123 results about "Paper sample" patented technology

The invention relates to the field of material performance detection, and discloses a corrugated paper moisture regain resistance detection method and system, and the method comprises the steps: firstly obtaining a corrugated paper sample storage environment, collecting environment data, carrying out dynamic moisture absorption analysis according to the environment data, and calculating a moisture permeation rate; analyzing the damp state of the structure in combination with the rate, querying a moisture regain index, and then carrying out layered humidity detection to obtain interlayer moisture change data; calculating anti-moisture regaining residual strength based on the data, generating an anti-moisture efficiency index by combining temperature and humidity, and dividing moisture regaining risk grades; and finally, configuring multi-order early warning indexes according to grades, positioning an edge moisture absorption area, calculating a diffusion gradient value, generating a humidity stable signal, sending the humidity stable signal to the terminal, and formulating a moisture regain detection strategy according to feedback. The corrugated paper moisture regaining detection accuracy can be guaranteed.

The invention discloses an insulation paper aging state evaluation method and device, equipment, a medium and a product, and relates to the technical field of insulation paper aging state evaluation. Carrying out terahertz time-domain spectroscopy test on the aged insulation paper sample to obtain a terahertz time-domain spectroscopy signal of the aged insulation paper sample; fourier transform is carried out on the terahertz time-domain spectral signal to obtain a terahertz frequency-domain absorption spectrum of the aged insulation paper sample, and optical parameters of the aged insulation paper sample in a terahertz frequency band are extracted; based on the Pearson's related absorption theory, using optical parameters to propose an aging characteristic quantity with absorption spectrum similarity as a characteristic, and calculating a similarity value between the aging sample insulation paper and a reference; and evaluating the aging condition of the to-be-tested insulation paper in the oil paper insulation system according to the similarity value. According to the invention, a new idea is provided for accurate and lossless evaluation of the aging state of the insulation paper in the oil paper insulation system.

The invention relates to the field of bacterial sampling, in particular to a sampling device for bacterial detection, which comprises a test tube seat, a test tube is detachably connected onto the test tube seat, a support is arranged on the test tube seat, a paper sample frame is arranged on the support, the paper sample frame is positioned on one side, far away from the test tube seat, of the test tube, and an alignment opening is formed in the paper sample frame. The paper sample frame is used for placing a paper sample carrying a sample, and the sample on the paper sample is positioned in the alignment opening; a sampling assembly is fixedly connected to the bracket and comprises a laser transmitter, a first preserving fluid releaser and a controller; the controller is used for controlling the laser transmitter to burn a through hole in the paper sample on the periphery of the sample after the paper sample is placed, and then controlling the first preserving fluid releaser to release the preserving fluid, so that the preserving fluid washes the sample and enters the test tube through the through hole and the alignment opening. By adopting the technical scheme provided by the invention, the through holes can be burnt on the paper sample, so that the sample flows into the test tube under the washing of the preserving fluid, the sample does not need to be contacted, and the use of consumables and the disinfection frequency are reduced.

The invention relates to the field of substance moisture content detection, and particularly discloses a Xuan paper moisture content nondestructive testing method based on a near infrared reflection spectrum, which comprises the following steps: acquiring near infrared spectrum data of to-be-tested Xuan paper, inputting the near infrared spectrum data into a detection model, and then outputting a moisture content value of the to-be-tested Xuan paper, the method for constructing the detection model comprises the following steps: a, sample preparation: generating a multi-gradient water content Chinese art paper sample set through humidity control; b, spectrum acquisition: acquiring a reflection spectrum of the Chinese art paper sample in a set wavelength range; c, characteristic wavelength screening: carrying out characteristic wavelength extraction on the original spectrum data by adopting a competitive self-adaptive reweighting algorithm; and d, model training: establishing a partial least squares regression prediction model as a detection model based on the screened characteristic wavelengths. According to the method disclosed by the invention, the water content of the Chinese art paper is measured by utilizing the online nondestructive measurement characteristic of the NIRS technology, so that the rapid and nondestructive measurement of the water content of the Chinese art paper cultural relic body is effectively realized, and the preventive protection of the paper cultural relics is realized.

