283results about "Wood testing" patented technology

An automated inline rip saw system utilizing x-ray and optical scanning techniques to identify and detect flaws within a piece of wood. The present system may further utilize a precision skewing unit which may reduce or eliminate errors while allowing for precision rip cuts to be performed. Further, the present automated inline rip saw system may utilize multiple independently controlled saw blades to perform precision cuts. Finally, the present inline rip saw system may allow for more accurate detection of flaws or undesirable inclusions within the wood earlier in the wood production process, including the ability to scan for, identify, and remove sap wood from green lumber.

The invention relates to a poplar property high-throughput accurate quantitative identification method, system, equipment and medium, the innovation of the method lies in that spectral data analysis and automatic script processing are combined, efficient data acquisition, import, matching and storage are realized, abnormal point detection is carried out by introducing principal component analysis and anti-noise mahalanobis distance, a data set is optimized, and the identification accuracy of the poplar property is improved. Building and training a model to realize high-flux accurate prediction of the material property and the density; a sample control module, an acquisition test module, an automatic processing module, a data set determination module and a result output module are integrated on the system, so that full-process automatic and intelligent management is realized; the equipment comprises a database and a memory, and the method is cooperatively executed through the database and the memory to ensure efficient operation of the method; a computer readable medium stores executable instructions, which is convenient for wide deployment and application. The method is excellent in high-throughput analysis, cost saving, environmental protection and data accuracy, and development of the poplar property identification technology is effectively promoted.

The invention discloses a quality inspection method for household boards, comprising the following steps: completing the preparation of inspection sample household boards, determining whether the size of each sample board meets the requirements; measuring the moisture content in the sample board by a moisture meter; completing formaldehyde emission detection; performing density detection; detecting various appearance states of each sample board; completing the detection of board color consistency; completing the bending resistance, compressive strength and hardness test of the sample instrument; detecting the flame retardant performance of the sample board; producing an inspection report, and recording the inspection process and results, taking the middle value of each board data, and completing the determination; the quality inspection method for household boards adopts a sampling inspection method to complete the inspection of at most ten groups of sample boards prepared by the same preparation method, and can effectively detect various data of the sample board. Compared with the existing quality inspection method, the inspection content is more comprehensive, and the sampling inspection can improve the accuracy of the inspection.

The utility model discloses wood moisture content detection equipment which comprises a detection device body, an anti-skid handle, a screen protective cover, a probe protective cover, a probe sensor, an automatic drilling probe, a detection displayer, a magnetic attraction layer and a power indicator. Two groups of limiting strips are arranged on the two sides of the interior of the screen protective cover, limiting grooves are formed in the left side and the right side of the detection device body, and eight groups of magnetic attraction layers are arranged at the four corners of the left side and the right side of the detection device body. According to the wood moisture content detection equipment disclosed by the utility model, the fragile detection display is conveniently protected and the service life is prolonged through the arranged screen protective cover when the moisture content detection equipment is not used, and the probe is conveniently inserted into wood for detection through the arranged automatic drilling probe; the step that a worker inserts the probe into wood with force can be omitted, and the probe can be prevented from being broken.

The invention relates to a device and method for detecting deformation of a wood floor after water absorption in the technical field of wood floor production, and the device comprises a water tank, a top groove is formed in the middle of the top of the water tank, and a built-in frame is fixedly mounted on the inner walls of the periphery of the top groove and the inner walls of the periphery of the water tank; the heating assembly is mounted on the water tank; stand columns are fixedly installed at the four corners of the bottom of the detection box and the four corners of the top of the water tank, installation openings distributed at equal intervals are formed in the bottom of the detection box, and pressure detectors are fixedly installed on the inner walls of the installation openings. Water absorption deformation detection treatment can be performed on different types of wood floors at the same time in a high-temperature soaking mode, the water absorption deformation performance of the wood floors can be visually observed, convenience is brought to the water absorption deformation detection process of the wood floors, automatic closing and opening operation of the box cover plate is achieved, manual operation of operators is not needed, and the working efficiency is improved. And the automation effect of the whole detection device is improved.

