29results about How to "Improve fill rate" patented technology

This application relates to an integrated MEMS two-dimensional scanning detection system, a capacitance angle measurement method, and an apparatus. The integrated MEMS two-dimensional scanning detection system includes: a laser detection component and a magnetic circuit component disposed below the laser detection component. The laser detection component is an integral structure formed by connecting a scanning lens to a riveting area via a Y-shaped two-dimensional rotation axis. The magnetic circuit component is a hollow structure enclosed by two types of magnetic circuit modules, which are used to generate magnetic fields in different directional dimensions. The riveting area of ​​the laser detection component is connected to the magnetic circuit modules in the magnetic circuit component. The scanning lens is located in the cavity enclosed by multiple magnetic circuit modules, and under the drive of magnetic fields in different directional dimensions, the Y-shaped two-dimensional rotation axis drives the scanning lens to rotate in the corresponding directional dimension within the cavity. This integrated MEMS two-dimensional scanning detection system can reduce the overall size of the electromagnetic scanning mirror.

A belt retainer roller has a plurality of rollers and a retainer (2) that retains the rollers. The retainer (2) includes a pair of annular members (4) facing both axial ends of each roller, and a plurality of column portions (5) that are disposed at equal intervals in the circumferential direction across the outer diameter portions of the pair of annular members (4) for the rollers to be fitted into. An inner diameter portion of each annular member (4) is provided with a roller retaining claw (6) for preventing the rollers from falling toward the inner diameter side of the retainer. A retainer radial chamfer length (B) and a retainer wall thickness (A) satisfy the following relationship: 0 < B / A ≤ 1.6.

The utility model relates to a reinforcing tire base soaking and compacting device, and belongs to the technical field of tire base processing, the reinforcing tire base soaking and compacting device comprises an oil immersion pool, an unwinding roller is erected on the oil immersion pool, a first compacting assembly is arranged in the oil immersion pool, and the first compacting assembly comprises a first lower pressing roller and a first fixing roller; the first fixed roller is rotationally arranged relative to the oil immersion pool, the center line of the rotating shaft coincides with the center line of the first fixed roller, and the first lower pressing roller is arranged on the oil immersion pool in a sliding mode and slides in the direction close to or away from the first fixed roller; a vibration assembly for vibration of the tire base is arranged above the oil immersion pool; and a guide roller is further arranged in the oil immersion pool and located on the side, away from the first compaction assembly, of the vibration assembly, and the effect of improving the filling rate of gaps between fibers in the tire base in the oil immersion procedure is achieved.

This invention discloses a method for preparing a low-loss ultrathin PTFE microwave dielectric substrate. The method includes the following steps: 1. Preparation of PTFE composite adhesive; 2. Impregnation with glass fiber cloth; 3. Lamination of sheet substrates. The PTFE microwave dielectric substrate prepared by this method has fine filler particles and a high filling rate, improving the uniformity of the ultrathin substrate thickness and dielectric constant. The substrate thickness is 0.065mm ± 0.008mm, and the dielectric constant at 10GHz is 2.95 ± 0.03. It also reduces the loss factor at high frequencies, with a loss factor ≤ 0.0011 at 10GHz. The preparation process is simple, easy to scale up for continuous production, and the microwave substrate exhibits excellent performance, meeting the stringent performance requirements of multilayer circuit boards in high-frequency communication applications.

This invention discloses a method for preparing high-entropy ceramic matrix composites using a reactive infiltration process, belonging to the technical field of ceramic matrix composites. The steps are as follows: at least four single-component carbides are ball-milled and mixed with a carbon source, then dispersed in a dispersion liquid to obtain a slurry; continuous fibers are woven into a preform, and an interface layer and a matrix layer are deposited to obtain a semi-dense composite material; the slurry is introduced through vacuum or pressure impregnation; and a high-entropy carbide matrix is ​​generated in situ and densified by reactive infiltration after embedding with a transition metal and its alloy. This invention solves the problems of long process cycles, high porosity, high cost, and insufficient introduction of high-entropy ceramics in existing processes, achieving rapid densification and improving the material's high-temperature stability, oxidation resistance, and ablation resistance. It is suitable for the large-scale production of thermal protection materials for hypersonic vehicles.

