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127 results about "Arrangement number" patented technology
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Automatic PCB production line
PendingCN108282991AReduce in quantityReduce labor intensityCircuit board tools positioningElectrical componentsProduction lineLoading unloading
The invention relates to an automatic PCB production line. The automatic PCB production line comprises a production transmission line, multi-station loading equipment, PCB burning equipment, PCB coding equipment, PCB labeling equipment, PCB separation equipment and a PCB package system, wherein the production transmission line is used for driving a PCB to move along the production line, the multi-station loading equipment is used for loading the PCB onto a loading transmission line, the PCB burning equipment is used for burning the PCB, the PCB coding equipment is used for coding the PCB, thePCB labeling equipment is used for labeling the PCB, the PCB separation equipment is used for separating the PCB, and the PCB package system is used for packaging the PCB. The processes of automatic burning, coding, labeling, separation and package are achieved by matching of an industrial robot, automatic induction position and automatic loading unloading operation are achieved, and the purpose of high-efficiency and safe production is achieved; and moreover, different PCBs can be produced and worked, the automatic PCB production line is wide in application range and high in universality andpracticability, the arrangement number of the equipment can be greatly reduced, and the manual cost and the investment cost are reduced.
Owner:广东埃华路机器人工程有限公司
Indoor positioning method based on three-dimensional wave beams
ActiveCN107861100AReduce the number of layoutsBeam augmentationPosition fixationMultipath effectComputer terminal
The invention provides an indoor positioning method based on environmental backscattering. The indoor positioning method comprises the following steps that step one, a radio frequency source RFs emitsa signal: the tags of which any three of more than four tags are not arranged at the spatial position of the same plane are included; step two, environmental backscattering of the tags: the tags receive the signal of the radio frequency source RFs and transmit the signal to a mobile terminal Q through the backscattering mode; step three, the mobile terminal Q detects and positions the received tag signal: the four tags of the maximum signal intensity RSSI value are selected and recorded as Ta', Tb', Tc' and Td'; and step four, a unique triangular pyramid can be determined by four coordinatesand the position coordinates (x, y, z) of the unique mobile terminal Q can be determined through the triangular pyramid. The useful signal receiving power of the target can be enhanced, the coverage space can be increased, the method has great anti-multipath effect, the arrangement number of the tags can be saved and the cost of the positioning device can be reduced.
Owner:西安茂德通讯科技有限公司
Arrangement method of heat characteristic monitoring measurement points of numerical control machine
InactiveCN102179725AReduce the number of monitoring points for thermal characteristicsAvoid strong temperature dependenciesMeasurement/indication equipmentsCorrelation coefficientNumerical control
The invention discloses an arrangement method of heat characteristic monitoring measurement points of a numerical control machine. The method comprises the following steps of: (1) selecting measurement points on a numerical control machine body, and acquiring temperature values of the measurement points under different time and deformation of a tool nose position relative to a workpiece under different time according to the frequency to form a temperature change sequence X of the measurement points and a deformation sequence delta of the tool nose position relative to the workpiece; (2) calculating temperature correlation coefficients according to the temperature change sequence X of the measurement points, and dividing the measurement points into groups; (3) performing heat sensitivity calculation on the measurement points in each group according to the data of the temperature change sequence X of the measurement points and the deformation sequence delta of the tool nose position relative to the workpiece, and selecting the measurement points with highest heat sensitivity in each group to form a selection group; and (4) selecting the measurement points serving as the heat characteristic monitoring measurement points of the numerical control machine from the selection group according to different arrangement number of the heat characteristic monitoring measurement points of the numerical control machine. The method disclosed by the invention has the advantages of simplicity, effectiveness, clear principle, simplicity in operation, good controllability and the like.
