266 results about "Latticework" patented technology

The invention relates to an intelligent management and control method for a building energy-saving wall and a lattice structure wall applying the method, and solves the problems that although a traditional heat insulation material can reduce heat conduction, the function is single, and heat cannot be actively adjusted. Setting weights for the input data, and calculating the sum of the input data by adopting a weighted average method; according to a mapping relation between an interval range in which the sum of the input data falls and a grade, analyzing and determining the grade corresponding to the thermal working condition; according to the mapping relation between the thermal working condition grade and the overall regulation and control scheme, the overall regulation and control scheme is analyzed and determined, the determined overall regulation and control scheme is executed, and the overall regulation and control scheme comprises a phase change material regulation and control scheme, a lattice structure regulation and control scheme and a heat exchange fluid regulation and control scheme. The method has the following effects that the heat condition of the building is accurately regulated and controlled, the heat performance of the wall is improved, and efficient energy saving and intelligent management are achieved.

The invention belongs to the technical field of computer aided design and structural design, and discloses a multi-scale lattice structure and a design method thereof. The design method comprises the following steps: S1, designing a cubic unit cell with eight symmetrically distributed corner nodes according to a cubic lattice structure; s2, all the lattice unit cells are zoomed, one part of the lattice unit cells are zoomed into small lattice unit cells with the size being half of the original size, and the other part of the lattice unit cells are large lattice unit cells with the original size reserved; s3, in the macroscopic lattice structure, arranging the position relation of the small lattice unit cells and the large lattice unit cells; and S4, through a computer aided design method, adjusting the macroscopic lattice structure by adopting a large and small lattice unit cell connection mode based on rod diameter transition. A multi-scale large and small lattice unit cell arrangement mode is introduced into the lattice structure, so that the lattice structure has better mechanical performance under the same compression load.

Disclosed are lattice materials including a truss structure obtained by arranging struts to form at least two triangles on each side of a polygon (i.e., a triangle, a quadrilateral, or a hexagon), which are used in many engineering fields, especially in materials engineering. The elastic modulus values per unit weight of many of the lattice materials produced from the truss structure are higher than those of the most existing cellular solids with stochastic cell distributions and many existing lattice materials. Using the truss structure disclosed herein, it is possible to produce two-dimensional (planar) lattice materials as well as spherical or tubular lattice structures in the form of a first cylindrical tube or a second cylindrical tube.

The invention discloses a TPMS (Tire Pressure Monitor System) lattice design method, a lattice structure, a storage medium and a device, which are applied to the technical field of TPMS lattices, and the design method comprises the following steps: establishing a coordinate system o-xyz by taking the lattice direction of a TPMS basic unit cell as a reference; gradient transformation is carried out on the TPMS basic unit cells in the x-axis direction, and a gradient column structure is obtained; performing gradient transformation on the gradient column structure along the y-axis direction to obtain a gradient layer structure; array copying is conducted on the gradient layer structure in the z-axis direction, and a TPMS lattice is obtained. The lattice structure is obtained by adopting the design method. A terminal program is stored in the storage medium, and the design method is carried out when the terminal program is executed. The device comprises a memory, a processor and a computer program in which steps corresponding to the design method are stored. The TPMS lattice structure is expanded from one direction to a plurality of directions, so that the lattice structure can form continuously changing rigidity distribution in a plurality of lattice directions, a multi-direction continuous stress diffusion path is formed, and the impact resistance of the TPMS lattice is further improved.

A golf club head that includes a body that has a topline, a sole, and a front face. The front face defines a rear surface that extends along a plane and the body defines a center of gravity plane. The golf club head also includes a lattice structure formed on a portion of the body, layer by layer, via an additive manufacturing process. The portion of the body is bounded by the plane, the center of gravity plane, and an intersection between the plane and the center of gravity plane.

The invention discloses a novel structure construction method using a gradient triple-period minimal surface lattice. The novel structure construction method comprises the following steps: defining a mathematical relationship of an entity part of a TPMS lattice according to a selected scene; the standard TPMS lattice in the original cube is deformed and matched into the pyramid space, a transition structure is formed, and a final TPMS distortion structure is output; connecting the upper-layer small unit lattices with the lower-layer large unit lattices by the TPMS twisted structure to generate gradient lattices without geometric defects; the gradient between different unit numbers is controlled by controlling the size of the top plane of the pyramid; the size of the transition area is adjusted, the transformation completion distance of the substructure is changed, and then the elastic modulus is adjusted and controlled; the number of layers of the base structure in the transition area is increased, and the buffering distance of structure transformation is prolonged. The problems that in the prior art, a gradient lattice transition area has geometric defects, the adjustable range of elastic modulus is small, and stress is concentrated are solved, and the stability and durability of the structure are improved.