The invention relates to a method for improving the dustpan filling rate of a bucket elevator. The method comprises the steps that dustpan filling images and equipment data are obtained in real time through a sensor network; transmitting the data to an edge AI calculation unit, performing millisecond-level reasoning by using a lightweight convolutional neural network model, estimating a filling rate in real time and identifying a material type; based on a reasoning result, dynamically and cooperatively adjusting operation parameters, including changing the geometric volume of the deformable intelligent winnowing pan through a micro driving mechanism, adjusting the speed of the elevator and controlling a feeding auxiliary device, and continuously optimizing decision logic of the system by a digital twin model, according to the model, an optimization strategy set is generated in advance through discrete element simulation and a Bayesian optimization algorithm, and the system has a maintenance function of predicting performance degradation by analyzing current and vibration data and can cooperate with upstream and downstream equipment to realize global energy efficiency optimization; according to the scheme, the problem that the filling rate of a traditional elevator is unstable due to variable materials and fixed bucket types is solved, and self-adaptive precise control is achieved.

The embodiment of the present application provides a solid buoyancy material and a preparation method and application thereof. The solid buoyancy material comprises an epoxy resin matrix and light fillers dispersed in the epoxy resin matrix; the light fillers comprise hollow glass microbeads A, hollow glass microbeads B and elastic organic expanded beads, and the particle size of the hollow glass microbeads A is greater than that of the hollow glass microbeads B. The solid buoyancy material has excellent waterproof property while having a relatively low density.

The application discloses a novel biogas slurry membrane filtration device based on silicon carbide membranes, comprising: a silicon carbide membrane assembly, which is composed of four groups of membrane groups in parallel connection, and two ends of each group of membrane groups are connected with a shunt pipe and a collection pipe; each group of membrane groups comprises four silicon carbide tubular membrane tubes, and the four silicon carbide tubular membrane tubes are connected in series, each silicon carbide tubular membrane tube is provided with a plurality of large through-hole structures along the axial direction thereof, the diameter of the large through-hole structure is 8 mm, and the pore size of the membrane tube is 150 nm; and a cleaning assembly connected with the silicon carbide membrane assembly and used for cleaning the silicon carbide membrane assembly according to a preset mode. The application has stronger anti-clogging performance, is suitable for anaerobic biogas slurry treatment with high solid content and more organic fiber components, effectively alleviates the problems of scaling and fiber winding and clogging, and solves the problem of membrane strength through the thickening design of the membrane tube spacing.

This invention discloses a zirconium alloy cladding composite protective coating and its preparation method, comprising a first Mo layer, a second Mo layer, and a Cr layer arranged sequentially from bottom to top. The thickness ratio of the Cr layer to the second Mo layer is (3-7):1, and the thickness ratio of the first Mo layer to the second Mo layer is (2-5):1. The morphology of the first Mo layer is nanocrystalline, and the morphology of the second Mo layer is columnar crystal. Compared with the prior art, the zirconium alloy cladding composite protective coating provided by this invention has a three-layer structure. The first Mo layer enhances the coating density, the second Mo layer is responsible for achieving strong bonding with the Cr coating, the Cr coating is responsible for achieving resistance to high-temperature water vapor corrosion and reducing the oxidation weight gain of the zirconium alloy, the first Mo layer can provide more nucleation sites, promote dense deposition of the coating, and FCC is a tightly packed lattice with a higher filling rate than BCC, resulting in better corrosion resistance.

The application relates to a preparation method of a graphene composite phase change thermal interface material. An oxidized graphene dispersion liquid is provided, a centrifugal roller coating and a layer-by-layer drying process are adopted to form a multilayer oxidized graphene unit layer on a substrate, and an oxidized graphene film is obtained; the oxidized graphene film is placed in a limited space, gradient heat reduction treatment is carried out, the film is controllably expanded in the out-of-plane direction, and a reduced graphene oxide film with a micro-nano cavity structure is formed; the reduced graphene oxide film is subjected to graphitization treatment, and a graphene micro-nano cavity film is obtained; through a vacuum impregnation method, a molten phase change material is filled into the micro-nano cavity structure of the graphene micro-nano cavity film. The thermal interface material has high phase change enthalpy (196.2 J / g), excellent thermal performance (in-plane thermal conductivity 65.5 W.m ‑1 ·K ‑1 , out-of-plane 21.9 W.m ‑1 ·K ‑1 , and low interface thermal resistance (0.575 K.cm 2 ·W ‑1 ).

