14results about How to "Avoid overcrowding" patented technology

The invention relates to the technical field of automobile charging, in particular to a wireless charging control method based on a municipal system, and the method comprises the steps: obtaining vehicle electric quantity data and vehicle position data in a city, determining a corresponding to-be-charged vehicle, and calling real-time urban traffic flow data and charging station data; determining corresponding passing route data based on the vehicle position data corresponding to the vehicle needing to be charged, urban traffic flow data and the charging station data, and sending the passing route data to a user of the vehicle needing to be charged; and after the to-be-charged vehicle arrives at the designated charging area of the charging station, charging the to-be-charged vehicle based on the vehicle charging data port on the basis of receiving vehicle charging data sent by a user. The charging resource scheduling method and device solve the problem that the charging resource scheduling efficiency is not high in the prior art.

The application discloses an extrusion device, a 3D printer and a method for using the extrusion device. The extrusion device can include a housing, a material channel, a discharge port in communication with the material channel, a push port in communication with the material channel, and a plurality of feeding ports in communication with the material channel. Along the length direction of the material channel, the discharge port is located at one end of the material channel, the push port is located at the other end of the material channel, and each feeding port is located between the discharge port and the push port. The extrusion assembly is slidably connected with the housing, so as to be capable of moving in the material channel from the side where the push port is located towards the discharge port, thereby pushing the material in the material channel out of the discharge port and blocking each feeding port. This design solves the problem of mixing of two materials when switching materials.

The utility model discloses a combined plant oil countercurrent extraction device, including the pre -immersion dredging residue device of series connection in proper order, multistage scraper pre -immersion machine and sieve plate type extractor, each scraper pre -immersion machine is obliquely arranged, and the middle baffle is fixed below upper chain, and the downlink section and the uplink section form the countercurrent channel of material and solvent, the sieve plate type extractor has upper and lower sieve plate and multistage oil bucket, and each level forms the cycle of spraying - collection - re - spraying, and dry material slide pipe enters first - class scraper pre -immersion machine through feed temporary storage box, feed rotary valve, and fresh solvent enters the last stage spraying of sieve plate type extractor, and the last stage oil bucket outlet of extractor is connected with the solvent inlet of last - class scraper pre -immersion machine through mixed liquid extraction pump, and the solvent outlet of pre -immersion dredging residue device is connected with the inlet of mixed liquid temporary storage tank, and the bottom outlet of mixed liquid temporary storage tank is connected with evaporation unit through evaporation feed pump. The device can improve the penetration and diffusion condition, reduce residual oil and improve the extraction efficiency.

The present application belongs to the field of agricultural engineering and particle discrete element modeling technology, and particularly discloses a wheat chaff multi-sphere discrete element model construction method based on parameterized surface. The method comprises the following steps: S1: performing macroscopic size measurement on chaff samples of multiple wheat varieties; S2: establishing a parameterized surface expression form according to geometric rules; S3: substituting corresponding scale parameters and surface morphology parameters into the parameterized surface expression form; S4: obtaining a candidate multi-sphere geometric model corresponding to candidate constituent sphere diameters; S5: determining a target multi-sphere geometric model; S6: obtaining discrete element contact mechanics parameters of the wheat chaff; and S7: importing the target multi-sphere geometric model and the discrete element contact mechanics parameters into a discrete element software to obtain a wheat chaff multi-sphere discrete element model. The present application determines sphere center coordinates through a parameterized surface, can reduce the influence of empirical ball arrangement on model results, and can reduce the number of constituent spheres under the condition of meeting the requirements of shape and inertia error.

The invention discloses a silver-based intelligent fabric with efficient antibacterial, self-cleaning and advanced electromagnetic shielding functions and a preparation method thereof. The preparation method comprises the following steps: firstly, combining polyester, nylon and aramid fiber by using a blending process to obtain a blended fabric, then pretreating the fabric by using an alkaline substance and triethanolamine acetate quaternary ammonium salt, then reducing silver ions by using sodium citrate to obtain nano-silver particles, and finally combining the blended fabric with the nano-silver particles to obtain the silver-based intelligent fabric. Polyester, nylon and aramid fiber are used as raw materials of the blended fabric, the advantages of high strength, softness, good environment resistance, low cost and the like of the polyester, the nylon and the aramid fiber are combined, the excellent antibacterial property and electromagnetic shielding performance of silver are combined, and nano-silver particles are loaded on the surface of the fabric by adopting an impregnation method; the multifunctional fabric integrating efficient antibiosis, self-cleaning and electromagnetic shielding is obtained, the shielding performance of the multifunctional fabric can reach-60 dB or above, and the self-cleaning performance and the antibiosis performance can reach 96% or above.