An arc chamber that includes one or more components that include a low thermal conductivity region is disclosed. The low thermal conductivity region may be formed using additive manufacturing to create a lattice pattern, stochastic infill, or hollow void. The low thermal conductivity regions are used to direct the flow of heat to desired areas, such as the faceplate of the arc chamber. The lattice pattern may be located within the end plates of the arc chamber, such that the heat from the cathode and repeller are directed toward the faceplate and away from the bottom of the arc chamber. The lattice pattern may also be located in the side walls and the bottom wall to reduce the amount of heat that is lost to the environment through conduction and radiation.

The invention belongs to the technical field of mechanical metamaterials, and particularly discloses an energy-absorbing three-dimensional metamaterial with interactive combination of positive and negative Poisson's ratio structures, which comprises a plurality of microcosmic unit structures, each microcosmic unit structure comprises a reverse four-chiral auxetic structure and a bionic diagonal bracing structure, and the reverse four-chiral auxetic structures and the bionic diagonal bracing structures are arranged in an interactive combination manner. According to the technical scheme, the microscopic unit structures are three-dimensional structures and are simple in structure, the lattice metamaterial obtained by combining the microscopic unit structures has good isotropic characteristics and has three-stage strain hardening characteristics under the compression effect, the plastic deformation capacity is enhanced, the energy absorption capacity of the structures is effectively improved, and the energy absorption efficiency of the structures is improved. And the bearing capacity is relatively high. The structure size of the metamaterial can be flexibly adjusted according to an actual scene, and the metamaterial can be used as a part or a structural member to be flexibly applied to different fields.

A mechanical metamaterial adaptive to an applied stress comprises a plurality of meta-capsules arranged in a lattice structure. Each meta-capsule comprises a plurality of rigid parts and a plurality of elastically deformable soft parts coupled to the plurality of rigid parts, such that at least a subset of the plurality of meta-capsules undergo a reconfiguration under the applied stress. The reconfiguration includes a deformation of the soft parts of the meta-capsules in the subset, and a reduction of a gap between adjacent rigid parts of the meta-capsules in the subset, thereby increasing a stiffness of the mechanical metamaterial from a first stiffness to a second stiffness when the adjacent rigid parts come into contact.

The invention belongs to the technical field of additive design, comprises structure improvement and simulation analysis, and relates to an additive pipe fitting topological structure design method based on a three-period minimal curved surface. And different TPMS crystal lattices are applied to design, so that the TPMS system can adapt to various working conditions with different loads. Different filling modes are selected according to the geometrical morphology of the to-be-filled area, so that the number of interrupted areas is smaller, and the design freedom degree is higher. Through a gradient wall thickness command, a rod diameter gradual change effect appears in a non-contact area of a TPMS lattice and a part, and the supporting capacity is effectively enhanced under the condition that the removal difficulty is not improved. Adjustment of different unit densities enables TPMS crystal lattices to independently perform enhanced control on stress concentration points without affecting other areas. The actual conditions of a wind field and a temperature field are described through conjugate heat transfer analysis modeling, so that heat conduction and forced convection exist in the whole physical field at the same time, and the result accuracy is improved. According to static analysis, TPMS crystal lattices with the better strengthening effect are selected from the angle of load resistance.

An additively manufactured lattice includes a plurality of symmetrically oriented repeating unit cells. Each of the unit cells is comprised of a vertically oriented tubular structure having a top edge and bottom edge, said tubular structure defined by a circumferential side wall extending from said top edge to said bottom edge. The side wall has a lower portion, an intermediate portion, and an upper portion, with the lower portion terminating at the bottom edge, the upper portion terminating at the top edge, and the intermediate portion positioned between the lower portion and the upper portion. A plurality of spaced legs is included with each unit cell, with each leg formed as an outfolding of the side wall, each outfolding beginning at the side wall intermediate portion and extending progressively further outward through the side wall lower portion to the bottom edge.

