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114results about How to "Expand the detection range" patented technology
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CT imaging system
ActiveCN119224018AExpand the detection rangeHigh precisionComputerised tomographsTomographyRadiologyNuclear medicine
The embodiment of the invention provides a CT imaging system, and relates to the technical field of radiation scanning. The imaging system comprises an imaging channel used for placing a to-be-imaged object in an imaging process; the M distributed ray sources are arranged at intervals in the circumferential direction of the imaging channel, and at least one distributed ray source comprises q target spots; the N detectors are arranged at intervals in the circumferential direction of the imaging channel and comprise first sub-detectors and second sub-detectors; the CT imaging system comprises a plurality of imaging assemblies, each imaging assembly comprises at least one distributed ray source and at least one first sub-detector, in the same imaging assembly, the distributed ray source and the first sub-detector are arranged face to face in the radial direction of the detection channel, and in the same imaging assembly, the distributed ray source and the first sub-detector are arranged face to face in the radial direction of the detection channel. A plurality of target spots of the distributed ray source and at least one part of the first sub-detector are located in the same plane perpendicular to the first direction; in the first direction, at least one side of the at least one distributed radiation source is provided with at least one second sub-detector.
Owner:TSINGHUA UNIVERSITY +1
Rotatable underwater terrain monitoring system
PendingCN119199870AExpand the detection rangeWater resource assessmentAcoustic wave reradiationTerrainSonar
The invention provides a rotatable underwater terrain monitoring system, relates to the technical field of underwater survey sonar, and solves the technical problems that the detection angle of a multi-beam transducer in the prior art is fixed, and a single multi-beam transducer is difficult to meet wide-range underwater terrain monitoring. The device comprises a multi-beam transducer, a rotary holder and a processing module, the rotary holder is connected with the multi-beam transducer, and the multi-beam transducer and the rotary holder are both connected with the processing module; the multi-beam transducer is used for transmitting and receiving sound wave information and transmitting the received sound wave information to the processing module; the rotary holder is mounted on the measuring platform, and the rotary holder can change the detection angle and the detection depth of the multi-beam transducer; and the processing module can control the operation state of the rotary holder, receive the sound wave information and draw a topographic map according to the sound wave information.
Owner:BEIJING HYDRO TECH MARINE TECH CO LTD +2
Large-scale steel pipeline nondestructive testing equipment
PendingCN119555814AImprove fitExpand the detection rangeAnalysing solids using sonic/ultrasonic/infrasonic wavesMaterial analysis by optical meansElectrical batterySteel pipeline
The invention relates to the technical field of pipeline detection, and particularly discloses large steel pipeline nondestructive testing equipment which comprises a horizontally-arranged supporting bottom plate, moving rollers are rotatably mounted on the side face of the supporting bottom plate, and a connecting wire is connected to the upper surface of the rear end of the supporting bottom plate. A battery module is fixedly mounted in the middle of the upper surface of the supporting bottom plate, a mounting seat is rotatably mounted on the upper surface of the battery module, a high-definition camera is rotatably mounted above the mounting seat, and ultrasonic flaw detectors are rotatably mounted on the left side and the right side of the supporting bottom plate. According to the nondestructive testing equipment for the large steel pipeline, novel structural design is adopted, the device moves in the pipeline through rotation of the moving rollers, at the moment, the high-definition camera and the ultrasonic flaw detector are used for detecting the interior of the pipeline, and the high-definition camera shoots images to judge obvious damage in the pipeline; meanwhile, the ultrasonic flaw detector sends out ultrasonic waves to detect the internal dark damage and small damage of the pipeline.
Owner:SHAANXI IND VOCATIONAL & TECH COLLEGE
Ground mineral prediction method based on hyperspectral and geochemical data fusion
PendingCN119575505Areasonable ideaeasy to integrateMolecular entity identificationBiological modelsSensing dataFeature extraction
The invention provides a ground mineral prediction method based on hyperspectral and geochemical data fusion, and the method comprises the steps: carrying out the preprocessing of hyperspectral remote sensing data and geochemical data, and carrying out the feature extraction of the hyperspectral remote sensing data and geochemical data; then, a proper data fusion method is selected to fuse the hyperspectral remote sensing data and the geochemical data, finally, a prediction model is established, and anomaly recognition and target area delineation are carried out. According to the method, hyperspectral and geochemical data can be conveniently fused, the advantages of the two methods are fully utilized, and the efficiency and accuracy of mineral resource exploration can be improved; the method provides support in the aspects of enhancing the recognition capability, expanding the detection range, improving the prediction precision, reducing the exploration cost, increasing the exploration speed, improving the prospecting success rate and supporting sustainable development.