This invention belongs to the field of peroxide production technology, specifically relating to a continuous production apparatus and method for lauroyl peroxide. The continuous production apparatus for lauroyl peroxide includes a primary reactor, to which a secondary reactor, a tertiary reactor, and a filter tank are sequentially connected. Each of the primary, secondary, and tertiary reactors is equipped with a stirrer, with a spiral plate threaded onto its upper part. A motor is connected to the top of the stirrer. A conveyor belt is installed inside the filter tank, and a mother liquor outlet is located in the center of the bottom plate. The bottom plates on both sides of the mother liquor outlet are inclined. A primary washing tank, a secondary washing tank, and a tertiary washing tank are sequentially connected to the filter tank. Each of the primary, secondary, and tertiary washing tanks is equipped with a filter screen and a sprayer. This invention employs a multi-reactor series continuous production process, resulting in higher production efficiency and more stable operation.

This invention belongs to the field of communication technology and discloses a federated learning method based on partial client participation and power constraints. The method includes: employing biased client selection, setting client addressability and continuously reporting to a central server, allowing the central server to understand the state of each client during iteration; and allocating power across communication time slots by adding a total power constraint, enabling devices to transmit their local updates to the server. This invention addresses the problems of existing technologies by reducing communication costs while maintaining model convergence performance. The proposed design can mitigate the negative impacts caused by imperfect channel conditions. Convergence of the learning process is slowed by power control, while biased client selection accelerates convergence, balancing model aggregation. This invention can guarantee fast convergence under harsh wireless conditions with low signal-to-noise ratios, and is cost-effective in terms of time and energy savings in wireless FL systems.

The present invention relates to a high-reliability glass bead composite diode and a preparation method thereof, and belongs to the field of semiconductor technology. The present invention provides a high-reliability glass bead composite diode, including a crystal grain, a welding piece is provided on each side of the crystal grain, a lead is provided on the side of the welding piece away from the crystal grain, a molybdenum grain is also provided between the crystal grain and the welding piece, the crystal grain includes a metal cathode, an N+ substrate, an N region, a P region, a P+ region, an insulating dielectric layer, a Schottky region and a metal anode, and uses boron expansion pre-deposition, boron diffusion, platinum diffusion, sand blowing, photolithography, ion implantation, metal alloying, welding, sintering and other processes; the high-reliability glass bead composite diode provided by the present invention adopts superposition composite technology, and the fast recovery diode contains a Schottky diode, which has ultra-fast and ultra-soft recovery characteristics while also having low forward conduction loss and high reverse breakdown voltage. At the same time, the structure provided by the present invention also effectively solves the problem that the Schottky diode cannot be welded at high temperature.

The invention relates to the field of swimming products, in particular to a swimming cap containing an organic silicon waterproof coating and a preparation method of the swimming cap. A swimming cap containing an organic silicon waterproof coating structurally comprises a substrate layer, a colloid layer located on the surface of the substrate layer and the organic silicon waterproof coating located on the surface of the colloid layer. The organic silicon waterproof coating is prepared from the following raw materials in parts by mass: 100 to 120 parts of organopolysiloxane I I, 10 to 20 parts of hydrogenated polysiloxane I I, 20 to 35 parts of modified resin I I, 0.5 to 3 parts of a cross-linking agent, 0.5 to 2 parts of a catalyst, 20 to 30 parts of modified filler, 5 to 10 parts of a surfactant, 10 to 15 parts of an auxiliary agent and 4 to 8 parts of a color filling agent. According to the present invention, the prepared swimming cap has characteristics of excellent mechanical property, good water resistance, good static electricity resistance and good dirt resistance, the use quality of the existing swimming cap is substantially improved, the service life of the existing swimming cap is substantially prolonged, and the excellent market and application prospects are provided.