The invention discloses a lightweight cylindrical lattice structure based on bionic gulfweed stalks, and belongs to the technical field of lightweight lattice structures. The problems that an existing cylindrical lattice structure is generally weak in bearing capacity and too fast in rigidity attenuation under the condition of low relative density are solved. The invention discloses a lightweight cylindrical lattice structure based on bionic gulfweed stalks. The lightweight cylindrical lattice structure is mainly a hollow cylindrical structure formed by arraying a plurality of lattice unit cells. Each lattice unit cell comprises an outer truss, an inner truss and an inclined connecting rod, the outer trusses and the inner trusses are the same in structure, the outer trusses are arranged outside the inner trusses in a sleeving mode and are arranged in the same shape, and the vertex angles of the outer trusses and the vertex angles of the inner trusses are connected into a whole through the inclined connecting rods; the outer trusses between every two adjacent lattice unit cells share one frame, so that an integrated cylindrical lattice structure is obtained. A bionic principle is adopted, and a cylindrical lattice structure with light weight and high mechanical property is obtained.

To provide a lattice structure that enables weight reduction while having sufficient curved surface formability.SOLUTION: A lattice structure made of a material containing reinforcing fibers has a rectangular shape when viewed from a side face, and has a plurality of notches extending substantially parallel to a short side thereof in a comb-tooth manner, and has a plurality of comb-tooth-shaped plate-like members opened at one side or both sides of a long side by the notches, wherein the plurality of plate-like members are fitted to each other at the notches to cross each other to form fitting portions, and the plurality of plate-like members have, among all adjacent fitting portions, at least between some of the fitting portions, a region curved with the same or substantially the same curvature across a short side direction, or a region bent at the same or substantially the same angle across the short side direction.SELECTED DRAWING: Figure 3

The invention discloses an optimization method and system for a lattice support, computer equipment, a medium and a computer program product. The optimization method for the lattice support comprises the following steps that a 3D printing model corresponding to a target part and the lattice support of the 3D printing model are obtained; wherein the lattice support is composed of a plurality of support units; determining a suspended support unit in the lattice support; wherein the suspended supporting units are supporting units of which the lower ends are spaced from a construction plane and are not capable of bearing and supporting; and for each suspended supporting unit, establishing a connecting support which is connected with the lower end of the suspended supporting unit, can form a bearing support between the lower end of the suspended supporting unit and the construction plane and comprises at least one supporting unit, so as to obtain an optimized lattice support.

To provide a manufacturing method of a fence capable of improving workability.SOLUTION: A manufacturing method of a fence includes the following steps. a. A step of erecting support pillars 1, 1... at intervals. b. A step of mounting lattices 3, 3... on longer direction both end parts of furring strips 2, 2 and assembling lattice units 4a, 4b. c. A step of mounting the lattice units 4a, 4b on the support pillars 1, 1... d. A step of mounting the lattices 3, 3 on a longer direction intermediate part of the furring strips 2, 2 of the lattice units 4a, 4b.SELECTED DRAWING: Figure 5-1

A transparent wood surface imprinting optical device is provided. A preparation method for the device includes cleaning and drying surfaces of transparent wood, spin-coating polymethyl methacrylate (PMMA) on a substrate of the transparent wood to obtain a PMMA layer, and spin-coating an ultraviolet (UV) glue on the PMMA layer to obtain a UV glue layer; placing the transparent wood on a silicon wafer, attaching a transparent grating array imprinting template on the UV glue layer, exposing the UV glue layer, and removing the transparent grating array imprinting after the exposing, thereby to obtain a grating-structure-based transparent wood; and replacing the grating structure imprinting template by a lattice structure imprinting template to prepare lattice-structure-based transparent wood. The diffraction efficiency of the grating structure and the lattice structure on the transparent wood are greater and more stable than those of PMMA substrates.

The present invention discloses a method for preparing a voxelized multi-material structure based on the capillary cascade effect. The above-mentioned preparation method includes the following steps: S1 constructing a lattice unit model with different implosion pressures in software and arranging them in three dimensions, and using a 3D printer to print out the arranged lattice units to obtain a microlattice structure; S2 injecting a precursor solution into the microlattice structure and filling its internal space; S3 depositing the precursor solution in the target lattice unit based on the capillary cascade effect by liquid depletion; S4 solidifying the precursor solution deposited in the target lattice unit to form a single-material voxel structure; S5 repeating steps S2-S4, sequentially depositing and solidifying different precursor solutions in lattice units with different implosion pressures, to complete the preparation of the voxelized multi-material structure. The purpose of the present invention is to provide a voxelized multi-material preparation method that can be completed with high precision and speed using simple equipment.

