97results about How to "Easy to observe and analyze" patented technology

The invention discloses a phased-array ultrasonic detection method for interfacial de-bonding of a composite material. The method comprises the following steps: (1) sequentially triggering each wafer of a phased-array probe to generate ultrasonic signals, superposing the ultrasonic signals, propagating the ultrasonic signals inside the composite material, and reflecting the ultrasonic signals during the interface de-bonding or interfacial de-bonding of the composite material; (2) superposing the reflected ultrasonic signals, receiving the ultrasonic signals by using the phased-array probe, performing data processing, and then outputting a phased-array scanning image through a phased-array display instrument; (3) comparing an ultrasonic detection image during the good interfacial bonding of the composite material with an ultrasonic detection image during the interfacial de-bonding of the composite material to judge whether the composite material has a de-bonding defect. The method has the advantages of high detection accuracy, simple operation process and the like.

The invention discloses a salt cavern model test method for simulating multi-interbedded salt rock geological conditions, comprising the following steps of: analyzing natural interbedded salt rock; manufacturing a salt rock die capable of heating; manufacturing an interbedded salt rock test piece; drilling downwards from the top end of the interbedded salt rock test piece; placing a pressing plate used for simulating a covering layer on the multi-interbedded salt rock on the top surface of the interbedded salt rock test piece; arranging a salt cavern intermediate casing; calculating the cavern wall thickness of the interbedded salt rock test piece at any salt cavern stage through an ultrasonic transducer which detects and measures the time of a wave propagating the wall surface of the interbedded salt rock test piece to obtain the influence of each salt cavern process parameter on expansion of a laminated salt rock cavern body shape. With the adoption of the experiment method, similar model tests of the geological environment and the salt layer occurrence state are guaranteed, the process of analyzing the multi-interbedded salt rock salt cavern can be better observed, the salt cavern model test method for simulating the multi-interbedded salt rock geological conditions provides more realistic theoretical support and technological guide to avoid salt cavern failure.

The invention relates to a tumor pathological image display station. Through a rectangular track formed by a set of elliptical tracks and longitudinal tracks connected therebetween, display boards canbe freely switched between the elliptical tracks and the longitudinal tracks, and the lower ends of the display boards are provided with pushing plates; the positions of driving rods on a driving belt and the positions of pushing rods on a guide belt in the vertical direction are changed, so as to drive the pushing plates to drive the display boards to be switched between the elliptical tracks and rectangular track respectively; a large fluted disc is meshed with two sets of first incomplete gears, a second incomplete gear is meshed with a rack through a second gear, and the elliptical tracksand the rectangular track are separated by the rack; a driving device provides power input and reversing action, the structure is clever, the operation is simple, the elliptical track show images tomore people, facilitating observation and analyzing of the details of the images, the rectangular track allows repeated flip of the display boards, facilitating comparative analysis; the display effect is good, and the accuracy of medical staff for tumor pathological diagnosis is improved.

The invention discloses a binocular pupil light reflex tracking system. The binocular pupil light reflex tracking system comprises a grabbing type binocular pupil detection device imaging system and a pupil tracking and measuring module. The imaging system comprises two infrared cameras, two infrared lighting light sources, two stimulation light sources, a grabbing type device and a single-chip microcomputer. The infrared cameras, the lighting light sources, the stimulation light sources and the single-chip microcomputer are integrated in the grabbing type device, the cameras and the light sources are connected with the single-chip microcomputer, and the single-chip microcomputer is in charge of signal control and data input and output. The pupil tracking and measuring module is integrated in the single-chip microcomputer, images collected by the single-chip microcomputer are tracked and measured, and the measuring result is analyzed. The system further comprises a movable seat matched with a handle, and a suspension assembly. The system is high in adaptability, capable of being applied to first-aid and field occasions and the like, and wide in application prospect.

The invention discloses a detector for a prestressed pipeline. The detector mainly comprises a pipeline probe car (1) provided with a camera. The camera is a camera device for shooting pictures in the pipeline, and the pipeline probe car (1) moves in the pipeline for shooting the pictures in the pipeline. The pipeline probe car (1) comprises a cylinder (11) and an end cap (12) for sealing an open end of the cylinder (11), a cylindrical structure with an open end and a cavity inside is formed, and a plurality of retractable car wheels (2) arranged in order are further disposed outside the cylinder (1). The retractable car wheels have moderate retractility, so car jamming doesn't happen even if bends exist inside the pipeline. Meanwhile, by the aid of the detector for the prestressed pipeline, deforming condition of ducts inside the pipeline can be discovered timely, and engineers can timely analyze and accurately judge the inside condition of the pipeline according to images returned from the inside high-pixel camera.