The utility model relates to the technical field of wire harness sheaths, in particular to a compression-resistant automobile wire harness sheath with an inner support assembly, which is reasonable in structural design, an inner support joint and an inner support spring jointly form the inner support assembly, and the inner support spring can improve the compression strength of a corrugated pipe type sheath body, so that the service life of the corrugated pipe type sheath body can be prolonged, and the service life of the corrugated pipe type sheath body can be prolonged. The inner supporting connector is composed of a connector base, a wire penetrating disc and a locking screw rod, a lug of the wire penetrating disc is clamped into an annular rotating groove through a heat dissipation lug groove and then rotates by 90 degrees, the positions of the wire penetrating disc and the connector base can be locked through the locking screw rod, when a plurality of automobile wire harnesses are arranged in a penetrating mode through the wire penetrating disc, the arrangement of the wire harnesses can be tidied, the situation that the wire harnesses are disordered and crowded is avoided, and the service life of the wire harnesses is prolonged. The heat dissipation lug grooves are communicated with the inner cavity of the corrugated pipe type sheath body after the lugs rotate and are staggered, heat dissipation is facilitated, the heat dissipation effect can be further improved by matching with an external ventilation system, and safe operation of a line is guaranteed.

The application relates to the technical field of civil engineering bridge structure optimization, in particular to a steel pipe concrete arch rib parameter design method and system based on multi-objective optimization. The method comprises the following steps: based on preliminary design data of a steel pipe concrete bridge obtained in advance, a plurality of optimization variables and a plurality of objective functions are determined; according to the value range of the optimization variables, a chaotic mapping is used to generate an initial population with uniform distribution; the initial population is divided into regions by using the objective functions, and the number of individuals in each sub-region is obtained based on the results of the region division; and based on the number of individuals in each sub-region, a multi-objective optimization algorithm is used for iteration to obtain the optimization parameters of the steel pipe concrete arch rib. The method solves the problems that the steel pipe concrete arch rib parameters are inefficient and the optimization results are not accurate in the prior art, and the efficiency and accuracy of the steel pipe concrete arch rib parameter design are greatly improved by improving the multi-objective optimization algorithm, using scientific space division and an efficient search strategy.

The invention discloses a throwing-type throwing device for freshwater fish culture, and relates to the technical field of fish culture, the throwing-type throwing device comprises a culture block, the upper surface of the culture block is also provided with a protective barrier, the upper surface of the culture block is also provided with a throwing mechanism, the throwing mechanism comprises a batch feeder, and the surface of one side of the batch feeder is fixedly connected with a feeding box and a conveying mechanism; the material conveying mechanism comprises an electric telescopic rod, a center wedge block is arranged on the upper surface of the electric telescopic rod, the material distributing mechanism is composed of a guiding assembly and a shaking assembly, the guiding assembly comprises a material gathering rod and a material dispersing rod, the material gathering rod and the material dispersing rod are located on the upper surfaces of the two sides of the protective barrier correspondingly, and the shaking assembly comprises two rotating seats; according to the scheme, by arranging the material conveying mechanism, the material distributing mechanism and the throwing mechanism, the distribution position of feed can be adjusted in an auxiliary mode according to the characteristics of the fed feed in the using process, and the feeding efficiency of fishes is improved.

The invention provides a metal cluster containing bound positive and negative ion pairs, a preparation method of the metal cluster, a high-dispersion metal catalyst and a preparation method and application of the high-dispersion metal catalyst. The preparation method of the metal cluster containing bound positive and negative ion pairs comprises the following steps: dissolving a metal compound in a mixed solution containing water, alcohols and a ligand, and mixing to obtain a metal precursor solution; and sequentially adding a protective agent and a reducing agent into the metal precursor solution, and mixing to obtain a solution of metal clusters containing bound positive and negative ion pairs. The high-dispersion metal catalyst provided by the invention can be directly prepared by dipping carrier particles into a metal cluster solution protected by bound positive and negative ion pairs; by dynamically loading bound positive and negative ion pairs on the metal surface, excessive metal aggregation in the catalyst preparation process can be prevented, so that the effect of controlling the metal dispersity is achieved, and the technical route of implementing bound positive and negative ion pair protection and cluster soft landing on metal clusters is realized.

The invention discloses a feed feeding device for prawn culture, and belongs to the field of culture equipment.The feed feeding device for prawn culture comprises a feeding assembly used for feeding prawn culture feed; the floating assembly is arranged on the outer side of the feeding assembly, and the floating assembly is used for providing buoyancy support for the feeding assembly; the control assembly is arranged on the surface of the outer wall of the feeding assembly, the control assembly is used for controlling the feeding assembly and the floating assembly to operate, the feeding assembly comprises a material storage part arranged in the middle of an inner cavity of the floating assembly, and an n-shaped frame is arranged on the surface of the top of the material storage part; and a positioning pipe is inserted into the middle position of the top surface of the n-shaped frame. The prawn breeding pond can quantitatively and uniformly feed prawns in the breeding pond, so that excessive gathering of the prawns during feeding can be prevented, and the growth rate of the prawns and the safety of water quality are guaranteed.