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103results about How to "Clear design" patented technology

Design method of hot-rolling strip steel rolled cooling line

The invention discloses a design method of a hot-rolling strip steel rolled cooling line. The design method comprises the following steps of: determining the header arrangement mode of the cooling line; calculating the upper header flow rate; calculating the lower header flow rate; calculating the side-spraying header flow rate; calculating the hot flow density; calculating the cooling capability of a single upper header and a single lower header; calculating the total water quantity; checking the flow rate; drawing a cooling line equipment arrangement diagram; simulating the cooling process; and generating the design information report. In the design, the method of combining the rolling procedure and the equipment structure is adopted, so the whole design process is very clear. The design method can adopt the computer program for calculation, so the design period is short. The design method adopts the calculation method of combining the theoretical model and the field actual data, so the equipment parameter calculation is accurate. The design method has the advantages that the calculation result practicability is fully considered, and the complete one-package service can be provided from the cooling line design and the process calculation to bidding document making and the like.
Owner:DALIAN DESIGN INST CO LTD CHINA FIRST HEAVY IND +1

Method and system for realizing relay protection and secondary circuit debugging visualization

The invention relates to a method and a system for realizing relay protection and secondary circuit debugging visualization. The system comprises a testing signal generation system, a virtual protection device, a virtual secondary circuit and a visualization unit, wherein the testing signal generation system is used for generating testing signals; the virtual protection device is used for receiving the instantaneous quantity, the steady-state quantity or the positive-sequence, negative-sequence and zero sequence components of the testing signal generation system, generating a current switching quantity variable of logic diagrams for protection, tripping, reclosing and the like, and transmitting the current switching quantity variables to the visualization unit; and the visualization unit is used for extracting the current switching quantity variable of the virtual protection device, the new switching quantity variable of the virtual secondary circuit and a switching quantity variable produced through operation, and generating visualized action images. The method and the system for realizing relay protection and secondary circuit debugging visualization have the beneficial effects that the visualized action images are displayed through two ways, i.e. sampling-point-by-sampling-point control and period-by-period control, and the modules of the system are clear and the training and the learning are facilitated.
Owner:STATE GRID CORP OF CHINA +1

Comprehensive energy efficiency evaluation management system and method for alternating-current and direct-current renewable energy system

The invention relates to a comprehensive energy efficiency evaluation management system and method for an alternating-current and direct-current renewable energy system. The system comprises a cloud network and an energy efficiency management layer connected with a plurality of distributed metering acquisition systems. The system uploads on-site metering acquisition system data of each AC / DC microgrid to a cloud energy efficiency management layer; energy efficiency data calculation, analysis and management are carried out respectively; application functions of equipment parameter management, energy efficiency monitoring, energy efficiency analysis, renewable energy power generation monitoring, energy efficiency evaluation result guidance and the like are applied, energy efficiency index evaluation and display of a plurality of alternating current and direct current system levels, a single region level and an equipment level are realized, and guidance suggestions are provided for complementary optimization and operation energy conservation and emission reduction of a system energy management system by utilizing an energy efficiency evaluation result. The comprehensive energy efficiency evaluation management system is distinct in design hierarchy, simple in structure and easy to realize, saves the network communication cost, is convenient for a user to use, and provides an effective cloud energy efficiency management solution for a multipoint distributed energy system.
Owner:BEIJING SIFANG JIBAO AUTOMATION

Novel 3D printed reinforced wall and construction method thereof

InactiveCN106968367AImprove stabilityIncrease the performance of carrying vertical gravityWallsProtective buildings/sheltersEngineeringRebar
The invention discloses a novel 3D printed reinforced wall and a construction method thereof. The 3D printed reinforced wall comprises a wall main body formed by integral printing through a 3D printer. The wall main body comprises an external rectangular frame plate and two vertical partitioning plates partitioning the interior of the edge plate along the width direction of the wall main body to form cavities. The frame plate comprises a front side plate body, a rear side plate body, a left side plate body and a right side plate body. The vertical partitioning plates are connected in the position, close to the two ends of the frame plate, between the front side plate body and the rear side plate body, and the rectangular cavities are defined by the vertical partitioning plates, the front side plate body, the rear side plate body and the left side plate body or the right side plate body. Two constructional column steel bar frameworks and two sets of transverse steel bars are arranged in the wall main body. The constructional column steel bar frameworks are located in the rectangular cavities. Constructional column concrete is poured in the rectangular cavities. The two sets of transverse steel bars are placed in the front side plate body and the rear side plate body correspondingly. The problem that according to a traditional 3D printed plain concrete wall, tensile performance is poor, and ductility and energy consumption performance cannot meet the anti-seismic requirement is solved.
Owner:CHINA STATE CONSTRUCTION ENGINEERING CORPORATION +1