The invention discloses a method of extracting and separating nano-scale precipitates in steel by means of an organic electrolyte. The method includes the steps of: 1) performing constant-voltage electrolysis with a to-be-extracted steel material as an anode and a stainless steel cylinder as a cathode at a constant temperature to prepare an organic electrolyte which contains the nano-scale precipitates in steel; 2) performing magnetic separation to the organic electrolyte and performing primary filtration through a polyvinylidene fluoride membrane and secondary filtration through a polycarbonate membrane to obtain the nano-scale precipitates in steel; and 3) adding the nano-scale precipitates in steel into anhydrous ethanol, in which a surfactant is added, to perform ultrasonic dispersion, thus obtaining a turbid liquid containing the nano-scale precipitates in steel. The method can completely and losslessly extract the nano-scale precipitates in steel and solves a problem that a conventional extraction method is liable to cause agglomeration of the nano-scale precipitates in steel. The method can be used for accurately detecting the component, size and three-dimensional appearance characters of the nano-scale precipitates in steel.

The invention relates to an intelligent assistant diagnostic system for skin ulcer with a machine vision 3D reconstruction technique. A calibration method is adopted and the internal and external parameters of two cameras are obtained respectively; through a set of fixed points in the same world coordinate system, the position relation between the two cameras is set up, through a 3D reconstructionmodel, the color feature of a wound surface, a 3D surface area feature and a texture feature of the wound surface are digitally extracted, at the same time, the color characteristics of the ulcer wound in traditional Chinese medicine are digitally converted, and the therapeutic effect is dynamically evaluated by using the change of skin wound characteristics. The intelligent assistant diagnosticsystem has the advantages that the surface shape and surface area information of chronic wound surface can be calculated directly, which provides the digitized basis for the diagnosis and treatment ofulcer in traditional Chinese medicine, so as to create a more direct and convenient observation and evaluation method for the diagnosis and treatment of chronic ulcer, at the same time, the system accumulates 3D image information, thus establishing a first digital differentiation AI resource database of skin ulcer in the whole process of treatment.

The invention discloses a portable binocular pupil detection device. The portable binocular pupil detection device comprises a grabbing type binocular pupil detection equipment imaging system and a pupil tracking and measuring module. The imaging system comprises two infrared cameras, two infrared illumination light sources, two stimulation light sources, grabbing equipment and a single-chip microcomputer, wherein the infrared cameras, the illumination light sources, the stimulation light sources and the single-chip microcomputer are integrated in the grabbing equipment, the cameras are connected with the light sources and the single-chip microcomputer, and the single-chip microcomputer takes charge of control of signals and input and output of data; the pupil tracking and measuring module is integrated on the single-chip microcomputer, images collected by the single-chip microcomputer are tracked and measured, and the measurement result is analyzed and processed. The portable binocular pupil detection device is high in portability and can be applied to the occasions of emergency rescue, fields and the like, the measurement result is accurate and visual, and the portable binocular pupil detection device has broad application prospects.

The invention discloses an aero-engine compressor unsteady flow visualization method which comprises the following steps: taking a single-channel grid as an input/output full-ring grid, and marking acompressor blade row where each grid block is located; Distributing all the grid blocks to different processes, independently outputting the flow field on the distributed grid blocks by each process when the flow field is stored, and establishing a folder for each leaf row; sequentially reading the flow field data of each blade row, and calculating flow field parameters; and outputting a flow field visualization file according to the interface standard of the visualization software Tecplot. The system has the capability of visualizing unsteady mass flow field data of the multi-stage compressoron a single machine; the multi-stage compressor has the capability of extracting and independently processing any blade row in the multi-stage compressor; the method has the capability of automatically extracting the two-dimensional tangent plane and the capability of reducing the size of the flow field file by about one order of magnitude.

