125 results about "Metal lattice" patented technology

Method for manufacturing a metal grating structure, wherein, after a concave part having an insulating layer on an inner surface thereof is formed in a silicon substrate, a portion of the insulating layer formed on a bottom part of the concave part is removed, and the silicon substrate at the bottom part of the concave part is etched to increase the surface area of the bottom part of the concave part as compared with a state before the etching, followed by filling the concave part with metal by an electroforming method.

The invention discloses a section-variable metal lattice structure and a machining method thereof. The section-variable metal lattice structure comprises a plurality of section-variable lattice units arranged in the space. Each section-variable lattice unit is formed by connecting a plurality of section-variable rod pieces. The section-variable metal lattice structure is formed by conducting sintering layer by layer through a laser melting technology. A working bin of a metal powder sintering machine is kept sealed before machining with nitrogen being protection gas. For the internal force characteristics of all parts of the rod pieces, the rod pieces of the metal lattice units are optimized. Compared with an even lattice structure formed by weaving and welding metal wires, the section diameter of the section-variable rod pieces in the section-variable lattice structure is accurately determined by the internal force condition needing to be met under the load condition, materials forming the section-variable rod pieces are increased or decreased according to the stress gradient in the section-variable rod pieces, powder materials are saved, and the light characteristic is improved.

According to a method for manufacturing a metal grating structure of the present invention, in filling a concave portion formed in a silicon substrate (30), for instance, a slit groove (SD) with metal by an electroforming method, an insulating layer (34) is formed in advance on an inner surface of the slit groove (SD) as an example of the concave portion by a thermal oxidation method. Accordingly, the metal grating structure manufacturing method is advantageous in finely forming metal parts of the grating structure. A metal grating structure of the present invention is manufactured by the above manufacturing method, and an X-ray imaging device of the present invention is incorporated with the metal grating structure.

The present invention is related to the preparation of a metal lattice-doping catalyst in an amorphous molten state, and the process of catalyzing methane to make olefins, aromatics, and hydrogen using the catalyst under oxygen-free, continuous flowing conditions. Such a process has little coke deposition and realizes atom-economic conversion. Under the conditions encountered in a fixed bed reactor (i.e. reaction temperature: 750˜1200° C.; reaction pressure: atmospheric pressure; the weight hourly space velocity of feed gas: 1000˜30000 ml/g/h; and fixed bed), conversion of methane is 8-50%. The selectivity of olefins is 30˜90%. And selectivity of aromatics is 10˜70%. There is no coking. The reaction process has many advantages, including a long catalyst life (>100 hrs), high stability of redox and hydrothermal properties under high temperature, high selectivity towards target products, zero coke deposition, easy separation of products, good reproducibility, safe and reliable operation, etc., all of which are very desirable for industrial application.

The invention discloses a touch screen and a manufacturing method thereof as well as a display device. The touch screen comprises a substrate base plate, and a first touch electrode, a first insulating layer and a second touch electrode which are arranged on the substrate base plate in sequence, wherein the first touch electrode and the second touch electrode are mutually crossed and are of a metal lattice shape; the touch screen further comprises a first signal line which is electrically connected with the first touch electrode, and a second signal line which is electrically connected with the second touch electrode; and metal protection layers are arranged on the first signal line and the second signal line located in a binding region of the touch screen. The metal protection layers are arranged on the first signal line and the second signal line located in the binding region of the touch screen and can be used for protecting the first signal line and the second signal line, so that the anti-corrosion capability of the touch screen is integrally improved, and furthermore, the final yield of a product can be improved through corrosion resistance dependence authentication.

The invention relates to a surface acoustic wave (SAW) gyroscope based on a traveling wave mode. The SAW gyroscope (3) comprises a piezoelectric substrate (32), a first delay line (31) and a second delay line (33) arranged on the surface of the piezoelectric substrate (32), and sound-absorbing rubbers (35) distributed at both ends of the first delay line (31) and the second delay line (33). The SAW gyroscope is characterized in that a first metal lattice (36) is distributed between two interdigital transducers of the first delay line (31), and a second metal lattice (39) is distributed between two interdigital transducers of the second delay line (33), the first delay line (31) and the second delay line (33) are parallelly and reversely arranged and has a same structure. The piezoelectric substrate (32) is a LiTaO3 piezoelectric substrate rotating around a Y direction for 112 DEG and cut, and spreading along an X direction. Through the above structure, a detection sensitivity of the gyroscope is effectively improved.