Owner:CHINA GEOLOGICAL SURVEY NATURAL RESOURCES COMPREHENSIVE SURVEY COMMAND CENT
Cleaning robot
PendingCN119235203AExpand the detection rangeaccurate detectionAutomatic obstacle detectionTravelling automatic controlCliffcomputer science
The cleaning robot comprises a robot body and cliff sensors, the cliff sensors are arranged on the side wall of the robot body along the front end, the left side and the right side of a walking path, and the cliff sensors are arranged downwards and outwards in an inclined mode and can send detection signals outwards in an inclined mode. The cliff sensor is arranged on the side wall of the machine body, and the detection range is widened; the cliff sensor adopts the laser TOF principle for detection, is more accurate and reliable, can detect clifts, steps, obstacles and the like, realizes multiple detection functions, saves the types and the number of sensors, and is beneficial to reducing the cost.
Owner:卢远聪
Multidirectional detection device for production of glass fiber reinforced plastic product storage box
PendingCN119437598AEasy to store and placeeasy to transportMeasurement of fluid loss/gain rateConveyorsGlass fiberStructural engineering
The invention relates to the technical field of storage box production detection, in particular to a multi-directional detection device for glass fiber reinforced plastic product storage box production, which comprises a horizontal main frame, and a first electric control conveying belt, a second electric control conveying belt and a third electric control conveying belt which are arranged on the horizontal main frame. According to the multi-directional detection device for production of the glass fiber reinforced plastic product storage box, through variable structural design, the multi-directional detection device can be stored on the two sides of the electric control conveying belt in idle time, no extra space is occupied, and storage, placement and transportation are convenient; a detachable top cover plate and a detachable detection frame are fixed through bolts of a first electric control type lifting seat and a second electric control type lifting seat, so that assembly and disassembly are convenient, and the later use cost is reduced; the air tightness and the load of the storage box are detected by automatically positioning and detecting the storage box on the electric control conveying belt and then pressurizing after top sealing, manual operation is not needed, time and labor are saved, and the conditions of wrong detection and missing detection are avoided.
Owner:JIANGSU BAIZHOU SAFETY TECH CO LTD
Tunnel drilling sound wave emission sound system structure and working method thereof
ActiveCN119266812Afully coupledImprove transmission efficiencySurveyWater resource assessmentGyroscopeAcoustic wave
The invention provides a tunnel drilling sound wave emission acoustic system structure and a working method thereof.The tunnel drilling sound wave emission acoustic system structure comprises an emission dipole, an emission monopole, an integrated circuit structure, a walking encoder, a gyroscope and an emission skeleton assembly, the emission skeleton assembly is provided with a containing cavity, and the emission dipole, the walking encoder, the gyroscope and the emission monopole are arranged in the containing cavity; the transmitting dipole is used for transmitting two directional sound waves, and two sound wave channels are perpendicular to each other; the emission monopole uniformly emits sound waves to the periphery of a drill hole in all directions; the integrated circuit structure is used for controlling the transmitting dipole and the transmitting monopole to transmit different types of sound waves; the walking encoder is used for recording the moving speed of the structure body in the drill hole so as to calculate the position of the structure body in the drill hole at each moment; the gyroscope is used for recording the pointing direction of the structure body so as to obtain the azimuth angle of the geologic body. The structure is ingenious, and the detection range can be widened.
