88results about "Paper testing" patented technology

The invention belongs to the technical field of biological simulation, and discloses an anus cleaning effect evaluation method and system.The method comprises the steps that an execution assembly is controlled to wipe an anus anatomical structure with a to-be-detected sample according to a target wiping strategy, and a multi-mode sensing assembly is controlled to collect target parameters on the anus anatomical structure; obtaining target monitoring data; according to the residual dirt amount in the target monitoring data, a cleaning efficiency score is obtained through calculation, a target mechanical simulation model is called, according to the humidity permeation gradient value and the pressure value in the target monitoring data and the to-be-detected sample, a skin stimulation risk score is obtained through calculation, and the skin stimulation risk score and the cleaning efficiency score form a cleaning effect evaluation report. Simulation and prediction of the anus cleaning process are achieved, the simulation test effect and accuracy are greatly improved, and a cleaning effect evaluation report is given to illustrate the safety of the to-be-tested sample.

The invention relates to the technical field of paper detection, in particular to a paper finished product detection system based on a framework paper production process. By extracting defect information, modeling based on a graph structure and carrying out graph convolution operation to smooth an image, a defect area is accurately identified. Large-scale trend and small-scale local anomaly are separated through a wavelet decomposition technology, errors caused by environmental factors are eliminated through a local adaptive regression method, and the accuracy of thickness deviation is ensured. The density uniformity is calculated through ultrasonic feature extraction, the hyperspectral reflectivity is corrected in combination with a physical compensation method of chemical residues, and the chemical residue index is accurately obtained. The comprehensive quality index of the paper is obtained through comprehensive index calculation, so that whether the finished paper is qualified or not is judged, and a basis is provided for paper production adjustment of a production line.

The invention discloses a toilet paper embossing online monitoring method based on machine vision, and relates to the technical field of product monitoring. The method comprises the following steps: presetting a plurality of detection bits, acquiring multi-modal data, and extracting multi-source characteristic parameters; calculating a comprehensive damage index of each detection position through a weighted fusion algorithm based on the multi-source characteristic parameters, establishing a damage evaluation system according to the comprehensive damage indexes, and executing a repair strategy according to an evaluation result; an embossing roller is divided into a plurality of independent control subareas in the axial direction, and each subarea is provided with an independent pressure adjusting device. Obtaining a pressure compensation value of each partition through a partition pressure fusion compensation algorithm based on the partition basis weight data and the comprehensive damage index; and the pressure compensation value is sent to each subarea pressure adjusting device, and dynamic subarea adjustment of the embossing pressure is achieved.

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.

This application discloses a method, apparatus, equipment, and storage medium for calculating the moisture content of electrical insulation paperboard, relating to the field of transformer technology. The method for calculating the moisture content of electrical insulation paperboard includes: collecting data on the exposure time and environment of the target transformer body; calculating the moisture absorption rate of the electrical insulation paperboard of the target transformer body based on the exposure time and environmental data combined with a moisture absorption rate calculation model; calculating the stage saturated moisture content of the electrical insulation paperboard of the target transformer body based on the exposure time and environmental data combined with a stage saturated moisture content calculation model; and calculating the moisture content of the electrical insulation paperboard based on the exposure time, moisture absorption rate, and stage saturated moisture content. This method achieves accurate calculation of the moisture content of electrical insulation paperboard based on environmental information and a constructed calculation model without damaging the paperboard, improving the efficiency of moisture content calculation while ensuring real-time performance.

The invention discloses a gluing detection method and device, electronic equipment and a storage medium, and the method comprises the steps: detecting point positions in a point position set on tipping paper to obtain a detection signal corresponding to each point position, the point position set comprises point position subsets corresponding to all glue area types, and the point position subsets comprise point position subsets corresponding to all glue area types; each point position subset comprises point positions which are in the same glue area type but are different in position; for each current point location, determining a calibration signal corresponding to the current point location according to the detection signal corresponding to the current point location and the signal calibration relationship; according to the calibration signal corresponding to the current point location, the signal threshold range of the current point location and the calibration signal corresponding to the reference point location, the gluing result of the current point location is determined, and the reference point location is the point location which is located in the same point location subset as the current point location and corresponds to the current point location in position. According to the method, accurate and real-time detection of the gluing amount of different point positions on the tipping paper can be realized.

