50 results about "Paper sample" patented technology

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 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.

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 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.

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 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.

The invention relates to an electric-wet combined aging simulation system and an aging simulation method of oiled paper. The system comprises a sealed cavity, an electrode module and a humidity control module, wherein the electrode module and the humidity control module are mounted in the sealed cavity; wherein the electrode module comprises a rod electrode fixed at the top of the sealed cavity and a plate electrode fixed at the bottom of the sealed cavity; the plate electrode is used for placing an oiled paper sample; the electrode module is used for performing halo discharge on the oiled paper sample so as to simulate the electrical aging process of the oiled paper sample; and the humidity control module is used for adjusting the relative humidity in the sealed cavity in the process of simulating the electrical aging of the oiled paper sample so as to simulate the electrical aging process of the oiled paper sample in a damp state. By adopting the method, electric field stress and humidity effects are considered simultaneously.

The invention discloses an insulation paper target attribute prediction method, system and device, and relates to the technical field of insulation materials, and the method comprises the steps: collecting the near infrared spectrum data of various types of insulation paper samples; constructing a domain adversarial neural network model, wherein the domain adversarial neural network model comprises an inter-domain shared feature extractor, a domain discriminator and a regression predictor; training the domain adversarial neural network model by adopting a staged strategy: in a feature learning stage, closing a gradient inversion layer to train the classification capability of a domain discriminator on different types of insulation paper samples; in an adversarial adaptation stage, starting a gradient inversion layer and dynamically adjusting inversion intensity, and forcing an inter-domain shared feature extractor to generate features irrelevant to the type of the insulation paper; inputting near infrared spectrum data of to-be-tested insulation paper into the trained prediction model, and predicting a target attribute value of the insulation paper; the method can improve the prediction performance of unknown samples.

The invention discloses an environment-friendly corrugated board edge pressure strength detection device. The edge pressure strength detection device comprises a machine body, a detection piece, a placement piece and a limiting mechanism, the detection piece is mounted at the top of the machine body; the placing piece is arranged in the machine body in a vertical lifting mode, and the top of the placing piece is located under the detection piece; the limiting mechanism is arranged on the placing piece, and the limiting mechanism is composed of a fixing block and an adjusting assembly; according to the invention, a limiting mechanism composed of a fixing block and an adjusting assembly is designed, and the fixing block is connected with the placing table, so that the stability of foundation positioning is ensured; the adjusting assembly is adjusted according to the thickness of the corrugated paper sample, and the position of the adjusting assembly is automatically locked after the adjusting assembly is adjusted to a designated position, so that the displacement risk caused by vibration or human touch in the testing process is effectively eliminated, and the limiting mechanism is clamped and attached to the corrugated paper sample.

The present application relates to the technical field of data analysis, and is a glass spacer paper defect detection method and system based on image recognition, specifically comprising: constructing a glass spacer paper stable laying evolution model to obtain a stable laying reference evolution state of a current paper sample to be detected; analyzing the disturbance influence of residual winding memory release on the image recognition result of the current paper sample to be detected; analyzing the additional influence of the delayed morphology evolution caused by the time-delayed rebound evolution process and the in-plane abnormal expansion process of the current paper sample to be detected after tension unloading on the image recognition result; constructing an image judgment correction model to output a corrected defect recognition result, and evaluating whether the glass protection effectiveness of the current glass spacer paper to be detected meets the use requirements according to the corrected defect recognition result. The present application solves the problem that there is a lack of effective early warning for delayed and evolution-type hidden defects in the prior art.

The application discloses a method for controlling the interlayer bonding strength of paper, which comprises the following steps: step S1, pretreatment, the multi-layer paper is pretreated, the fiber layer which does not need to be detected is peeled off, and only the detection layer to be detected is left; step S2, the detection layer is detected by an interlayer bonding strength tester; step S3, step S2 is repeated, the detection layer paper samples of different layers are detected respectively, the bonding strength of the corresponding detection layer of the paper is obtained, and the bonding strength present situation and problems of each layer are analyzed; and step S4, the content of the additive or the type of the fiber in one or more detection layers of the paper is adjusted, the bonding of the one detection layer or the different detection layers is controlled, the Z-direction strength of the paper after the adjustment is adjusted, and the single-layer detection or the interlayer detection of the multi-layer paper and the control of the bonding strength are realized.

