2865 results about "Metal mesh" patented technology

An antenna module according to an embodiment comprises: a first layer which is arranged on the front surface of a dielectric substrate, and which is composed of a radiator region having a metal mesh grid, and a dummy region having a dummy mesh grid formed of a plurality of patterns; and a second layer which is arranged on the rear surface of the dielectric substrate and which allows the metal mesh grid to operate as a ground. The plurality of patterns can form a first metal line to a fourth metal line, the first metal line and the third metal line can be parallel to each other, the second metal line can connect the first metal line to the third metal line, and the fourth metal line can be connected to a second end portion of the third metal line.

The invention relates to a coal seam extraction drilling air bag type memory metal net cover hole collapse prevention device and method, the device comprises an I-type air bag net cover installation unit body, a plurality of II-type air bag net cover installation unit bodies and an inflator pump, an exhaust pipeline is provided with an exhaust control valve, a hole wall is supported through a memory metal net cover, and the air bag net cover installation unit body and the inflator pump are arranged in the hole wall; the memory metal net sleeves can be matched with drill holes with different hole diameters in a self-adaptive mode and can be repeatedly used, the configuration number of the memory metal net sleeves can be greatly reduced, and therefore the processing cost of hole collapse prevention is further reduced; the installation of the memory metal net sleeve is directly controlled by the expansion of the air bag, so that the memory metal net sleeve can be quickly unfolded and reliably contacted with the hole wall; the removal of the memory metal net sleeve is directly controlled by temperature control gas, so that the memory metal net sleeve retracts to an initial state at the recovery temperature and is separated from the hole wall; the mounting and dismounting process of the memory metal net cover has the advantages of being simple, efficient and easy to operate, and the construction efficiency can be further improved.

The utility model provides a metal screen capable of improving the height-width ratio of printing paste, which is provided with at least two metal thin layers in a laminated manner, each metal thin layer is uniformly provided with a plurality of printing grooves, and the positions of the printing grooves of each metal thin layer correspond to each other. The opening area of the printing groove of the scraper face is larger than that of the printing groove of the printing face, and a first ink storage groove is formed in the outer edge of the metal thin layer printing groove in the scraper face. By means of the mode, the problems that in the printing process of an existing metal screen, slurry is prone to drying, so that fluidity is poor, the printing height-width ratio is low, inking is uneven, and virtual printing is prone to occurring are solved.

Systems, assemblies, apparatuses, and methods herein may provide an enhanced fluid seal between two components. A seal to enhance a fluid seal between a surface of a first component of a pump and a surface of a second component of the pump may include an annular seal body having a seal body surface and a seal cross-section at least partially defined by the seal body surface. The annular seal body may include a metal mesh, thereby to enhance thermal conductivity between the seal and one or more of the first component or the second component, so as to transfer heat from the seal to one or more of the first component or the second component, thereby to reduce a temperature of the seal and extend a service life of the seal.

The invention belongs to the technical field of seawater desalination, and discloses a light-heat-electricity-heat synergistic evaporator and a preparation method thereof.The light-heat-electricity-heat synergistic evaporator comprises a water transmission channel, a light-heat evaporation interface and an electric heating evaporation interface, the light-heat evaporation interface is arranged on the water transmission channel, and the electric heating evaporation interface is arranged in the light-heat evaporation interface; the water transmission channel is made of a two-dimensional layered material, the photo-thermal evaporation interface is made of a two-dimensional layered material composite surface plasmon material, and the electric heating evaporation interface comprises a metal net which is arranged in the photo-thermal evaporation interface and forms an interlayer heating structure. Compared with a traditional photo-thermal evaporator, the photo-thermal-electric-thermal synergistic evaporator adopting an interlayer heating mode can achieve all-weather stable operation through solar energy and electric energy, and the heat loss of electric heating is reduced by regulating and controlling the position of an electric heating evaporation interface. Due to the high conductivity of the metal net, the evaporation efficiency is greatly improved, and the metal net can be efficiently applied to industrial production of water evaporation, seawater desalination and fresh water production.