This application provides a method for dripping varnish onto a motor winding, comprising: placing the motor winding in a dripping process box; and dripping varnish onto the motor winding during a first time period t1, wherein the dripping is performed under negative pressure, or sequentially under negative pressure and positive pressure; during negative pressure dripping, the pressure inside the dripping process box is a negative pressure P1, which is less than 0.101 MPa; during positive pressure dripping, the pressure inside the dripping process box is a positive pressure P2, which is greater than or equal to 0.101 MPa. The negative pressure dripping step facilitates varnish penetration and reduces voids, while the positive pressure dripping further reduces varnish overflow and improves the filling rate.

This invention relates to the field of 3D layout technology, specifically to a center cube layout method based on an intelligent heuristic algorithm, comprising the following steps: S1, determining the size parameters of the space to be laid out, the number of objects to be laid out, and the size parameters of each object to be laid out, setting layout constraints and preset goals; S2, constructing a mathematical model of the center cube layout problem, defining the layout state, envelope box, center cube, available space, and envelope box fill rate; S3, designing an intelligent heuristic algorithm, which is designed according to the available space calculation strategy, the available space cube selection strategy, and the object placement strategy; S4, based on the intelligent heuristic algorithm designed in S3, combined with the parameters of S1 and the mathematical model of S2, solving the center cube layout, outputting a layout scheme that satisfies the layout constraints and preset goals, thereby improving the engineering feasibility of the layout scheme.

The utility model relates to the technical field of high-temperature calcination of powder, and discloses an indirect heating type high-temperature atmosphere shaft furnace, which comprises a feeding device, a heating device and a heating device, the pushing device is connected with the feeding device and used for pushing the materials to the material storage pipe body; the material storage pipe body is a vertical cylindrical container and is internally used for accommodating and conveying materials; the heating rods are distributed in the axial direction of the material storage pipe body and used for providing a high-temperature heat source. And the heating rods are axially distributed along the material storage pipe body, so that the heating efficiency is improved, the materials are uniformly and efficiently heated, and the energy utilization efficiency is remarkably improved. Due to the arrangement of heat preservation cotton and a heat insulation layer, heat loss is effectively reduced, the temperature in the furnace is more stable, and the calcination efficiency is further improved. Meanwhile, different temperature intervals can be formed in the furnace due to the design of the thermal insulation layer, so that the requirements of different materials on temperature are met, and the applicability of the equipment is enhanced.

This invention relates to the field of robot control technology and discloses a method for dynamically adjusting the swing width of an all-position MAG welding robot. This method acquires welding signals and bevel images using an arc sensor and a vision sensor, extracts the geometric features of the bevel, and calculates the bevel filling coefficient. Identify the current welding position type; establish a multi-factor coupling model for swing width. The invention calculates the target swing width using a gain scheduling algorithm and achieves real-time correction using closed-loop control. It can precisely control the swing width based on the bevel depth-to-width ratio and welding position differences, solving the problems of insufficient filling in deep and narrow bevels and unstable welding quality at different positions, significantly improving the forming quality and consistency of all-position welding.

The invention relates to the technical field of satellite navigation detection, in particular to a power transmission line observation environment error calibration method, system and device and a medium, and the method comprises the steps: collecting the original monitoring data of each satellite navigation system for a power transmission line; calculating an ionosphere-free combined residual error according to the original monitoring data of each satellite navigation system; establishing a target grid according to the position of the observation station antenna and the satellite observation angle, projecting the ionosphere-free combination residual error to the target grid according to the satellite observation angle of the observation station antenna, and establishing an ionosphere-free combination model according to a projection result; and calibrating the observation environment error of the power transmission line by using the ionosphere-free combination model. Therefore, the problems of limited applicability, insufficient representation capability of observation environment errors, relatively low error modeling accuracy and the like during processing of multi-system observation data in related technologies are solved.