The utility model belongs to the technical field of recycled environment-friendly paper, and particularly relates to a detection device for recycled environment-friendly paper production, which comprises a triangular plate, a vertical column is welded at the top of the triangular plate, a rotating plate is rotatably mounted at one end, far away from the triangular plate, of the vertical column, and a clamping component is detachably mounted at the top of the rotating plate; the two clamping assemblies are arranged oppositely, and the movable end of the vertical column is fixedly connected with a movable clamping strip. According to the detection device for regenerated environment-friendly paper production, the multiple clamping assemblies and the movable clamping strips are installed on the rotating disc at equal intervals, the driving motor drives the rotating disc to rotate, clamped regenerated paper is made to pass through the position under the ejector block in turn to be detected, in the detection process, the detected regenerated paper can be synchronously disassembled, and the detection efficiency is improved. And undetected recycled paper is loaded, so that parallel operation of feeding, discharging and detection is realized, the shutdown time of the device is shortened, a continuous detection process is favorably realized, and the detection efficiency is further improved.

The print medium identification method includes (a) a step of obtaining first physical property information about a print medium, (b) a step of obtaining second physical property information which is different from the first physical property information about the print medium, (c) a step of obtaining first discrimination information for discriminating a type of print medium by inputting the first physical property information to a first discriminator, (d) a step of obtaining second discrimination information for discriminating the type of print medium by inputting second physical property information to a second discriminator, and (e) a step of identifying the type of print medium by using the first discrimination information and the second discrimination information.

The present invention relates to a sensing system (10) for monitoring a substrate (1), comprising a sensing unit (4) with first and second sensing elements (3A, 3B) configured to be inserted into the substrate (1); a signal generation unit (5) configured to apply an electrical signal to the sensing elements; a readout unit (6) configured to determine at least one electrical parameter as a result of the electrical signal being applied to the sensing elements (3A, 3B); and a processing unit (7) configured to determine at least an amount of water inside the substrate (1) among an amount of water in the substrate (1) and a nutrient concentration in the substrate (1), based on the determined at least one electrical parameter and an electrical model of a combination of the sensing elements (3A, 3B) and the substrate (1) in which they are inserted, wherein the electrical model comprises a first inductor modelling a first inductance (Lp1) of the first sensing element (3A) and a second inductor modelling a second inductance (Lp2) of the second sensing element (3B); a capacitor modelling a capacitance (Cp) between the sensing elements (3A, 3B); a resistor modelling a conductance (Gp) between the sensing elements (3A, 3B); wherein the first inductance (Lp 1) is modelled as a known first function of the amount of water inside the substrate (1), wherein the second inductance (Lp2) is modelled as a known second function of the amount of water inside the substrate (1), wherein the capacitance (Cp) is modelled as a known third function of the amount of water inside the substrate (1), and wherein the conductance (Gp) is modelled as a known fourth function of the amount of water inside the substrate (1) and an amount of mobile ions representing the amount of nutrients inside the substrate (1).

A base weight measurement system for measuring a base weight of a sheet, the base weight measurement system comprising: a nucleon sensor; an infrared measurement device configured for independently measuring infrared light at at least two spectral regions, where for at least a first of the spectral regions, the spectrum of the measured light is limited such that when the infrared measurement device performs the measurement at the first spectral region, the spectrum of the measured light is limited to the spectrum of the measured light at the second spectral region. The spectral response of the infrared measurement equipment at the wavelength of 1.954 mu m differs from the spectral response of the infrared measurement equipment at the wavelength of 2.1 mu m by at least two times; and an analysis device, the analysis device comprising: a data input interface configured to receive data from the nuclear sensor and the infrared measurement device; and a basic weight determination module configured to determine a basic weight of the sheet by combining data obtained from the nucleon sensor and from the infrared measurement device.