The embodiment of the invention provides a conductive film, a metal grid touch screen sensor, a touch module and a preparation method of the conductive film. The problem that in the prior art, a conductive film is prone to breakage after being bent for multiple times is solved. The conductive film includes a substrate layer, a first conductive layer, and a first outer blackening layer. The substrate layer is provided with a first surface and a second surface which are oppositely arranged along the thickness direction of the substrate layer; the first conductive layer comprises a plurality of first conductive sub-layers, the plurality of first conductive sub-layers are sequentially stacked on the first surface of the substrate layer, the thickness of each first conductive sub-layer is smaller than a first preset value, and the number of the first conductive sub-layers is larger than a second preset value; the first outer blackening layer is stacked on the first conductive sub-layer on the outermost layer. The touch module prepared from the conductive film provided by the embodiment of the invention has the advantages of good fracture resistance and high visual quality.

The utility model relates to the technical field of blade polishing wheels, and discloses a welding type seamless metal screen cloth polishing wheel which comprises a wheel core, an elastic base body is arranged on the outer layer of the wheel core, and a grinding material shell covers the outer layer of the elastic base body. The grinding material shell comprises metal screen cloth, a group plating layer is arranged on the lower layer of the metal screen cloth, a film structure is arranged on the surface of the metal screen cloth, a plurality of grinding material seats are arranged on the film structure, nickel electroplating layers are arranged on the grinding material seats, and grinding materials are arranged on the nickel electroplating layers. According to the welding type seamless metal mesh polishing wheel, the seamless polishing wheel can be prepared through the rubber bag forming technology, the service life of the polishing wheel is further prolonged, meanwhile, through the electroplating method and the like, the abrasive base in the abrasive shell is formed after forming, the consistency of the shape of the abrasive base and the overall theoretical appearance of the polishing wheel is better, and the polishing effect is better. And the polishing wheel with higher precision can be further prepared through forming and grinding.

The utility model discloses a three-link ecological protection structure for a slope, including a slope, two sides of the slope are provided with fixed beams 1, an irrigation structure is provided on the top of the slope, a plurality of pairs of fixed beams 2 are provided on the slope at equal intervals, a plurality of arc-shaped guide plates are fixedly connected between the fixed beams 1 and 2, a plurality of planting frames are provided between the arc-shaped guide plates, a drainage structure is provided on the opposite side of the fixed beams 1, a filtering structure is provided on the fixed beams 1 and 2, a drainage channel is provided at the bottom of the slope, a crushed stone layer is provided at the bottom of the slope, and a metal grid is fixedly installed on the surface of the crushed stone layer. The advantages of the utility model compared with the existing technology are: the utility model can not only guide rainwater to quickly drain water to avoid rainwater flowing straight down along the slope to form runoff to wash away vegetation and soil, but also collect rainwater and carry out reasonable irrigation to ensure the growth of slope vegetation.

The antenna assembly comprises a first layer, a second layer and a third layer, wherein the first layer is formed by a dielectric substrate which is formed by a transparent dielectric material; and a second layer formed in the shape of a metal mesh on one surface of the dielectric substrate. The second layer may include: a metal mesh radiator region configured from a metal wire and an open region, the metal wire having an irregular mesh shape having a predetermined line width or less to transmit and receive a wireless signal; and a dummy metal mesh region configured from a slit and a metal wire that achieves an irregular mesh shape having a predetermined line width or less.

The invention provides a flexible interference network deployment method and system based on carbon fiber conductive cloth. The method comprises the following steps: acquiring space field intensity data in a non-uniform electromagnetic field environment, and performing physical field correction on the space field intensity data to generate compensation field intensity data; a metal screen cloth structure is formed on the surface of the carbon fiber, and porosity distribution parameters are obtained through gradient difference generation treatment; forming a metal mesh cloth layer with gradient pore size distribution, and performing deformation adaptation on the pore size distribution in combination with real-time bending curvature data to generate dynamic and stable porosity distribution; based on electromagnetic field intensity associated region division on the metal mesh layer, dynamically adjusting the grounding resistance value of each divided region, and generating a resistance regulation and control parameter; physical connection between the metal screen cloth layer and the grounding end is realized, and electromagnetic shielding effectiveness parameters are output. According to the invention, adaptive shielding effectiveness optimization of the flexible interference network in a complex electromagnetic environment is realized.