Owner:ZHEJIANG UNIV
Intelligent carbon dioxide explosion technology method
ActiveCN106288988ALess regulationReduce use costBlasting cartridgesBlastingEngineeringArrangement number
The invention relates to an intelligent carbon dioxide explosion technology method, which comprises the following steps: a, explosion parameter design and calculation: comprising rock grade detection, carbon dioxide explosion pipe grade detection, hole arrangement number calculation, a hole arrangement manner, a pipe fixing manner, a fly pipe preventing manner, initiating network arrangement and safety alert distance calculation according to an explosion object; b, arrangement before explosion: comprising hole arrangement, hole drilling, formed hole inspecting, pipe blanking, pipe fixing, fly pipe preventing, wiring and safety alert; c, explosion and explosion effect inspection, wherein an initiating device in the explosion method is a carbon dioxide explosion pipe, two rows of inner drainage breaking-in holes are formed in the middle part of a tunnel cross-section, auxiliary holes and periphery holes are formed on the outer sides of the inner drainage breaking-in holes, and the inner drainage breaking-in holes are inclined holes inclined to a central line. According to the intelligent carbon dioxide explosion technology method provided by the invention, a corresponding-grade combined explosion pipe and explosion manner is used according to different tunnel cross-sections, and an ideal explosion effect is achieved.
Owner:BEIJING LONGDE SHIDAI TECH SERVICE
Freely adjusted electromagnetic adsorption-type flexible bed-jig structure
InactiveCN102166738AImprove overall utilizationReduce wasteWork holdersElectromagnetic interferenceEngineering
The invention relates to a freely adjusted electromagnetic adsorption-type flexible bed-jig structure, comprising a bed-jig base (1), a lower spiral tube (2), a first connection ear (3), an upper spiral tube (4), a protective flange (5), a current controller (6), a wire (7), a full-angle rotation head (8), an electromagnetic-type backing plate with radian (9), a second connection ear (3), a lateral support rod (11) and a base reinforcing rib (12). According to the requirements of body section, the electromagnetic-type backing plates with radian (9) with different curvatures are designed and generated; the connection of the electromagnetic-type backing plates with radian (9) and the segment is adsorbed on the segmented body through the electromagnetic effect; the direction of the electromagnetic-type backing plate with radian (9) is controlled by a full-angle rotary head (8); the micro-macro adjustment of the bed-jig height is finished through the threaded connection of the lower spiral tube (2) and the upper spiral tube (4); and the arrangement number of the bed jigs is set according to the segmented weight and the bed-jig strength.
Owner:JIANGSU UNIV
Oxidizing method and oxidizing unit of object for object to be processed
ActiveUS7419550B2UniformityImprove uniformitySemiconductor/solid-state device manufacturingChemical vapor deposition coatingEnvironmental engineeringOxygen
Owner:TOKYO ELECTRON LTD
Energy source minimization arrangement method of radio-frequency energy capturing wireless sensor network based on particle swarm optimization
ActiveCN105722104AReduce the numberReduce economic costsNetwork topologiesNetwork planningWireless mesh networkRadio frequency energy
Owner:ZHEJIANG UNIV OF TECH
Field orientation-combined tracking photovoltaic array arrangement method
ActiveCN106100522AIncrease economic benefitsTake advantage ofPhotovoltaic supportsSolar heating energyPhotovoltaic power stationEngineering
The invention discloses a field orientation-combined tracking photovoltaic array arrangement method which comprises the steps of (1) calculating photovoltaic array arrangement spacing dNS' and dWE' in a north-south direction and an east-west direction after orientation angles gamma of photovoltaic device arrays change; (2) selecting the orientation angles gammai of m photovoltaic arrays, calculating the number Qi of photovoltaic devices which can be correspondingly arranged when the orientation angles of the m photovoltaic arrays are gammai separately and building a relationship model between the orientation angles gammai of the photovoltaic arrays and the arrangement number Qi of the photovoltaic devices; (3) calculating the relationship model between the orientation angles gammai of the photovoltaic arrays and solar radiation Hsingle (gammai) received by a single photovoltaic device all the year round and obtaining a relationship model between the solar radiation Htotal(gammai) received by a photovoltaic power station all the year round and gammai; (4) when the solar radiation Htotal(gammai) received by the photovoltaic power station all the year round is the maximum, taking the orientation angle gammai of the corresponding array as the optimum orientation angle gammaopt of the photovoltaic arrays; and (5) forming an array arrangement scheme of the photovoltaic devices in a photovoltaic field. By the method, array-type optimum arrangement of the photovoltaic devices can be achieved by combining the orientation of the photovoltaic field.