The invention discloses a detection device for bulletproof performance of bulletproof ceramic. The device comprises a placing table; two supporting plates are welded to one side of the top end of theplacing table; a bulletproof ceramic body is connected into each supporting plate; a disassembly and assembly module is installed between the supporting plate and the bulletproof ceramic body; the interior of the disassembly and assembly module comprises a guide pipe connected with the interior of the supporting plate in an embedded mode; the interior of the guide pipe is in threaded connection with a T-shaped threaded rod; one end of the T-shaped threaded rod is fixedly connected with a connecting piece, and the other end of the connecting piece is connected with a C-shaped plate in a weldedmode. According to the invention, under the action of the disassembly and assembly modules, the bulletproof ceramic bodies in the C-shaped plates can be fixed by driving the clamping plates by rotating first hand-screwed bolts; gunshot detection can be carried out on the bulletproof ceramic bodies by fixing the bulletproof ceramic bodies; the distance between the two C-shaped plates can be adjusted by rotating the T-shaped threaded rods; and the bulletproof ceramic bodies of different sizes can be conveniently detected and fixed by the device.

The present invention provides a method and apparatus for identifying connection relationships between components in a power distribution network. The method includes the following steps that: the power flow distribution relationship of a target component in pre-stored power distribution network information is obtained; the connection attributes of the target component are obtained according to the power flow distribution relationship; all reference components which are located in the same connection network with the target component are identified in the power distribution network according to the connection attributes; and the connection relationships between the target component and all the reference components are highlighted. According to the method and apparatus provided by the technical schemes of the invention, the connection relationships between the target component and all the reference components which are located in the same connection network with the target component are highlighted; workers can obtain the relevant connection relationships quickly and accurately just through selecting the target component; a highlighted display mode makes the connection relationships of the components in the connection network more clear and intuitive; and therefore, errors caused by manual identification can be avoided, the identification efficiency of the connection relationships of the power distribution network can be improved, and the power outage time of the fault of the power distribution network is greatly decreased.

The invention relates to a teaching and experiment method of an automatic control theory, belonging to the technical field of teaching and experiment instruments. The teaching and experiment method adopts a wireless way to realize that one machine controls a plurality of points or a plurality of machines control one point to control hardware of every teaching and experiment point to finish variousteaching experiments of the automatic control theory through an external computer. After simulation experiment control software is written into the hardware of the teaching and experiment point, thesimulation experiment control software can be independent of the hardware to finish various simulation teaching experiments of the automatic control theory, and the support of the simulation experiment control software is not needed. The hardware of the teaching and experiment point can finish various teaching experiments of the automatic control theory, and the software and the hardware of the teaching and experiment point are combined to finish various teaching experiments of the automatic control theory. The invention provides the teaching and experiment method of the automatic control theory with innovative ideas, and the method overcomes various deficiencies or shortcomings existing in the prior teaching method and brings forth, designs and develops a new regeneration product of theteaching and experiment method of the automatic control theory, thereby having significance for the level of modernization of the teaching and experiment instruments of China.

The invention discloses an optical power meter technology-based method for detecting the interface bonding state of a laser scratch and relates to the technical field of laser detection and material performance detection. In the method, the intensity change of reflected light on a loading point of a coating under laser loading is detected by using an optical power meter on line and in real time so as to obtain the critical point of an interfacial failure and interface bonding intensity is represented by a laser power parameter corresponding to the critical point. A measure result is laser quasi-static loading, so that the critical value of coating (membrane) stripping is less than a dynamic measured value and is closer to a practical interface bonding intensity.

The invention relates to a water pressure resistance test device and test method for seam sealing glue. The device comprises a test table, a concrete sample layer, a fixed frame, a transparent pressure barrel, a water injection pressurizing device, and a counting cup, wherein the bottom of the transparent pressure barrel is provided with an exhaust valve communicated with the inner cavity of the transparent pressure barrel, the water injection pressurizing device comprises a booster pump and a water convey pipe, a water injection valve is installed in the center of the bottom of the transparent pressure barrel, the concrete sample layer comprises two rectangular concrete plates and a sealing glue layer between the two concrete plates, the fixed frame comprises a bottom plate, the center ofthe bottom plate is provided with a rectangular through hole, two ends of the through hole are separately provided with a limit block, two sides of the bottom plate are provided with a block plate separately, and the center of the surface of the test table is provided with an observation port. The water pressure resistance test device for the seam sealing glue has advantages of simple structure,repeated use for tests, low cost, high operability, and high accuracy of test results.