74results about How to "Reduce detection efficiency" patented technology

The invention belongs to the technical field of circuit board manufacturing and detecting, and particularly relates to a circuit board detecting device and method.The device comprises a workbench, two visual detecting heads arranged on the workbench, a feeding rotary table, a lifting table and a rotary table, the feeding rotary disc is rotationally installed on the upper surface of the workbench, at least six material carrying holes are distributed in the feeding rotary disc in a circumferential array mode, the inner walls of the material carrying holes are in a step shape, material carrying molds are inserted into the steps, and clamping channels are formed in the two sides of each material carrying mold. The upper surface of the workbench is sequentially divided into a lower surface detection area, an upper surface detection area, an X-ray detection area and a live detection area around the feeding turntable; the method comprises steps 1-6. Detection can be carried out in four areas through the same material carrying die, particularly, horizontal clamping and transferring of the circuit board are kept, the deviation correction performance is good in the double-face continuous rapid detection process, and surface electronic elements are not damaged in the whole process.

The invention discloses a detection device based on electric power energy storage, which comprises a base, a rectangular shell is fixedly connected to the base, supporting grooves are formed in symmetrical positions on two sides of the rectangular shell, and rectangular sliding blocks moving horizontally are movably connected to the inner walls of the supporting grooves on two sides. Fixed plates are fixedly connected to the two rectangular shells, guide rails are fixedly connected to the symmetrical positions of the two sides of each fixed plate, and a movable plate for placing electric energy storage equipment is movably connected to the two guide rails on each side; the inner wall of the rectangular shell is communicated and is rotatably connected with a cylindrical block driven by a power mechanism to rotate through a fixed shaft, the outer contour of the cylindrical block is provided with cam grooves for driving the electric energy storage devices on the moving plates on the two sides to move in a staggered and reciprocating mode, the electric energy storage devices can be continuously detected, and the detection efficiency is improved.

The embodiment of the invention provides a discharging auxiliary device for laser cladding operation and an auxiliary method thereof.The discharging auxiliary device for laser cladding operation comprises an industrial CT detection chamber, transition windows are arranged at the front end and the rear end of the industrial CT detection chamber and one side of the industrial CT detection chamber, and a belt conveyor is arranged below the front ends of the transition windows; an access door is installed on the other side of the industrial CT detection chamber, one side of the access door is rotationally connected with the industrial CT detection chamber through a hinge, the other side of the access door is in locking connection with the industrial CT detection chamber through a bounce lock, and a scanner placement bin is arranged on the outer wall of the access door; and an X-ray scanner is mounted in the scanner placement bin. The problems that the detection efficiency after laser cladding workpiece blanking is greatly reduced due to taking and placing of an existing mechanical arm, only one workpiece can be detected at the next time, and the efficiency is low are solved.

The utility model relates to the technical field of automobile detection equipment, in particular to an automobile windscreen defrosting and demisting performance detection device which comprises a box body, a first motor is fixedly installed on the outer wall of the left side of the box body, a first lead screw is fixedly installed at the output end of the first motor, and the other end of the first lead screw extends into the box body. The other end of the first lead screw is movably connected with the inner wall of the right side of the box body, a plurality of transverse frames are fixedly installed on the inner wall of the box body, first sliding grooves are formed in the transverse frames, clamping pins are arranged between every two adjacent transverse frames, and the clamping pins are located in the first sliding grooves; a support is movably connected between every two adjacent transverse frames. The vehicle defrosting and demisting device is reasonable in structure, the time required for defrosting and demisting can be judged according to the change of illumination intensity when the vehicle defrosting and demisting device is used, then the defrosting and demisting performance of a vehicle is judged, and measurement is more accurate and efficient.

The utility model discloses a hydroelectric power station thrust equipment oil quality on-line monitoring system which comprises a control module, the control module is electrically connected with a processing module, the processing module is electrically connected with a driving module, the driving module is electrically connected with a miniature oil pump, and the processing module is electrically connected with a communication module. According to the utility model, hydraulic oil in the hydraulic oil tank is extracted through the micro oil pump, rapid detection of the hydraulic oil is realized, real-time on-site monitoring is realized through construction of the detection module, the detection efficiency is saved, the intermediate duration of detection is shortened, and data information is preprocessed through the processing module, so that the detection accuracy is improved. According to the invention, the data information can be kept accurate, the control module can conveniently carry out calculation processing, analyze and process the abnormity of the hydraulic oil and timely process the hydraulic oil, the detected hydraulic oil can be recycled, and the consumption and waste of the hydraulic oil are reduced.