Service load fine-grained prediction method based on AKX hybrid model

The invention relates to a service load fine-grained prediction method based on an AKX hybrid model. The method belongs to the technical field of service computing. The method comprises the steps of collecting and preprocessing data generated in the service operation monitoring process, and performing white noise and stability detection on a data set to construct an ARMA model; establishing an ARIMA model, carrying out online real-time correction on a model prediction value by adopting a Kalman filtering method, and effectively processing a nonlinear residual error; and introducing an XGBoostmethod to carry out offline autoregression prediction training analysis on the historical data of the service load, carrying out difference calculation on the historical data of the service load and actual service load data, and carrying out fitting on a difference result and a prediction value based on the hybrid model to obtain a final service load prediction result. Compared with an existing prediction method, the method has higher prediction precision and lower time delay under the background of resource limitation and high load, and better meets the requirements of a command and control system for service effectiveness, reliability and high resource utilization rate under the task burst background.
Owner:HARBIN ENG UNIV

Energy-consumption shear wall made of composite material

The invention discloses an energy-consumption shear wall made of a composite material, which comprises an upper steel plate, a lower steel plate, a middle steel plate, a constraining steel plate, a viscoelastic material, lead cores and bolt holes, wherein prepared holes are formed in the middle steel plate and the constraining steel plate; the viscoelastic material is arranged between the middle steel plate and the constraining steel plate; after the steel plates and the viscoelastic material are vulcanized together, lead is poured into the prepared holes to form the lead cores through curing; the bolt holes are formed in the upper steel plate and the lower steel plate; the upper steel plate and the lower steel plate can be connected with an upper frame beam and a lower frame beam through bolts to form the energy-consumption shear wall. Under vertical load, wind load and small earthquakes, the energy-consumption shear wall only provides rigidity to resist vertical load, lower horizontal load and bending moment; under middle and large earthquakes, the energy-consumption shear wall can consume earthquake energy due to the viscoelastic material and the lead cores; when the viscoelastic material and the lead cores deform greatly, the energy-consumption shear wall can provide not only rigidity but also damping to reduce various earthquake response of the energy-consumption shear wall; the numbers of the viscoelastic material layers and the lead cores can be changed as required. The energy-consumption shear wall is clear in seismic concept design, simple in structure, low in material cost, and convenient to construct and replace.
Owner:TONGJI UNIV +1

Rare metal ore deposit prospecting method based on geological and geophysical technologies

InactiveCN109991681AClear designReflect holistic thinkingGeological measurementsHigh resistanceEarth surface
The invention provides a rare metal ore deposit prospecting method based on geological and geophysical technologies. Overlapped areas of structure intersection positions, mesozoic igneous rock bodies,high gravity value anomalies, and medium and high magnetic anomalies in province ranges are delineated as metallogenic prospect areas. Through combination of a rock geochemistry anomaly graph, metallogenic target areas of rare metal ore deposits are further delineated. An induced polarization method and high precision magnetic measurement are carried out in the target areas. Isolines of earth surface apparent resistivity and relative magnetic field values are drawn on a map. Overlapped areas of high apparent resistivity and high magnetic field values are delineated as metallogenic enriched sections. Audio magnetotelluric sounding and radon gas radioactive detection are carried out in the sections. Space distribution states of the ore deposits in the sections are delineated according to characteristics of high resistance, high gravity, high magnetic force and high radon gas. Suitable positions are selected for explosion of ore bodies. According to the method, through combination of thegeophysical technology, an ore body is precisely positioned, and a macroscopic to microscopic step-by-step prospecting ideal is embodied.
Owner:湖南省地质调查院

Extra-large displacement unit type multidirectional displacement comb plate bridge expansion device

