8results about How to "Non-destructive testing" patented technology

This invention discloses a contactless chip testing system. The platform includes a PC, a data parsing / forwarding module, a source signal excitation module, a gating array, and a chip slot under test. The platform allows for simultaneous multi-selection via a PC's visual interface, enabling automated integrated testing of resistance, capacitance, package integrity, voltage, and overall power consumption between any chip pins. Compared to traditional mechanical probe-based contact testing systems, this invention is more compact. Furthermore, it employs an automatically gating physical path switching method, resulting in a higher switching rate and more efficient package testing.

The application discloses a kind of detection system of quick nondestructive testing fabric density, including size comparison module, platform module, image acquisition module, processing module;Platform module is fixed to be detected object and cooperates size comparison module to form the object to be detected that can be used for real-time detection, image acquisition module acquires corresponding image information and real-time backup storage data according to operator target detection position, and the original data after backup is transferred to processing module, and processing module calculates the fabric density of the object to be detected in specified range according to the space layer conversion of fiber, the application further discloses a kind of detection method of application detection system.Relative to prior art, the technical scheme of the present application has the advantages of being convenient, real-time and traceable, etc.The application not only has the advantages of being fast and convenient and not damaging the fabric, but also the data can be traced back and reproduced well, and has important application prospects in the field of textile fiber detection.

The present application relates to a kind of surface enhanced raman nanoparticles and fentanyl substance detection method, belong to the field of drug safety detection.The surface enhanced raman nanoparticles is noble metal nanoparticle, the noble metal nanoparticle is preferably gold nanobiscake.The fentanyl substance detection method uses the surface enhanced raman nanoparticles of the present application to carry out raman detection.The surface enhanced raman nanoparticles and fentanyl substance detection method can quickly, non-destructively detect trace fentanyl substance in the sample to be measured, and has very good application prospect in public safety detection.

The present application relates to the technical field of signal processing and fault diagnosis, the method comprises, collecting flame chemiluminescence signal, and carrying out adaptive filtering noise reduction processing;Using improved intrinsic orthogonal decomposition method and high order mode, obtaining comprehensive combustion characteristic information;Developing real-time synchronous compression transform algorithm to carry out time-frequency analysis to data, and updating energy distribution in real time;Combining sensor data, carrying out multi-parameter joint analysis, obtaining combustion state evaluation, using multiple high-speed cameras to obtain flame image from different angles, reconstructing three-dimensional flame morphology through computer vision technology, providing fault detection information;Building fault prediction model, realizing early warning of combustion fault.The method realizes nondestructive and rapid detection of oscillating combustion fault, retains rich information of flame image, reflects overall pulsation characteristics of flame, improves detection speed and accuracy, and makes up for the shortcoming of low frequency resolution of traditional time-frequency analysis method.

This invention provides a method for detecting and calculating the austenite content in steel based on a permeability meter, relating to the fields of steel and electromagnetics. Based on the theoretical differences in saturation magnetization of different phases in ferromagnetic materials, this invention establishes a theoretical calculation model and detection method for measuring austenite content using a permeability meter. A standard-prepared sample is placed in a magnetic pole shoe, and the magnetic field strength H corresponding to the maximum permeability of the ferromagnetic material is first measured. μ Then at ≥1.5H μ Under a magnetic field strength of J, the polarization intensity of the magnetic field strength at multiple points was measured at continuous intervals. m Then, based on the saturation magnetization approximation law and derivation law, the saturation magnetization Js is fitted and solved. Finally, the austenite content is determined according to the theoretical calculation model of austenite content. The method described in this invention solves the influence of the constantly changing effective magnetic path length of traditional magnetometers on the measurement results. The method for determining austenite content is simple, has a solid theoretical basis, high measurement accuracy, and strong data repeatability.

The invention relates to a method for detecting the fastness and surface roughness of a nickel-titanium wire for a puncture needle, and belongs to the technical field of nickel-titanium wire detection, and the method comprises the following steps: S1, feeding the nickel-titanium wire onto a workbench through a feeding mechanism on the workbench; s2, a resistance detection mechanism on the workbench electrifies the nickel-titanium wire to detect the resistance of the nickel-titanium wire, a transfer mechanism on the workbench transfers the nickel-titanium wire subjected to resistance detection to roughness detection equipment on the workbench, and the roughness detection equipment detects the surface roughness of the nickel-titanium wire; and S3, discharging the detected nickel-titanium wire from the workbench by a discharging mechanism on the workbench. The method has the effect of rapidly and nondestructively detecting the surface roughness and fastness of the nickel-titanium wire.

The embodiment of the invention provides an anti-counterfeiting master batch for automobile manufacturing and a preparation method and an identification method of the anti-counterfeiting master batch. The anti-counterfeiting master batch comprises carrier resin, an anti-counterfeiting tracking agent and a dispersing agent, the anti-counterfeiting tracking agent comprises at least two metals or compounds thereof, the metals are selected from Mg, Ca, Sr, Ba, Al, Ti, Zr, Hf, Nb, Ta, Mo, W, Mn, Fe, Co, Ni, Cu, Zn, Ga, Ge, Sn, Sb, Bi, Y, La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb and Lu, and the at least two metals or compounds thereof have a selected mass ratio. The technical problem of providing the anti-counterfeiting master batch added into the plastic for automobile manufacturing is solved, and the anti-counterfeiting master batch can realize the use safety of an automobile plastic material and the reliability of anti-counterfeiting tracing.

The utility model discloses a farm egg sub-packaging and screening device which comprises a rotating disc, the surface of the rotating disc is fixedly connected with a partition plate, a base is rotationally installed at the bottom of the rotating disc, a conveying roller line is installed on one side above the base, a base plate is installed at the inner bottom of the rotating disc, and a conveying roller is installed on the base. And a lamp holder is mounted on the surface of the base plate in an embedded mode, a bulb is mounted in the lamp holder, one side of the bulb is electrically connected with a photoresistor, and an ultrasonic vibration sensor is mounted on the side wall of the rotating disc. A photoresistor is arranged in the lamp holder, the photoresistor LDR is used for detecting the quality of eggs, light source irradiation is used, high-quality eggs are semitransparent, the yolk outline is clear, poor-quality eggs are poor in light transmission, and therefore the freshness degree of the eggs can be judged easily, and in this way, the eggs are detected through the photoresistor and light source irradiation; and the quality of the eggs is judged according to the LDR reading, so that the eggs are subpackaged and screened according to the quality.