A worm attaching type biological bed for sludge decrement treatment of city sewage is disclosed. The invention belongs to the technical field of sludge treatment with biological technology and overcomes the shortcomings of low attaching worm quantity, unstable population, low working capacity and low water-impact resisting ability of the prior art. The bed comprises a container, a plurality of baffles and an aerating device, wherein, the baffles can baffle the water entered the container before flowing out; the spaces among vertically baffles as well as between the baffles and the lateral wall of the container are used as overflowing passages. The bed also comprises a plurality of worm attaching plates, which are arranged in the overflowing passages along the length direction thereof. The worm attaching plates consist of metal lattice screens and filling membranes, wherein, the metal lattice screens are made into wave shapes along the length direction; the filling membranes are elastic panels made by crisscrossing and rolling polypropylene fiber bundles and polyethylene fiber bundles with orifices or clearances left between, and the diameter and the width of the orifices or clearances is 0.1-0.5 mm; the surfaces of the filling membranes have attaching polyethylene fiber bundles or polyethylene cilia.

The invention discloses an internal defect detection method for a multilayer metal lattice structure material based on Faster R-CNN. Combined with a convolution neural network, The three-dimensional structure of the multi-layer metal lattice material sample is obtained by scanning and detecting the multilayer metal lattice structure material sample with industrial CT. The two-dimensional gray image of the transverse section of the lattice structure is intercepted and a large number of defect samples in the gray image are sampled and learned. The defects in the gray image are identified and located with the learned defect features. The experimental results show that the average accuracy rate of internal defect detection is 99.5% for multi-layer metal lattice structure materials.

A method of making an energy absorbing assembly for decelerating an object striking the assembly. The assembly includes a chassis and at least one energy absorbing module associated therewith. In order to provide predetermined energy absorbing properties, at least one energy absorbing module is made of a structure comprising a first structure (A) and a second structure (B). Structure (A) is a metal grid structure supported by a base plate. Structure (B) includes a plurality of grooves each having a bottom and walls. Taken together, structure (A) and structure (B) and combinations thereof provide the user with the ability to determine impact resistance.

The invention discloses a vapor-assisted metal micro-droplet manufacturing device and method and belongs to a micro-droplet jetting additive manufacturing technology. The inside of a seal box body is kept in a closed environment to keep an internal temperature invariable; a liquid metal is stored in an inner crucible, an inert gas with pulsating pressure is introduced from a pulsating pressure gas inlet, and the liquid metal is extruded to flow outside from a liquid outlet; a certain distance is kept between an outer crucible and the inner crucible; a heater wraps the outside of the outer crucible to keep the temperature of an internal environment constant; a high-pressure gas flows from an air inlet passage and a flowing metal liquid is extruded and sheared at a liquid outlet; the high-pressure gas flows outside from an air leakage passage and generated micro-droplets flow outside from a droplet outlet and fall to a deposition platform. Through the viscous shearing action of the gas around the liquid outlet, advanced shear fracture of the liquid is achieved at a droplet formation stage, smaller uniform micro-droplets are generated, improvement of the accuracy and the compactness of a formed part is facilitated, a metal lattice structure is more uniform and the mechanical property is better.

The invention discloses an algorithm for calculating the initial rigidity and plastic failure strength of a variable-section metal lattice structure. The algorithm includes the steps of s1, building aplane-coordinate system, and using the plane-coordinate system and the section size of a BCC variable-section metal lattice unit cell rod to obtain the radius expression of the section of the BCC variable-section metal lattice unit cell rod; s2, building a space coordinates system, and using the space coordinates system, the Hooke's law and a bending and compression combined deformation formula to obtain the relational expression of spatial tangential force, bending moment and spatial displacement borne by the node of the unit cell rod; s3, using the energy conservation law and the relationalexpression of spatial tangential force, bending moment and spatial displacement to obtain a quadratic equation in one unknown related to the tangential force of the node of the unit cell rod, solvingthe quadratic equation in one unknown to obtain a tangential force expression which does not contain the spatial displacement of the node, and using the tangential force expression and the relation between the tangential force at the node and axial force and the bending moment to obtain the expression of the axial force and the bending moment; s4, using the Hooke's law and the expression of the tangential force, the bending moment and the axial force to obtain the initial rigidity and plastic failure strength of the BCC variable-section metal lattice structure.