The invention discloses a touch screen detection device for smartwatch production, and relates to the field of smartwatch touch screen detection.The touch screen detection device comprises a fixed supporting frame, a side edge supporting frame A, a sleeving guide rail, a detection plate body, a side edge bending connecting plate, a transverse expansion piece A and a transverse expansion piece B. One side of the top of the fixed supporting frame is fixedly connected with a circuit control box; the top of the fixed supporting frame is fixedly connected with a touch screen detector, and the top surface of the fixed supporting frame is fixedly connected with a touch screen fixer A, a touch screen fixer B, a touch screen fixer C and a touch screen fixer D. In the detection process, the intelligent watch touch screen can be well fixed; the detection data of the touch screen of the smart watch can be more accurate, refined outer screen strength detection can be realized, and the overall detection has the characteristics of being more accurate, faster and better in effect.

The invention relates to the technical field of biological medicine, in particular to a biomarker for diagnosing and distinguishing rheumatoid arthritis and knee osteoarthritis and application of the biomarker. In order to solve the problems of insufficient sensitivity and specificity of rheumatoid arthritis (RA) and knee osteoarthritis (KOA) in clinical detection, the invention discloses a novel biomarker, namely a soluble interleukin 17 receptor D, namely sIL-17RD. The inventor finds that the sIL-17RD level is remarkably increased in serum of a patient with rheumatoid arthritis, the sIL-17RD level is not remarkably changed in serum of a patient with knee osteoarthritis, and the sIL-17RD level is remarkably increased in synovial fluid of the patient with knee osteoarthritis. Therefore, by measuring the sIL-17RD level in the serum sample of the rheumatoid arthritis patient and the sIL-17RD level in the synovial fluid and serum of the knee osteoarthritis patient, the rheumatoid arthritis and the knee osteoarthritis are diagnosed and distinguished, and a new strategy is provided for clinical diagnosis and distinguishing of the rheumatoid arthritis and the knee osteoarthritis.

The invention discloses a cylindrical plane test block supporting structure for ultrasonic water immersion detection, and belongs to the technical field of ultrasonic water immersion detection. The problems that in the prior art, the detection efficiency is low, and a probe is prone to being damaged are solved. The supporting structure body comprises a shell with an opening in the upper end, an inner support is arranged in the shell, the inner support and the cylindrical plane test blocks are sequentially placed in the shell, the bottom face of the inner support is attached to the bottom face of the shell, the top face of the inner support is attached to the bottom faces of the cylindrical plane test blocks, the top faces of all the cylindrical plane test blocks are coplanar, and the shell is provided with a window. The cylindrical plane test block supporting structure for ultrasonic water immersion detection is used for ultrasonic water immersion detection, the top surface of each detection test block is located on the same plane, it is guaranteed that the water distance between a probe and the top surface of each test block is consistent, detection of test blocks of different lengths can be achieved only by translating the probe in the test block detection process, and the detection efficiency is improved. The time for moving and adjusting the water distance each time is shortened, and the detection efficiency is greatly improved; the probe is prevented from moving and colliding with the test block.

This invention relates to the field of road-bridge transition section health monitoring and intelligent transportation technology, specifically to a method for inferring the location of slab breakage in road-bridge transition sections based on vehicle acceleration. The method involves: collecting vibration signals from vehicles passing through the road-bridge transition section using an onboard acceleration sensor; denoising, noise reduction, and normalization of the collected data; extracting the actual acceleration collected by the sensor using wavelet transform and fast Fourier transform; constructing a physical-mechanical model of the road-bridge transition section and a vehicle-road coupled mechanical model to determine the slab breakage status; calibrating the slab breakage status using a Bayesian probability model, constructing a likelihood function and prior distribution; inferring the posterior distribution based on the likelihood function and prior distribution; and calculating the posterior distribution using the MCMC method. This invention infers the location of slab breakage in road-bridge transition sections using vehicle vibration data and Bayesian methods, enabling precise quantification and uncertainty assessment of road defects.