The invention discloses an energy storage battery box based on light high-performance concrete and a preparation method of the energy storage battery box, and belongs to the technical field of energy storage equipment. The energy storage battery box provided by the invention comprises a light high-performance concrete base body and a metal net embedded in the light high-performance concrete base body, according to the lightweight high-performance concrete matrix, a multi-component gel system composed of ordinary Portland cement, a shrinkage reducing agent, a solid waste-based geopolymer and steel slag micro powder is adopted, and solid waste-based artificial sand, fibers and a solid waste-based filling material in a specific proportion are compounded, so that a lightweight high-strength intrinsically fireproof concrete material is successfully prepared; meanwhile, a large amount of industrial solid wastes such as the desulfurized gypsum, the red mud, the steel slag tailings and the fly ash are utilized, efficient resource utilization is achieved, the raw material cost and full-life-cycle carbon emission are remarkably reduced, and the production efficiency is high.

The invention relates to the technical field of metal net welding, in particular to a welding control method and system for the metal net production process, and the method specifically comprises the steps that firstly, functional areas are divided based on the geometric structure of a metal net, temperature changes in thermal imaging images of all the functional areas are analyzed in real time, and weights of different areas are defined; environmental parameters and equipment state data are collected in real time through multiple types of sensors, and comprehensive deviation of materials, environments and equipment at all moments is calculated in combination with material characteristic parameters; adjusting the proportion parameter of each functional area at each moment based on the weight and the comprehensive deviation, and dynamically adjusting the welding power of each functional area at each moment in combination with a self-adaptive PID (Proportion Integration Differentiation) algorithm; the problems that under traditional unified parameter control, the weld quality is not uniform, and the production line rhythm and energy consumption cannot be considered at the same time are solved, and the production efficiency is improved while the welding quality is guaranteed.

The invention relates to the technical field of flexible transparent electrodes, in particular to a Cu / Al laminated metal grid flexible transparent electrode and a preparation method thereof. The Cu / Al laminated metal grid flexible transparent electrode comprises a flexible substrate, a copper layer arranged on the flexible substrate and an aluminum layer arranged on the copper layer, and the aluminum layer located on the outer layer spontaneously forms an Al2O3 passivation layer with the thickness of 2-5 nm in air. The Al2O3 passivation layer can effectively prevent oxygen and moisture from permeating inwards, so that oxidation of the copper layer in a humid or high-temperature environment is fundamentally inhibited, long-term stability of the electrical property of the electrode is ensured, and meanwhile, due to the fact that the thickness of the copper layer is 150-250 nm, excellent conductivity is provided, and low square resistance is achieved; the latticed structure maintains high light transmittance of the electrode while ensuring a high conductive path. Finally, the structure has excellent oxidation resistance, high light transmittance, low sheet resistance and flexible stability under the support of a flexible transparent substrate with the thickness of 50-200 [mu] m, and meets the harsh requirements of a new generation of flexible optoelectronic devices on electrode performance.

The utility model discloses an aluminum ingot production and processing casting machine conveying device which comprises a supporting column, a transmission roller is arranged on the supporting column, a metal net belt is arranged on the transmission roller in a transmission mode, a beam is arranged on the supporting column, a recycling box is arranged on one side of the metal net belt, an aluminum ingot limiting device is arranged on the metal net belt, and a conveying belt is arranged on the aluminum ingot limiting device. A spray cooling device is arranged on the cross beam, a water receiving device is arranged on the cross beam and located between the metal net belts, and an air drying device is arranged on the cross beam. The utility model belongs to the technical field of aluminum ingot conveying and processing, and particularly relates to a conveying device of an aluminum ingot production and processing casting machine, which solves the problems that in the prior art, aluminum ingots are easy to slide in the conveying process due to lack of limiting measures for the aluminum ingots when the aluminum ingots are conveyed, and meanwhile, the aluminum ingots are lack of a rapid cooling and heat dissipation function.