The invention provides a power equipment oil paper insulation sample moisture state estimation method and system, and belongs to the field of insulation performance monitoring and management.The method comprises the steps that the water content corresponding relation between oil and paper in the heating / cooling process is obtained based on an Oommen curve, and a heating and cooling asymmetric kinetic equation is obtained based on fitting of the water content corresponding relation between the oil and the paper; a core kinetic equation is constructed based on a kinetic equation with asymmetrical temperature rise and temperature drop, a temperature-dependent time constant equation and a rate-dependent equation. And substituting the temperature change at different moments and the water content change of the insulating oil into a core kinetic equation for calculation to obtain the water content in the insulating paper. And a technical support is provided for moisture state evaluation and equipment life management of the oil paper insulation system.

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.

A fiber processing system includes a fiber processing unit having an inlet, accepts outlet, and solid discharge outlet and configured to remove solid contaminants from a fiber-containing stream to produce an accepts stream exiting the accepts outlet and a solid discharge stream exiting the solid discharge outlet. The fiber processing system includes an optical system having an imaging device and image processing system. The imaging device is configured to capture images of the solid discharge stream at or downstream of the solid discharge outlet, and the image processing system is configured to determine relative fiber content, a relative generation rate, types of materials in, or combinations thereof of the solid discharge stream from the captured images. The fiber content, generation rate, and / or types of materials of the solid discharge stream are used to control operation of the fiber processing system or other upstream pulp processing equipment.

The invention provides a technology of a more appropriate resin countermeasure in a paper manufacturing process. Provided is a method for estimating the amount of large stickies in paper manufacturing on the basis of the amount of acrylate-based polymers contained in a management subject in paper manufacturing. Provided is a method for manufacturing paper, in which the level of large stickies countermeasures in paper manufacturing is adjusted on the basis of an increase or decrease in the amount of an acrylate-based polymer contained in a management subject in paper manufacturing.

The invention relates to a measuring device (100, 100 ') for determining individual parameters of a sheet-like material, such as a flat toilet paper and flat textile material or textile material, and to a method for determining individual parameters using such a measuring device (100, 100').

The present disclosure provides a component detection method and device, a storage medium and a program product. The component detection method comprises: collecting detection samples at a predetermined frequency in the production process of a tobacco-containing source functional paper base, wherein the detection samples comprise tobacco pulp samples and paper base samples; detecting the total nitrogen content of the tobacco pulp samples and the total nitrogen content of the paper base samples; determining the component content according to the total nitrogen content of the tobacco pulp samples and the total nitrogen content of the paper base samples, wherein the component content comprises the tobacco pulp content and the commodity pulp content.

There is provided a method for evaluating effect of microbial community on production problems of a process producing a cellulose based article and / or defects of the produced cellulose based article.

The present invention relates to a method of determining the quantitative ratio of melamine-formaldehyde resin and urea-formaldehyde resin in at least one paper ply impregnated with a mixture of these resins, wherein the impregnation is conducted in a system for impregnation of at least one paper ply running through the system, comprising the steps of impregnating multiple paper plies with resin mixtures each with different quantitatively defined ratios of melamine-formaldehyde resin and urea-formaldehyde resin as reference samples; recording at least one NIR spectrum of each of the reference samples using at least one NIR measurement head in a wavelength range between 500 nm and 2500 nm, preferably between 700 nm and 2000 nm, especially preferably between 900 nm and 1700 nm, and particularly advantageously between 1450 nm and 1550 nm; assigning the different quantitative ratios of melamine-formaldehyde resin and urea-formaldehyde resin in the reference samples to the recorded NIR spectra of the reference samples mentioned; and creating a calibration model for the correlation between the spectral data of the NIR spectra and the corresponding quantitative ratios of melamine-formaldehyde resin and urea-formaldehyde resin of the reference samples by means of a multivariate data analysis; impregnating at least one paper ply with a resin mixture of melamine-formaldehyde resin and urea-formaldehyde resin; recording at least one NIR spectrum of the impregnated paper ply using the at least one NIR measurement head in a wavelength range between 500 nm and 2500 nm, preferably between 700 nm and 2000 nm, especially preferably between 900 nm and 1700 nm and particularly advantageously between 1450 nm and 1550 nm; and determining the quantitative ratio of melamine-formaldehyde resin and urea-formaldehyde resin in the impregnated paper ply by comparing the NIR spectrum recorded for the impregnated paper ply with the calibration model created.