Owner:SHANDONG UNIV
Frequency modulation continuous wave laser radar chip
ActiveCN119414403AImprove ranging accuracyachieve improvementElectromagnetic wave reradiationICT adaptationSignal lightWaveguide
The invention provides a frequency-modulated continuous wave laser radar chip, and relates to the technical field of laser radars, and the frequency-modulated continuous wave laser radar chip comprises a tunable laser, a transmitting optical phased array, a receiving optical phased array, and a balanced photoelectric detector. The tunable laser is used for outputting detection laser signals and realizing wavelength tuning, the transmitting optical phased array is used for transmitting laser signals outwards, the receiving optical phased array is used for collecting light in an external space into an optical waveguide to serve as signal light, and the balance photoelectric detector is used for receiving local light and the signal light. And the optical signal is converted into an electric signal with distance information and speed information of the object, so that distance measurement is realized. According to the invention, the wavelength tuning of the laser radar chip is controlled more finely through the tunable laser, the wavelength tuning is realized, and the ranging precision of the laser radar is improved; and the tunable laser adopts a multi-path semi-reflective array waveguide, so that the ranging stability of the laser radar chip is improved.
Owner:JILIN UNIVERSITY
Deep mineral prediction method based on hyperspectral and geophysical data fusion
PendingCN119598114Aincrease success rateExpand the detection rangeData processing applicationsNeural learning methodsSensing dataMineral Sources
The invention provides a deep mineral prediction method based on hyperspectral and geophysical data fusion, and the method comprises the steps: firstly collecting hyperspectral remote sensing data and geophysical data of a working area, and carrying out the preprocessing of the hyperspectral remote sensing data and the geophysical data; carrying out feature extraction on the hyperspectral remote sensing data and the geophysical data; carrying out fusion processing on the hyperspectral remote sensing data and the geophysical data; and finally, establishing a deep mineral prediction model, training and verifying the deep mineral prediction model, and carrying out deep anomaly recognition and target region delineation. The method is reasonable in conception, the hyperspectral data and the geophysical data can be conveniently fused, the advantages of the two methods are fully utilized, and the efficiency and the accuracy of mineral resource exploration can be improved; the method provides support in the aspects of enhancing the recognition capability, expanding the detection depth, improving the prediction precision, reducing the exploration cost, accelerating the exploration speed, improving the prospecting success rate and supporting sustainable development.
Owner:CHINA GEOLOGICAL SURVEY NATURAL RESOURCES COMPREHENSIVE SURVEY COMMAND CENT
Ultralarge-size metal billet ultrasonic detection method based on multi-probe combination
PendingCN119510564AResolve Sensitivityavoid wastingAnalysing solids using sonic/ultrasonic/infrasonic wavesBackground noiseMaterials science
The invention belongs to the technical field of nondestructive testing, and relates to a high-sensitivity ultrasonic testing method for an oversized metal billet based on multi-probe combination. According to the method, the bimorph longitudinal wave normal probes and the single-wafer longitudinal wave normal probes with different parameters are jointly used, and reasonable selection of detection partitions, detection surfaces and sensitivity adjustment modes is combined, so that high-sensitivity detection of the oversized metal billets with the thickness of 500-1000mm is realized, and meanwhile, relatively high near-surface resolution is ensured. According to the invention, the background noise of the material is reduced, the detection signal-to-noise ratio is improved, effective detection of the metal billet with the maximum thickness of 1m can be realized, the detection sensitivity can reach the equivalent weight of a flat-bottomed hole with the diameter of 1.2 mm, meanwhile, the near-surface resolution is superior to 2-5mm, a large number of reference blocks are not required to be manufactured, the cost is reduced, and field operation is facilitated. According to the method, the problem that ultrasonic detection of the oversized metal billets cannot be detected or the detection sensitivity is low at present can be solved, and an effective means is provided for controlling the internal quality of raw materials for large metal parts.
Owner:AVIC BEIJING INST OF AERONAUTICAL MATERIALS
Underwater target detection method, device and equipment based on distributed array and medium
ActiveCN119224856AExpand the detection rangeElectric/magnetic detectionAcoustic wave reradiationTarget signalTime–frequency analysis
The invention is suitable for the technical field of geophysical exploration, and provides an underwater target detection method based on a distributed array, and the method comprises the steps: collecting horizontal four-component electromagnetic data of a target sea area through distributed array detection nodes disposed at the seabed of the target sea area, performing signal enhancement on each piece of collected horizontal four-component electromagnetic data by adopting a preset signal enhancement strategy, performing time-frequency analysis on the enhanced horizontal four-component electromagnetic data to obtain a time-frequency analysis spectrum, and determining whether an underwater target appears or disappears in the target sea area according to the time-frequency analysis spectrum. Therefore, enhancement of target signals in an ocean noise environment is realized, the detection range of a current seabed distributed array detection system is enlarged, and the capability of detecting underwater targets is improved.
