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57results about How to "Realize upgrading" patented technology

Automatic control system for large-sized cotton picking machine

The invention discloses an automatic control system for a large-sized cotton picking machine. The automatic control system comprises a vehicle-mounted electronic control unit (1) of the cotton picking machine and is characterized in that: the vehicle-mounted electronic control unit (1) is connected with an engine assembly signal acquisition module (2), a complete vehicle state switch signal acquisition module (3), a cotton picking head state signal acquisition module (4) and an automatic line aligning sensor signal acquisition module (5) respectively and is used for receiving data of the engine assembly signal acquisition module (2), the complete vehicle state switch signal acquisition module (3), the cotton picking head state signal acquisition module (4) and the automatic line aligning sensor signal acquisition module (5); and the vehicle-mounted electronic control unit (1) is connected with an instrument and meter display module (6), a complete vehicle state indicator light control module (7), a cotton picking head control module (8) and an automatic line aligning device control module (9) respectively and is used for sending control signals of the instrument and meter display module (6), the complete vehicle state indicator light control module (7), the cotton picking head control module (8) and the automatic line aligning device control module (9). In the invention, controller area network (CAN) transmission is realized by embedded equipment, and a general automatic control platform is provided for the cotton picking machine; and a field bus technology is applied to control of the cotton picking machine so as to complete digital transmission of system data and the data acquisition and control of all monitoring points of the cotton picking machine.
Owner:GUIYANG KING TECH SCI & TECH

Steel for disk blade, production method and disk blade treatment method

The invention provides steel for a disk blade, a production method and a disk blade treatment method. The steel includes chemical components of, by weight, 0.25% to 0.35% of C, 0.1% to 0.40% of Si, 1.0% to 1.5% of Mn, not larger than 0.5% of Cr, 0.01% to 0.05% of Al, 0.015% to 0.06% of Ti, 0.001% to 0.006% of B, not larger than 0.0070% N, not larger than 0.020% of P, not larger than 0.015% of S and the balance Fe and impurities, wherein the inequation 4<=(Ti+Al)/N<=20 is satisfied. Continuous casting and rolling is adopted, the cast blank furnace entry temperature is larger than 830 DEG C, the heating temperature ranges from 1100 DEG C to 1200 DEG C, and the temperature is kept for 1 h to 4 h; and the rough rolling and finish rolling temperature ranges from 920 DEG C to 980 DEG C. After finish rolling is finished, the steel is cooled to the temperature ranging from 550 DEG C to 650 DEG C at the cooling speed of 50-100 DEG C/s and then coiled, and the steel is covered with a hood and slowly cooled for over 48 h. The heating temperature of a disk blade blank ranges from 800 DEG C to 1000 DEG C and the temperature is kept for 15 min to 50 min. The pre-quenching temperature is larger than or equal to 830 DEG C, water quenching is performed for 1 min to 10 min, and the water temperature at which the steel is away from water is smaller than or equal to 200 DEG C. The tempering temperature ranges from 200 DEG C to 300 DEG C and the temperature is kept for 2 h to 6 h. The hardness of the disk blade is larger than 55 HRC, the ballistic work is larger than 25 J, abrasive resistance, toughness and plasticity are good, and the service life is longer than that of a 65 Mn steel disk blade.
Owner:ANGANG STEEL CO LTD

Multi-meter position electric energy metering device

InactiveCN101329368AReduce manufacturing costReduce metering equipment costsSpecial tariff metersModularityEngineering
The invention discloses a multi-epi position electric energy measuring device, comprising a box body and a module centralization-typed measuring device which is arranged inside the box body; the multi-epi position electric energy measuring device is characterized in that the module centralization-typed measuring device comprises a separation panel and at least two measuring modules; the separation panel is connected with a power supply; each output terminal of the separation panel is respectively connected directly with the input terminal of the power supply of each measuring module; each measuring module is provided with a signal output terminal and a power output terminal; the power input terminal and the power output terminal on the measuring module are metal conductive parts. All parts of the invention realize modularization, require no complex conductive wire connection, and shorten the volume to the utmost extent. The multi-epi position electric energy measuring device facilitates the product to unify the standard, and realizes large-scale production and standardized management, thus reducing the cost of the production enterprises and the cost of the power supply departments. The multi-epi position electric energy measuring device can realize the separate display of a single-measuring module and the centralized display and remote management of multi-measuring modules, realize the functions of displaying, measuring, pre-paying and querying, etc., can conveniently replace the modules so as to update, and realize the centralized and scientific management of the power supply.
Owner:HUBEI SHENGJIA ELECTRIC EQUIP +1

Polystyrene foamed plastic and preparation method thereof, and composite board prepared from polystyrene foamed plastic