The present application relates to the device for testing the cleaning effect of sanitary products wiping the anal region. The bionic model module comprises at least two bionic hip models arranged on the top of the box body, the bionic hip models are made of transparent and elastic material, the bionic hip models comprise simulated anal regions, a catheter is embedded in each bionic hip model, and the outlet of the catheter is located at the simulated anal region of the corresponding bionic hip model. The delivery module comprises a simulated dirt container, a delivery pipe, a peristaltic pump assembly and a distribution module, the inlet of the delivery pipe is in communication with the simulated dirt container, the outlet of the delivery pipe is connected with the distribution module, the outlet of the distribution module is connected with the at least two catheters, the peristaltic pump assembly is arranged on the delivery pipe to drive the quantitative delivery of the simulated dirt, and the transillumination enhancement module is used for enhancing the transillumination or reflection display effect of the corresponding simulated anal region of the bionic hip model, so as to improve the visibility of the simulated dirt residue.

Correlating on-line scanning sensor readings to laboratory test results for the verification of accuracy and repeatability can be facilitated by changing the scanning parameters of the scanner so that it only scans a small portion of the sheet that is to be sampled. This feature makes the sensor's mini-scan readings more relevant and more likely to be a repeatable result. The entire dynamic correlation process achieves more reliable results in a shorter length of time. A technique of operating a continuous sheet making system that includes actuators and a downstream scanning sensor, includes: (a) measuring a sheet physical characteristic of the continuous sheet with the scanning sensor and displaying a cross directional profile of the measurements; (b) selecting a cross directional region within the profile; and (c) measuring the sheet physical characteristic with the scanning sensor within the region. The results from the mini-scanned are compared to laboratory analyses.

A method for preventing rejection or for reducing shutdown of a paper, paperboard or tissue paper machine includes monitoring at least electrical conductivity and a second parameter in a wet portion of the machine, determining whether there is an elevated risk of rejection or machine shutdown based on the monitoring, and taking action if there is an elevated risk based on the determining.

The utility model discloses a cigarette paper peculiar smell on-line detecting and removing device, which belongs to the technical field of paper production, and comprises a processing box, a peculiar smell detector, a blowing mechanism, two groups of adsorption boxes and a controller, a conveying mechanism for conveying paper is arranged in the processing box, the peculiar smell detector is arranged in the processing box, and the blowing mechanism is arranged in the processing box. The air blowing mechanism is located in the middle of the processing box and comprises an air blower and an air supply plate body, the air supply plate body is communicated with the output end of the air blower, the interior of the air supply plate body is hollow, and the air supply plate body is provided with two groups of air outlet ends which are arranged oppositely; according to the utility model, the two groups of air outlet ends which are arranged back to back are used for blowing air to intensively and directionally blow off peculiar smell on the surface of paper, so that the peculiar smell is separated from the surface of the paper to form airflow and flows towards the adsorption boxes on the two sides, and more peculiar smell gas can be ensured to be in full contact with the purification adsorption parts in the adsorption boxes to purify the peculiar smell; and peculiar smell collection and treatment are accelerated.