The invention provides a three-dimensional to two-dimensional combined garment pattern rapid generation method, and belongs to the technical field of garment customization. Scanning to obtain three-dimensional scanning data of the to-be-customized object, and obtaining a three-dimensional model of the to-be-customized object; converting the three-dimensional model into a three-dimensional virtual model through virtual fitting software; a 3D clothing basic model is obtained through the three-dimensional virtual model; establishing a parameterized structure model; and generating a 2D clothing pattern. According to the method, rapid generation of three-dimensional to two-dimensional clothing patterns is studied, and personalized patterns which most accord with human body characteristics can be rapidly obtained according to the body type of a person; the paper pattern generation method provided by the invention is stable, rapid and good in effect; virtual fitting and pressure simulation results show that the sample plate generated by the parameters can meet the requirements of different fit degrees, the comfort is good, a new parameter paper pattern generation method is provided for fit clothes, and generation and manufacturing of fit clothes paper patterns can be completed more efficiently and intelligently.

The utility model discloses a fixing device for a fluorescence brightness test of cigarette paper. The fixing device comprises a bottom plate; the bottom plate is U-shaped, a gear is arranged on the bottom plate, a wheel groove is formed in the bottom wall of the bottom plate, a rack is arranged on the wheel groove in a sliding mode, and the gear and the rack are arranged in a matched mode; a top plate is arranged on the top of the bottom plate in a matched mode, a slotted hole is formed in the top plate, a driving rod is arranged on the rack and penetrates through the slotted hole of the top plate to extend, and a fixing plate is arranged on the driving rod. According to the device, the tested cigarette paper samples with different widths can be pushed to test positions, the samples are prevented from displacement and light leakage, and the test positions are accurate, smooth and not scattered.

The utility model discloses a sample cutting device. The sample cutting device comprises a rack; the bedplate is arranged on the rack, a sample outlet hole penetrating through the bedplate is formed in the bedplate, and the shape of the sample outlet hole is the same as that of a paper sample; the cutting board is arranged above the platen, the cutting board can slide between a first position and a second position in the vertical direction, and a blade assembly is arranged on the lower surface of the cutting board; the driving mechanism is used for driving the cutting board to move in the vertical direction and comprises a gear and a rack, the gear is hinged to the rack, the rack extends in the vertical direction and is slidably arranged on the rack, the gear is meshed with the rack, and the cutting board is arranged at the bottom of the rack; when the cutting board slides to a first position, the blade assembly is inserted into the sample outlet hole; and when the cutting board slides to the second position, the blade assembly is positioned above the sample outlet hole. The paper sample cutting device can rapidly cut paper samples, guarantee the quality of the paper samples, improve the accuracy of detection results and reduce detection errors.

The invention discloses a method for rapidly identifying the type of yellow spots on the surface of a cigarette by using an infrared spectrum, and relates to the field of tobacco and cigarette products, and the method comprises the following steps: cutting a cigarette paper sample with yellow spots from cigarette paper of a yellow spot cigarette as a yellow spot sample; a cigarette paper sample without yellow spots is cut from the blank cigarette paper outside the yellow spot area to serve as an out-spot cigarette paper sample; the method comprises the following steps: respectively placing a yellow spot sample and an out-spot cigarette paper sample in an ATR part of an attenuated total reflection infrared spectrometer, collecting ATR-FTIR spectral data of the samples, and calculating an A value; comparing the A value of the macular sample and the A value of the out-of-spot cigarette paper sample with a database, performing auxiliary judgment by combining with the characteristic peak form, and judging the type of the macular according to a comparison result.