Owner:XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY
Target location method in specific environment and based on active radio frequency identification device (RFID) and system thereof
The invention discloses a target location method in specific environment and based on an active radio frequency identification device (RFID) and a system thereof, which adopt the mode of time inversion, are capable of conducting real-time high-accuracy location on an active RFID label on the premise that indoor environment is not modified, conduct simulation of the communication process of electromagnetic wave after the time inversion in a simulation environment, determine the position of a target to be located by reading peak value of energy of an electromagnetic field, and overcome the shortcoming that the traditional location accuracy relies on complexity of environment. The time inversion process is not finished on the target to be located, so that complexity and cost of the target to be located are reduced. A real transmitter is not required, so that complexity and cost of a signal processing mechanism are reduced. The simulation environment built in the signal processing mechanism corresponds to the real specific environment, and the multi-diameter and multi-scattering conditions can all be fully utilized in the time inversion process. Compared with the prior location mode, the method and the system reduce arrangement number of fixed antenna and reduce system cost.
Owner:KUNCHEN TECH CO LTD
BTM for storing messages
ActiveCN108773393AReduce the number of layoutsReduce maintenance and inspection workSignalling indicators on vehicleRailway traffic control systemsControl systemData storing
The invention provides a BTM for storing messages. The BTM processes corresponding ground transponder information to obtain transponder user messages, and transmits the transponder user messages to avehicle-mounted safety computer VC; the BTM is the BTM with a data storage function, and line data stored in the BTM is still in a message data format of a real transponder; and a ground part of a train control system corresponding to the BTM can only be equipped with a small number of ground transponders used for positioning, the BTM determines a position of a train, the time of sending the messages and corresponding message content are sent based on position judgement, and virtual ground transponders complete sending of required messages to the VC. Technical effects of the BTM are that: theground transponder messages are stored on a vehicle-mounted BTM device; the arrangement number of the ground transponders can be greatly reduced; the engineering construction cost is reduced; and signal maintenance personnel only need to maintain a vehicle-mounted BTM part, thereby reducing a great deal of maintenance and repair work on the transponder equipment, especially a line section with poor natural conditions.
Owner:BEIJING JIAODA SIGNAL TECH
Variable area capacitive-type bimodal optimized tuning-fork-type micromechanical gyroscope
InactiveCN105352488ALarge rangeReduce sensitivitySpeed measurement using gyroscopic effectsGyroscopes/turn-sensitive devicesCapacitanceShaped beam
The present invention discloses a variable area capacitive-type bimodal optimized tuning-fork-type micromechanical gyroscope, relates to a tuning-fork-type micromechanical gyroscope, and belongs to the field of micro electro mechanical system (MEMS). The variable area capacitive-type bimodal optimized tuning-fork-type micromechanical gyroscope includes a glass substrate and a metal electrode; and further comprises a MEMS structure, the MEMS structure can fully use variable area detection comb differential capacitances in a space structure to increase the arrangement number of the variable area detection comb differential capacitances in a limited space. Modal optimization of a detection mode can be realized by connection of an anchor point and a coupled rhombus beam, and modal optimization of a drive mode can be realized by connection of the anchor point and a lever. A U-shaped beam can be used to reduce puadrature coupling error brought by dimension error caused by processing technology defects. The variable area capacitive-type bimodal optimized tuning-fork-type micromechanical gyroscope can realize the modal optimization of the drive mode and the detection mode, can realize the linear conversion of detection capacitance variation and displacement variation under the premise of no reducing of the sensitivity, can effectively solve the small measuring range problem of a varied spacing capacitance microgyroscope, and can reduce the quadrature coupler error.