The invention discloses a polystyrene foamed plastic and a preparation method thereof, and a composite board prepared from the polystyrene foamed plastic. The invention is characterized in that the polystyrene foamed plastic is prepared by carrying out uniform mixing and steam pressurization or mold extrusion or high-pressure permeation polymerization on the following raw materials in parts by weight: 20-40 parts of expandable polystyrene material and 2-6 parts of inorganic MUEC colloidal liquid. The preparation method comprises the following steps: adding the expandable polystyrene beads into a prefoaming machine, prefoaming, drying, forming by coating drying and steam pressurization polymerization or coating and mold extrusion polymerization or steam pressurization and high-pressure permeation polymerization, and cutting the formed block into boards with various sizes by a cutting apparatus. An outer side protective layer (2) is attached to one surface of the polystyrene foamed plastic board, and a finishing coat (3) is attached to the outer side protective layer (2), thereby constituting the composite board; and the composite board is manufactured by one step in the factory. The board and composite board have the advantages of low inflammability, high heat resistance, high compression strength, low apparent density, low water absorptivity, favorable dimensional stability, sound insulation, aging resistance and environment friendliness.
Owner:王惠波

Eccentric tangential-flow primary threshing and separating device of rice combination harvester

ActiveCN107241971AReduce carrybackImprove the initial separation rateThreshersWork performanceEngineering
The invention provides an eccentric tangential-flow primary threshing and separating device of a rice combination harvester. A tangential-flow threshing roller, a concave plate sieve and a top cover are installed on a rack; a support shaft and transmission shaft of the tangential-flow threshing roller penetrate through a left plate and a right plate respectively, an eccentric shaft is located between the left plate and the right plate, and the two ends of the eccentric shaft are connected with the transmission shaft and the support shaft respectively; the center of the transmission shaft and the center of the support shaft both coincide with the rotating center of the threshing roller, so that a certain eccentricity exists between the center of the eccentric shaft and the rotating center of the threshing roller, and a certain angle exists between the horizontal plane and the connecting line of the two centers. When the threshing roller works, a threshing element begins to stretch out above a feeding opening of the tangential-flow threshing roller and draws back into the threshing roller near a longitudinal axial flow feeding opening, back-drawing of rice by the threshing element is effectively reduced, and the problem of unsmooth feeding at the intersection place between tangential flow and longitudinal flow is solved; meanwhile, the partial resistance torque produced by materials is balanced by the torque produced by the centre-of-gravity shift of the tangential-flow roller, the vibration of the tangential-flow threshing roller is reduced, the work performance is improved, and the service life is prolonged.
Owner:JIANGSU UNIV

Multilayer high-frequency printed circuit board copper foil surface coarsening solution and using method thereof

The invention provides a multilayer high-frequency printed circuit board copper foil surface coarsening solution and a coarsening method thereof, and belongs to the technical field of printed circuit manufacturing. The copper foil coarsening solution comprises the components of hydrogen peroxide, sulfuric acid, phosphoric acid, a copper coordination agent, a corrosion inhibitor and the like, wherein the phosphoric acid, the copper coordination agent and the corrosion inhibitor form a reaction adjusting system, the oxidation reduction and the dissolution precipitation are skillfully fused together by adding a reaction regulator, and a layer of substance benzotriazole with strong affinity with resin is generated on the surface of the treated copper foil, so that organic consideration of surface coarsening and interlayer binding force of the copper foil is realized. Due to the fact that the copper reaction activity of the phosphoric acid system is low, air plasma activation is added before coarsening of the surface of the copper foil, high-activity particles such as electrons, positive ions, neutral particles and the like existing in the air plasma are utilized to activate copper, and then the treatment efficiency is improved.
Owner:UNIV OF ELECTRONICS SCI & TECH OF CHINA

Intelligent agricultural machinery operation method and operation system for spraying pesticide

The invention belongs to the technical field of agriculture, and discloses an intelligent agricultural machinery operation method and an operation system for spraying pesticide. The intelligent agricultural machinery operation method comprises steps of identifying authentication of a user, selecting a working mode; carries out an agricultural machinery operation path through a map in the system orcoordinates input by the user; collecting and processing field information through general intelligent nodes; automatically determining crop growth status by establishing a crop disease and pest hazard severity model; reasonably and accurately applying the pesticide by machine vision and optimized algorithms based on the crop growth status; collecting agricultural machinery driving speed, pesticide dosage and agricultural machinery positioning related information in real time, and monitoring status of an intelligent agricultural machinery in real time; and performing fault diagnosis and lifemonitoring for the intelligent agricultural machinery. The intelligent agricultural machinery operation method of the present invention can control the agricultural machinery to accurately drive alongthe planned operation path, so that an agricultural machinery operator can get rid of long-term fatigue driving and improve quality and efficiency of field operation.
Owner:SHANDONG ACAD OF SCI INST OF AUTOMATION

