16 results about "Package sample" patented technology

The invention belongs to the technical field of image data processing, and discloses a beverage package defect visual detection method and system, and the method comprises the steps: firstly, shooting a defect-free beverage package sample under a preset scene, and building a standard image library; then collecting and preprocessing a to-be-detected package image, obtaining a package model, and selecting a corresponding reference image from the standard image library; the detection image and the reference image are registered, difference is carried out to obtain a difference image, and enhancement processing is carried out on the difference image; and performing threshold processing on the enhanced image to extract an abnormal region, analyzing features of the abnormal region to determine the position and size of a defect, and generating a detection result report. According to the method, the optical distortion effect of the transparent package on the background pattern is analyzed, invisible defects are converted into detectable background changes, different enhancement strategies are adopted for different types of areas, the defect detection problem of the transparent package is effectively solved, and the detection sensitivity and accuracy are improved.

The utility model relates to the technical field of automatic sample sealing, in particular to a portable automatic sample sealing device for livestock, poultry and aquatic products, which comprises a lower loading belt and an upper label belt, the lower loading belt and the upper label belt are respectively placed on different unwinding rollers in the device, a packaging mechanism is arranged between the unwinding rollers and a winding roller, and the packaging mechanism is connected with the winding roller. The packaging mechanism comprises an upper hot pressing block arranged above the upper label belt and a lower packaging cutting block arranged below the lower label belt, the lower label belt and the lower label belt penetrate through the packaging mechanism and are wound by different winding rollers, and the winding rollers are driven by a first motor; when the lower object carrying belt, samples on the lower object carrying belt and labels on the upper label belt are conveyed to the packaging mechanism together, the upper hot-pressing block moves downwards to drive the upper label belt and the lower object carrying belt to move towards the lower packaging and cutting block, and the packaged samples are cut off from the upper label belt and the lower object carrying belt while hot-pressing packaging is completed. Through the mechanism, the bag sealing operation can be conveniently and quickly carried out on the sample.

The present application relates to the technical field of package quality detection, and particularly relates to a paste package detection system, which comprises: a conveying module, used for conveying paste package samples to be detected; a detection module, connected with the conveying module, used for determining a detection mode according to paste viscosity and detecting the samples to be detected, wherein the detection mode comprises a first detection mode and a second detection mode; a data analysis module, connected with the detection module, used for determining a fluctuation abnormal characteristic value according to data of the first detection mode obtained by the detection module, determining the qualification of package sealing according to the fluctuation abnormal characteristic value, and determining the qualification of package sealing according to a deformation recovery index determined according to the second detection mode; and a sorting module, connected with the data analysis module, used for sorting unqualified samples according to a determination result of the data analysis module. The present application improves the efficiency and accuracy of paste package quality detection.

The invention discloses a multi-stress coupling screening method and system for a silicon carbide device, and relates to the technical field of semiconductor devices, and the method comprises the following specific steps: S10, carrying out the pretest of a packaged sample device, and obtaining an expected value and an expected ratio of main electrical parameters of the device; s20, testing the limiting temperature of the to-be-tested device to obtain key electrical parameters of the to-be-tested packaging device at the limiting temperature; s30, testing the to-be-tested device at normal temperature to obtain key electrical parameters of the packaged device at normal temperature; and S40, carrying out data comparison and abnormity judgment on the to-be-detected device. According to the method, the multi-stress coupling screening method and system have defect coverage comprehensiveness, defects of gate oxide, packaging, channels and the like are captured at the same time, and a blind area of traditional single stress screening is avoided; through multi-stress coupling and double-stage testing, high-precision screening is realized in a relatively short time; the scheme frame can be adapted to all packaging forms of the silicon carbide power device at the current stage and the silicon carbide power devices with various voltage and current grade specifications.

A computer-implemented method (300) for generating a sampling signal comprising a sampling position (106a-c) and a sampling time point for collection of package samples for quality assessment in a system (100) comprising a food processing line (236) and a packaging line (238) is disclosed. The food processing line (236) is arranged to process a food product and the packaging line (238) is arranged to produce packages filled with the food product. The method (300) comprising obtaining (302) a sampling plan dependent on a trigger event, wherein the trigger event is associated with a production event associated with an equipment switch, a food product batch switch, a packaging material batch switch, an equipment settings switch and / or an equipment state change, obtaining (303) the trigger event, determining (304), based on the sampling plan and the trigger event, the sampling time point and the sampling position (106a-c) in the packaging line (238), and transferring (306) the sampling signal to a sample collector (212a,b) in the sampling position (106b) downstream a filling machine (102) in the packaging line (238).