This invention relates to the field of polymerization degree detection technology, and discloses a method and system for detecting the polymerization degree of insulating paper in transformers. The method includes acquiring viscosity data of insulating paper samples and corresponding solvent type, temperature change rate, and concentration difference; constructing a multi-dimensional feature vector and merging it into an original dataset; grouping and statistically analyzing by solvent, temperature, and concentration to obtain a set of correction factors and performing three corrections sequentially: when the temperature change exceeds a threshold, the viscosity is corrected using a temperature correction factor; when the solvent influence exceeds a threshold, the viscosity is corrected using a solvent correction factor; when the concentration difference from the standard value exceeds a threshold, the viscosity is adjusted using a concentration correction factor. Finally, a final viscosity set after multi-factor correction is obtained, and the polymerization degree value is obtained through the conversion relationship between viscosity and polymerization degree. This method can accurately establish a correction and calculation mechanism reflecting the true aging state of insulating paper under complex and variable experimental conditions, achieving high-precision detection of the polymerization degree.

The invention relates to the technical field of cultural relic restoration, in particular to a protection and restoration method for paper cultural relics based on a film transfer method. The method comprises the following steps: coating the surface of a water-based filter membrane with a bacterial cellulose repairing agent to form a BC repairing membrane on the water-based filter membrane; and the BC repairing film is transferred to the surface of the to-be-reinforced paper cultural relic, drying is conducted, the water-based filter film is removed, and the reinforced paper cultural relic is obtained. Compared with an instillation method, the method has the advantages that the paper cultural relics are integrally repaired and reinforced by adopting a film transfer method, the BC coating amount is smaller, the coating is more uniform, the permeability is higher, a breathable BC repairing film can be formed on the surface of the paper, the BC enables hydrogen bonds to be more tightly combined with the paper through film transfer, and the cultural relic protection and repairing principle of minimum intervention is met. The tensile index, the folding strength and the tearing index of the reinforced paper cultural relic prepared by adopting the film transfer method provided by the invention are remarkably improved, the pH value is also improved compared with that of a blank paper sample, and the comprehensive mechanical property is excellent.

The application discloses a paperboard folding and bursting resistance performance test method, a computer device and a storage medium. The method comprises the following steps: obtaining a first test paper sample; performing indentation on the first test paper sample to obtain a bursting index of the first test paper sample and an indentation coefficient corresponding to the bursting index; obtaining a second test paper sample, wherein the second test paper sample comprises at least two paper samples; performing indentation on one of the second test paper samples by using the indentation coefficient; performing stiffness testing on the second test paper sample after the indentation to obtain stiffness data of the second test paper sample after the indentation; performing stiffness testing on the second test paper sample without indentation to obtain stiffness data of the second test paper sample without indentation; calculating a folding factor of the second test paper sample according to the stiffness data of the second test paper sample after the indentation and the stiffness data of the second test paper sample without indentation; and obtaining the folding factor by calculation, so as to provide selectable parameters for subsequent processing.

The invention discloses an oil paper insulation characteristic measuring device which comprises a box body, a first measuring assembly and a second measuring assembly, an adjusting cylinder penetrates through a fixed cylinder and is in threaded connection with the fixed cylinder, a clamping plate is rotatably connected with the adjusting cylinder, and a first via hole and a second via hole jointly define a liquid inlet channel. The liquid injection pipe is communicated with the liquid inlet channel, the first voltage rod is electrically connected with the first electrode plate, a plurality of first through holes are formed in the peripheral wall of the liquid injection pipe, and a plurality of second through holes are formed in the peripheral wall of the adjusting cylinder; one end of the lower infusion tube is communicated with the infusion channel, the other end of the lower infusion tube extends out of the box body, and the second voltage rod is electrically connected with the second electrode plate. According to the oil paper insulation characteristic measuring device, air between the first electrode plate and the second electrode plate and the oil paper sample can be efficiently discharged, an air cavity is eliminated, interference of air dielectric characteristics on detection is avoided, accuracy of dielectric parameter measurement is guaranteed, and meanwhile electric field distortion is reduced.

