1291results about How to "Improve detection quality" patented technology

This disclosure provides oil filling and labeling apparatuses for atomizers of electronic cigarettes, which include a rack provided with a table board. A material pick-up operation position, an oil filling operation position, an assembling operation position, a labeling operation position and a pressing operation position for silicon rubber sleeve are provided on the table board. The oil filling and labeling apparatuses for the atomizers of the electronic cigarettes further include a material loading mechanism, an oil filling mechanism, a mechanism for mounting oil-sealing ring, a mechanism for mounting end cap, an electric resistance detection mechanism, a first material rotation mechanism, a labeling mechanism, a second material rotation mechanism and a mechanism for pressing silicon rubber sleeve. The atomizer of the electronic cigarette is successively conveyed for processing among such mechanisms.

The invention discloses a full-automatic modular multi-sample intelligent processing system, which comprises a liquid adding and homogenizing module, an automatic vacuuming and filtering module, an automatic nitrogen blowing and concentrating module, an automatic gelatum permeating and purifying module, an automatic slide phase extracting module, an automatic transmitting and heating module and an operation control module. Corresponding processing modules, experimental condition procedures and operation procedures are edited and selected by the operation control module according to the needs of different samples to be processed to carry out corresponding automatic processing. The full-automatic modular multi-sample intelligent processing system can synchronously process four samples, can continuously process fixteen samples, and carry out processing procedures of liquid adding, homogeneity extraction, filtration, gelatum purification, solid phase extraction, nitrogen blowing on the samples. The full-automatic modular food residual sample processing system realizes full automation of processing the samples, effectively improves the sample processing quantity, simplifies the operation process, improves the detection quality and improves the experimental safety.

The invention discloses an ultrasonic inspecting and scanning device of a welding line, comprising a main frame, an idler wheel mechanism and a scanning mechanism, wherein the idler wheel mechanism is connected with the main frame, the scanning mechanism is arranged on the main frame and comprises a slanting scanning mechanism, and the slanting scanning mechanism is provided with a slanting scanning arm which is configured aslant relatively to a welding line to be inspected. The main frame is rectangular, and four edges of the main frame are all provided with guide rails; the slanting scanning mechanism comprises two slanting scanning brackets, a slanting guide rail and two slanting scanning arms, wherein the slanting guide rail is connected between two slanting scanning brackets, and the slanting scanning arms are arranged on the slanting guide rails; one slanting scanning bracket is straddled on two guide rails of two adjacent edges of the main frame, and the other slanting scanning bracket is straddled on two guide rails of other two adjacent edges. The ultrasonic inspecting and scanning device of a welding line, which is provided by the invention, can effectively solve the problem of missed detection of horizontal defects, enlarge defect detection range, realize overall scanning of the welding line and reduce potential safety hazard.

The invention relates to an automatic wheel hub appearance sorting device based on machine vision. The automatic wheel hub appearance sorting device comprises a detection body. The detection body comprises a positioning assembly, at least three light source camera assemblies and a detection frame, wherein the positioning assembly is used for fixing a wheel hub through a clamping device and driving the wheel hub to make Z-axis movement and rotary movement; the light source camera assemblies are correspondingly arranged on the upper portion, the lower portion and the side edge of the fixed wheel hub; and the detection frame is used for fixing the positioning assembly and the light source camera assemblies through connecting devices, and the light source camera assemblies are connected with an upper computer through network interfaces. Through the automatic wheel hub appearance sorting device, the functions of wheel hub type recognition, fixed centering and automatic appearance detection are achieved, and the automatic wheel hub appearance sorting device has the advantage of being high in detection efficiency and accuracy rate.

The invention discloses a method and equipment for the visual detection of visible foreign matters in a bottled liquid medicine. The method comprises the following steps of: (1) obtaining a multi-frame continuous image from a current liquid medicine which is to be detected and is filled in a medicine bottle by using an industrial camera; (2) preprocessing the image: carrying out top-hat morphologic filtering on the obtained image by adopting a 7*7 circular template as a structural element; (3) extracting a moving object; (4) tracking the moving object; and (5) identifying and judging the image. The device comprises a bottle grabbing manipulator used for grabbing the medicine bottle and an image collecting and processing device arranged close to the bottle grabbing manipulator. The method and the device are suitable for detecting the visible foreign matters of a traditional small-capacity bottled liquid medicine and have the advantages of simple realization, good detection effect, high safety and reliability, extensive application range and the like.

The invention relates to the tunnel construction machine, in particular to a movable tunnel detection arm, which consists of a roller, a radar bracket, a two-position damping directional node, a controllable telescopic rigid rod, a lead screw, a lead screw driving device, a damping directional node, a transverse rotating driving device, a longitudinal rotating driving device and a radar antenna. The invention has the advantages of simple structure and full-automation or remote control operation so that the radar antenna and a tunnel lining face are kept on the same plane in the transverse direction and the longitudinal direction. In this way, the stable and improved detection quality of the radar antenna on the tunnel lining face can be ensured.

