174results 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.

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.

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.

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.

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.

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 application relates to the technical field of formaldehyde release detection equipment, in particular to a building board formaldehyde environment cabin, which comprises an environment cabin body, a formaldehyde analyzer body, a limiting plate, a heating chamber, a gas conveying pipeline, a rotary clamping assembly and a lifting balance assembly. The output end of the formaldehyde analyzer body penetrates through the top inner wall of the environment cabin body and is closely combined with the inner surface of the environment cabin body. The lifting balance assembly is installed below the rotary clamping assembly. The building board formaldehyde environment cabin of the application makes the board slowly rotate in the detection process through the rotary clamping assembly, avoids unilateral heating, eliminates the local high-temperature area and low-temperature area caused by traditional fixed placement, makes the board as a whole heat more evenly, reduces the moisture migration and stress cracking caused by the temperature gradient, ensures the stability of the formaldehyde release path, prevents the hot air from directly blowing on a certain point to cause the sudden drop of the local moisture content of the board, and thus maintains the stable formaldehyde diffusion rate.

The invention discloses a wood test piece drying characteristic detection system which comprises a base plate, one end of the top of the base plate is fixedly connected with a drying box, the top end of the interior of the drying box is fixedly connected with an electric heating wire, the interior of the drying box is provided with a heat preservation assembly, and the heat preservation assembly is used for maintaining the temperature in the drying box; the supporting frame is fixedly connected to one side of the base plate, a detection assembly is assembled at the top end of the supporting frame, and the detection assembly obtains the length, width, thickness, weight, water content and surface defect data of the wood test piece; and the transfer assembly is assembled between the drying box and the detection assembly. Through the arrangement of the transfer assembly, the wood test piece can be automatically transferred between the drying box and the detection assembly, the switching time consumption of the wood test piece drying procedure and the detection procedure is effectively shortened, the wood test piece drying characteristic detection is more efficient and accurate, and meanwhile, the personnel investment is reduced.

The invention discloses a man-made forest stand structure and function integrated monitoring system and method based on multi-source data fusion in the technical field of man-made forest monitoring, and the system comprises a movable ground monitoring box, one side of which is provided with a gap groove for accommodating single trees; the unmanned aerial vehicle is used for carrying out multi-view observation on a single tree crown; the two parking platforms are symmetrically distributed on the ground monitoring box, located on the two sides of the notch groove and used for allowing the unmanned aerial vehicle to take off and land, and the unmanned aerial vehicle takes off from one parking platform and flies around the single tree along a preset flight path in the vertical plane so as to collect stand structure data of the bottom, the top and the side of the crown of the single tree. According to the system, multi-source data acquisition is achieved through the unmanned aerial vehicle and the ground monitoring assembly, the parking platform and the ground monitoring assembly are driven to synchronously and accurately rotate through the orientation conversion mechanism, unmanned aerial vehicle multi-path canopy collection and ground circumferential all-dimensional measurement are achieved, and the integrity of canopy structure data and the three-dimensional reconstruction precision are remarkably improved.

The present invention discloses a defect degree detection device for ancient wooden structures, belonging to the field of ancient wooden structure detection. A defect degree detection device for ancient wooden structures includes a detection probe and two arc-shaped plates. One end of the two arc-shaped plates is rotatably connected through a hinge, and the other end of the two arc-shaped plates is fixedly connected through a pin plate. Positioning sleeves are installed on both sides of the arc-shaped plates, and an opening and closing part for driving the positioning sleeves to translate is arranged on the arc-shaped plates; through the cooperation of the driving gear and the driven tooth groove, the rotating arc plate drives the detection probe to rotate around the inner cavity of the rotating arc groove. Then, with the meshing relationship between the linkage teeth and the driven gear, and the setting of the first pulley group and the second pulley group, after the rotating arc plate rotates one circle, the positioning sleeve moves upward, so as to realize the all-round detection of the wooden structure column body, effectively improving the detection accuracy and efficiency.