The invention provides a transparent electromagnetic shielding metal copper mesh and a preparation method and application thereof. The preparation method of the transparent electromagnetic shielding metal copper mesh comprises the steps that an electromagnetic shielding substrate is coated with an ink layer, then the ink layer is converted into a patterned metal copper mesh to be deposited on the surface of the electromagnetic shielding substrate through a femtosecond laser reduction direct writing method, and finally ink which is not converted into the metal mesh is cleaned through cleaning liquid. Obtaining a transparent electromagnetic shielding metal copper mesh; the ink is prepared from copper salt, water, reductive low-carbon alcohol and a nano material, and the nano material comprises at least one of a high-conductivity nano material and a high-permeability nano material. According to the method, the transparent electromagnetic shielding metal copper mesh is prepared through femtosecond laser reduction direct writing, by adjusting the line width and the period of the metal copper mesh, the shielding effectiveness is effectively improved under the condition that the high light transmittance of an electromagnetic shielding material is guaranteed, the technological method is simple and feasible, and high-efficiency and low-cost manufacturing of the transparent electromagnetic shielding metal copper mesh is achieved.

The utility model discloses a novel road sound barrier, and belongs to the technical field of sound absorption and insulation and noise reduction. The novel road sound barrier comprises connecting stand columns arranged at certain intervals and composite plates arranged between the adjacent connecting stand columns, the bottoms of the connecting stand columns are fixed to a base, each composite plate is provided with a metal shell formed by connecting a perforated panel, a back plate and an end keel, and sound absorption cotton / plates are arranged on the metal shells. An elastic supporting metal net is fixedly arranged between the back plate and the sound absorption cotton / plate; sound absorption holes are formed in the perforated panel; the end keel is of a rectangular frame structure and is fixedly connected with the edge of the panel with the holes and the edge of the back plate. The sound absorption device has the beneficial effects that the elastic supporting metal net can be conveniently mounted on the back plate and plays a role in stably supporting the sound absorption cotton / plate; the rainproof structure of the composite board can prevent rainwater from entering the composite board; the novel road sound barrier is convenient to install and construct, stable in structure and capable of meeting the long-time application requirement.

The invention discloses an electromagnetic shielding multifunctional composite film of an embedded metal mesh and a preparation method of the electromagnetic shielding multifunctional composite film, and belongs to the technical field of optical antireflection films. The high-refractive-index conductive film is formed by alternating a base material, a metal mesh, a high-refractive-index conductive film layer and a low-refractive-index film layer, the metal mesh is embedded in the base material, the high-refractive-index conductive film layer and the low-refractive-index film layer are sequentially and alternately arranged above the base material, the outermost layer is the high-refractive-index conductive film layer, the low-refractive-index film layer is subjected to graphical processing, and the high-refractive-index conductive film layer and the low-refractive-index film layer are sequentially and alternately arranged on the base material. The projection area of the low-refractive-index film layer is smaller than that of the high-refractive-index conductive film layers, and the multiple high-refractive-index conductive film layers are communicated outside the low-refractive-index film layer; the metal mesh embedded structure and the material selection of the high-refractive-index conductive film layer and the low-refractive-index film layer increase the mechanical strength of the composite film, have a protection function, can be used as an electric heating film without additional electrodes, and enable the composite film to have a better shielding effect through the parallel structure and the microwave resonant cavity structure.

The present application discloses a bar burner and a combustion device. The bar burner comprises: a bar burner body, a gas flow channel being formed inside the bar burner body, the bar burner body being provided with a top plate, and the top plate being provided with a plurality of combustion flame holes communicated with the gas flow channel; a metal mesh provided on one side of the top plate and arranged corresponding to the plurality of combustion flame holes; and a distribution and flame stabilizing piece provided in the gas flow channel, the distribution and flame stabilizing piece being provided with a plurality of distribution holes communicated with the plurality of combustion flame holes.

A downspout guard having opposed sidewalls and opposed end walls connected to a top wall, all formed from mesh material, such as metal mesh. Bottom edges of the walls engage a gutter bottom wall to hold the guard in place and forcing water to flow through the guard before entering the downspout. The sidewalls can engage gutter front / back walls, further holding the guard in place. Trapped debris enhances further debris entrapment, even trapping particles smaller than the mesh opening. Optionally, end walls taller than the sidewalls to accommodate obstructions and allow height adjustment by relative angle changes.