The present invention discloses an optical detection apparatus capable of detecting and classifying parts with a certain shape and size. The optical detection apparatus comprises a frame, a rotation disc arranged on the frame, a material discharge device, an alignment device, an optical detection device and a classification unloading device, wherein the material discharge device, the alignment device, the optical detection device and the classification unloading device are arranged on the periphery of the rotation disc and are sequentially aligned, the rotation disc is connected with an annular detection platform provided for bearing and transmitting a part and manufactured from a transparent material, and the optical detection device comprises at least a set of level detection devices for detecting a front surface and/or a side surface of the part and at least a set of upright detection devices for detecting a bottom surface of the part. The optical detection apparatus has the following characteristics that: a structure is simple, and operation is convenient; with full-direction imaging detection of a part to be detected, the standard part can be detected, and the special-shaped part can be detected according to the size and the surface imaging of the part to be detected; and a detection result is accurate.

The invention relates to the technical field of pipeline defect detection and discloses a pipeline defect and magnetic leakage detection device which comprises a central shaft, a magnetic conduction device and a flux leakage detection device, wherein a left leather cup and a right leather cup are fixedly installed at both ends of the central shaft through a flange disc and a pressure plate, the magnetic conduction device which can conduct magnetism to a pipeline to be detected is installed on the central shaft between the left leather cup and the right leather cup, and a flux leakage detection device which can detect magnetic leakage signals is installed at the outer side of the middle part of the magnetic conduction device. The invention has the advantages of reasonable and compact structure and convenient use, and can efficiently magnetize an oil pipe and enhance the magnetization strength of a pipe wall to be detected, thereby greatly enhancing the detection quality of defects of an oil pipeline and being not easy to generate blockage when passing through a variable diameter part of the pipeline because of favorable deformation by arranging a plate spring.

The present invention provides an apparatus and method that can in a simple and cost-effective way read transponders from different systems implementing different communication protocols. The transponder reader comprises an antenna means for sending a first analogue signal to one of said transponders and receiving a second analogue signal from said transponder, said transponder reader further comprises means for analysing, e.g. demodulating, detecting, decode said signal received by said antenna means according to at least two different protocols.

The invention discloses a method for simultaneously detecting the content of four heavy metal elements in tobacco leaves. The method comprises the steps of standard solution preparation, sample pretreatment and sample analysis. According to the invention, a tobacco leaf sample is subjected to pretreatment by adopting a closed microwave digestion technology, so that the method disclosed by the invention has the advantages of short digestion time, accuracy and completeness in digestion and capability of effectively avoiding result deviation and environmental pollution caused by heating and volatilization compared with the conventional digestion methods such as a dry ashing method and an acid digestion method; As, Cd, Hg and Pb can be detected simultaneously, so that the problems on the decomposition of the sample and the interference of residual organic matters are effectively solved, and element detection limit is obviously reduced compared with that of other methods; the method disclosed by the invention has the characteristics of high accuracy and density, low detection limit, short analyzing time, simultaneous detection of a plurality of elements and the like, and can be used for detecting a plurality of samples to be analyzed; and moreover, sample detection quality and efficiency is increased to a larger extent.

The invention belongs to the technical field of circuit board defect detection, and relates to an accurate circuit board element location and detection method based on image feature. The method comprises the following steps of acquiring a picture of a to-be-detected circuit board, obtaining the acquired image of the to-be-detected circuit board and the feature points of a standard circuit board element template picture through a SURF (Speeded Up Robust Feature) algorithm; setting a rough matching threshold value T, performing feature point rough matching through a nearest neighbor matching method, and then, arranging the feature point pairs from small to large; fitting the ratio of nearest neighbor to next nearest neighbor of each arranged feature point pair through a least square method to obtain a fitted curve; performing accurate matching according to the difference between the fitted curve and the ratio of nearest neighbor to next nearest neighbor; realizing accurate location of the template picture on the acquired image; and detecting the defects of the circuit board through the template picture and the matched subpictures. According to the method, the accurate location of elements can be realized, so that detection on the circuit board elements can be realized.

The invention relates to a capacitance horizontal axis micro-mechanical tuning fork gyroscope which is characterized by including an underlay, anchor points, a detection folding beam, a framework, a drive folding beam, a detection quality block, a drive comb capacitance and a detection comb capacitance; the drive comb capacitance and the detection comb capacitance respectively include a movable electrode and a fixing electrode; the anchor points, the detection folding beam, the framework, the detection quality block, the drive comb capacitance and the detection comb capacitance are symmetrically arranged relative to the X-axis and the Y-axis of the gyroscope; the movable electrode of the drive comb capacitance is fixedly connected with the detection quality block; the detection quality block is connected with the framework by the drive folding beam; the movable electrode of the detection comb capacitance is connected with the framework; the framework is connected with the anchor points by the detection folding beam; the anchor points are fixedly connected with the underlay; the fixing electrode of the drive comb capacitance and the fixing electrode of the detection comb capacitance are fixedly connected with the underlay by the anchor points of each own. The capacitance horizontal axis micro-mechanical tuning fork gyroscope has a simple technical process, can be compatible with a Z-axis tuning fork gyroscope, can be used for realizing a chip triaxial gyroscope and can realize batch production.