Owner:BEIJING INSTITUTE OF TECHNOLOGYGY
Variable-temperature metal module with precise temperature compensation and temperature compensating method
ActiveCN101974421AImprove temperature uniformityHigh precisionBioreactor/fermenter combinationsBiological substance pretreatmentsEngineeringControl circuit
The invention relates to a variable-temperature metal module with precise temperature compensation and a temperature compensating method. Sample holes are arranged on the variable-temperature metal module. The variable-temperature metal module comprises temperature compensating heaters, the arrangement number of the temperature compensating heaters is less than or equal to the arrangement number of the sample holes, the temperature compensating heaters are connected with a control circuit, and each temperature compensating heater is singly arranged around the sample holes. The invention is used for a gene amplifying instrument and a full-automatic medical PCR (Polymerase Chain Reaction) analytic system and can increase the temperature uniformity of the variable-temperature metal module to + / - 0.05 DEG C from + / -0.3 DEG C in the conventional technology.
Owner:上海宏石医疗科技有限公司
Defect pattern evaluation method, defect pattern evaluation apparatus, and recording media
ActiveUS20140199792A1Semiconductor/solid-state device testing/measurementElectric discharge tubesEngineeringArrangement number
According to a defect pattern evaluation method of an embodiment, defects are detected by performing optical defect inspection on a pattern on a substrate. Then, the defects are classified according to a type of a pattern layout using a pattern layout corresponding to coordinates of the defects. Further, a computer calculates a defect occurrence rate by dividing the number of defects of each pattern layout by an arrangement number of the pattern layouts in an inspection region. Then, the defect occurrence rate of each pattern layout is output as an evaluation result.
Owner:KIOXIA CORP
Bridge pier cofferdam integrated equipment and construction method thereof
ActiveCN104213569APromote rapid formationThe recycling process is convenient and fastFoundation engineeringCofferdamArrangement number
The invention discloses bridge pier-cofferdam integrated equipment. The bridge pier-cofferdam integrated equipment is characterized by comprising a cofferdam, wherein the cofferdam is formed by mounting and connecting a plurality of water separating devices and water pumping devices having the same arrangement number at intervals. The bridge pier-cofferdam integrated equipment has the following advantages: (1) the equipment is small in size and number and is convenient to mount and transport; (2) in the mounting and application process, the cofferdam can be quickly formed through quick assembly and the recovery is fast, so that the automation degree is high and the whole construction process time is greatly shortened; and (3) the equipment can efficiently and conveniently divide and block a water area; and the device recovering process becomes convenient.
Owner:CHINA FIRST HIGHWAY ENG +1
Electromagnetic handwriting device and its antenna wiring method
ActiveCN102262495AReduce the number of wiringEasy wiringAntenna arraysLoop antennasHandwritingElectromagnetic electron wave
Owner:BEIJING HANWANG PENGTAI TECH CO LTD
Large-scale reproduction nest of ornamental crayfish
InactiveCN102550471AReduce manufacturing costCompact structureClimate change adaptationPisciculture and aquariaIsosceles trapezoidAquatic animal
The invention relates to a large-scale reproduction nest of ornamental crayfish, comprising spawning pipes arranged in a fixing ring, wherein a tail board is fixed at tail ends of the spawning pipes; the head end faces of the spawning pipes form acute angles with a horizontal plane; a handle is arranged at the top end of the fixing ring; the spawning pipes are stacked and form an isosceles trapezoid-like distribution; axes of two adjacent layers of spawning pipes are configured to be staggered; the arrangement number of the spawning pipes from top to bottom are sequentially increased; and the length of the spawning pipes at the upper layer is less than the length of spawning pipes at the lower layer. The invention has the following advantages that the reproduction nest is lower in manufacturing cost than a ceramic pot, compact in structure, not likely to break and durable than the ceramic pot so as to benefit industrial applications on ornamental aquatic animal production, particularly high in reproduction efficiency to ensure that the shortages that a single artificial cave is low in reproduction efficiency and incapable of batch emergence are overcome, particularly suitable for the large-scale reproduction and spawning of ornamental crab and crayfish and can be used for large-batch industrial breeding of the ornamental crayfish to ensure that demands of aquatic animal markets are satisfied.
