test box, the three-in-one switch testing tool equipment adopting the technical scheme is provided with a sound source / light source / infrared generator and a timing system, a closed testing box body is constructed, it is ensured that testing conditions are accurate and controllable, external interference is reduced, the testing requirements of infrared switches, acousto-optic switches and light touch delay switches can be met, and the testing efficiency is improved. The efficiency bottleneck caused by discrete special equipment in the traditional test is eliminated, the test platform is unified, the test efficiency is improved, the test cost is reduced, human errors are reduced, and the product quality is improved.
Owner:ZHEJIANG DELIXI ELECTRIC APPLIANCE
Multi-axis motor position synchronization control method and device based on model reference control
The application provides a multi-axis motor position synchronization control method and device based on model reference control. The method comprises the following steps: providing a unified main position instruction signal to a position loop reference model and a servo control system corresponding to a servo control axis to be synchronized, and generating a reference position trajectory; for any servo control axis of a plurality of servo control axes that need to be synchronized, the following position synchronization compensation control is performed: the current actual position of the servo control axis is acquired in real time, and the position synchronization deviation of the current actual position and the reference position trajectory is calculated; the position synchronization deviation is input into a position synchronization deviation compensator to calculate a speed compensation value and a torque compensation value; and the position of the servo control axis is compensated based on the speed compensation value and the torque compensation value. The application improves the synchronization accuracy of the multi-axis servo system based on the model reference control and the dynamic deviation compensation mechanism, reduces the dependence on communication by running the synchronization algorithm inside the driver, can compensate the position synchronization deviation more quickly, and improves the real-time performance and system stability.
Owner:SHANGHAI RUJING AUTOMATIC CONTROL SYST CO LTD