ActiveCN107190641AChange structural defectsEasy to installBridge structural detailsWater leakageBridge deck
The invention discloses an extra-large displacement unit type multidirectional displacement comb plate bridge expansion device and belongs to a multidirectional displacement bridge expansion device. The bridge expansion device comprises a movable comb plate and a fixed comb plate, wherein one end of the movable comb plate is connected with an asphalt pavement of a steel box bridge body through a buffer part, the other end of the movable comb plate and one end of the fixed comb plate are mutually staggered and fixed to a bridge deck in a lap-joint mode, and the other end of the fixed comb plate is connected with pavement embedded steel bars through a bracket component. The extra-large displacement unit type multidirectional displacement comb plate bridge expansion device also comprises an installing rack on the steel box bridge body, wherein a displacement damping part is arranged between the installing rack and the movable comb plate. The phenomena such as vehicle skip motions and water leakage at expansion joints are avoided, multidirectional bridge displacement and multidirectional bridge translation are achieved by arranging a displacement part and a buffer part, noise produced when vehicles pass through can be reduced, and meanwhile the cost and working amount required in the links such as installation, maintenance and the like of the expansion device can be effectively simplified.
Owner:XIAN LINTONG DISTRICT HENGYU ENG MATERIALS CO LTD

L-shaped flange and design method thereof

The invention provides an L-shaped flange and a design method thereof. The L-shaped flange is used for connecting a tower frame of a wind generator set. The design method comprises the steps of determining initial design parameters; selecting a bolt specification; calculating bolt associated parameters; selecting a tower barrel wall thickness; and selecting a flange thickness, wherein the initialdesign parameters include a flange outer diameter, an initial tower barrel wall thickness, a distance between two adjacent bolt axes, and a distance from a tower barrel inner wall to a bolt axis; a maximum bolt number, a flange inner diameter, bolt external force, maximum bearing capacity of each bolt and a static strength safety reserve coefficient are calculated, and whether a first preset condition is met or not is judged; in the step of selecting the tower barrel wall thickness, if ultimate tension in a current failure mode is greater than vertical force under plastic failure of the towerbarrel wall, the tower barrel wall thickness is reselected; and in the step of selecting the flange thickness, whether a second preset condition is met or not under current flange thickness is verified, and if the second preset condition is met, the flange design is finished.
Owner:BEIJING GOLDWIND SCI & CREATION WINDPOWER EQUIP CO LTD

LED (light emitting diode) front car lamp

The invention discloses an LED (light emitting diode) front car lamp, belonging to the field of illumination devices. The front car lamp comprises a lower beam lamp set, a higher beam lamp set, a PCB (printed circuit board) and a heat radiator, wherein the lower beam lamp set and the higher beam lamp set are installed on the PCB; the rear part of the PCB is provided with the heat radiator; the lower beam lamp set comprises an LED lamp and a lower beam cup; the higher beam lamp set comprises an LED lamp and a higher beam cup; the inner surfaces of the lower beam cup and the higher beam cup are mirror surfaces, and the mirror surfaces are divided into a plurality of irregular free-form surfaces axially; and the cup bodies of the lower beam cup and the higher beam cup are both divided into at least three sections axially, and each section is used for illuminating different areas. The lower beam cup and the higher beam cup of the front car lamp have high light efficiency, the amount of applied LEDs is less, and the heat radiation issue of the LED lamp is solved, thus the full LED of the front car lamp is realized; also the front car lamp provided by the invention is simple in structure, does not need excessive optical accessories the light energy loss is reduced, simultaneously the cost is lowered, and the front car lamp can be widely popularized and applied.
Owner:GUANGZHOU UNIVERSITY

Landscape urban planning construction model and constructing method of man-made mountain building

A man-made mountain of a landscape city occupies less land but has much residential population, so that a great quantity of lands can be saved around to construct forests, rivers, lakes, landscape and environments with mountains, rivers and forests. The man-made mountain is as the drawing as follows: a garbage and sewage processing layer is arranged at the first layer (1); a bus station and a freight station are arranged at the second layer (2); a tramcar waiting hall is arranged at the third layer (3); a pedestrian mall is arranged at the fourth layer (4) and a square (5) is arranged at the middle part; annular buildings (6), (8) and (10) and annular streets (7) and (9) are arranged outside the square in sequence; sixteen radiated streets are arranged from the square to the outer circle landscape; fluttered soil containing troughs in which shrub and wall climbing plants are panted are arranged at each layer of walls around each circle of buildings; rain sheltering channels which are five meters in width are arranged at two sides of the annular streets; the rain sheltering channels are provided with soil to plant trees; the buildings at the outer circle are slightly short and become higher from outside to inside circle by circle; the appearance of the roof of each building of each circle is man-made maintain, and the interior is the building; and trees can be planted and pavilions can be constructed on the roof. Channels are arranged at the middle parts of the annular buildings and commercial houses are arranged at two sides; and bridges spanning the radiated streets are arranged at the corridors at each building of each circle, so that the whole circle runs through.
Owner:蔡豪佳

FPGA (field programmable gate array) based control device and FPGA based control method for satellite-borne microwave radiometer