The present invention belongs to the technical field of cigarette production and detection, and relates to a cigarette paper cutter, comprising a placing table, a base is integrally formed at the bottom of the placing table, a mold table is arranged in the middle of the placing table, a fixing column is installed at the bottom end of the mold table, a first knife groove is arranged between the placing table and the mold table, a transverse plate is installed on the base, the fixing column is installed on the transverse plate, a pressing plate and a lifting frame are hingedly installed on the placing table, a first hinged frame is integrally formed on the pressing plate, a knife table is arranged above the lifting frame located at one end of the lower part of the mold table, a hinged seat is arranged on the pressing plate, a smoothing mechanism is hinged on the hinged seat, and is used for the problem that when the packaging paper is currently cut, the edge of the packaging paper sample is left with upturned burrs due to the pressure of the knife, which increases the bending resistance of the sample cigarette paper and affects the detection result, and at the same time, the existing device has a large safety hazard.

The present application relates to the field of material performance detection, and discloses a corrugated paper moisture resistance detection method and system, comprising: first, obtaining the storage environment of the corrugated paper sample and collecting environmental data, and then performing dynamic moisture absorption analysis and calculating the moisture penetration rate; then, combining the rate analysis structure with the moisture state, querying the moisture regain index, and then performing layered humidity detection to obtain interlayer moisture change data; then, calculating the moisture resistance residual strength based on the data, generating the moisture resistance efficiency index combined with temperature and humidity, and dividing the moisture regain risk level; finally, configuring multi-stage early warning indicators according to the level, positioning the edge moisture absorption area and calculating the diffusion gradient value, generating a humidity stability signal and sending it to the terminal, and formulating a moisture regain detection strategy according to the feedback. The present application can guarantee the accuracy of the corrugated paper moisture regain detection.

The invention relates to an electric-thermal combined aging simulation system and an aging simulation method of oiled paper. The system comprises an aging oven, a sealing oil groove arranged in the aging oven, and an electrode module and a temperature control module which are arranged in the sealing oil groove, the sealed oil groove is filled with insulating oil, the electrode module comprises an upper electrode and a lower electrode parallel to the upper electrode, and an oil paper sample is placed between the upper electrode and the lower electrode; the electrode module is used for applying an electric field to the surface of the oiled paper sample to simulate the electrical aging process of the oiled paper sample; and the temperature control module is used for adjusting the temperature of the insulating oil in the sealed oil groove in the process of simulating the electrical aging of the oiled paper sample so as to simulate the process of the combined action of thermal aging and electrical aging of the oiled paper sample. By adopting the method, accurate control of electric-thermal aging can be realized.

The invention relates to the technical field of decorative paper quality detection, and discloses a multi-scale texture feature extraction and intelligent discrimination algorithm and system in decorative paper online quality detection.The algorithm comprises the steps that firstly, a high-definition texture image of a decorative paper sample to be detected is collected, and a three-level scale decomposition threshold value is preset; and performing three-level scale decomposition and feature extraction on the high-definition texture image to obtain a multi-scale texture image group and a multi-scale texture feature set. Then constructing a texture quality attention model to obtain a multi-scale attention weight vector set; based on the multi-scale attention weight vector set, performing weighted fusion on the multi-scale texture features to obtain a multi-scale fusion feature set; and finally, performing quality judgment on the to-be-detected decorative paper sample according to the multi-scale fusion features to obtain a quality judgment grade of the to-be-detected decorative paper sample. According to the method, the three-dimensional morphology of the reticulate pattern surface can be accurately reconstructed, the morphological parameters of the reticulate patterns are quantitatively extracted, and the printing quality and efficiency of gravure printing of the decorative paper are remarkably improved.