This application discloses a method, apparatus, device, medium, and product for identifying a target application. The method involves acquiring network traffic data of the application and extracting stable features, which are inherent characteristics of the application based on its development framework. The stable features of the application are then identified according to a pre-set stable feature library, generating an identification result. The stable feature library includes stable features of multiple fraudulent application installation package samples and tags for each sample; the stable features differ between different fraudulent application installation packages. If the stable features of the identified application match the stable features of any fraudulent application installation package sample, the application is identified as a target application. Finally, the target application is blocked based on the volatile features corresponding to the tags in the network traffic data; different tags correspond to different volatile features.

The application provides a positioning mark structure for wafer testing, an exposure area and a wafer. The positioning mark structure for wafer testing is located in a test structure of an exposure area on a wafer, and comprises a plurality of positioning mark units. Each positioning mark unit is arranged between two pads, and comprises a fuse device, a diode and a resistor in series. Before cutting and packaging the exposure area, a preset voltage is loaded to each positioning mark unit to mark the state of the positioning mark unit. The state combination of the positioning mark units constitutes mark information of the positioning mark structure, so as to represent the position of the test structure on the wafer. The mark and identification process using the positioning mark structure is simple. In the reliability test, the position identification information of the packaged sample can be quickly and conveniently known by acquiring the mark information, the accuracy is high, the traceability is good, manual marking is not needed, human errors are avoided, the numbering information is not lost due to abrasion or wiping, and the accuracy and efficiency of the test are improved.

The present invention relates to the field of airtightness testing technology, and in particular to a retail and wholesale channel supervision system based on a cloud platform, comprising a testing chamber, and further comprising: a testing module for testing the airtightness of packaging samples provided by a channel supply end, comprising a space simulation component, an internal pressure testing component for simulating the internal air pressure environment of the packaging sample, and a depression testing component for detecting the depth of the depression of the packaging sample; an environmental simulation module for simulating different storage conditions of the packaging sample, comprising a low-pressure simulation component for simulating the low-pressure environment of the packaging sample by extracting gas from the internal space of the testing chamber, and a low-temperature simulation component for simulating the low-temperature environment of the packaging sample by absorbing heat from the internal space of the testing chamber; and a control module for determining samples that fail airtightness testing based on the gas permeability. The present invention improves the accuracy of packaging airtightness testing, can achieve cloud-based management and control, and ensure the quality of channel products.

The utility model discloses a test fixture for a photometric integrating sphere, which comprises a base box and a rotating column, the top surface of the base box is rotatably connected with the rotating column in a penetrating manner, the top surface of the rotating column is fixedly provided with a rotating disc, and the top surface of the rotating disc is provided with a test groove. The beneficial effects of the utility model are that by adopting the rotating disc which rotates in a positioning manner and the testing grooves which are arranged on the top surface of the rotating disc and are distributed at equal angles, when a packaging sample is tested, the packaging sample can be placed in the testing grooves and is electrically connected with the wiring terminal, and then the light inlet position of the photometric integrating sphere is adjusted, so that the testing accuracy is improved. In the testing process, the stepping motor drives the driving gear to rotate, further drives the driven gear to rotate, further drives the rotating column and the rotating disc to rotate in a positioning mode, enables the packaged sample to be automatically aligned with the incoming light in the rotation switching process, improves the detection accuracy, and reduces the detection cost. And therefore, the use convenience is improved.

The invention relates to the technical field of package quality detection, in particular to a pasty fluid package detection system which comprises a conveying module used for conveying a pasty fluid package sample to be detected; the detection module is connected with the conveying module and is used for determining a detection mode according to the viscosity of the paste and detecting the sample to be detected, and the detection mode comprises a first detection mode and a second detection mode; the data analysis module is connected with the detection module, and is used for determining a fluctuation abnormal characteristic value according to the data of the first detection mode obtained by the detection module, judging the qualification of the package sealing according to the fluctuation abnormal characteristic value, and judging the qualification of the package sealing according to the deformation recovery index determined by the second detection mode; and the sorting module is connected with the data analysis module and is used for sorting unqualified samples according to a judgment result of the data analysis module. According to the invention, the efficiency and accuracy of paste packaging quality detection are improved.

The present invention relates to a method and an X-ray diffraction apparatus for angular dispersion X-ray diffraction analysis of an analyte (sample) ("encapsulated sample") confined in a package. In one embodiment, a method includes arranging a first primary X-ray optic between an X-ray source and an encapsulated sample to focus X-rays from the X-ray source into a focused X-ray beam of converged or parallel X-rays and direct the focused X-ray beam toward the encapsulated sample; and arranging a first secondary X-ray optic between the encapsulated sample and the X-ray detector. The encapsulated sample is irradiated with a focused X-ray beam of converged or parallel X-ray beams by an X-ray source, the X-rays having an energy greater than about 9 keV while the analyte is confined in the package. The first secondary X-ray optic is configured such that a first portion of the diffracted X-rays passes therethrough to be detected by the X-ray detector and a second portion of the diffracted X-rays is prevented from being detected by the X-ray detector, with the first portion of the diffracted X-rays coming from an area within the package.