Owner:SOUTHERN UNIVERSITY OF SCIENCE AND TECHNOLOGY
Field end sensing guide type autonomous battery swap station system and autonomous battery swap method
ActiveCN119261816Alow costImprove universalityCharging stationsElectric propulsion mountingSimulationParking space
The invention provides a field end sensing guide type autonomous battery swapping station system and an autonomous battery swapping method. A battery swapping station performs environment modeling on a related area in the battery swapping station by controlling the angle of a holder and acquiring and receiving laser radar data and camera data, performs license plate recognition on a vehicle, and performs modeling and positioning on the vehicle in control; other obstacles in the environment are detected; automatically generating a map according to the environment model, and performing queuing and scheduling control on vehicles in the battery swap station by using the map; during environment modeling, the holder is controlled to perform global scanning, and during parking control, the holder is controlled to enable the laser radar and the camera to keep following a controlled vehicle; generating a track of the controlled vehicle from the position of the controlled vehicle to the parking space or the battery replacement area, and obtaining a parking control instruction; and the vehicle receives the parking control instruction of the battery swap station for remote execution, and feeds back the state of the vehicle, so that the labor cost and the time cost are reduced, and an efficient and low-price field end sensing and control scheme is realized.
Owner:SHANGHAI JIAOTONG UNIV
Power cable buffer layer defect detection equipment and detection method
ActiveCN119470001AGuaranteed accuracyGuaranteed reliabilityMaterial strength using steady bending forcesMaterial thermal analysisPower cableStructural engineering
The invention discloses power cable buffer layer defect detection equipment and a detection method, and relates to the field of cables. The invention provides power cable buffer layer defect detection equipment which comprises a base, clamping mechanisms are fixedly connected to the two sides of the front surface of the base, and a supporting plate is fixedly connected to the side, perpendicular to the clamping mechanisms, of the front surface of the base. According to the invention, the position and state of the cable under different bending can be determined through the signal of the travel switch, so that information about the performance and defects of the cable is provided, and when the mechanical motion reaches a specified position, the travel switch sends the signal and can stop moving according to the signal, so that the bending rod is ensured to stop at a required position; according to the method, the stress condition of the cable under different bending degrees can be analyzed by observing the wrinkle condition of the back surface of the cable, so that various factors causing the defects of the buffer layer can be obtained.
Owner:STATE GRID CORPORATION OF CHINA +2
Latex enhanced immunoturbidimetry detection reagent and application thereof
ActiveCN119438563AImprove pass rateSimple processTransmissivity measurementsBiological testingAntiendomysial antibodiesActive agent
The invention discloses a latex enhanced immunoturbidimetry detection reagent, and relates to the technical field of medical detection. Comprising the following components: an inorganic salt, a chelating agent, a coagulant, an excipient, a nonionic surfactant, an antibiotic, a preservative, an antibody stabilizer, a suspending aid, latex microspheres labeled with antibodies, high-purity liquid paraffin, amphoteric organic ionic salt, amino-terminated water-soluble hyperbranched polyamide, 1, 2-propylene glycol, a dispersant, a dispersant, a dispersant, a dispersant, a dispersant and a dispersant. The kit comprises 1, 3-bis ((trihydroxymethyl) methylamino) propane, hexahydro-1, 3-bis ((trihydroxymethyl) methylamino) propane, hexahydro-1, 3-s-triazine and a buffer solution. The latex enhanced immunoturbidimetric detection reagent is good in stability, high in repeatability, good in sensitivity and long in shelf life.