The application discloses a manufacturing method of a lithium ion battery, which comprises the following steps: providing an electric core, wherein the electric core comprises a positive electrode lug and a negative electrode lug; directly connecting a positive electrode terminal with the positive electrode lug to form a positive electrode part and directly connecting a negative electrode terminal with the negative electrode lug to form a negative electrode part, so that a connecting piece is saved; installing a first insulating piece, wherein the positive electrode part and the negative electrode part penetrate a first opening of the first insulating piece; installing a cover plate, wherein the positive electrode part and the negative electrode part penetrate a second opening of the cover plate; fixing the positive electrode part and the negative electrode part to prevent the positive electrode part and the negative electrode part from moving in a horizontal direction; pouring sealing material to package the second opening; adjusting the height of the positive electrode part and the negative electrode part before the sealing material solidifies; and solidifying the sealing material to form a second insulating piece, so that the application can simplify a structure assembly process, improve assembly consistency and improve the internal filling rate of the lithium ion battery.

The invention discloses a two-component nano acrylate modified concrete grouting material and a preparation method thereof. The grouting material is prepared by mixing a component A and a component B according to a volume ratio of 1: 1, the preparation method comprises the steps of key component pretreatment, A / B component preparation and mixing: firstly, performing special pretreatment on the nano modified filler, the pH response microcapsule and the liquid metal coating steel fiber suspension; the component A is prepared by basic liquid preparation, nano dispersion, silicon precursor compounding, pH adjustment and curing; the component B is prepared by dissolving an initiator, adding a catalyst / stabilizer, mixing functional components and adjusting the pH value; the grouting setting time is controlled to be 30s-60min by regulating and controlling the dosage of the component A, namely 1.0-3.0 parts of the accelerant and 0.8-2.5 parts of the component B, namely 0.8-2.5 parts of the initiator; the 28d compressive strength of the grouting material is larger than or equal to 80 MPa, the 7d repair rate of 0.3 mm cracks is larger than or equal to 85%, and the grouting material has excellent mechanical, self-repairing and construction performance and is suitable for repairing concrete structures in heavy-load and severe environments.

This application provides a common-mode inductor, a switching power supply, an inverter, and communication equipment. The common-mode inductor includes a U-shaped magnetic core, an enameled flat copper wire winding, and a fixing structure. The enameled flat copper wire winding is wound vertically on the U-shaped magnetic core. This vertical winding method allows the enameled flat copper wire to be wound perpendicular to the plane of the U-shaped magnetic core. This winding method can improve the filling rate of the winding, reduce the space occupied by the winding, and also help reduce eddy current losses and proximity effects at high frequencies, thus improving the high-frequency performance of the inductor. The enameled flat copper wire has good conductivity and insulation properties, which can meet the operating requirements of the inductor under high current and high voltage environments. The fixing structure is used to fix the U-shaped magnetic core and the enameled flat copper wire winding, ensuring the stability of the winding's position on the U-shaped magnetic core and preventing loosening or displacement of the winding during inductor operation, thereby ensuring the electrical performance and mechanical stability of the inductor.

The utility model discloses a kind of photolithography dense array microlens fusion soft light myopia prevention lens, it includes lens main body, the lens main body inside is equipped with functional area, the functional area includes inside and is equipped with central optical correction area and photolithography supermicro multifunctional structure area, the photolithography supermicro multifunctional structure area is located central optical correction area outside setting, the photolithography supermicro multifunctional structure area outside is equipped with annular blank area, the photolithography supermicro multifunctional structure area includes inside annular microstructure area, middle arrangement spoke-like microstructure area and outside dense array microstructure array area, in the gap of photolithography supermicro lens, through nanometer grade photolithography process production dot matrix soft light structure area.The utility model has the advantages compared with prior art in that: 1, reduce the significant attenuation that appears with time elapsing to prevention and control effect;2, almost no outstanding comfort;3, multiple mechanism synergy, prevention and control effect maximization.