Owner:FRESHWATER FISHERIES RES CENT OF CHINESE ACAD OF FISHERY SCI
Rotating device suitable for high pressure scene and mechanical device using rotating device
ActiveCN104612963AImprove pressure bearing capacityPractical working lifeInternal combustion piston enginesEngine of intermeshing engagement typeWorking lifeEngineering
The invention provides a rotating device applied to high pressure scene and a fluid flow machine using the rotating device, in the rotating device, an eccentric axis moving cavity and a piston moving cavity are separated, a bearing can be arranged in the axial direction of the eccentric axis moving cavity, due to the axial length of the eccentric axis moving cavity is greater than the axial length of the piston moving cavity, bearing arrangement number and flexibility are can be n expanded in great space, multi-bearing withstanding pressure is naturally increased, pressure bearing capacity of the fluid flow machine using the rotating device is greatly improved, the rotating device can be applied to the high pressure scene, and the rotating device has practical work life.
Owner:BEIJING ROSTAR TECH
Oxidizing method and oxidizing unit of object for object to be processed
ActiveUS20060183343A1Efficient solutionUniformitySemiconductor/solid-state device manufacturingChemical vapor deposition coatingEnvironmental engineeringArrangement number
An oxidizing method for an object to be processed according to the present invention includes: an arranging step of arranging a plurality of objects to be processed in a processing container whose inside can be vacuumed, the processing container having a predetermined length, a supplying unit of an oxidative gas being provided at one end of the processing container, a plurality of supplying units of a reducing gas being provided at a plurality of positions in a longitudinal direction of the processing container; an atmosphere forming step of supplying the oxidative gas and the reducing gas into the processing container in order to form an atmosphere having active oxygen species and active hydroxyl species in the processing container; and an oxidizing step of oxidizing surfaces of the plurality of objects to be processed in the atmosphere. The atmosphere forming step has: a selecting step of selecting a predetermined supplying unit of a reducing gas among the plurality of supplying units of a reducing gas, based on an arrangement number and respective arrangement positions of the plurality of objects to be processed in the processing container; an oxidative-gas supplying step of supplying the oxidative gas into the processing container by means of the supplying unit of an oxidative gas; and an reducing-gas supplying step of supplying the reducing gas into the processing container by means of only the supplying unit of a reducing gas selected by the selecting step.
Owner:TOKYO ELECTRON LTD
Toggle switch state detection circuit, method and device
The present invention provides a toggle switch state detection circuit, method and device. The circuit comprises: toggle switch sets with a first quantity, output ports with a first quantity, detection ports with a second quantity, pull-up resistors with a second quantity, and diodes corresponding to the toggle switches. The second quantity is the maximum toggle switching number of the toggle switch sets; one end of each pull-up resistor is connected with a first voltage, and the other end of each pull-up resistor is connected with each detection port; one end of each toggle switch is connected with the detection port, and the other end of each toggle switch is connected with the positive pole of the corresponding diode; the detection ports connected with different toggle switches in the same set are different; the negative pole of each diode is connected with one output port; when the toggle switches corresponding to two diodes belong to the same set, the output ports connected with the toggle switches are the same, or else, the output ports connected with the toggle switches are different; and the on-off state of the line connected with any one output port is controllable. Basedon the on-off control of the line connected with each output port, the switching state of each toggle switch is determined according to the level at each detection port. Therefore, the scheme can reduce the arrangement number of the I / O ports.