The invention belongs to the technical field of epoxy resin and impregnated paper sample wafer aging defect diagnosis, and discloses an epoxy resin and impregnated paper sample wafer aging defect diagnosis and service life prediction system. Comprising a thermal aging treatment module, a dielectric property test module, a main control module, a mass loss calculation module, an aging degree analysis module, a physicochemical property detection module and a life prediction module. According to the invention, a thermal aging test platform for the epoxy resin sample wafer and the epoxy impregnated paper sample wafer is established, the research on the aging degree rule of the sample wafer is completed from multiple angles of dielectric properties, Fourier infrared spectroscopy, mass loss rate and scanning electron microscope, and the research on the aging degree rule of the epoxy resin sample wafer and the epoxy impregnated paper sample wafer along with the deepening of the aging degree is elaborated. The changes of the surface appearance and the micromolecular structure of the dry-type bushing are explained in combination with the dielectric property, and a theoretical basis is provided for subsequent dry-type bushing aging degree judgment.

The utility model discloses an automatic detection device for flat paper samples, comprising a bottom plate, a conveyor belt fixedly connected to the top of the bottom plate, a mounting block fixedly connected to one side of the conveyor belt, an upper pressure rod fixedly connected to one side of the mounting block, a first drive motor fixedly connected to one side of the upper pressure rod, a mounting frame fixedly connected to one side of the mounting block, a storage device fixedly connected to the top of the mounting frame, a detection camera fixedly connected to the bottom of the storage device, a sorting box fixedly connected to one side of the mounting frame, a waste plate fixedly connected to one side of the sorting box, and a baffle fixedly connected to the top of the waste plate. The utility model provides an automatic detection device for flat paper samples, which has the advantages of reasonable structural design, automatic detection, automatic sorting, etc., thereby effectively solving the problems and shortcomings of existing devices.

The utility model discloses a female underpants's pattern base structure, including front piece plate, back piece plate, front wave and back wave, the bottom of the front piece plate is provided with the front waistline, one side of the front piece plate is provided with the front crotch curved line, the other side of the front piece plate is provided with the front side sewing line, the top of the front piece plate is provided with the front foot mouth surrounding line, and the back piece plate is provided with the front crotch curved line and the back side sewing line. A rear waistline is arranged at the top of the rear sheet plate, and a rear crotch bent line is arranged on one side of the rear sheet plate; according to the utility model, the female underpants are divided into two parts along the center line, and when the pattern design is carried out, the standard underpants pattern can be obtained by respectively drawing the two templates on the paper, so that various different styles of female underpants patterns can be designed, the trouble that formula calculation needs to be carried out every time the pattern design is carried out is saved, and the design efficiency is improved. When the paper pattern template is applied in actual production, the operation is convenient and fast, and errors caused by operation of different template designers according to personal subjective experience in the past can be solved.

The invention discloses a Matlab-based intelligent conversion method from a garment style drawing to a paper pattern, and relates to the technical field of garment design, the Matlab-based intelligent conversion method comprises a bottom plate, supporting legs are fixedly connected to the bottom of the bottom plate, a box body is fixedly connected to the top of the bottom plate, and a case body is fixedly connected to the bottom of an inner cavity of the box body; one side of the box body is detachably connected with a box door, a heat dissipation mechanism is arranged in the box body, a dustproof mechanism is arranged in the box body, and an installation mechanism is arranged in the box body. Heat dissipation is carried out through the cooling mechanism in a mode of simultaneously carrying out water cooling and air cooling, the heat dissipation effect of the device is effectively improved, the heat dissipation effect of the device is better than the heat dissipation effect of purely depending on increase of the air circulation amount in the case, the heat dissipation effect of the device is prevented from being affected by blockage of heat dissipation holes through a dustproof mechanism, and the heat dissipation effect of the device is not affected through a mounting mechanism. And the box door can be disassembled without any tool, so that the use convenience of the device is improved.