This invention belongs to the field of solvent residue determination technology, specifically relating to a sample bottling device for solvent residue determination. The device includes a clamp with two clamping rods. A rotary drive module drives the clamp to rotate about the length of the clamping rods. A pressure roller is positioned with its side facing at least one clamping rod. A first transfer module drives the pressure roller to move parallel to the length of the clamping rods and / or away from the side of the clamping rods. A bracket has a receiving groove for placing headspace vials, and the bracket faces the ends of the two clamping rods to expose the bottle openings. A linear movement module drives the bracket to move parallel to the length of the clamping rods, so that the headspace vials are fitted over the paper sample wound around the two clamping rods. This invention improves winding efficiency and paper sample bottling efficiency, while reducing reliance on manual skill and training costs.

The invention discloses a method and a design system for evaluating aging of insulation paper, and the method comprises the following steps: obtaining near infrared spectrum data and corresponding actual polymerization degrees of insulation paper samples in different aging states, and carrying out the standardization and smoothing of the spectrum data; performing orthogonal decomposition on the polymerization degree matrix Y to obtain a projection part Y1 and a residual part Y2 of the spectrum matrix X; orthogonalizing the spectrum matrix X, and removing a component X1 collinear with Y1 to obtain a component X2 irrelevant to Y1; performing singular value decomposition on X2, extracting a first principal component direction t, performing linear regression on t by X, and taking an obtained regression coefficient as a weight w of each characteristic wavelength; normalizing the absolute value of the weight w to obtain the probability pi that each characteristic wavelength is filtered; generating a standard normal distribution random vector, taking an absolute value and normalizing the absolute value to obtain a threshold vector di; pi and di are compared, and pigt is filtered out; keeping pit according to the characteristics of di; obtaining an initial feature subset according to the features of di; constructing a partial least square regression model, calculating a polymerization degree predicted value and a root-mean-square error, and verifying the effectiveness of a subset; and iteratively optimizing the feature subsets for multiple rounds until the feature number is smaller than the PLS principal component number, and outputting the optimal feature subset corresponding to the minimum RMSE. The method can improve the prediction precision of the polymerization degree.

The invention discloses an experimental stove for observing coating distribution through a burning method, and relates to the technical field of experimental stoves. The supporting frame is arranged in the hearth; the movable block is arranged in the supporting frame, and the left side and the right side of the movable block are slidably inserted into the corresponding inserting grooves correspondingly. A clamping frame is fixed to the movable block, and the clamping frame and the supporting frame are arranged in a clamped mode. The two limiting blocks are arranged in limiting grooves formed in the outer sides of the inserting grooves in a penetrating mode respectively in a penetrating mode. The positioning stud is screwed and arranged in the supporting frame and the limiting block in a penetrating manner through threads; the grid mesh is arranged on the upper side of the movable block; connecting frames are symmetrically and fixedly arranged on the left side and the right side of the grid mesh, and positioning blocks are fixedly arranged on the outer sides of the horizontal ends of the connecting frames. Through the supporting frame capable of being moved out and the multi-linkage clamping mechanism, rapid and stable clamping of a paper sample in a hearth is achieved; the grid mesh constraint type design can effectively inhibit sample displacement and curling caused by high-temperature airflow, so that the accuracy and reliability of test data are remarkably improved, and meanwhile, the operation is convenient and safe.

The invention relates to the field of image processing, in particular to a m-aramid insulation paper chopped fiber orientation analysis method and device, and the method comprises the steps: obtaining a sample tomography image of a m-aramid insulation paper sample; performing image preprocessing on the sample tomography image to obtain a standard sample tomography image; extracting a pixel point orientation angle of each pixel point in the tomography image of the standard sample by using a Gaussian algorithm, and constructing an image orientation angle matrix; generating a directivity histogram and a color orientation distribution diagram according to the image orientation angle matrix, and calculating a comprehensive quantitative index according to the image orientation angle matrix; and comparing the comprehensive quantitative index with a fiber orientation standard database to obtain a chopped fiber orientation analysis result, and constructing a chopped fiber orientation analysis report of the meta-aramid insulation paper by utilizing the orientation histogram, the color orientation distribution diagram and the chopped fiber orientation analysis result. According to the method, the accuracy and efficiency of orientation analysis of the chopped fibers of the meta-aramid insulation paper can be improved.