The invention discloses a metal pyramid type lattice sandwich plate and a preparation method thereof, relates to a lattice sandwich plate and a preparation method thereof, and aims to solve the problems that an existing metal lattice structure is high in preparation cost, low in material utilization rate, long in preparation process and complicated in manual operation and more preparation defects are introduced into the metal lattice structure in the preparation process. The metal pyramid type lattice sandwich plate comprises a pyramid type lattice core, an upper metal panel and a lower metal panel. The preparation method comprises the following steps: 1, preparing a metal corrugated plate; 2, preparing metal pyramid type lattice structure unit cells; 3, preparing the pyramid type lattice core; 4, preparing the metal pyramid type lattice sandwich plate. The prepared metal pyramid type lattice sandwich plate has the advantages of low cost, high material utilization rate and short preparation process. Compared with the preparation cost of the existing metal lattice structure, the preparation cost of the metal pyramid type lattice sandwich plate is reduced by 20-30 percent. By virtue of the preparation method, the metal pyramid type lattice sandwich plate can be obtained.

The invention provides a touch control panel, a manufacturing method of the touch control panel and a touch control display device. The touch control panel comprises a substrate base plate and a plurality of first touch control electrodes, wherein the first touch control electrodes are positioned on the substrate base plate; each first touch control electrode comprises a plurality of first touch control electrode wires in crossed arrangement; in addition, the first touch control electrode wires comprise at least two layers of transparent conductive layers in laminated arrangement in the direction vertical to the substrate base plate; the transparent conductive layers comprise a first metal oxide layer and a first metal layer, or the first metal oxide layer and a first graphene layer. The touch control panel uses at least two transparent conductive layers in pairwise laminated arrangement for replacing the metal lattice for manufacturing grid touch control electrode wires in the touch control electrode; the moire is eliminated, so that the optical quality of the touch control panel is improved.

The invention discloses a preparation method of a high-performance supported metal silicide catalyst and application thereof, and belongs to the field of catalytic science and technology. In the catalyst, silicon atoms enter metal lattices, and cause the metal lattices to be expanded and metallic bond length to be increased, and structural changes, physical property changes and the like provide metal silicides with special catalytic properties. The preparation method comprises the following steps: a carbonyl compound and an organic silicon compound are used as raw materials, and a metal organic silicide precursor is obtained after low temperature reaction and purification by sublimation; and the metal organic silicide precursor is sublimated to a carrier in a fluidized bed reactor for metal organic chemical vapor deposition, thus obtaining the high-performance supported metal silicide catalyst. The catalyst can be applied to multi-phase hydrogen-related catalytic reactions such as naphthalene hydrogenation, selective hydrogenation of alkyne or diene, hydrodesulfurization and hydrodenitrogenation reactions. The preparation method solves the problem of low surface area of metal silicides prepared by traditional methods, and has advantages of simple operation and easy control.

A skid pallet comprising an inner container made of plastic, comprising a lockable filler neck and a discharge nozzle for connecting a removal fitting as well as an outer jacket made of a metal lattice or metal plate. The skid pallet is equipped to be handled by forklifts, a storage and retrieval machine or similar transport equipment and is equipped with a pallet floor, which is supported on support feet of a central skid and two outer skids. The central skid and the outer skids are connected to one another by a skid bridge forming a pallet base, which can be handled independent from the pallet floor, and that, for establishing a non-positive plug-in connection with the pallet base, the pallet floor furthermore encompasses engagement devices, which are assigned to the support feet and which interact with assigned engagement devices of the support feet.

A lattice detector consists of metal lattice for providing voltage and detection signal, CPU triggering pin for zero clearing and resetting of storage. The present invention realizes efficient protection of core data by applying protective method of setting metal lattice and detector circuit on safety chip.

The invention discloses a preparation method of a rectangular pyramid metal lattice material and includes the following steps of: defining geometric size of a sandwich beam of the lattice material; building a three-dimensional geometric model of the sandwich beam of the rectangular pyramid lattice material; writing a numerical control machining program and transferring a program file to a numerical control unit of a numerical control machine; and finally, processing the sandwich beam of the rectangular pyramid lattice material through the numerical control machine. The preparation method of the invention has the advantages of high automation degree and short manufacturing cycle; in addition, the rectangular pyramid metal lattice material prepared with the method is high in strength, level in plane, good in periodicity of rectangular pyramid cell elements and widespread in application.