Owner:SICHUAN HONGMEI INTELLIGENT TECH CO LTD
Scanning LED display screen drive and control device and method
ActiveCN103745686ASolve the problem of dark first sweepStatic indicating devicesLED displayArrangement number
The invention relates to a scanning LED display screen drive and control device and method. The drive and control device is suitable for being applied in an M-scanning LED display screen. The drive and control device comprises: a sub-field portion arrangement module for arranging and dividing the total sub-field number required by realizing each gray corresponding to multiple gray data into N sub-field portions; and a sub-field portion implementation sequence permutation module for determining the implementation sequence for each gray corresponding to the multiple gray data to realize the corresponding N sub-field portions according to the default permutation mode, the N sub-field portions are assumed to be characterized by N different arrangement numbers separately, and the sub-field portion including partial or all sub-fields occupied by same data bits in the corresponding gray data are characterized by a same arrangement number, then the default permutation mode is that M sub-field portions realized in each M scanning process at least in part have different arrangement numbers. Thus, the device and method of the invention can be used to effectively solve the problem that the first scanning is dark when a low-gray picture is displayed in the prior art.
Owner:XIAN NOVASTAR TECH
PCB preparation method and PCB
ActiveCN107529291ALocalized metallizationImprove routing densityPrinted circuit aspectsElectrical connection printed elementsCopper platingEngineering
The invention discloses a preparation method and a PCB, which belong to the technical field of PCB preparation. The PCB preparation method comprises the steps of (A) arranging a hole having an inclined side wall in the PCB; (B) conducting copper plating on PCB surface and the sidewall of the hole; (C) coating a protective layer on the line graph area of the PCB surface and on a plurality of connecting line areas of the sidewall of the hole; (D) conducting etching on the copper plating in the PCB non-line graph area and the non-coating protective layer of the sidewall of the hole, and obtaining the PCB having a multi-line plated through hole. The PCB is prepared by the above PCB preparation method. The invention is advantageous in that with the arrangement of the hole having an inclined sidewall, local metallization of the hole can be realized; a plurality of connecting lines can be integrated in one metallization hole; the arrangement number of the metallization holes in the PCB can be effectively reduced; the wiring density of the PCB line graph can be enhanced.
Owner:DONGGUAN SHENGYI ELECTRONICS
Cutter disc structure for TBM (tunnel boring machine)
ActiveCN104110263ALarge excavation areaImprove rock breaking efficiencyTunnelsEngineeringTunnel boring machine
Disclosed is a cutter disc structure for a TBM (tunnel boring machine). The cutter disc structure for the TBM is characterized in that one side of a cutter disc body is fixedly arranged on a TBM body, a working face of the other side of the cutter disc body is a spherical face, a center installation hole is formed in the vertex position of the working face, a center hob set is arranged in the center installation hole, a plurality of installation holes are evenly distributed on a plurality of circumferences different in radius, which use the central axis of the cutter disc body as circle centers and are arranged on the working faces of the cutter disc body, soil and stone discharge holes used to discharge soil and stone are evenly distributed between each two circles of the installation holes, which are adjacent, and hobs used to break rock masses are respectively arranged in the installation holes. The cutter disc structure for the TBM improves the excavation area of a rock breaking cutter disc by improving the structure of the cutter disc and the arrangement mode of the hobs, increases the arrangement number of the hobs, and thereby improves rock breaking efficiency and reduces torque and thrust of the cutter disc.
Owner:CHINA RAILWAY TUNNEL GROUP CO LTD +1
Method for designing intelligent vibration isolation control system of flexible buoyant raft
InactiveCN105465267ARealize intelligenceImprove execution efficiencyPropulsion power plantsNon-rotating vibration suppressionSystems designControl system
The invention aims at providing a method for designing an intelligent vibration isolation control system of a flexible buoyant raft. The method includes the steps that firstly, the arrangement numbers and the assembling positions of sensors, stepping motors, stepping motor drivers, non-self-locking limiting switches, power sources of the non-self-locking limiting switches and motor reducer combinations are determined according to a structural drawing of the vibration isolation control system of the flexible buoyant raft; secondly, the models of the sensors, the stepping motors, the stepping motor drivers, the motor reducer combinations, the non-self-locking limiting switches and the power sources of the non-self-locking limiting switches are selected; thirdly, the sensors, the stepping motors, the stepping motor drivers, drive power sources, the motor reducer combinations, the non-self-locking limiting switches, the power sources of the non-self-locking limiting switches and a Dspace are connected with wires and installed; fourthly, a MATLAB / Simulink control algorithm is designed and related channels are arranged; and fifthly, the MATLAB / Simulink control algorithm is downloaded to Dspace hardware, and online operation and monitoring are performed. The problems that control overflow and observation overflow are likely to happen and an intelligent controller is difficult to design in the prior art are solved.