The utility model provides a detachable sampler, relates to the technical field of samplers, and aims to solve the problems that when an existing detachable sampler is used for cutting and sampling test paper, a cutting mold of the detachable sampler can only adapt to a single size specification, and cannot be flexibly switched to other sizes during sampling operation, so that the sampling efficiency is high. The paper sample size detection device comprises a lower pressing shaft and a fixed lantern ring, the bottom of the lower pressing shaft is fixedly connected with a cutting plate; and an overlapping lantern ring is arranged in the fixed lantern ring. The overlapping lantern ring is arranged in the fixing lantern ring, the cutting lantern rings with different diameters can be fixed in an overlapping mode, the multiple sets of cutting grooves with the diameters shrunk inwards are formed in the bottom of the cutting plate and can be matched with the cutting lantern rings, and by means of the structure, the sampling device can meet the cutting requirements of various paper samples with different sizes and adapt to diversified test scenes.

The invention discloses a nondestructive testing method, system and equipment for the moisture content of insulation paper, a medium and a product, and relates to the field of insulation paper moisture content detection.The method comprises the steps that an insulation paper standard sample with gradient moisture content is prepared, and the standard sample moisture content and a standard sample terahertz time-domain spectrum of the insulation paper standard sample are tested; determining a standard sample time domain signal according to the standard sample terahertz time domain spectrum, and calculating a peak ratio and a phase difference between the standard sample time domain signal and a reference signal; the peak ratio of the standard sample time domain signal to the reference signal and the phase difference are terahertz characteristic parameters; fitting the ratio of the peak ratio to the phase difference with the water content of the standard sample, and determining a quantitative evaluation curve; and inputting the terahertz time-domain spectrum of a to-be-detected insulation paper sample into the quantitative evaluation curve, and determining the water content of the to-be-detected insulation paper sample, so that the water content evaluation error can be reduced, and the application range is expanded.

1. Name of the product in this design: Intelligent Desktop Scanner. 2. Application of this design: This design is used for scanning the appearance of planar materials (including physical objects and paper patterns, etc.), which can collect the appearance information of the scanned material, extract the material outline, and can be used for material cutting and processing. 3. The key design feature of this product is its shape. 4. Images or photographs that best illustrate the design's key points: Reference images.

The invention belongs to the technical field of bent pipe machining, and particularly relates to a steel large-diameter pipeline bent pipe on-site forming method which comprises the steps that the bending angle is measured through a rope and a protractor; the outer perimeter of the pipe is measured by a tape; the bending radius is calculated, and the back height and the belly height of the end joints are calculated according to a given formula; after the steel pipe is horizontally and stably supported, popping up two axial center lines by using the ink box, popping up a bus at equal division points of the circumference, sequentially marking flush opening intersection points of end joints and middle joints according to calculated sizes, and connecting to form a closed cutting line; cutting along a line by using oxygen-propane neutral flame, numbering and assembling, controlling an alignment gap, cutting a V-shaped groove on site, remeasuring the angle by using a protractor after spot welding, correcting distortion, and turning, welding and forming. The bent pipe can be manufactured on the steel pipe feeding and discharging without a material paper sample plate, material paper sample plate manufacturing can be omitted, sample plate errors are avoided, bent pipe manufacturing precision is improved, meanwhile, the method can adapt to the field construction environment, the technology is simplified, rework and material waste are reduced, cost is reduced, and construction efficiency is improved.

The invention belongs to the technical field of electrical equipment manufacturing, and discloses a dry-type bushing capacitor core multi-defect isomorphic sample preparation and test platform which comprises a sample preparation system and a test system. The sample wafer preparation system is used for preparing epoxy impregnated paper isomorphic sample wafers containing microcracks, bubbles, point discharge and different damp degrees by accurately controlling the raw material ratio, the pouring process and the curing conditions, so that various defects in an actual dry type sleeve are really simulated. An epoxy resin sample wafer and an epoxy impregnated paper sample wafer which are attached to a dry type core material and structure are designed, preparation raw materials, molecular formulas, characteristics and parameters of the epoxy resin sample and the epoxy impregnated paper sample are provided, and detailed technologies are carried out on the preparation process and equipment used in the preparation process. The insulation sample with the size required by the experiment is obtained; and the preparation process of the subsequent test sample is determined. And secondly, a capacitor core material performance test system is formed, and the accuracy and comprehensiveness of material performance evaluation are improved.