Owner:JIANGSU RONGSHENG JIAMEI BIOREAGENTS CO LTD
Gas concentration monitoring and early warning device for gas extraction
ActiveCN222333851Ureduce usageExpand the detection rangeMining devicesGas removalEnvironmental engineeringGas concentration
The utility model discloses a gas concentration monitoring and early warning device for gas extraction, which belongs to the technical field of gas extraction and comprises a carrying trolley and a gas concentration detector, a clamping device used for clamping the gas concentration detector is fixed above the carrying trolley, wheels which are symmetrically distributed are fixed on the clamping device, and the wheels are fixed on the carrying trolley. The clamping device comprises an adjusting assembly, symmetrically-distributed clamping plates are fixed to the adjusting assembly, wheels are fixed to the clamping plates, the carrying trolley comprises a supporting base, supporting legs distributed in an array mode are fixed to the lower portion of the supporting base, and trundles are fixed to the lower portions of the supporting legs. According to the gas concentration monitoring and early warning device disclosed by the utility model, the clamping device and the wheels arranged on the clamping device are arranged, so that the carrying trolley can be controlled to automatically run in a mine, and the gas concentration monitoring and early warning device can detect the gas concentration in a moving process, so that the use number of gas concentration detectors can be reduced; and the optimal gas mining position can be accurately judged.
Owner:HUAINAN TENGXIAO BIOTECHNOLOGY CO LTD
Road and bridge concrete monitoring device
ActiveCN222166944UEasy to move up and downExpand the detection rangeAnalysing solids using sonic/ultrasonic/infrasonic wavesElectric/electromagnetic audible signallingElectric machineryScrew thread
Owner:SHANDONG ANSHUNDA ROAD & BRIDGE ENG CO LTD
Control cable comprehensive detection device based on multi-parameter fusion
PendingCN119245727AEasy to disassembleeasy to switchMeasurement apparatus componentsFault location by conductor typesControl engineeringStructural engineering
The invention relates to the technical field of control cable comprehensive detection, in particular to a control cable comprehensive detection device based on multi-parameter fusion, which comprises a bottom mounting seat, arc-shaped housings are movably assembled on two side walls of the bottom mounting seat, and communicated arc-shaped transition grooves are symmetrically formed in the inner side surfaces of the arc-shaped housings; and built-in electric control driving detection blocks are assembled in the arc-shaped transition grooves in the two sides of the bottom mounting seat in a staggered manner. According to the control cable comprehensive detection device based on multi-parameter fusion, the detachable structural design is adopted, so that the device can be conveniently assembled and disassembled, and different control cables can be conveniently switched; by adopting a two-side overturning and clamping mode, the assembling stability and firmness of the control cable are improved; and by means of the self-stabilization type structural design, the installation stability of the equipment can be improved.
Owner:GUANGDONG POWER GRID CO LTD DONGGUAN POWER SUPPLY BUREAU
Wind tunnel probe test coordinate frame device
ActiveCN224136843UExpand the detection rangeensure completenessAerodynamic testingClassical mechanicsStructural engineering
The utility model provides a wind tunnel probe test coordinate frame device, which belongs to the field of wind tunnel tests and comprises two fixing plates, an adjusting block is provided with a coordinate displacement assembly capable of flexibly changing the coordinate position of a wind tunnel probe, and the adjusting block is provided with an adjusting block. The coordinate displacement assembly is provided with a rotating assembly which is used for rotating the wind tunnel probe so that the wind tunnel probe can adapt to the measurement requirement of the non-direct wind direction. According to the utility model, through the coordinate displacement assembly and the rotating assembly, during use, the position of the probe adjusting block is adjusted through rotation of the second screw rod, so that the probe adjusting block slides and displaces in the second sliding adjusting block, thereby enlarging the detectable range of the wind tunnel probe; the probe can be flexibly positioned to any position of the wind tunnel by adjusting the probe, and the angle of the probe clamp can be adjusted through the hinge design, so that the angle of the wind tunnel probe is changed.
Owner:SHENYANG NEWLIN ELECTRONICS CO LTD
On-chip integrated spectral measurement method and device based on quantum-induced coherence
This invention provides an on-chip integrated spectral measurement method and apparatus based on quantum-induced coherence. The method includes: introducing pump light into one or more surface waveguide channels; the pump light undergoes spontaneous parametric down-conversion in a first nonlinear region within the corresponding surface waveguide channel, generating a first probe light and a first signal light entangled with it. Within the microfluidic control, the first probe light undergoes resonant absorption upon interaction with the sample under test. The resulting mixed light enters a second nonlinear region at the rear end of the surface waveguide channel to establish quantum coherence. After scanning the refractive index of each surface waveguide channel through a modulation element, a quantum interference signal characterizing the spectral information of the sample under test is formed on the signal light probe at the exit of each surface waveguide channel. This method not only achieves non-contact spectral measurement but also offers a wide detection range and high accuracy.