The application provides a method, device and equipment for evaluating medical information research ability of a large language model, and relates to the technical field of artificial intelligence. The method comprises the following steps: inputting medical research query information into a plurality of to-be-tested large language models respectively to obtain to-be-evaluated papers output by the to-be-tested large language models; inputting the to-be-evaluated papers into a multi-modal evaluation model to obtain quality scores of the to-be-evaluated papers output by the multi-modal evaluation model, wherein the multi-modal evaluation model is obtained by training an initial evaluation model based on positive paper samples, negative paper samples and corresponding quality score labels, and the quality score labels are determined by performing fine-grained quality evaluation on the corresponding paper samples from multiple dimensions; and evaluating the medical information research ability of the plurality of to-be-tested large language models based on the quality scores of the to-be-evaluated papers to obtain evaluation results. The application can accurately evaluate the medical information research ability of a large language model.

The invention discloses a scanning CT-based paper uniformity detection method, which comprises the following steps: preparing an experimental material, shredding a cotton pulp board, soaking, defibering, filtering a pulp bag, spin-drying, pulping, balancing moisture, taking absolutely dry pulp for papermaking on production simulation former equipment, putting a paper sample after papermaking and drying into a constant-temperature and constant-humidity laboratory, standing, taking out, and drying to obtain a finished product. A scanning device paper sheet three-dimensional microscopic imaging system is used for carrying out scanning testing, data processing is carried out after scanning testing is completed, and paper sheet evenness data are obtained through Avizo software and STDEV functions in an Excel table. According to the method, high-precision detection is achieved, the distribution condition of fibers in the paper can be clearly shown, compared with a traditional detection method, the detection process is more automatic, the uniformity of the paper can be comprehensively evaluated, and a scientific basis is provided for optimization of the paper quality.

The invention provides a cigarette paper lap adhesive curing rate determination method and application thereof, and the cigarette paper lap adhesive curing rate determination method comprises the following steps: drying a cigarette paper sample until the weight is constant, and then weighing and recording the weight as m; coating a lap adhesive on the cigarette paper sample, and then weighing and recording as M; drying the cigarette paper sample coated with the lap adhesive, and then weighing and recording as Mn; and calculating the mass loss rate W and the curing rate Q according to the weighing result. According to the determination method provided by the invention, the curing rate of the cigarette paper lap adhesive can be accurately and efficiently determined, the shortest curing time of the cigarette paper lap adhesive can be efficiently determined, and technical support is provided for optimizing the cigarette production process, improving the cigarette product quality and prolonging the service life of soldering iron of a cigarette making machine.

The present application relates to the technical field of filter paper detection equipment, and particularly relates to a cigarette filter paper automatic detection device, which comprises a detector body, movable sliding blocks are symmetrically arranged on the platforms on the two sides of a detection table of the detector body and slide, a receiving table is arranged on each sliding block, a liftable clamping block is arranged above each receiving table, a movable sliding seat is arranged between the sliding blocks, a jacking block for jacking the filter paper sample is elastically connected to the sliding seat, locking pieces for locking the position of the jacking block are symmetrically and elastically connected to the inside of the sliding seat, a matching rod is symmetrically and elastically connected to the sliding seat, a trigger rod matched with the matching rod is arranged on each sliding block, and a mounting seat for limiting the position of the filter paper sample is symmetrically arranged on the side of each sliding block away from the detection table, and a liftable limiting block is arranged on the mounting seat. Thus, the present application can effectively correct the filter paper sample with a certain bending under the premise of avoiding excessive clamping of the filter paper sample, and improve the accuracy of detection.

This invention discloses a system and method for predicting the insulation breakdown strength of converter transformer oil paper, relating to the field of power system transformer technology. The method includes: measuring the breakdown strength values ​​of converter transformer oil paper at different aging levels; obtaining grayscale image features of converter transformer oil paper at different aging levels; establishing a database for analyzing the aging of converter transformer oil paper; placing converter transformer oil paper samples in a programmable temperature-controlled chamber; recording the changes in their grayscale values ​​at different temperatures; and calculating the grayscale correction slope. k； A dual-path imaging module is installed inside the manhole observation window of the converter transformer body. It collects images every hour and sends them back to the control center. The thermal images collected by the infrared focal plane thermal imager are processed to calculate the real-time operating temperature and obtain the predicted value of the oil-paper breakdown strength of the converter transformer.