The utility model relates to the technical field of clamping, in particular to a clamping device for detecting a sample, which comprises a base and a clamping mechanism, a rectangular groove is arranged in the middle of the base, and test paper for detecting the sample is placed in the rectangular groove; the clamping mechanism comprises a clamping cover plate and a positioning block, four inserting grooves are formed in the top of the base and located in the outer side of the side length of the rectangular groove, and the positioning block is arranged at the bottom of the clamping cover plate and matched with the inserting grooves. Clamping blocks are telescopically arranged on the side walls of the positioning blocks, clamping grooves are formed in the side walls of the inserting grooves, and the clamping blocks are clamped and matched with the clamping grooves; a pressing block is arranged at the bottom of the clamping cover plate and is used for pressing corners of the test paper of the detection sample. According to the utility model, the displacement of the test paper sample in the observation process of the electron microscope due to vibration and the like can be effectively prevented, and the accuracy of the observation result is ensured.

The invention relates to a paper literature deacidification effect evaluation method based on an anhydrous liquid phase, which comprises the following steps: setting an effectiveness index and a safety index, obtaining each index value of a deacidified paper sample by adopting a corresponding detection method, and comparing the values with a preset threshold value to realize evaluation of the deacidification effect. The effectiveness indexes comprise pH, alkali reserves, deacidification uniformity, polymerization degree and zero-distance tensile strength, and the safety indexes comprise chromatic aberration, appearance deformation and deacidification liquid safety; the deacidification uniformity is evaluated through the distribution uniformity of alkali reserves, and the distribution uniformity of the alkali reserves is that the relative standard deviation of the alkali reserves of a plurality of parts of the paper sample is less than 30%, and the alkali reserves of each part are 0.12-0.60 mol / kg. According to the method, systematic and comprehensive evaluation on the deacidification effect is realized, a clear standard can be provided for industrial admission of deacidification materials and processes, invalid or harmful deacidification treatment is avoided, development of a deacidification repair technology is promoted, and long-term storage and safe utilization of paper documents are realized.

The present invention belongs to the technical field of cigarette production and detection, and relates to a cigarette paper sampling and rotating smoothing device, comprising a placing table, a base integrally formed at the bottom of the placing table, a lower die table provided in the middle of the placing table, a fixed column installed at the bottom end of the lower die table, a first knife groove provided between the placing table and the lower die table, a horizontal plate installed on the base, the fixed column installed on the horizontal plate, a pressing plate and a lifting frame hingedly installed on the placing table, a first hinged frame integrally formed on the pressing plate, the lifting frame is located above one end of the lower part of the lower die table and is provided with a knife table, a hinged seat is hinged on the pressing plate, a rotating smoothing mechanism is hinged on the hinged seat, which is used to solve the problem that when the packaging paper is currently cut, the pressure of the knife leaves upturned burrs on the edge of the packaging paper sample, resulting in an increase in the bending resistance of the sample cigarette paper, affecting the detection result, and at the same time, there are major safety hazards in the existing device.

This invention relates to the field of substrate glass manufacturing and testing technology, and provides a method for testing the performance of spacer paper for substrate glass. The method includes: in a constant temperature and humidity clean environment, processing the testing equipment to constant weight; mixing and sampling multiple units of the spacer paper sample, and then transferring the samples to a constant-weight testing equipment for weighing; drying the samples at 105±2℃ to constant weight, and calculating the moisture content based on the mass difference before and after drying; and igniting the samples at 900±25℃ until completely ashed, and calculating the ash content based on the mass difference before and after ignition. This invention, through constant temperature and humidity operation and multi-unit mixed sampling, eliminates environmental interference and sampling bias, achieving continuous and accurate testing of moisture and ash content, and significantly improving the accuracy and repeatability of the test results.