This invention discloses a hollow metal tube filled with phase change cooling material for heated non-combustible cigarettes, and the heated non-combustible cigarette itself. The heating non-combustible cigarette includes a hollow metal tube and a phase change cooling material. The phase change cooling material is filled and sealed inside the hollow metal tube. The hollow metal tube filled with the phase change cooling material is placed inside the heated non-combustible cigarette in at least one of the following ways: winding, folding, gathering, or bending, to form a cooling unit. The cooling unit has a longitudinally extending smoke channel; the longitudinal direction of the cooling unit has a porosity of 40%-90%. The hollow metal tube filled with phase change cooling material cooling unit of this invention has the advantages of high latent heat of phase change, low thermal hysteresis effect, high heat absorption efficiency, apparent stability without collapse, and no leakage.

The present application relates to the technical field of industrial equipment heat preservation and heating, and particularly relates to a composite heat preservation and heating system for the surface of industrial equipment. The system comprises a carbon fiber heating layer, an intermediate heat preservation layer and a carbon fiber protection layer; the intermediate heat preservation layer is aerogel composite felt cloth, hydroxyl groups are introduced on the surface of glass fiber through plasma surface activation treatment, so that the aerogel and the fiber are chemically bonded through Si-O-Si covalent bond; vacuum assisted impregnation method is used to uniformly fill silica sol inside the fiber felt, and the nano-porous structure is reserved after supercritical CO2 drying. The present application realizes the heat preservation performance of low thermal conductivity at low density, overcomes the defects of weak interface bonding of the existing aerogel, difficult to balance density and thermal conductivity, insufficient flexibility and connection reliability of metal resistance wire, and improves the whole life cycle heat preservation reliability of industrial pipelines and other equipment in severe cold environment.

The invention relates to the technical field of rotating target materials, in particular to a centrifugal binding method of a large-size ITO rotating target material, which comprises the following steps: step 1, pretreatment of a contact surface: degreasing and cleaning the inner wall of the ITO target material and the outer surface of a metal back tube, and then respectively sputtering nickel or copper for metallization treatment, with the thickness of a sputtering layer being 0.5-2 microns; step 2, assembling and positioning: coaxially assembling to form a 0.1-0.3 mm uniform binding gap, and mounting a sealing check ring; 3, centrifugal binding is conducted, specifically, rotation is conducted at the rotating speed of 800-1500 r / min, high-purity indium solder at the temperature of 180-200 DEG C is injected, and inert gas protection is conducted; and 4, cooling molding: cooling to room temperature at 5-10 DEG C / min. Uniform filling of the welding flux is achieved through centrifugal force, the binding rate reaches 99% or above, the binding strength is larger than or equal to 25 MPa, the problems that a large-size target material is large in binding defect number and low in strength are effectively solved, and the method is suitable for industrial production.

The utility model relates to the technical field of batteries, and particularly discloses a battery shell, a battery and a battery pack. The battery shell comprises a shell body and a blue film, the blue film wraps the outer side wall of the shell body, the outer side wall of the shell body is provided with a plurality of shell planes, every two shell planes are connected through a transition curved surface, one of all the transition curved surfaces is defined as a corner curved surface, and the other transition curved surface is defined as a corner curved surface. The head end of the blue film and the tail end of the blue film are partially overlapped to form an overlapping part, and the overlapping part is arranged on the corner curved surface and does not exceed the adjacent shell plane. According to the battery shell, the overlapping part is limited to the curved surface of the corner, so that the energy density of the battery is improved, the reliability of blue film coating is enhanced, the production yield is improved, the film coating process is simplified, and the blue film coating structure and mode of the battery shell are improved.

The invention discloses a self-tapping anchor bolt wood-concrete composite beam anti-shear joint and a construction method thereof, and relates to the technical field of constructional engineering.The joint comprises a concrete plate, laminated wood, a perforated T-shaped steel plate and a self-tapping anchor bolt, the concrete plate and the laminated wood are each provided with a groove, and a flange and a web of the perforated T-shaped steel plate are embedded into the grooves correspondingly; the flanges are detachably connected with the concrete slab through self-tapping anchor bolts, and the web is bonded with the laminated wood through intrinsic flame-retardant structural adhesive; the web plate is provided with a hourglass-shaped reducing through structure hole and a spiral flow guide groove, and the glue solution is filled in the hole to form a mechanical interlocking structure. During construction, assembly is completed through the steps of groove treatment, steel plate connection, glue solution preparation and glue injection, curing and the like, full-assembly dry-type connection is achieved, the construction efficiency is improved, the problem that the glue injection quality of a traditional joint is difficult to control is solved, excellent shear resistance, pulling resistance and fireproof performance are achieved, reinforcement of a newly-built structure and an existing structure is adapted, and the application prospect is wide.