The invention discloses a defect degree detection device for a wood structure ancient building, and belongs to the field of wood structure building detection. A defect degree detection device for a wood structure ancient building comprises a detection probe and two arc-shaped plates, one ends of the two arc-shaped plates are rotationally connected through a hinge, the other ends of the two arc-shaped plates are fixedly connected through a pin plate, and positioning sleeves are installed on the arc-shaped plates on the two sides. An opening and closing part for driving the positioning sleeve to translate is arranged on each arc-shaped plate; through cooperation of a driving gear and a driven tooth groove, a rotating arc plate drives a detection probe to rotate around an inner cavity of a rotating arc groove, then through cooperation of the meshing relation between linkage teeth and the driven gear and arrangement of a first belt wheel set and a second belt wheel set, after the rotating arc plate rotates by one circle, a positioning sleeve moves upwards, and the detection probe is detected; therefore, all-directional detection of the wood structure cylinder is realized, and the detection precision and efficiency are effectively improved.

The invention belongs to the field of indoor environment health research, and particularly relates to a method for effectively representing a volatile organic compound (VOCs) release mechanism of an indoor material under long-term physical and chemical action. According to the method, accurate and effective characterization of the long-term release characteristic of the material is realized by simplifying a complex physical and chemical coupling problem and combining an aging test and a parameter determination experiment. The method comprises the following steps: designing a natural aging experiment to simulate an actual long-term release process of a material; extracting material samples with different aging times, and determining corresponding VOCs key parameters by utilizing an environment chamber experiment; and fitting the change of the key parameters along with time by using a single exponential function so as to characterize the long-term release characteristic of the VOCs in the material. The method is suitable for material-VOCs combined release research under different temperature and humidity conditions, and results can be used for long-term concentration prediction of indoor VOCs in a dynamic environment and further applied to reasonable material selection in building design, ventilation design in specific space and time, health risk assessment and the like.

A system for characterization of lumber is presented. The system includes a computing module having processor that generates a first fiducial to be printed on the lumber. The system includes an applicator module having a first printer that prints the first fiducial onto the lumber. The system includes a vision module having a camera that captures the first fiducial as printed on the lumber. The processor of the computing module determines lumber information based on a print distortion of the first fiducial as printed on the lumber. The first printer of the applicator module prints a label including the lumber information onto the lumber.

A method of inspecting a balcony identifies an area of the balcony where there is no access to pass a crawler robot from the outside of the balcony into the interior space of the balcony, drills a hole into the interior space of the balcony, passes the crawler robot that includes a humidity sensor through the hole into the interior space of the balcony. The method, by the processor of an electronic device, receives humidity measurements of the interior space of the balcony from the humidity sensor, compares the humidity measurements with a threshold value, determines that at least one of the humidity sensor measurements exceeds the humidity threshold value; and generates a notification indicating the humidity in the interior space of the balcony exceeds the humidity threshold value based on the determination. The method removes the crawler robot from the interior space of the balcony and seals the hole.

Disclosed is an apparatus and method configured for classifying timber logs in a wood processing chain. The apparatus comprises an image processor. The image processor is configured to receive a first log image of a first end of log and determine a first end pattern. The image processor is configured to receive a second log image of a second end of the same log, wherein the second end is opposite the first end. The image processor is further configured to determine a first pattern in the first end and a second pattern in the second end. Lastly, the image processor is further configured to determine a characteristic of the log based on the first pattern and the second pattern.