The invention discloses a preparation method of high-stability electronic carrier tape body paper with square holes at high temperature and high humidity, and relates to the technical field of carrier tape body paper preparation processes. Defibering, pulping and mixing the pulp; the method comprises the following steps: defibering and pulping bleached softwood commercial pulp and bleached hardwood commercial pulp respectively, and then mixing together to form mixed pulp; s2; sizing in the mixed slurry, molding and drying; carrying out papermaking on the mixed pulp through a three-layer rotary screen paper machine, and spraying starch between layers for compounding; (S3); sizing and calendaring the surface of the dried paper sample; the paper sample is subjected to infiltration and film transfer sizing, and then the paper sample is subjected to super calendering to prepare the electronic carrier tape body paper. The problems that in the prior art, punching forming operation needs to be carried out on a carrier tape before braiding, the size of a hole after punching is changed due to water absorption of carrier tape paper, and consequently electronic components stand laterally or are clamped in the packaging process are solved.

The utility model discloses a cutting machine gun head structure with an automatic marking pen, which comprises a cutting platform, a multi-axis moving module and a gun head, the telescopic pen assembly comprises a fixing support arranged on the gun head, a lifting assembly arranged on the fixing support, a clamping base arranged at the moving end of the lifting assembly and a marking pen movably clamped on the clamping base, and the lifting assembly drives the clamping base to move up and down. The marking pen is descended through the lifting assembly, so that the pen point of the marking pen is in contact with kraft paper, the gun head is driven by the multi-axis moving module, the marking pen is made to draw and mark on the kraft paper, an operator can conveniently obtain a paper sample, the number of overall equipment needing to be arranged is reduced, and the overall cost input is effectively reduced; and drawing is directly carried out on the cutting machine, so that the overall working efficiency can be improved, and manual participation is reduced.

The application relates to the technical field of computer vision and image processing, and particularly discloses a paper surface mold spot growth dynamic detection method and device; the detection method comprises the following steps: S1, acquiring a surface visible light image of a paper sample to be detected; S2, pre-processing the surface visible light image; S3, inputting the pre-processed image into a mold spot segmentation model pre-trained to obtain a pixel-level segmentation result image, wherein the segmentation result image at least contains a mold spot area category and a paper healthy area category; and S4, based on the segmentation result image, calculating one or more quantitative indexes for representing mold spot growth states; the detection device comprises an image acquisition module, a preprocessing module, a segmentation module and an analysis module; and the application is beneficial to realizing high-precision segmentation of a paper surface mold spot area and dynamic quantitative analysis of a mold growth process.

The utility model discloses a test system for paper compounding fastness, which comprises two groups of rubber roller assemblies, a coating machine and a drying box, and the two groups of rubber roller assemblies are arranged at the feeding end of the coating machine and are used for pressing paper and an aluminum film and controlling the gluing amount; the coating machine is used for clamping paper and an aluminum film and enabling the paper and the aluminum film to pass between the two rubber roller assemblies at a constant speed under traction; the drying box is mounted on the upper side of the rear end of the coating machine and is used for drying the composite paper sample fed by the coating machine at a constant speed at a constant temperature; the two groups of rubber roller assemblies effectively improve the uniformity of a glue banner when paper and an aluminum film are laminated, the gluing amount and coherent drying of a drying box are controlled by controlling a gap between each group of rubber rollers and the speed of a coating machine, immediate drying is achieved after compounding, excessive permeation of glue is avoided, the actual compounding process of a user is achieved before a compounding test, and the production efficiency is improved. The paper and the aluminum film adopt the uniform compounding standard, the uniform coating amount and continuous drying after gluing are achieved, and the difference existing in manual compounding fastness detection is effectively avoided.