Provided are: an electricity storage device (10) capable of suppressing increases in the mass and volume of the electricity storage device and of reducing the growth of dendrites; and a method for manufacturing the electricity storage device (10). This electricity storage device is provided with a positive electrode (11), a negative electrode (15), and a separator (14) that separates the positive electrode from the negative electrode, and the negative electrode contains, in the order toward the positive electrode: an active material layer (17) that contains an active material that reduces carrier ions; an electrolyte layer (18) that is in contact with the active material layer and contains an electrolyte solution and a conductive solid electrolyte having carrier ions; and a conductive layer (19) that has electron conductivity, is in contact with the electrolyte layer, and captures an element deposited at the interface between the active material layer and the electrolyte layer.

The application discloses a dynamic electric connection mechanism, an electroplating device and a method. The dynamic electric connection mechanism comprises a fixed base assembly, a moving slide assembly driven by a cam driving assembly to move linearly back and forth, and a dynamic conductive path composed of conductive slides, the conductive slides keep sliding contact with static power supply terminals on the fixed base assembly in the whole moving process, thereby establishing a continuous and stable electric connection between the moving component and the power supply. The moving slide assembly is provided with the conductive slides on opposite sides respectively, forming parallel redundant current paths, which greatly improve the reliability and fault tolerance of the connection. The mechanism is applied to the electroplating device, drives the carrier hanger serving as a cathode to move back and forth and synchronously supplies power, and in combination with symmetrical spraying, can effectively remove bubbles in the holes of workpieces, ensure uniform current distribution, and significantly improve the uniformity and quality of the plating layer of semiconductor TGV deep hole electroplating.

The invention provides coal mine tunnel continuous gangue throwing and filling equipment which comprises a backfill machine, a feeding machine, a reversed loader and a movable machine tail, a telescopic mechanism, a lifting mechanism, a swing mechanism and a gangue throwing belt are arranged on the backfill machine, the telescopic mechanism drives the gangue throwing belt to stretch out and draw back front and back, the lifting mechanism drives the gangue throwing belt to change amplitude up and down, and the swing mechanism drives the gangue throwing belt to swing back and forth. The swing mechanism drives the waste rock throwing belt to swing horizontally; an auxiliary roof-contacting mechanism is arranged at the front end of the backfilling machine, a height-adjusting and deviation-adjusting mechanism and a supporting device are arranged on the rear side, a walking device is arranged on the lower side, and a push plate mechanism is arranged on the front side of the walking device. A four-machine linkage continuous filling system is created for the first time, and the problems of low efficiency and high safety risk in the prior art are thoroughly solved. Through integrated linkage of the backfilling machine, the feeding machine, the reversed loader and the movable machine tail, continuous conveying and filling of gangue are achieved, the equipment can achieve continuous stepping through the self-walking mechanism, and small-step intermittent backward movement is not needed.

The application discloses a kind of gas-driven reverse displacement piston type powder fuel supply device, it is related to the fuel supply technical field of powder fuel ramjet, including device main body, gas-permeable piston is slidably connected in device main body, gas-permeable piston will the inner cavity of device main body be divided into powder filling chamber and drive gas chamber, powder filling chamber is located in gas-permeable piston close to the bottom of device main body side, drive gas chamber is located in gas-permeable piston close to the top of device main body side, the top of device main body is equipped with air inlet and powder fuel outlet, the bottom of device main body is equipped with powder filling port, gas-permeable piston is equipped with multiple gas guide grooves, gas guide groove is used to blow gas in drive gas chamber to the inner wall around powder filling chamber, the side of gas-permeable piston in powder filling chamber is equipped with throttling device, throttling device is connected with powder fuel outlet by flexible pipe far from the end of powder filling chamber.This application can reduce the energy consumption in the process of powder fuel supply, and space utilization is high.