The invention relates to a carrier and a kit, the carrier comprises a first wall, a second wall and a side wall, the first wall and the second wall are oppositely arranged, the side wall is arranged between the first wall and the second wall, the first wall, the second wall and the side wall form a sample accommodating cavity, the sample accommodating cavity is of a flat structure, and at least part of the side wall is light-transmitting. The kit comprises a reagent bearing part and a carrier, wherein the reagent bearing part is at least used for bearing reagents. The sample containing cavity is of a flat structure, so that the thickness of a reaction sample in the sample containing cavity is very thin, the distance between the center of the reaction sample and the surface of liquid is very small, when the carrier is heated, the temperature of the reaction sample can be consistent in a very short time, the heat transfer efficiency is high, and the temperature increasing and decreasing speed and the detection efficiency of the reaction sample are greatly improved.

The invention relates to a fluorescence and colorimetric dual-mode biosensing method for detecting caffeine and application thereof, the method causes CRISPR / Cas13a to regulate and control Fe-MOFs to fall off from a signal probe based on to-be-detected liquids with different concentration gradients, the fallen Fe-MOFs collapses under the action of sodium pyrophosphate to release 2-aminoterephthalic acid and ferric ions, and the 2-aminoterephthalic acid and ferric ions are subjected to fluorescence and colorimetric dual-mode biosensing method is used for detecting caffeine. 2-aminoterephthalic acid is converted into a fluorescence signal, meanwhile, Prussian blue generated by reaction of ferric ions and potassium ferrocyanide is converted into a colorimetric signal, and a fluorescence and colorimetric dual-mode biosensing method is constructed; according to the sensor, interference factors can be effectively eliminated by outputting two detection signals and performing cross validation; the advantages of high sensitivity and wide linear range of a fluorescence method and the advantages of simple operation and visual result of a colorimetric method are combined, so that a target object can be accurately recognized, the lower detection limit can be reduced, and the accuracy of a quantitative result can be ensured; according to the sensing method, visual observation can be achieved, precise instruments are not needed, and good application value is achieved.

The application relates to a tire pressure detection method and device, computer equipment and a storage medium. The method comprises the following steps: when a vehicle passes through a data acquisition point on an assembly line, the vehicle body is scanned to obtain a vehicle identifier of the vehicle; according to the vehicle identifier, the tire pressure sensor configuration state of the vehicle is inquired, the tire pressure sensor configuration state being used for determining the tires with the tire pressure sensors among all the tires adapted to the vehicle; based on the tire pressure sensor configuration state, it is determined whether the vehicle has the tires with the tire pressure sensors, and in the case of determination, the tire positioning information is acquired according to the tire pressure sensor configuration state, the tire positioning information being used for indicating the target tire with the tire pressure to be detected among all the tires with the tire pressure sensors of the vehicle; and in the process of conveying the tires by a tire conveying line, the tire pressure of the target tire is detected according to the tire positioning information. The method can improve the detection efficiency of the tire pressure information.

The invention discloses an ultrasonic optical dual-mode imaging probe for imaging, and relates to the technical field of imaging probes, the ultrasonic optical dual-mode imaging probe for imaging comprises a main body tube, the bottom surface of the main body tube is fixedly connected with a contact head, and the contact head is used in cooperation with a synchronizing wheel, a belt, a guide wheel, a rotating belt and the like. By pressing a control button of the controller, the optical probe and the ultrasonic probe in the handheld tube and the main body tube can be automatically switched, and when the optical probe moves into the contact head, optical detection can be carried out to obtain an optical signal; when the ultrasonic probe moves into the contact head, ultrasonic detection can be carried out to obtain an ultrasonic signal, and the detection mode of dual-mode mutual switching detection is adopted, so that the body size of the detection probe is reduced to the greatest extent while dual-mode detection is realized, and the detection probe is more suitable for a plug-in detection mode; and harm and discomfort caused when the detection probe goes deep into a human body for detection are reduced.