The utility model relates to the technical field of building engineering, concretely relates to the optimization design of the structure of external scaffold and steel sheet net connecting device, the utility model is realized through the following technical scheme: a kind of external frame steel sheet net connecting device, including connecting steel pipe and connecting plate, the one end of connecting steel pipe is provided with the slot for the insertion of connecting plate along its length direction, and the slot extends the clamping interface of connecting steel pipe in the circumferential direction;Connecting plate includes the horizontal main part of part insertion in the connecting steel pipe, and the convex part of the clamping interface resistance cooperation that is outwardly extended horizontally from horizontal main part. The utility model aims at the improvement of the structure of connecting steel pipe and connecting plate itself, the stable connection of both can be realized without additional connecting bolt, eliminate the security risk caused by bolt drop, enhance the security and stability in construction process.

The application belongs to the technical field of compressed air energy storage, and particularly relates to a compressed air system waste heat cross-seasonal storage device and method based on solid-state compression card effect, comprising: an air compression loop, a compression heat storage loop and a compression heat release loop. The application recycles compression heat to heat compression card materials, changes the lattice structure of the materials, and stores the compression heat energy in the compression card materials; when heat supply is needed, a certain pressure is applied to the compression card materials, the lattice structure of the materials returns to the original state, and a large amount of heat energy is released. The application can realize cross-seasonal and long-time storage of heat, and can controllably release heat energy according to different heat supply requirements, realizes recycling and reuse of waste heat, and effectively improves energy utilization rate.

The invention relates to the technical field of additive manufacturing, and discloses a supporting structure for additive manufacturing of a large-size thin-wall workpiece, which comprises a hollow rib plate control frame, a variable density lattice support and a solid grid lattice distribution structure, the hollow rib plate shape control frame is arranged in the thin-wall part or in an opening area, the variable-density lattice support is arranged at a key part and an easy-to-deform area of the thin-wall part, and the solid grid lattice distribution structure is arranged in a stress concentration area or a sudden change surface area of the thin-wall part. A sawtooth cutting contact structure is arranged at the contact part of the cutter and the thin-wall part; according to the supporting structure for additive manufacturing of the large-size thin-wall part, mechanical linkage and thermal expansion self-adaption design of the movable assembly are utilized, transmission cooperation of a driving plate, a toothed plate and a gear is combined with the limiting effect of a bevel gear set and a limiting plate, an abutting plate is attached to the inner wall of a frame all the time, and gaps and stress concentration caused by thermal expansion are counteracted; and the supporting stability and the fitting degree are maintained.

This invention relates to the field of parts processing equipment technology, and discloses a modular assembly and welding equipment for metal chassis parts. The equipment includes a processing table with adjustment slots on both sides of the top center of the processing table. A central plane seat, movable forward and backward, is slidably connected within each adjustment slot. A workpiece positioning mechanism, mounted on the processing table, is used to position the vertical columns and internal partitions of the chassis to be welded before processing. By adding and setting the pre-processing mechanism, the internal partitions can be uniformly preheated throughout the entire area. This method not only avoids softening and deformation of the sheet metal caused by localized overheating, but also slowly releases the residual lattice stress from previous bending and stamping processes, laying the foundation for subsequent welding shrinkage balance. Simultaneously, pulsed current further enhances the stress release effect, maintaining the original mechanical properties of the partitions without additional heat input and solving the problem of pre-processing lattice distortion.

A hot-dip plated steel sheet includes a hot-dip plated layer formed on a steel sheet. An absolute value of a difference in an area fraction of a first region between a pattern portion and a non-pattern portion is 30% or more. A cross section parallel to a surface is exposed at any position of 3t / 4 position, t / 2 position, or t / 4 position from the surface of the hot-dip plated layer, virtual lattice lines are drawn on each of the cross sections, a region in which a proportion of an area fraction B of a [Zn phase] to a total area fraction A of the [Zn phase] and an [Al / MgZn2 / Zn ternary eutectic structure] is 20% or more in each of a plurality of regions partitioned by the lattice lines is defined as the first region, and a region in which the proportion is less than 20% is defined as the second region.

A user support comprises at least one padded component having a porous lattice structure formed by an additive process. The porous lattice matrix may comprise a plurality of integrally formed tubular sections. A sound passage may be integrally formed in the porous lattice structure to conduct sound from a remote source to an opening in the user support.

The utility model belongs to the technical field of 3D printing, and particularly relates to a 3D printing waterproof sunscreen mask. The utility model discloses a 3D printing waterproof and sunscreen mask which mainly comprises an elastic structural surface and a lattice structural surface. The lattice structure surface is arranged on the elastic structure surface; a plurality of air channels are arranged in the lattice structure surface; the lattice structure surface can fit the human body surface. The 3D printing waterproof and sunscreen mask fits the facial contour of a user, has good air permeability, is comfortable to wear, and also has waterproof and sunscreen effects.