Basic framework of building LED light-emitting apparatus by standard pieces

The invention relates to a basic framework of building an LED light-emitting apparatus by standard pieces with different shapes, structures, types and functions and the basic framework is randomly assembled by light-emitting modules of standard pieces, a power supply connecting module and a supporting system. Each of the light-emitting module is composed of an LED light source integrating a chip and heat dissipation, a color temperature adjusting module and an optical lens; the power supply connecting module is formed by connecting a plurality of light source modules with different voltage output interfaces, light source bases where the light-emitting modules are assembled, power supply connectors connecting the power supply bases and the power supply modules and circuit connectors electrically connecting two adjacent light source bases. The supporting system is formed by a plurality of connecting blocks of building block type connecting structures and rib parts. The heat conducting efficiency of the LED light-emitting apparatus manufactured thereby is enhanced by 4-6 times, the volume and weight of the product are reduced by 70%, and the cost is lowered by 60%. The application diversification of the product is met, and the basic framework is simple to mount and maintain, and the sizing standard of the product is extremely simplified.
Owner:HUNAN YUEGANG MOOKRAY IND CO LTD

Negative-stiffness and longitudinal-axial-flow threshing cylinder of combined harvester

InactiveCN107455096AAvoid vibrationImproved threshing and separation capabilitiesThreshersEngineeringSpoke
The invention provides a negative-stiffness and longitudinal-axial-flow threshing cylinder of a combined harvester. The negative-stiffness and longitudinal-axial-flow threshing cylinder structurally comprises a longitudinal-axial-flow and negative-stiffness cylinder body, a cylinder top cover, a threshing rack, a concave grid and the like and is characterized in that spoke disc positioning sleeves on the longitudinal-axial-flow and negative-stiffness cylinder body are positioned on a cylinder shaft through key grooves, a middle spoke disc and a tail spoke disc are positioned on the spoke disc positioning sleeves through corresponding holes, and then spokes are welded and fixed to a middle positioning plate and a tail positioning plate and form bow shapes along an axial direction to allow the longitudinal-axial-flow cylinder to have a negative-stiffness feature. The negative-stiffness and longitudinal-axial-flow threshing cylinder has the advantages that the negative-stiffness and longitudinal-axial-flow threshing cylinder is applicable to various longitudinal-axial-flow paddy rice combined harvesters and can satisfy the efficient threshing requirements of paddy rice with different features; by the longitudinal-axial-flow and negative-stiffness cylinder body, the tangential stress of the cylinder spokes and spoke bending and deformation during paddy rice threshing can be balanced, and the difficulty of random dynamic load vibration, caused by stalks, of the cylinder during threshing can be solved effectively.
Owner:JIANGSU UNIV

A rice combine harvester eccentric cutting flow primary separation device

ActiveCN107241971BReduce carrybackImprove the initial separation rateThreshersAgricultural engineeringStructural engineering
The invention provides an eccentric tangential-flow primary threshing and separating device of a rice combination harvester. A tangential-flow threshing roller, a concave plate sieve and a top cover are installed on a rack; a support shaft and transmission shaft of the tangential-flow threshing roller penetrate through a left plate and a right plate respectively, an eccentric shaft is located between the left plate and the right plate, and the two ends of the eccentric shaft are connected with the transmission shaft and the support shaft respectively; the center of the transmission shaft and the center of the support shaft both coincide with the rotating center of the threshing roller, so that a certain eccentricity exists between the center of the eccentric shaft and the rotating center of the threshing roller, and a certain angle exists between the horizontal plane and the connecting line of the two centers. When the threshing roller works, a threshing element begins to stretch out above a feeding opening of the tangential-flow threshing roller and draws back into the threshing roller near a longitudinal axial flow feeding opening, back-drawing of rice by the threshing element is effectively reduced, and the problem of unsmooth feeding at the intersection place between tangential flow and longitudinal flow is solved; meanwhile, the partial resistance torque produced by materials is balanced by the torque produced by the centre-of-gravity shift of the tangential-flow roller, the vibration of the tangential-flow threshing roller is reduced, the work performance is improved, and the service life is prolonged.
Owner:JIANGSU UNIV

Energy recovery and cyclic utilization system for balancing load fluctuation of vibrating screen of combine harvester

The invention provides an energy recovery and cyclic utilization system for balancing load fluctuation of a vibrating screen of a combine harvester. The energy recovery and cyclic utilization system comprises the vibrating screen, a connecting rod, an energy storage device and a power supply device; one end of the vibrating screen reciprocates through an eccentric device; the eccentric device is connected with the energy storage device through the connecting rod; the energy storage device comprises a transmission gear, a volute spiral spring, a ratchet wheel, a pawl and an energy storage spring shaft; one end of the volute spiral spring is connected with the energy storage spring shaft, and the other end of the volute spiral spring is fixed on a sleeve; the volute spiral spring is connected with the transmission gear, the sleeve is in transmission connection with the connecting rod, the ratchet wheel is arranged at one end of the sleeve, the pawl is installed on the energy storage spring shaft, the pawl is matched with the ratchet wheel, and the ratchet wheel drives the pawl to rotate in a one-way mode; the power supply device comprises a generator and a battery pack; and the transmission gear is in transmission connection with the generator. According to the energy recovery and cyclic utilization system, excess energy generated by the vibrating screen due to load fluctuation can be recovered, and energy cyclic utilization of the vibrating screen under high load can be achieved.
Owner:JIANGSU UNIV
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