The invention relates to a bearing device for display panel test. The bearing device includes a carrier and a test base. The bearing device is connected with a connector of a display panel through a PCB signal adapter plate, and transmits a detection signal of the display panel to a metal lattice of the PCB signal adapter plate. The display panel can be detected by making the bearing device and the metal lattice of the PCB signal adapter plate form a circuit directly, which reduces the damage caused by repeated pressing of products. The metal lattice of PCB signal adapter plate is detected directly, which avoids an inaccurate test result caused by conduction failure of the connector of the display panel. Support pillars are arranged at the four corners of the base to locate the hold the carrier and make the carrier connected accurately. A cylinder drives a probe component to move up and down to complete signal on/off operation. The bearing device for display panel test has the advantages of simple operation, high success rate of conduction and high detection efficiency. The structure of the bearing device can be compatible with non-testable workstations.

The invention discloses a wireless charger and a charging control method thereof. The wireless charger comprises a metal lattice, a driving module and a controller, wherein the metal lattice, the driving module and the controller are electrically connected with a power supply module. The metal lattice comprises a plurality of metal points. Adjacent metal points in the metal lattice are connected through a controllable switch. The control end of the controllable switch is connected with the driving module. The controller generates a first control signal to the driving module. The driving module drives the controllable switches in a first area of the metal lattice according to the first control signal for realizing conduction so that the metal points in the first area of the metal lattice are started for forming a first transmitting coil. According to the wireless charger and the charging control method thereof, through forming the coil by means of connecting the plurality of metal points and adjusting the controllable switches, charging coil position adjustment can be realized, thereby realizing free placement of to-be-charged equipment in the wireless charger, realizing high suitability for different kinds of to-be-charged equipment, and improving wireless charging availability and user experience.

The invention discloses a metal lattice interlayer plate with embedded defects and a mechanical property detection method thereof. The preparation process is simple, low in cost and applicable to preparation of various metal lattice materials. By means of the mechanical property detection method, the mechanical property of the metal lattice interlayer plate with the embedded defects can be comprehensively detected. The method comprises the steps that 1, a wire mesh of a two-dimensional planar structure of a periodic rhombus structure is stamped at joints to obtain a lattice material with a three-dimensional pyramid structure; 2, defects are embedded on the lattice material or metal panels, the lattice material is used as a core material to be arranged between the two metal panels in an overlaid mode, the lattice material and the two metal panels are brazed at a high temperature after being overlapped, and the metal lattice interlayer plate with the embedded defects is obtained. The defect embedding process comprises the steps that some joints of the lattice material are coated with protective materials, partial metal lattice sandwich is cut away, or one metal panel is punched.

The invention belongs to the related technical field of lattice structure manufacturing and processing, and discloses a method of electric arc fuse additive manufacturing of a metal lattice structure.On one hand, the pulse waveform of power output is controlled, so that the transition of one pulse and one drop is realized, the size and number of molten drops can be accurately controlled, and thediameter of a unit rod of the lattice structure is controlled; on the other hand, the lifting capacity and offset in a printing path are controlled, so that the angle of the unit rod of the lattice structure can be accurately controlled, and the electric arc fuse additive manufacturing of the lattice structure of any structure is realized. The invention further discloses a corresponding product. According to the method, the defects and deficiencies of various preparation lattice structures in the prior art can be effectively overcome, and additionally, the method has the advantages of high processing quality and low material requirement and is suitable for any complex form and large sizes.

Disclosed is a smelting method of silicon phosphorus brass. The method comprises following steps: a copper material and wood charcoal are added into a smelting furnace, and temperature rises, so that the copper material is completely smelted; when the copper material is completely smelted, silicon, zinc, chromium, vanadium, phosphorus and iodine are added; after the temperature reaches 1260 DEG C to 1410 DEG C, -80 DEG C nitrogen is blown into a furnace, and after the temperature is reduced to 810 DEG C to 900 DEG C, tin, holmium, neodymium, titanium, palladium, cerium, tellurium and aluminum are added into the furnace; after a furnace material is completely smelted, and the temperature reaches 1350 DEG C to 1500 DEG C, , an aggregated refining agent and a base material are added, molten copper is fully stirred, and then the temperature rises to 1700 DEG C; and after the temperature is reduced to 1100 DEG C to 1200 DEG C, high-purity nitrogen at the normal temperature is led into the furnace. According to the smelting method, components of zinc, silicon, phosphorus and the like are fully locked, through temperature reduction in the smelting process, a gold phase is distorted, hardness of a copper alloy is greatly improved, in the smelting process, nitrogen is blown in, it can be fully ensured that the silicon and the phosphorus are blended in a metal lattice, and meanwhile alloy components can be evenly mixed and matched with copper.