To quantitatively evaluate the deliquescence of fireproofed wood.SOLUTION: A method for evaluating fireproofed wood includes: a fireproofed wood exposure step of exposing fireproofed wood subjected to fireproof agent treatment in a predetermined condition; an untreated wood exposure step of exposing untreated wood not subjected to the fireproof agent treatment in the predetermined condition; a fireproofed wood mass increase amount measurement step of measuring an increase in the amount of mass of the fireproofed wood in the fireproofed wood exposure step; and an untreated wood mass increase amount measurement step of measuring an increase in the amount of mass of the untreated wood in the untreated wood exposure step. The deliquescence of fireproofed wood is evaluated on the basis of the comparison between the increase in the amount of mass of the fireproofed wood and the increase in the amount of mass of the untreated wood.SELECTED DRAWING: Figure 1

A system for characterization of lumber is presented. The system includes a computing module having a processor that generates a first fiducial to be printed on the lumber. The system includes an applicator module having a first printer that prints the first fiducial onto the lumber. The system includes a vision module having a camera that captures the first fiducial as printed on the lumber. The processor of the computing module determines lumber information based on a print distortion of the first fiducial as printed on the lumber. The first printer of the applicator module prints a label including the lumber information onto the lumber.

An ion molecule reactor for generating analyte ions from analytes comprises: a) a reaction volume in which reagent ions can interact with the analytes in order to form analyte ions; b) at least one analyte inlet for introducing the analytes along an inlet path into the reaction volume whereby, preferably, the inlet path runs essentially along at least a first section of the predefined transit path in the reaction volume; c) at least one reagent ion source and / or at least one reagent ion inlet for providing reagent ions into the reaction volume; d) optionally, at least one ion guide comprising an electrode arrangement which is configured for producing an alternating electrical, magnetic and / or electromagnetic field, that allows for guiding the reagent ions and / or the analyte ions at least along a section of the predefined transit path, preferably along the whole transit path, through the reaction volume.

The present invention provides a horizontal adjustment device for a wooden board detection platform, including a hollow seat, wherein the front end and the middle part of the left side of the hollow seat are both inlaid with a first electronic level and a second electronic level; a central processing unit is embedded on the left side of the front end of the hollow seat, and the central processing unit is electrically connected with buttons and a display; a hydraulic station is supported by bolts on the right side of the upper surface of the hollow seat; a limiting splicing seat structure is fixed around the outer wall of the hollow seat; an extension seat is supported on the outer side of the limiting splicing seat structure; triangle plates are welded on the left and right sides of the extension seat surface respectively; a movable support seat structure is connected to the lower part of the extension seat; and a movable clamping and positioning seat structure is supported on the upper part of the hollow seat. The first electronic level, the second electronic level and the central processing unit of the present invention detect the horizontal situation after installation, thereby controlling the operation of the hydraulic station and hydraulic cylinder, thereby automatically performing the function of horizontal adjustment, reducing cumbersome operations and increasing accuracy.

A filler material is applied to a plurality of wood elements which are joined to form a composite wood product, said joining comprising applying ultrasonic energy to the plurality of wood elements, said ultrasonic energy having a frequency within a frequency range of 10 kHz to 20 MHz.

The invention belongs to the field of building disease diagnosis, and relates to a historical building disease intelligent diagnosis system and early warning method.On one hand, all-directional image collection is conducted on target wood, detection results of mildew spot, erosion and softening detection units are analyzed, a decision matrix is established, and a calculation method approaching an ideal solution is adopted to obtain corrosion disease indexes; on the other hand, the position and shape data of the worm-eaten holes are collected, the worm-eaten disease index is obtained through analysis and calculation, then calculation is conducted through the comprehensive corrosion disease index and the worm-eaten disease index, the overall disease index of the target wood is obtained, and according to the preset historical building wood structure disease grading standard, the historical building wood structure is obtained. And judging whether the disease grade reaches the early warning grade, if so, triggering an early warning mechanism, comprehensively considering various disease phenomena, analyzing a single disease from multiple dimensions, providing a scientific basis for subsequent diagnosis and early warning, and effectively reducing the maintenance cost.