The utility model discloses a viscosity detection device for glue production, which comprises a bottom plate, the top of the bottom plate is fixedly connected with a support, the top of the bottom plate is provided with a container, the surface of the support is provided with a displacement groove in a penetrating manner, the inside of the displacement groove is slidably connected with a fixed plate, and the top of the fixed plate is fixedly provided with a motor. The bottom of the fixing plate is rotationally connected with a fixing block. The utility model aims to solve the problems that in a continuous detection test, due to the fact that only one stirring head is arranged, a certain glue solution is attached to the stirring head taken out from a container, and when different types of glue are detected, the glue solution attached to the surface of the stirring head can influence the accuracy of viscosity detection of the different types of glue; the problems that a traditional stirring head is installed on the device through a thread, and replacement is very inconvenient are solved, so that manual cleaning of the stirring head consumes much time and energy at the moment, and the detection efficiency is reduced.

The invention discloses a carbon dioxide emission source itinerant monitoring method based on an NDIR technology, and relates to the technical field of environment monitoring. The method comprises the following steps: a detection vehicle collects carbon dioxide concentration data of each collection point along a planned path; comparing the carbon dioxide concentration data with a set carbon dioxide concentration threshold value, and performing grading treatment; when the carbon dioxide concentration is abnormal, other detection vehicles are cooperated for verification; according to the method, the problems of fixed monitoring points, untimely response and the like in the existing scheme can be effectively solved, and the method is suitable for the requirement of accurately and intelligently monitoring the carbon dioxide concentration in a complex environment.

The invention discloses an imaging method of a semiconductor dual-channel shared microscopic imaging device, comprising a frame, a platform and a column, wherein the platform is arranged on the frame, the column is provided with a Z-axis movable frame and a second X-axis movable frame arranged on the Z-axis movable frame, the second X-axis movable frame is provided with a fixed seat extending toward the platform, and the fixed seat is located above a bearing seat; a pivotally arranged turntable is provided on the lower wall of the fixed seat, the turntable is arranged horizontally, and the turntable is provided with a plurality of microscope objective lenses arranged at intervals, a DD motor for driving the turntable to rotate is provided in the middle of the fixed seat, the fixed seat is provided with a fixed tower plate arranged opposite to the turntable, and the optical axis of the microscope objective lens, the optical axis of a black-and-white camera module and the optical axis of a color camera module are all arranged vertically; when the DD motor rotates, the turntable drives a predetermined microscope objective lens to rotate, and makes the optical axis of the predetermined microscope objective lens coincide with the optical axis of the black-and-white camera module and / or the optical axis of the color camera module.

The invention discloses a transmitting frequency deviation correction method and device, electronic equipment, a medium and a product, relates to the technical field of wireless communication, and is applied to a transmitting frequency deviation correction system, the transmitting frequency deviation correction system comprises a test tool, and the test tool comprises a plurality of short message communication modules. The transmitting frequency deviation correction method comprises the following steps: aiming at a plurality of short message communication modules, starting corresponding transmitting short message inbound signals one by one based on L-band inbound signal frequency points, performing signal processing on output radio frequency signals, acquiring actual transmitting frequency, comparing the actual transmitting frequency with the L-band inbound signal frequency points, generating frequency deviation, and if the frequency deviation is greater than preset frequency deviation, correcting the transmitting frequency deviation. And if not, adjusting the initial crystal oscillator voltage-controlled voltage to correct the radio frequency signal, and after correction is completed, continuing to calculate and correct the transmission frequency deviation of the next short message communication module. According to the invention, the technical problem of low transmitting frequency offset correction efficiency of the short message communication module at present is solved.

The present invention discloses a motor valve sealing detection device, which relates to the field of motor valve technology, and comprises a support plate, wherein the top side wall of the support plate is provided with a clearance through hole, the interior of the support plate is provided with an installation cavity, and the bottom inner wall of the installation cavity is rotatably connected with a first rotating ring. The present invention can accurately detect whether the internal sealing of the three channels of the three-way motor valve is good, and can adjust the position of the first detection shell according to the position of the main channel of the three-way motor valve, so as to facilitate the blocking of the three channels of the three-way motor valve at different angles, and realize the rapid detection of the sealing of the three-way motor valve, and at the same time, can detect the sealing of the three-way motor valves with annular distribution of the three channels and the three-way motor valves with the secondary channels vertically downward, so as to avoid the staff from replacing the adaptable operating table according to different three-way motor valves, reduce the detection efficiency, and improve the efficiency and adaptability of the device in the three-way motor valve sealing detection.