The utility model relates to the field of corrugated pipes, in particular to a corrugated hose for fuel gas, which comprises a corrugated pipe sleeved with a corrosion-resistant metal mesh layer. According to the corrugated hose for the fuel gas, the corrugated pipe, the first threaded connector, the limiting groove, the adapter, the second threaded connector, the first sealing ring, the second sealing ring, the outer cylinder, the elastic piece, the limiting block and the outer nut are arranged, and the adapter is in butt joint with the corrugated pipe; an outer cylinder outside the adapter, an elastic piece and a limiting block extend into a limiting groove in the first threaded connector, the limiting block can be clamped in the limiting groove to form clamping butt joint, then the corrugated pipe and the adapter are in threaded connection by rotating an outer nut outside the adapter, and meanwhile the sealing effect is achieved through the arrangement of a first sealing ring and a second sealing ring; the connection mode enhances the firmness and the sealing performance between the two parts.

The invention provides a heat dissipation film and a preparation method thereof and a display device, the heat dissipation film comprises a composite adhesive layer and a metal layer which are stacked, and the composite adhesive layer comprises an adhesive layer main body and a metal net; the material of the adhesive layer main body has bonding and stress buffering performance, the metal net is embedded between a first surface and a second surface of the adhesive layer main body and is configured to limit adhesive flowing of the adhesive layer main body in the direction parallel to the metal layer, the first surface is a surface close to the metal layer, and the second surface is a surface far away from the metal layer.

The invention relates to the technical field of transparent conductive material repairing, in particular to a repairing method of a micro-metal network structure based on electrochemical deposition. The repairing method of the micro-metal network structure based on electrochemical deposition comprises the following steps: S1, preparing a corresponding electrolyte mixed solution according to the type of metal in the micro-metal network structure to be repaired, and placing the electrolyte mixed solution in an electrolytic bath; and S2, the micro-metal network structure to be repaired is placed in an electrolytic bath to be repaired. S3, judging whether the micro-metal network structure is repaired or not; and if the repair is completed, taking out the micro-metal network structure from the electrolytic bath, and if the repair is not completed, repeating the step S2 until the repair of the micro-metal network structure is completed. According to the repairing method, the electrochemical deposition principle is utilized, material deposition can be accurately carried out at the defect position of the micro-metal network structure, directional repairing is achieved, and the conductivity and the light transmittance of the repaired micro-metal network structure are improved.

The invention relates to a high and steep rock slope ecological restoration structure based on a biological solidification technology. The high and steep rock slope ecological restoration structure comprises a rock slope body, anchor rods, a metal net, a square solid containing cavity, a biological solidification coarse-grained soil layer, a vegetation base layer and an n-shaped component. The metal net is flatly laid on the surface of the rock slope body and is fixed on the surface of the rock slope body through a plurality of anchor rods; the plurality of anchor rods are transversely arranged in rows and longitudinally arranged in columns along the rock slope body, and are driven into a stable rock stratum of the rock slope body; the square solid containing cavity is fixedly connected with a rock slope body through an n-shaped component embedded into the rock body. The biological curing coarse-grained soil layer is formed by curing coarse-grained soil which is laid in the square solid containing cavity and contains biological slurry by spraying bean enzyme treatment liquid; the vegetation base layer is sprayed and seeded on the upper surface of the biological curing coarse-grained soil layer. The ecological restoration structure for the high and steep rock slope is good in strength and integrity, convenient and efficient to construct, good in ecological restoration effect and high in ecological stability and continuity.

The invention relates to the technical field of metal net welding, in particular to intelligent metal net welding equipment which comprises a support, a seam welder and the like. A first electric sliding block is slidably connected to the support. A seam welder is fixedly connected to the first electric sliding block. According to the metal net edge rolling device, only one end of a metal net needs to be manually placed between the abutting rod and the clamping rod, then the metal net is automatically rolled into a cylindrical shape through the guide rod, manual edge rolling operation on the metal net is not needed, the manual labor amount is reduced, and the problems that due to manual operation, the two ends of the overlapped position of the metal net are prone to dislocation, and welding seams are inclined after welding is completed are solved. The problem that the metal net forms an irregular cylinder is solved; and the seam welding electrode wheel of the seam welding machine is used for rolling and welding the overlapped part of the metal net, so that the seam welding machine does not need to be manually held by hand for welding operation.