To provide a tree soundness determination system that can easily determine the soundness of trees.SOLUTION: A tree soundness determination system 1 includes: an illumination unit 2 that irradiates a tree T with measurement light having a wavelength in a near-infrared region; a camera 3 that receives reflection light obtained by reflecting the measurement light by the tree T and captures a near-infrared image; a calculation unit 41 that calculates the reflection intensity of the reflection light at a wavelength of about 1,450 nm that is absorbed by moisture in the tree T based on the near-infrared image; and a determination unit 42 that determines the soundness of the tree T from the reflection intensity at a wavelength of about 1,450 nm calculated by the calculation unit 41 based on a relation between the reflection intensity and the soundness of the tree T, which has been stored in advance.SELECTED DRAWING: Figure 1

Disclosed is a method for wet chemical functionalization of single crystal diamond surfaces that involves gentle reaction conditions. This method enables a wide range of functional groups and molecules to be tethered to the diamond surface. The method is compatible with the formation of stable nitrogen vacancy centers with long spin coherence times within nanometers of the diamond surface.

A system (100A) to track logs in a wood processing chain, includes a database arrangement (102) that includes pre-recorded image of a given log, wherein the given log is associated with log identification information. The system further includes a plurality of imaging devices implemented at a sorting station. The plurality of imaging devices (104) is configured to capture a first set of images from at least a first prespecified oblique angle. The system further includes a data processing arrangement (106) that is configured to: identify the given log at the sorting station; compare the at least one pre-recorded image with the captured first set of images at the sorting station in order to find an optimum image from the compared images for identification of the given log; determine a plurality of physical characteristics; and append the log identification information with the determined physical characteristics of the given log.

A calibration method of an analysis instrument (1) for analysing the direction of wood fibres of a piece of wood operating by detecting structured light scattering, wherein a calibration sample (3) is used having a working surface (5) and comprising fibres (17) which can be at least partly illuminated with structured light at the working surface, and wherein a detecting step is carried out, in which a detected trend of the fibres is detected, and a processing step is carried out in which said detected trend of the fibres is processed, and wherein moreover the calibration sample used has the working surface constituted of a composite material (13), which is an anisotropic light diffusion material and which comprises a matrix (15) and said fibres, which are dispersed in the matrix and which have a known trend of the fibres at the working surface.

A drilling needle includes a needle head at one end of a needle shank. The needle head has a flattened wedge portion with two wedge faces and a cutter portion with two cutting faces, which each adjoin one of the wedge faces and adjoin one another at a top edge that runs at a right angle to an axis of rotation. The needle head has on each side a relief face, which forms a cutting edge with each of the cutting faces. The cutting edge forms, with the respective other one of the cutting faces, a secondary edge that trails with respect to the direction of rotation. A relief angle, spanned by a virtual straight line through the cutting edge corner and a secondary edge and a plane that extends perpendicular to the top edge in the axis of rotation, lies in a range from 6° to 10°.

A computer-implemented method comprising: receiving, as input, spectral image data acquired with respect to a unit of tomato; calculating, from the spectral image data, spectral reflectance values associated with the unit of tomato in at least one specified combination of spectral bands; deriving, from the spectral reflectance values, a normalized difference spectral index (NDSI) value; and determining, based on the NDSI value, a value of at least one specified quality parameter associated with the unit of tomato.

The invention relates to the technical field of dendrocalamus latiflorus cold resistance evaluation, in particular to a dendrocalamus latiflorus germplasm resource cold resistance evaluation method. Physiological indexes of various types of dendrocalamus latiflorus species are obtained, the membership degree of the dendrocalamus latiflorus species is evaluated through a membership function method, the comprehensive membership degree is calculated through a weighted average method according to preset weights of the physiological indexes and the membership degree, the cold resistance coefficient of the dendrocalamus latiflorus species is obtained, and therefore the actual cold resistance of the dendrocalamus latiflorus species is determined. The dendrocalamus latiflorus seeds with good cold resistance can be selected for planting; by introducing the risk frequency coefficient, the operation abnormity coefficient and the growth risk coefficient of the constant-temperature equipment, more accurate physiological indexes are obtained when the dendrocalamus latiflorus species are cultured in the constant-temperature equipment, so that the cold-resistant coefficient of the dendrocalamus latiflorus species is calculated more conveniently, and meanwhile, the evaluation efficiency of the cold-resistant coefficient is improved.