The utility model discloses a bridge safety detection equipment relates to bridge detection technical field, including unmanned plane, the top middle place fixed mounting of unmanned plane has steel bar rust detection appearance host computer, the bottom four corners of unmanned plane all are fixedly installed with support leg, the bottom of unmanned plane is close to the position of two ends and all is fixedly installed with folding frame, the bottom center of unmanned plane is fixedly installed with automatic telescopic device, the output of automatic telescopic device is fixedly connected with moving board, the bottom of moving board is close to the position of the front end and is fixedly installed with telescopic column, the bottom of telescopic column is fixedly installed with pressure sensor, the bottom of moving board is close to the position of the rear end and is fixedly installed with steel bar rust detection end.

The present invention discloses a single-channel unsupervised maternal-fetal mixed ECG signal R-peak detection method and device, storage medium, including: step S1, obtaining the maternal-fetal mixed ECG signal; step S2, grading multiple signal segments of the maternal-fetal mixed ECG signal, and determining the R-peak detection strategy of each signal segment; step S3, according to the R-peak detection strategy of each signal segment, determining the acquisition method of the reference R-peak sequence, and detecting the remaining R-peaks in each signal segment in a dynamic cycle extension manner based on the quasi-periodicity and morphological characteristics of the ECG signal; step S4, sequentially splicing the R-peak detection results of each signal segment as the final output. The technical solution of the present invention can simultaneously detect the mother's R peak and the fetal R peak in a single-channel unlabeled maternal-fetal mixed ECG signal, which is suitable for single-channel signal detection and does not need to rely on information interaction between multi-channel signals.

The application provides a liquid crystal display screen surface defect detection device and relates to the field of liquid crystal display screen surface defect detection. The application comprises a shell, the inner lower surface of the shell is fixedly connected with a base, the upper surface of the base is fixedly connected with a chain wheel conveyor belt, the inner surface of the base is provided with a submission device, the upper surface of the submission device is installed with a display screen, and the upper surface of the base is fixedly connected with a fixed support. The display screen is moved to the position of the shooting device through the submission device and is limited through the moving device, the display screen is not taken down for detection for multiple times, the possibility of damage of the display screen is reduced, the display screen is shot from multiple directions through the cooperation of the rotating device, the moving device, the shooting device and the submission device, more observation angles are provided, the torsional spring is arranged, the display screen can return to the original position after detection, and the situation that the detection efficiency is affected due to the failure to align the position on the chain wheel conveyor belt is reduced.

The invention provides a nondestructive testing device and method for pressure-bearing equipment with a heat preservation layer, and belongs to the technical field of nondestructive testing, the device comprises a plurality of waveguide rods, the rear end of at least one waveguide rod in the plurality of waveguide rods is connected with an ultrasonic transmitter, and the rear end of at least another waveguide rod in the plurality of waveguide rods is connected with an acoustic emission sensor; the fixing assembly is used for fixing the waveguide rod on the outer wall of the pressure-bearing equipment; the controller is in communication connection with the ultrasonic transmitter and the acoustic emission sensor and is used for detecting whether the pressure-bearing equipment has defects or not; the front end of the waveguide rod is provided with an arc-shaped coupling face matched with the curvature of the outer wall of the pressure-bearing equipment, the front end of the waveguide rod penetrates through the heat preservation layer, and the arc-shaped coupling face is covered with the heat preservation layer and attached to the outer wall of the pressure-bearing equipment. The method solves the problems of high detection cost and complicated operation caused by the need of dismounting a thermal insulation layer or difficulty in low-temperature coupling in a traditional method, and has the advantages of simplicity and convenience in operation, low cost, high detection efficiency, high accuracy, high adaptability and the like.