The invention provides an FPGA (field programmable gate array) based control system and an FPGA based control method for a satellite-borne microwave radiometer. The system comprises a 1553 communication module, a data collection module, an AGC (automatic gain control) module and an antenna control module. The 1553 communication module is responsible for transmitting ground commands to each module and controlling the state of the whole satellite-borne microwave radiometer, the scanning mode of an antenna and AGC settings. The data collection module is responsible for collecting auxiliary data such as scientific data and temperatures of the satellite-borne microwave radiometer in a data collection circuit and transmitting the data to the 1553 communication module. The 1553 communication module packages and transmits the data to a satellite control center and then transmits the data to the ground. The AGC module is responsible for executing AGC setting commands of the ground. The antenna control module executes antenna scanning mode commands of the ground and transmits the state and an angle value of the antenna to the 1553 communication module. The 1553 communication module transmits the state and the angle value of the antenna to the satellite control center and to the ground sequentially.
Owner:NAT SPACE SCI CENT CAS

Cultivation method for selenium-rich malting barley

The invention relates to a cultivation method for selenium-rich malting barley, in particular to a safe, reliable, standard, stable and high-yield cultivation method for selenium-rich malting barley. The method comprises the first step of selecting 'Ganpi No.5' as seeds for broadcast sowing and placing the seeds in a mash for seed dressing, wherein the mash is formed by adding a sodium selenite solution with the concentration being 0.02 percent-0.1 percent into sandy loam or loam, the second step of selecting a plot with sandy loam or loam and applying selenium-rich fertilizers with the standard being 5 kg-15 kg per mu, the third step of applying composite fertilizers added with sodium selenite to the plot for top dressing when the malting barley grows to 6 cm-10 cm after seedling emergence, the fourth step of applying leaf fertilizers one time when malting barley seedlings grow to the late growth stage, wherein sprayed fertilizers comprise monopotassium phosphate and sodium selenite, the volume ratio of the monopotassium phosphate to the sodium selenite is one to one, the concentration of the monopotassium phosphate is 0.1 percent-0.2 percent, and the concentration of the sodium selenite is 0.02 percent-0.1 percent, and the fifth step of harvesting the malting barley after the malting barley is ripe and fully sunning the harvested malting barley to obtain finished selenium-rich malting barley.
Owner:张斌

SQL lightweight persistent layer framework and configuration method

The invention discloses an SQL lightweight persistent layer framework and a configuration method. The SQL lightweight persistent layer framework comprises a database initialization module, a request receiving module, an object analysis module, an object construction module and a result return module. The configuration method comprises the steps of loading database configuration and initializing adatabase connection pool; receiving a called service request, wherein the request comprises an SQL object resource code; analyzing an SQL service object according to the SQL object resource code; constructing an SQL execution object capable of responding to the service result according to the SQL service object; and returning a processing result according to the executable SQL object. Entity classes corresponding to the database tables do not need to be compiled any more in service logic implementation; after the program is published, the name of the field of the database table is modified, the SQL in the XML configuration file is directly modified without compiling the program again for publishing, the troubles of program modification, editing and re-publishing caused by database table modification are solved, and the maintainability is improved.
Owner:GUANGXI COMM PLANNING SURVEYING & DESIGNING INST

Method for folding triangular box with overlying box bottom

The invention discloses a method for folding a triangular box with an overlying box bottom and relates to a method for manufacturing paper containers. Paper in the shape of an equilateral triangle is taken, and folding lines such as oblique line positive fold lines, a two-point reverse fold line and a three-point positive fold line are made; three angles are folded according to the three oblique line positive fold lines; a first large angle portion is folded according to the three-point positive fold line; folding is performed according to a coincided four-point positive fold line of the first large angle portion, a coincided vertical line positive fold line, a middle edge reverse fold line adjacent to the coincided vertical line positive fold line, a four-point positive fold line of a second large angle portion adjacent to the middle edge reverse fold line and a vertical line positive fold line; the portion above a first coincided three-point positive fold line is folded according to the first coincided three-point positive fold line of the second large angle portion, and one box angle is formed; the other two box angles are folded in the same way; the triangular box with the overlying box bottom can be formed by adjusting a third large angle portion, suspended above the first large angle portion, of the box bottom to a position below the first large angle portion. The design is simple and clear, manufacturing is easy, due to the overlying state of an inner box bottom, the box bottom can not deform, and the triangular box with the overlying box bottom is stiff, smooth and firm.
Owner:启东市和洪农副产品专业合作社
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