The application discloses a sample wrapping and shrinking device which is used for wrapping a tin foil cup around a sample and comprises a support, a plurality of pressing blocks, wherein the number of the pressing blocks is six, one end of the six pressing blocks is arranged on an end surface of a through hole in a circumferential angle and is rotatably arranged, a first driving plate is arranged on a top surface of the pressing blocks, is rotatably arranged on the end surface, and is provided with a first strip-shaped protrusion which extends along an outer circumferential direction, a second driving plate is arranged on a bottom surface of the pressing blocks, is rotatably arranged on the end surface, and is provided with a second strip-shaped protrusion which extends along the outer circumferential direction, the first strip-shaped protrusion and the second strip-shaped protrusion are aligned in a vertical direction and are used for driving the pressing blocks to move towards a center of a circle or a circumferential direction, a first limiting plate is arranged on a top surface of the first driving plate, and a second limiting plate is arranged on a bottom surface of the second driving plate. The sample wrapping and shrinking device has the advantages of simple structure, easy production and processing, smooth sample wrapping process, reduced possibility of tin foil damage, good process performance and economy.

The utility model discloses a thermostat wax package verification experiment tool convenient to disassemble and assemble, which belongs to the technical field of thermostat wax package experiments and comprises a wax package sample piece and a tool assembly. The wax package sample piece comprises a cylinder sleeve and a cylinder cap, the cylinder sleeve is a cylinder body with one open end, the cylinder cap is detachably connected to the open end of the cylinder sleeve, and a push rod extending into the cylinder sleeve is arranged on the cylinder cap in a penetrating mode; the tool assembly comprises a base, a main spring and a frame plate which are sequentially arranged, a groove used for longitudinally inserting a wax package sample piece is formed in the base, the main spring is used for being arranged on the sleeve in a sleeving mode, a through hole used for being arranged on the sleeve in a sleeving mode and capable of rotating around the sleeve is formed in the frame plate, and limiting columns used for limiting the frame plate to move upwards are fixedly connected to the two opposite sides of the base. According to the utility model, the wax-coated sample piece can be reused, so that the labor cost and the material cost in the sample piece manufacturing process are saved; and the structure of the tool assembly is optimized, so that the tool assembly is relatively convenient to disassemble and assemble, and multiple experiments of different paraffin proportions can be conveniently carried out.

The utility model discloses a vacuum packaging drying box, which belongs to the technical field of vacuum packaging drying and comprises a cooling chamber and drying chambers symmetrically arranged on two sides of the cooling chamber, material moving components are arranged in the drying chambers and the cooling chamber, a cooling table and a packaging bottom cover arranged on the cooling table are arranged in the cooling chamber, and the packaging bottom cover is arranged on the cooling table. A lifting device is arranged at the top of the cooling chamber, and a packaging tank body corresponding to the packaging bottom cover is arranged at the telescopic end of the lifting device. According to the scheme, the drying chamber can rapidly heat and dry a sample, the cooling chamber can cool the dried sample, the vacuum drying chambers are arranged on the left side and the right side, and the vacuum cooling chamber is arranged in the middle, so that the drying and cooling processes can be continuously carried out, and the overall working efficiency is improved; meanwhile, the sample can be packaged in the packaging tank body and the packaging bottom cover, vacuum packaging is achieved, the sample can be stored in a vacuum environment for a long time, pollution is avoided, and carrying is convenient.

The invention provides a health care product package integrity detection method based on cooperative efficiency and intelligent detection. The method comprises the following steps: S1, detecting time-space synchronization and hardware module calibration of a system; s2, collecting whole-domain space-time synchronous data of health care product packaging; s3, packaging sample feature preliminary screening and suspected sample extraction; s4, performing spatial visual three-dimensional point cloud accurate reconstruction on the suspected sample; s5, carrying out fusion mapping on the multi-modal sensor data and the three-dimensional point cloud model; s6, defect feature accurate identification and feature gradient feedback; s7, defect grade judgment and full-dimension cross check are carried out; s8, performing incremental training and full-process algorithm optimization on the detection model; and S9, carrying out production line cooperative execution and full-process feedback of a detection result. Through multi-algorithm two-way closed-loop fusion and full-process cooperation, the accuracy and reliability of package defect identification are improved, the real-time detection requirements of an industrial production line are met, meanwhile, full tracing of detection data and continuous optimization of detection performance are achieved, and the health care product package quality is guaranteed.