Owner:ZHEJIANG UNIV
Drone signal receiving device and communication base station
The utility model relates to communication field discloses a kind of unmanned aerial vehicle signal receiving device and communication base station, unmanned aerial vehicle signal receiving device includes: body, body includes processor;With the first omnidirectional antenna, second omnidirectional antenna and third omnidirectional antenna of body connection, wherein the angle between the first omnidirectional antenna, second omnidirectional antenna and third omnidirectional antenna is in the range of 60 degrees to 120 degrees.The utility model can ensure that the antenna lobe diagram after superposition is close to spherical by the combination of at least three omnidirectional antennas arranged in different directions, so as to reduce the detection blind area, expand the detection range, to realize the effective tracking and supervision of unmanned aerial vehicle.
Owner:TIANYI TRANSPORTATION TECH CO LTD
System and method for online monitoring of radiation status of radioactive material storage container
ActiveCN114924306Beasy disposalshort integration timePortable shielded containersX/gamma/cosmic radiation measurmentNuclear engineeringRadioactive agent
The invention discloses an online monitoring system and method for the radiation status of a radioactive material storage container, and relates to the technical field of nuclear radiation monitoring. The online monitoring system for the radiation status of a radioactive material storage container comprises a detector, an FPGA chip, a communication module, a server and a user terminal; the detector is used to output a pixel matrix containing a radiation response signal and the position information of a target storage container; the FPGA chip is used to characterize the pixel matrix output by the detector as the radiation dose rate of the radioactive material; the server is used to store and display real-time radiation dose rate data and detector position data on the one hand, and to adjust the operating parameters of the FPGA chip on the other hand, and to send real-time radiation dose rate data to the outside on the other hand. The present invention adopts a non-destructive detection method to monitor the status of a radioactive material storage container online, and can inform the user through the user terminal at the first time of a nuclear leak.
Owner:NANHUA UNIV
A frequency modulated continuous wave laser radar chip
ActiveCN119414403BImprove ranging accuracyachieve improvementElectromagnetic wave reradiationICT adaptation
The present invention proposes a frequency modulated continuous wave laser radar chip, which relates to the field of laser radar technology. The frequency modulated continuous wave laser radar chip includes: a tunable laser, a transmitting optical phased array, a receiving optical phased array and a balanced photodetector; the tunable laser is used to output a detection laser signal and realize wavelength tuning, the transmitting optical phased array is used to transmit laser signals outward, the receiving optical phased array is used to collect light from the outer space into an optical waveguide as signal light, and the balanced photodetector is used to receive local light and signal light, and convert the optical signal into an electrical signal with distance information and speed information of the object to realize ranging. The present invention uses a tunable laser to achieve more precise control of the wavelength tuning of the laser radar chip, realize wavelength tunability, and improve the ranging accuracy of the laser radar; the tunable laser uses a multi-path semi-reflective array waveguide to improve the stability of the laser radar chip ranging.
Owner:JILIN UNIVERSITY
Multi-view-field optical device
ActiveCN222280944UExpand the detection rangeImprove target detection accuracyTelescopesBeam splitterLight beam
The utility model discloses a multi-view-field optical device, which is characterized in that a main reflecting mirror is provided with an arc-shaped reflecting surface, and the bottom of the main reflecting mirror is provided with a through hole; the secondary reflecting mirror is arranged in a converging emergent light path of the primary reflecting mirror, and an emergent light path of the secondary reflecting mirror penetrates through the through hole of the primary reflecting mirror; the adjusting mirror group is arranged on the outer side of the converging focus of the secondary reflecting mirror and is used for reducing the divergence angle of emergent light of the secondary reflecting mirror; the at least one bias spectroscope is arranged in an emergent light path of the adjusting lens group and is used for transmitting a light beam of a first preset wave band and reflecting a light beam of a second preset wave band; the at least two detectors are respectively a first detector and a second detector which are respectively corresponding to a light beam of a first preset wave band and a light beam of a second preset wave band, and the view field sizes of the first detector and the second detector are different. According to the technical scheme provided by the invention, coexistence of the large-view-field detection system and the small-view-field detection system is realized, and the large-view-field detection system and the small-view-field detection system can work at the same time without mutual interference.