The present application belongs to the technical field of nondestructive testing of building materials, and particularly relates to a rebound nondestructive testing method and system for the compressive strength of rapidly hardened cement-based materials. The technical solution is as follows: sample data of rapidly hardened cement-based materials is collected to construct a sample data set; the sample data set is subjected to outlier rejection, normalization processing and feature weight mapping to form a multi-dimensional input feature vector; based on the multi-dimensional input feature vector, a compressive strength prediction model is constructed, and the model parameters are optimized through k-fold cross-validation; the rebound value, curing age and mix proportion parameters of the rapidly hardened cement-based material to be tested are input into the trained compressive strength prediction model to output the corresponding compressive strength detection value. The present application can comprehensively consider sample data, establish a nonlinear mapping relationship between multi-dimensional features and compressive strength, thereby realizing rapid, continuous and high-precision evaluation of the compressive strength of rapidly hardened cement-based materials without damaging the materials or structure.

The invention discloses equipment for detecting microorganisms in an environmental sample and an operation method.The equipment comprises a supporting frame, a supporting plate is installed on the outer wall of the supporting frame, when the equipment is used, a protective sleeve is connected with a clamping plate in a sleeving mode, then a limiting rod is lifted upwards, a glass slide is placed at a designated position, the limiting rod extrudes downwards through the elastic force of a limiting spring, and the limiting rod is pressed downwards; a glass slide is fixed, an LED irradiation lamp and a detector are turned on for detection, after single detection is completed, a rotating motor is started, a rotating table is driven to rotate, continuous detection is carried out, meanwhile, a detected sample is taken down and replaced with a new sample, when a lens needs to be replaced, a clamping rod is squeezed inwards, the lens is taken down, and then a new lens is inserted into a lens base, so that the lens needs to be replaced. The clamping rod is ejected out through the elastic force of the reset spring and is clamped and fixed with a new lens, and finally, the protective sleeve is in threaded connection with the fixed sleeve to protect the lens, so that the equipment for detecting the microorganisms in the environmental sample and the operation method are completed.

The present invention is applicable to the field of line detection technology, and relates to a method, medium and terminal for analyzing line errors of transformers in high-voltage substations, including the following steps: S10, collecting N groups of three-phase voltage transformer secondary side signals; S20, determining the inter-group deviation of any two groups of three-phase signals; S30, determining the correlation coefficient of any two groups of three-phase signals; S40, determining the unbalance deviation of any two groups of three-phase signals; S50, determining the similarity of any two groups of three-phase signals; S60, grouping the signals according to the similarity of the three-phase signals; S70, performing error analysis on the same group of three-phase transformers. The present invention realizes online real-time monitoring of the error characteristics of capacitive voltage transformers, improves maintenance efficiency, and avoids the impact of power outage maintenance on power grid operation.

This invention belongs to the technical field of ultrasonic water spray testing systems, and particularly relates to a probe calibration device and deviation measurement method for an ultrasonic water spray testing system. The device includes: a main body, a base, a first locking screw, and a second locking screw; the main body is a circular ring with a break point and two lugs at the break point, the second locking screw connecting the two lugs; a radial threaded hole is provided on the side opposite the break point of the main body; the base is a cuboid with a threaded through hole in the middle, the first locking screw passing through the threaded through hole and the radial threaded hole sequentially to connect the base to the main body; a first groove and a second groove are respectively provided on both sides of the threaded through hole on the end face of the base away from the main body; the two grooves are used to fix the target ball.

The invention relates to a method and device for processing dangerous points along a railway, and the method comprises the steps: obtaining multi-temporal remote sensing image data along the railway, and carrying out the preprocessing of the multi-temporal remote sensing image data; preparing railway line ground feature training sample data with mark information, and marking and preprocessing five types of main ground feature elements; training a deep learning surface feature detection model by using the surface feature training sample data, extracting various surface feature elements along the railway, and converting the surface feature elements into vector data matched with geographic coordinates; dangerous point elements are obtained through change detection, the distance between the change elements and the railway is calculated to divide danger levels, and whether field detection and hidden danger elimination are needed or not is judged. Therefore, the problems that an existing railway line dangerous point detection method is low in detection precision and efficiency, and the detection requirement of large railway line dangerous points cannot be met are solved.