Owner:SHENYANG AEROSPACE UNIVERSITY
Roadside parking management method, storage medium, server and system
PendingCN109872559AReduce the number of settingsLow costDetection of traffic movementIndication of parksing free spacesParking spaceLicense
The present invention relates to a roadside parking management method, a storage medium, a server and a system. The roadside parking management method is characterized by comprising: acquiring a vehicle image on a monitoring area at an opposite side, wherein the vehicle image is collected by an image collecting device which is preset on the opposite side; identifying vehicle information in the vehicle image, wherein the vehicle information comprises a license plate number; and charging the vehicle by time according to the license plate number. Because the image collecting device is adopted inthe present invention to monitor a parking space condition on the opposite side, relative to a monitoring dead angle in the existing condition of monitoring a vehicle condition on a parking space at asame side, the arrangement mode at the opposite side saves the arrangement number of the image collecting device compared with the arrangement mode at the same side, and further reduces the cost of construction. In view of the above reasons, the present invention can be widely applied to the technical field of parking management of parking and illegal parking.
Owner:北京筑梦园科技有限公司
Method for obtaining invisaligner master mold through 3D printing and invisaligner master mold
ActiveCN110014537AIncrease the number of layoutsIncrease the number ofAdditive manufacturing apparatusDomestic articlesEngineeringArrangement number
The invention discloses a method for obtaining an invisaligner master mold through 3D printing. The method comprises the following steps of modeling a plurality of master mold bodies through modelingsoftware and generating bottom rafts so as to form a plurality of invisaligner master molds; introducing the plurality of invisaligner master molds into 3D printing software, wherein the plurality ofinvisaligner master molds are arranged in an xy-plane and stacked in the Z-axis direction, and a support structure is generated between an upper bottom raft and a lower bottom raft; performing data slicing to form slicing files; importing the slicing files into a printer and printing; and removing the support structure to obtain the invisaligner master molds. The invention further discloses the invisaligner master mold manufactured by using the method. According to the method, by adopting a layout mode of stacking the plurality of invisaligner master molds in the Z-axis direction, the invisaligner master molds are printed; and the Z-axis space of the printer is fully utilized, the arrangement number of the invisaligner master molds in the printing space is multiplied, and the number of themaster molds printed at one time is increased, so that the desktop printer can produce the invisaligner master molds on a large scale, the cost is reduced, and the efficiency is improved.
Owner:珠海拜瑞口腔医疗股份有限公司
System and method for detecting launching force thermal environment of carrier rocket
ActiveCN109974542AReduce the number of layoutsReduce acoustic vibration coupling damageAmmunition testingHeat flowAudio power amplifier
The invention discloses a system and method for detecting a launching force thermal environment of a carrier rocket. The system comprises a plurality of force-thermal environment combination detectionunits capable of simultaneously measuring pressure, temperature, heat flow, acceleration and strain, wherein the force-thermal environment combination detection units are correspondingly arranged ata center position of a boosting rocket engine combustion gas stream core region boundary, in a launching platform tabletop combustion gas stream diffusion zone, on a core-stage rocket engine combustion gas stream core region boundary, on the core-grade flow guide hole wall, on the boosting flow guide hole wall, on a flow guide cone and in a flow guide groove. According to the system, the arrangement position and arrangement number of array sensors can be greatly reduced, and the on-site construction workload and the protection workload are reduced; and meanwhile, the sound vibration coupling damage of combustion gas stream strong noise to electrical components of a detection sensor and a front-end amplifier is reduced.