The invention provides a three-dimensional staggered lattice structure design method derived from a two-dimensional grid, and belongs to the technical field of lattice structure design. The method comprises the following steps of: 1, performing array and dislocation displacement on two-dimensional grid unit cells to form a three-dimensional staggered lattice structure; 2, when the dislocation displacement distance is smaller than the single-layer thickness and equal to the single-layer thickness, additional connecting rod pieces do not need to be added between two adjacent layers of two-dimensional grid unit cells for connection, and when the dislocation displacement distance is larger than the single-layer thickness, additional connecting rod pieces need to be added between two adjacent layers of two-dimensional grid unit cells for connection; 3, when the dislocation displacement distance is larger than the thickness of a single layer, the number and positions of interlayer connecting points between two adjacent layers of two-dimensional grid unit cells and the form of connecting rod pieces are designed according to requirements, and optimization is conducted through topological optimization and rod piece hollowing. Compared with an original two-dimensional grid structure, the weight and the occupied space are not greatly increased, the out-of-plane rigidity is greatly improved, and the structure is simple and effective.

The application discloses a three-dimensional lattice array structure with a controllable z-direction Poisson's ratio, and a basic unit comprises a lower bottom layer, an upper bottom layer, an intra-unit connecting rod and an inter-unit connecting rod, and the intra-unit connecting rod and the inter-unit connecting rod are symmetrical about the lower bottom layer or the upper bottom layer; a surface formed after arraying the lower bottom layer and the upper bottom layer is a novel negative Poisson's ratio plane structure, which comprises a central concave-arc-side hexagonal structure composed of concave-arc-sides and a chiral structure composed of plane connecting rods, and the plane connecting rods of the lower bottom layer and the upper bottom layer are opposite to each other around the direction of the central concave-arc-side hexagonal structure. The structure proposed by the application couples a chiral structure and a concave-arc-side polygonal structure on the upper bottom layer and the lower bottom layer, has a negative Poisson's ratio characteristic, and simultaneously improves the deformation capacity and the energy absorption and vibration reduction characteristics of the structure; the three-dimensional lattice array structure proposed can change the inclination direction of the connecting rods according to actual requirements, so as to realize a variable Poisson's ratio characteristic, and thus the application range of the structure is expanded.

Methods and an induction curing system for curing a composite panel. The induction curing system comprises; a rigid curing tool configured to hold a composite material; a vacuum bagging material sealed to the rigid curing tool; and a dimensional control structure having a lattice and an open casing formed of a rigid material, the lattice positioned within a concavity of the open casing, the dimensional control structure sealed to at least one of the vacuum bagging material or the rigid curing tool.

This application provides a heat dissipation module and a motor. The heat dissipation module includes a housing and a lattice structure. The lattice structure includes multiple stacked lattice sub-parts, each lattice sub-part having multiple heat dissipation sub-channels spaced apart along a direction perpendicular to the stacking direction of the lattice structure. The arrangement directions of the heat dissipation sub-channels of adjacent lattice sub-parts are different. Along the stacking direction of the lattice structure, the heat dissipation sub-channels of the multiple lattice sub-parts are sequentially connected to form a heat dissipation channel penetrating the housing, which is used for the flow of cooling gas. This application uses a lattice structure formed by multiple lattice sub-parts as a heat sink, which increases the heat dissipation surface of the heat dissipation module, ensures sufficient flow space in the heat dissipation channel, and, by limiting the arrangement directions of the heat dissipation sub-channels of adjacent lattice sub-parts to different directions, results in a heat dissipation channel composed of heat dissipation sub-channels of various shapes, which is beneficial for creating turbulence in the cooling gas, thereby improving the heat dissipation effect of the heat dissipation module.

An insert for sports equipment includes a 3D-printed lattice structure comprising at least one lattice layer designed using computer aided design software and customized according to user preference as to at least one of a size, shape, a thickness and a density of the at least one lattice layer. In some embodiments, the insert further comprises a base layer and / or a backing layer. The insert provides customizable protection, mobility and comfort to the sports equipment to be used in consumer pre-owned sports equipment; or in the process of manufacturing new sports equipment—for example, if a manufacturer chooses to deviate from their traditional / original materials and replaces them with 3D printed components (the insert).