An antenna module according to an embodiment comprises: a first layer which is arranged on the front surface of a dielectric substrate, and which is composed of a radiator region having a metal mesh grid, and a dummy region having a dummy mesh grid formed of a plurality of patterns; and a second layer which is arranged on the rear surface of the dielectric substrate and which allows the metal mesh grid to operate as a ground. The plurality of patterns can form a first metal line to a fourth metal line, the first metal line and the third metal line can be parallel to each other, the second metal line can connect the first metal line to the third metal line, and the fourth metal line can be connected to a second end portion of the third metal line.

To provide a masking material capable of stably depositing a metal film on a surface of a substrate using the surface of the substrate as a cathode.SOLUTION: A masking material 60 is for depositing, by electrolytic plating, a metal film F of a prescribed pattern P on a surface of a substrate B with a metal layer Ba formed. The masking material 60 includes: a mask part 65 having a penetration part 68 in accordance with a predetermined pattern P; and a metal mesh 67 being a conductive member to have contact with the metal layer Ba. The mask part 65 includes an elastic material. The mask part 65 includes a metal mesh 67 embedded therein so as to expose a part of the metal mesh 67 from a contact face 65a to have contact with the metal layer Ba in a surface of the mask part 65.SELECTED DRAWING: Figure 5

The invention discloses a mesh antenna metal net zero-constraint splicing method. A metal net is tiled and hung on a working tension applying device, and working tension is applied to the metal net in the transverse direction and the longitudinal direction; in the working tension state, tension control belts are sewn on the edges of the two sides of the metal net in the length direction; lapping two metal nets which need to be spliced and are sewn with the same tension control belts, wherein the sections of the lapping positions are lapped according to the sequence of belt-net-net-belt; sewing two layers of metal nets along the two sides of the tension control belt by adopting composite material sewing lines; and repeating the steps, and sewing all the metal meshes required by the whole antenna reflecting surface in sequence. According to the method, the metal net is spliced by adopting an overlock stitching method, the tension control belt can be detached after splicing is completed, the formed splicing seam is of a net-net structure, the thickness is only 0.07-0.08 mm, the elasticity keeps the original elasticity of the metal net, the net surface tension is more uniform, and the risk that the antenna expansion resistance is increased due to micro shrinkage of the tension control belt at high temperature is effectively eliminated.

The invention relates to a light UHPC-based logistics tray and a preparation method thereof, and belongs to the technical field of logistics trays. The logistics tray comprises a light UHPC base body and a metal net. The light UHPC matrix is prepared from the following raw materials in parts by mass: 885 to 930 parts of ordinary Portland cement, 45 to 50 parts of solid waste-based sulfur aluminum iron series low-carbon cementing material, 380 to 570 parts of solid waste-based artificial sand, 0 to 150 parts of filler, 15 to 20 parts of fiber, 2 to 4 parts of HPMC, 20 to 49 parts of water reducing agent and 180 to 210 parts of water. The lightweight UHPC matrix adopts a composite cementing material, and the composite cementing material contained in the raw materials for preparing the added solid-waste-based artificial sand is similar to the cementing material of the lightweight UHPC matrix, so that a hydration product of the cementing material can be embedded into micropores in the solid-waste-based artificial sand; and the solid waste proportion in the solid waste-based artificial sand can reach 80% or above, so that the mechanical strength requirement of the logistics tray can still be met.

The invention discloses a fine nickel wire for the metal mesh weaving industry and a preparation method of the fine nickel wire. The fine nickel wire is prepared from, by mass, more than or equal to 99.5% of Ni, 0.03-0.04% of C, less than or equal to 0.01% of Cu, 0.05-0.12% of Mn, less than or equal to 0.03% of Si, less than or equal to 0.01% of Ti and the balance impurities. According to the method, the oxygen content of the melt is controlled by controlling the vacuum degree, and the material component selection is combined, so that the metal wire with few non-metal slag inclusion and small granularity is obtained, and the micro-fine wire can be processed to phi 0.03 mm, including but not limited to phi 0.03 mm, and also can be processed to phi 0.03 mm to phi 0.05 mm. The tensile strength sigma b of the prepared fine nickel wire is larger than or equal to 380 MPa, and the elongation delta is larger than or equal to 15%.

The application discloses a bottle-shaped sound-electricity conversion power generation device, which comprises a shell, a PVDF film, a metal net and a piezoelectric component.