Owner:南京瑞思光电技术有限公司 +1
Lens structure applied to doorbell
ActiveCN224216896Uquick releaseAvoid installation risksClosed circuit television systemsMountingsDoorbellLever pressing
The utility model belongs to the technical field of lenses, and discloses a lens structure applied to a doorbell, which comprises a lens and a dismounting assembly, and one side of the lens is fixedly connected with an elastic chuck; the dismounting assembly comprises an annular seat and a knob, the knob is rotatably mounted on the annular seat, an insertion groove is formed in the annular seat in the radial direction of the annular seat, a movable rod is slidably inserted into the insertion groove, a pressing rod is fixedly connected to the lower end of the movable rod, and the lower end of the pressing rod slidably penetrates out of an inner ring of the annular seat; according to the lens dismounting device, the dismounting assembly comprises the annular seat and the knob, the elastic clamping head can be extruded to realize quick dismounting of the lens only by rotating the knob and utilizing the transmission of the gradual change bulge to the movable rod and the pressing rod, additional tools are not needed, the operation efficiency is remarkably improved, and the mounting risks such as screw slipping are avoided.
Owner:TIANJIN AISHI KAI RUI TECH DEV CO LTD
Hybrid baseline based lightning location method and system
ActiveCN116359617BAchieve positioningImprove detection efficiencyElectromagentic field characteristicsICT adaptationThunderstormEngineering
This invention belongs to the field of lightning detection technology, specifically relating to a lightning location method and system based on hybrid baselines. It aims to solve the problem that existing technologies cannot integrate short-baseline and long-baseline lightning detection data, thus failing to achieve hybrid baseline lightning location. The invention includes: real-time acquisition, labeling, and compression of lightning electromagnetic pulse waveform data by long- and short-baseline electromagnetic pulse detection devices; real-time transmission of the compressed lightning electromagnetic pulse waveform data to a data processing center station; decompression and filtering of the lightning electromagnetic pulse waveforms at the data processing center station; and calculation of the accurate arrival time of the signal at each detection device at the data processing center station; and calculation of the lightning event location using a time-difference positioning algorithm at the data processing center station. This invention can significantly improve the detection range, efficiency, and positioning accuracy of existing lightning electromagnetic pulse detection systems, and is suitable for low-cost, large-area lightning event detection, especially for accurate real-time detection of thunderstorm activity in offshore areas.
Owner:INST OF ELECTRICAL ENG CHINESE ACAD OF SCI
Radar support, radar assembly and automobile
ActiveCN222645927UExpand the detection rangeWave based measurement systemsVehicle componentsRadarGear wheel
The utility model discloses a radar support which comprises a first end and a second end along a first direction. The first end of the radar support is used for being rotationally connected with an external installation part. The second end of the radar support is provided with a first gear, the first gear is used for being in transmission connection with an external second gear, and the second gear can drive the first gear to rotate so as to drive the radar support to rotate around the first direction relative to the external mounting part. The radar support can rotate around the first direction relative to the external installation part, the detection angle of the radar body is adjusted, and the detection range is expanded. The utility model further provides a radar assembly and an automobile.
Owner:CONTINENTAL ZHIXING TECH (SHANGHAI) CO LTD
Unmanned aerial vehicle detection method and device based on radio component
ActiveCN119508690AExpand the detection rangeRopes and cables for vehicles/pulleyHeight/levelling measurementDrive wheelUncrewed vehicle
The invention discloses an unmanned aerial vehicle detection method and device based on a radio assembly, and the device comprises a supporting assembly which is provided with a connecting part and a supporting part, the connecting part is used for being connected with a fixed object, and the supporting part is used for supporting a steel wire rope; the moving mechanism comprises a shell, a hanging part and a wireless assembly, the hanging part comprises a transverse plate and a vertical plate, the transverse plate and the shell are connected through the vertical plate, driving wheels are arranged on the lower surface of the transverse plate, balls are arranged on the upper surface of the shell, the driving wheels and the balls are used for clamping the steel wire rope, and the wireless assembly is arranged on the shell. The driving wheel is connected with a power element so as to drive the moving mechanism to move on the steel wire rope, and the radio assembly is arranged in the shell and used for detecting radio signals of the unmanned aerial vehicle. According to the invention, the detection range of the unmanned aerial vehicle can be expanded.