The invention relates to the technical field of processing and conveying, and discloses paper product processing, feeding and conveying equipment which comprises two conveying tables, a conveying belt is arranged between the two conveying tables, the conveying belt is of a three-section structure and comprises two inclined sections and a straight section, and a fixing plate is fixedly mounted on the upper surface of the conveying belt; a placement plate is fixedly connected above the fixed plate, one end of the placement plate is fixedly connected with a hinge seat, supporting plates are symmetrically hinged to the inner wall of the hinge seat, a mounting plate is arranged above the placement plate, and a plurality of detection heads are fixedly connected to the bottom of the mounting plate. The rotating assembly can trigger the supporting plate to rotate in time, the included angle between the supporting plate and the containing plate is changed, conditions are provided for sliding of unqualified paper tubes, it is ensured that unqualified products can be smoothly separated from the conveying belt, qualified products can be smoothly conveyed through the whole conveying belt, and the production efficiency is improved.

The utility model relates to the technical fields of special paper detection, especially to a special paper detection device, which is provided with a roller pressing restraint mechanism with damping rotation arranged outside, can keep the paper tension in the detection box and improve the reliability, comprising a paper detection box, further comprising a connecting frame, a rotary damper, a lower pressing roller, a guide sleeve, a sliding rod, a pull tab, a connecting spring, a top frame and an upper pressing roller, the input side of the paper detection box is connected with the outside of the front side of the connecting frame, the middle inner side of the top of the connecting frame is connected with the outside of the guide sleeve, the inner wall of the guide sleeve is vertically slidingly connected with the outer wall of the sliding rod, the top end of the sliding rod is connected with the middle part of the bottom side of the pull tab, the connecting spring is connected between the outside of the bottom of the pull tab and the outside of the guide sleeve on the top end of the connecting frame, the bottom side of the sliding rod is connected with the middle part of the top side of the top frame, the upper pressing roller is rotatably arranged in the top frame, the lower pressing roller is rotatably arranged in the connecting frame through the rotary damper, the upper pressing roller corresponds to the lower pressing roller horizontally, and the front side of the paper detection box is provided with a winding mechanism.

The invention discloses a device and a method for measuring anisotropy of insulation paper. A shaping assembly constructs a measured piece into a square measured piece; the clamp assembly clamps the two sides of the square tested piece in the Z direction. The excitation assembly inputs an excitation signal parallel to the Z direction to the center of the square surface of the square tested piece; the sampling assembly collects time sequence response signals of the square tested piece in the X direction and the Y direction, and the time sequence response signals are differential pressure time sequence response signals or flow time sequence response signals; the signal processing module obtains an X-direction characteristic time constant and a Y-direction characteristic time constant according to the received time sequence response signals in the X direction and the Y direction, and generates an anisotropy index according to the X-direction characteristic time constant and the Y-direction characteristic time constant; wherein the X direction, the Y direction and the Z direction are pairwise orthogonal. According to the invention, by integrating central excitation and orthogonal direction synchronous response acquisition in the same clamp assembly, the dependence on a test environment is reduced, the comparability of two directions can be optimized, and robust screening and comparable evaluation are facilitated.

The utility model relates to the field of paper pulp concentration detection equipment, in particular to a paper pulp concentration detection device for household paper production, which comprises a paper pulp concentration detector body, the paper pulp concentration detector body is mounted on a mounting rack, a detection tank is mounted on the front side of the mounting rack, and a stirring tank is arranged on one side of the detection tank. According to the household paper production equipment, the detection device is additionally arranged on the household paper production equipment, through the arrangement of the stirring tank and the detection tank, pulp enters the stirring cavity through the discharging cup before being discharged into the production equipment, then the pulp enters the stirring cavity through cooperation with the stirring mechanism, and the pulp is discharged into the production equipment through the detection tank. The slurry is firstly stirred, so that the slurry entering the detection tank can be prevented from being blocky to influence the detection result, and the arranged stirring tank and the detection tank can ensure the accuracy of the detection result while ensuring that the concentration of the slurry is detected, so that the blocky slurry is effectively prevented from influencing the detection result.