Holes H1, H2, and H3 are detected for a continuous single plate 101B, the length of the single plate cut by one rotation for each round of the raw wood is calculated as circumferential contact plate lengths L1, L2, and L3. The shape of the detected specific round hole is aligned to a position after one rotation corresponding to the upstream side in the conveyance direction by the circumferential contact plate length. In a region defined by the shape of the aligned specific round hole, it is estimated that there is a possibility that plate thickness deficiency sites T2, T3, and T4 formed by cutting a recessed part having an inclination in the raw wood surface layer portion may be included, thereby, it is possible to estimate a region in which there is possibility that plate thickness deficiency sites T2, T3, and T4, which are difficult to determine by a method for viewing the color difference between the reflected light and the captured image, are included.

A method of tracking wood is provided. The method comprises tagging a plurality of wood elements by inserting a respective electronic tag into each wood element, wherein each electronic tag is associated with a respective entry in a database. The plurality of wood elements are loaded onto a transport vehicle, and the transport vehicle is passed through a checkpoint. The method further comprises obtaining, with an antenna system of the checkpoint, identification information from the electronic tag in each of the plurality of wood elements loaded on the transport vehicle. A report is then generated based on a comparison between the database and the identification information obtained by the antenna system of the checkpoint. Additionally, a system for tagging wood is provided.

The present invention relates to a microscope stage (100) for temperature-controlled live cell imaging comprising a cooling device (110), a heat transfer plate (1) having a cylinder (131) open on both ends for accommodating a Petri dish (3) and a heat sink (2) configured as support (120), wherein the cylinder (131) protrudes into a circularly shaped opening of the support (120). In a preferred embodiment, the microscope stage (100) comprises an objective heater (40) for preventing heat loss due to the microscope objective.

The utility model discloses a humidity measuring instrument which comprises a shell, a control module arranged in the shell and a probe electrically connected with the control module, a push button linked with the probe is arranged on the shell, a sliding part is integrally arranged or fixed on the push button, the probe is arranged on the sliding part, a through hole for the probe to stretch out and draw back is formed in the shell, and the probe is arranged in the through hole. According to the utility model, the probe is prevented from being arranged outside, and the probe can be pushed out when in use, so that the accuracy of a test result is ensured.

A computer-implemented method for predicting a real strength grade which a known grading device (7) will assign to a real wooden board (2) not yet cut from a log (6), comprising a virtual cutting step of a three-dimensional virtual model (1) of the log (6) to obtain a virtual board (4), an assigning step, during which surface and / or internal characteristics are added to the virtual board (4), a virtual grading step, during which a virtual strength grade which the known grading device (7) would assign to the virtual board (4) is estimated, a predicting step, during which it is assumed that the real strength grade, which the known grading device (7) will assign to the real wooden board (2), corresponds to the virtual strength grade estimated in the virtual grading step.

The present invention provides a measuring device and repair method for the decayed part of a wooden beam in an ancient building, which aims at the problem that it is difficult to determine the cutting position of the decayed part of the wooden beam in the ancient building. The device comprises a base connected to the top of the wooden beam, a positioning sleeve connected to the groove shaft at the cantilevered end of the base, and an impact steel rod connected to the positioning sleeve. Method: the telescopic length between the impact steel rod and the positioning sleeve is adjusted and locked, so that the distance between the center of the hollow steel ball and the end of the positioning sleeve is equal to the distance between the center of the impact point of the wooden beam and the upper surface of the wooden beam. The base is connected to the upper surface of the wooden beam, the impact steel rod is lifted to a horizontal position and then released, the hollow steel ball impacts the side of the wooden beam to form an impact indentation, the wood decay degree judgment coefficient is obtained by fitting the measured indentation diameter, wood density, moisture content and other parameters, the wood decay degree of each impact point is measured one by one from the end to the middle of the wooden beam, and the area where the wood decay degree judgment coefficient is greater than a set value is determined as a decayed part, which needs to be removed and updated.