Owner:BEIJING RUIDAEN TECH CO LTD
High-precision three-axis magnetic field probe equipment
ActiveCN222527295UExpand the detection rangeStands/trestlesMagnitude/direction of magnetic fieldsMechanical engineeringAtomic physics
The utility model discloses high-precision three-axis magnetic field probe equipment, and relates to the technical field of magnetic field probe equipment, the high-precision three-axis magnetic field probe equipment comprises a detection table, the upper surface of the detection table is slidably connected with a carrier plate, the detection table is connected with a driving mechanism used for driving the carrier plate to slide in the X-axis, Y-axis and Z-axis directions, and the carrier plate is in swing connection with a placement plate; the carrier plate is connected with a swing assembly for driving the placing plate to swing, and the placing plate is connected with a magnetic field probe. The driving mechanism drives the carrier plate to move in the X-axis direction, the Y-axis direction and the Z-axis direction, that is, the magnetic field probe moves along with movement of the carrier plate, and the magnetic field probe can conveniently detect a magnetic field where an object cannot be located. The swing assembly drives the placing plate to swing, that is, the magnetic field probe swings along with swing of the placing plate, so that the magnetic field probe is obliquely arranged relative to the placing plate, and the detection range of the magnetic field probe is widened.
Owner:BEIJING DATONG HI-TECH ELECTRONIC TECH CO LTD
CT imaging system
ActiveCN119224018BExpand the detection rangeHigh precisionComputerised tomographsTomographyRadiologyNuclear medicine
An embodiment of the present invention provides a CT imaging system, which relates to the field of radiation scanning technology. The imaging system includes: an imaging channel for placing an object to be imaged during the imaging process; M distributed ray sources arranged at intervals along the circumference of the imaging channel, at least one distributed ray source including q target points; N detectors arranged at intervals along the circumference of the imaging channel, including a first sub-detector and a second sub-detector; the CT imaging system includes a plurality of imaging components, the imaging components including at least one distributed ray source and at least one first sub-detector, in the same imaging component, the distributed ray source and the first sub-detector are arranged face to face in the radial direction of the detection channel, and the multiple target points of the distributed ray source and at least a part of the first sub-detector are located in the same plane perpendicular to the first direction; in the first direction, at least one side of at least one distributed ray source is provided with at least one second sub-detector.
Owner:TSINGHUA UNIVERSITY +1
Broadband and wide-angle sound wave retroreflection structure based on acoustic channel array
PendingCN119125317AExpand the detection rangeAnalysing solids using sonic/ultrasonic/infrasonic wavesUltra-widebandSound wave
The invention belongs to the technical field of acoustic sensing and detection, and provides a broadband and wide-angle sound wave retroreflection structure based on an acoustic channel array, which aims at solving the problems that the effective incident angle of the existing sound wave retroreflection device is smaller, the working frequency band is narrower, the working environment is limited and a plurality of frequency bands cannot be detected, and comprises a plurality of ultra-wideband sound wave retroreflection structure units, each unit comprises three U-shaped acoustic channels of nested structures, protruding structures are arranged in the acoustic channels, and the opening ends of all the ultra-wide-band sound wave retroreflection structure units are located on the same plane, so that the tops of all the ultra-wide-band sound wave retroreflection structure units are flush, and the retroreflection effect of sound waves can be achieved; according to the invention, most sound waves of audible sound frequency bands which can be heard by human ears can be covered, and the device has the characteristics of wide frequency band and wide-angle working, can detect sound waves which are incident at different frequencies and in different directions, and increases the detection range.
Owner:TAIYUAN UNIVERSITY OF TECHNOLOGY