This invention relates to a process for the division of an individual input source log into discrete longitudinal lengths for subsequent processing. The process comprises receiving an individual input source log, dividing the input source log into one or a plurality of output log portions of a predetermined length, wherein at least a portion of said output log portions resultant from said division are of a substantially equal or substantially constant or consistent longitudinal length, and wherein said substantially equal or substantially constant or consistent longitudinal length output log portions are procured as a feed stream of log material for a subsequent processing step. This process provides for the processing of logs and subsequent assembly into an end product formed from a composite of sticks derived from said processed logs.

The invention relates to a method for identifying workpieces, which preferably consist at least partly of wood, wood materials, or the like, in a machining process, having the steps of: detecting at least one workpiece property prior to a machining step, uniquely assigning a workpiece category to the workpiece using the at least one detected workpiece property, and machining the workpiece, which has been determined using the assigned workpiece category of the workpiece, in the machining step.

Holes H1, H2, and H3 are detected in a continuous veneer 101B; the length of the veneer formed through peeling by one rotation in each round of a log is calculated as veneer lengths L1, L2, and L3 per round; the shapes of the detected holes obtained in specific rounds are aligned with positions after one rotation that are shifted to an upstream side in a transfer direction by the veneer lengths per round, respectively; and it is estimated that insufficient-thickness portions T2, T3, and T4, which are formed as a recessed portion having an inclination on a surface layer portion of the log is cut, may be included in regions defined by the aligned shapes of the holes obtained in the specific rounds. Accordingly, it is possible to estimate regions that may include the insufficient-thickness portions T2, T3, and T4, which cannot be easily determined by a method of observing a difference in color of reflected light or a captured image.

The invention relates to the technical field of building structure health monitoring, and discloses an ancient building and pseudo-classic building big wood component disease diagnosis method comprising the following steps: carrying out multi-modal baseline representation on a big wood component to calibrate a disease high-risk area; executing a preset environmental stress test protocol for the region; environment stress data and metabolic gas concentration serving as metabolic feedback data are synchronously collected; extracting instantaneous dynamic characteristics based on the collected data, and constructing a stress-feedback fingerprint representing a response mode of the instantaneous dynamic characteristics; training a disease development prediction model based on the fingerprints, and constructing a response surface model to invert an environmental critical point triggering disease activity; and finally, in combination with a prediction result and the critical point, generating a comprehensive diagnosis report and defining a safe operation envelope for guiding preventive maintenance. According to the invention, through active stress testing and metabolic fingerprint analysis, early quantitative diagnosis of diseases in the incubation period is realized, and an accurate quantitative basis is provided for preventive microenvironment regulation and control.

A device has an guide plate (11) disposed under an upper beam (7) of a support structure (2) above the transport assembly (3); a hammer assembly (9) with at least one row of vertical hammer rods (10) loosely seated in the guide plate (11); actuators (8) for displacing the vertical hammer rods (10); retaining elements (12) shaped on the vertical hammer rods (10); a brush cleaning assembly (13) disposed downstream of the hammer assembly (9) in the direction of displacement of the machined wooden boards (6), and a pneumatic cleaning assembly (14) disposed downstream of the brush cleaning assembly (13) in the direction of displacement of the machined wooden boards (6). The actuators (8) displacing the vertical hammer rods (10) are connected on one side to the guide plate (11) and on the other side to the upper beam (7) of the support structure (2), wherein the vertical hammer rods (10) loosely seated in the guide plate (11) openings (28) have the retaining elements (12) for contacting the guide plate (11). Surface and deep defects in the wooden boards (6) are removed by lifting the guide plate (11) together with the vertical hammer rods (10), and then lowering this guide plate (11), allowing the vertical hammer rods (10) loosely seated therein to fall gravitationally and causing surface and deep impact contact with the machined wooden boards (6).

Method and apparatus (10) for controlling a modification process of hygroscopic material (15) comprising method steps of: measuring at least one process variable from the modification process at least during the modification; measuring at least one process variable from the hygroscopic material at least during the modification; calculating at least one intermediate control parameter by a neural network busing at least the measured process variables as input parameters of the neural network; and controlling the modification process by using genetic algorithms and genetic programming based on the said at least one intermediate control parameter determined by the neural network.