The invention provides a microseism simulating and monitoring method and belongs to the micro-vibration generation and detection field. The method comprises the steps of pressurizing a fracturing fluid and injecting the fracturing fluid into a model to be detected; cracking the inside of the model to be detected by utilization of the fracturing fluid, wherein microseism signals are generated when cracks are produced; detecting the microseism signals via an accelerometer disposed on the surface of the model to be detected and also a laser doppler vibration meter disposed above the surface of the model to be detected and converting the signals into voltage signals; converting the voltage signals into digital signals; and finally storing, calculating and analyzing the digital signals by a computer to obtain information of the cracks. Through the method, microseism signals can be generated indoors through a micro-fracturing way and can be monitored, and water fracturing of field oil and gas wells and a three-dimensional microseism monitoring process can be simulated.

The invention relates to a method for detecting girder cracks based on image processing, and belongs to the field of malfunction diagnosis technology and signal processing analysis technology. The method comprises the following steps: firstly establishing a feature training sample set of girder cracks, and manufacturing a Ground Truth set of sample images, establishing a girder crack detection classifier based on a structural random forest; then performing stitching on crack images within each time period among acquired images; using the generated girder crack detection classifier to perform rough edge detection for girder cracks on the stitched crack images to obtain a rough edge detection result; finally conducting accurate crack selection and location on the rough edge detection result. According to the invention, a well trained girder crack detection classifier can extract crack information in square girders in an efficient, rapid and accurate manner, eliminates malfunction in an in-time and rapid manner, and increases economic benefits and guarantees personal safety of working staff.

The invention relates to an integrated bridge detection system based on unmanned aerial vehicles and belongs to the technical field of unmanned aerial vehicle bridge detection. The system comprises abridge modeling unmanned aerial vehicle A, a bridge surface data collection unmanned aerial vehicle B and a ground integrated information processing control system. The ground integrated information processing control system comprises a 3D coordinate modeling system, an unmanned aerial vehicle cruising route planning system, a bridge deck defect detection and marking system, and a bridge quality detection report generation system. The unmanned aerial vehicle A is used for photographing a detected bridge and a surrounding terrain environment. The 3D coordinate modeling system is used for establishing 3D coordinate models of a bridge body and the surrounding terrain environment. The unmanned aerial vehicle cruising route planning system is used for planning a cruising route of the unmanned aerial vehicle B. The bridge deck defect detection and marking system is used for detecting defects of corresponding locations of a bridge deck, computing defect level indexes and marking the defect level indexes in the model. According to the system, full automation of a bridge detection process is realized, detection efficiency is greatly improved, and detection quality is improved.

The invention discloses a soft soil area underground continuous wall leakage detecting system, solves such defects as complex construction, difficult measurement and lower accuracy of measured results, and measures specific positions of leakage points more accurately. The transport process of underground ions and the gathering process of the underground ions are observed in real time, so that the specific positions of the leakage points can be obtained more quickly and accurately. The soft soil area underground continuous wall leakage detecting system relates to a underground continuous wall, an observation well, a precipitation well, a soft soil layer, an aluminum electrode, an electrifying device, an electrifying device positive pole, an electrifying device negative pole, an in-pit ground, an out-pit ground, the leakage points, aluminum ions, a sampling device, a slide cover, a bracket, an opening cylinder, a gauze, a separation plate, a round hole, a sensor, a circuit, a circuit fixator, a circuit negative pole and an acquiring system. The underground continuous wall is not limited by thickness and depth. The observation well is used for observing change of an underground water level on the outer side of a foundation pit; the gap and the depth of the observation well are determined according to actual engineering; and the observation well also can serve as a foundation pit outer side precipitation well. The precipitation well is a foundation pit inner side precipitation well, and can be used for observing a underground water level on the inner side of the foundation pit. The soft soil layer is a soil layer suitable for an electroosmosis method.

The present invention relates to a vehicle railway tunnel vault geological radar continuous detection system. The system comprises an engineering vehicle, a workbench, a hydraulic elevating platform, a tunnel section laser detection mechanism, a vault brace rod mechanism and a vault radar antenna detection mechanism. A brace rod main body in the vault brace rod mechanism has two brace rod arms, the two brace rod arms are connected through a brace rod arm regulation pin shaft, and the hydraulic elevating platform and a brace rod driving motor are employed to drive the two brace rod arms to realize two-degree-of-freedom elevating and rotation to allow a radar antenna in the vault radar antenna detection mechanism at the top end of the brace rod main body to be extended into all the gaps between the inner wall of the tunnel vault and a contact net and scan each area of the vault required being detected to allow the detection blank area of the tunnel vault to be reduced to nearly zero. The system performs cooperation motion among mechanisms when detection, the radar antenna can avoid obstacles such as the contact net and the like, the frequent and rapid elevation of the vault brace rod mechanism and the like is reduced, the control is simple, the reliability is high, the continuous detection is realized, and the detection efficiency and the quality are improved.