Owner:BEIJING INST OF SPACE LAUNCH TECH +1
WEPP-based near-natural remodeling method of waste-dump slope of opencast coal mine
InactiveCN108170879ASimple designReduce the number of settingsDesign optimisation/simulationSpecial data processing applicationsEcological environmentLandform
The invention discloses a WEPP-based near-natural remodeling method of a waste-dump slope of an opencast coal mine. The method includes the following steps: natural-mountain-body-slope topographic-feature extraction; natural-mountain-body-slope topographic-feature analysis; waste-dump slope section design; soil composition design of a waste-dump slope surface layer; and construction of a waste-dump slope surface vegetation system. According to the method, through research, it is found that when slope height and curvature are unchanged, design of a slope surface contour can be optimized throughchanging proportions of a convex portion of the slope in horizontal and vertical directions, thus key positions of platform arrangement are quickly found, the arrangement number of platforms or obstacles is decreased, then an actual engineering construction amount is decreased, and project costs are saved. The method starts from a concept of near-natural remodeling, follows principles of landscape ecology, remodels the waste-dump slope according with watershed erosion characteristics of a region environment where the same is located, has great significance for promoting ecological environmentrestoration of a waste-dump slope region, and has a certain aesthetic value.
Owner:CHINA UNIV OF MINING & TECH
Method for storing and managing data in substation
InactiveCN110414754AEasy to organize and saveEasy accessCo-operative working arrangementsResourcesTransformerManagement system
The invention discloses a method for storing and managing data in a transformer substation, which comprises the following steps of collecting and arranging various paper technical files and daily inspection records in the transformer substation, and classifying and numbering the paper technical files and the daily inspection records; scanning the paper technical archives and the daily inspection records into electronic archives, and attaching classification numbers and arrangement numbers of the electronic archives to file names of the electronic archives; inputting the basic information and the file name of the electronic file into a file management system; storing the electronic archives into a database according to the classification numbers and the arrangement numbers of the electronicarchives, and constructing a link path in an archive management system; generating a corresponding two-dimensional code in the archive management system according to the classification number and thearrangement number of the electronic archives, and calling the electronic archives by a user through a link path or scanning the two-dimensional code; and managing the electronic archives stored in the database, and recording the calling times and the calling time each time of the electronic archives. When the system is applied, all technical files in a transformer substation can be convenientlysorted, stored, called and consulted.
Owner:黄琳
Accelerator driving subcritical device with cladding type reactor core structure
InactiveCN105047232AReduce excess spaceLower requirementNuclear energy generationSubcritical reactorsNuclear engineeringElectromagnetic pump
The invention discloses an accelerator driving subcritical device with a cladding type reactor core structure. The accelerator driving subcritical device adopts a modularization design concept, fuel components are changed to be fuel cladding layers, and an external neutron source is separated from a reactor core part. An external neutron source target and the fuel cladding layers are cooled by using independent loops, so that the target can be cooled by using a coolant different from the fuel, and the design flexibility is improved. The all fuel cladding layers share an electromagnetic pump and a heat exchanger, and another system is used for standby application. Fuel cladding layer cooling loops are connected through concentric tubes, so that the arrangement number of pipelines is reduced. The fuel cladding layers and the external neutron source are all arranged inside a protection container, so that the multiple barriers can be realized. Meanwhile, in the protection container, the cladding layers are externally filled with inert gas, the breakage of the cladding layers can be judged through the pressure of the inert gas under normal work condition, a reactor core is stopped and residual heat is discharged by directly filling the coolant under the accident work condition. Control rod systems are distributed in gaps between the fuel cladding layers.
Owner:HEFEI INSTITUTES OF PHYSICAL SCIENCE - CHINESE ACAD OF SCI
Representative measuring point feature parameter determining method for smoke gas ingredient concentration whole cross section measurement
InactiveCN108593850AHigh measurement accuracyAvoid measurement errorsMaterial analysisMeasuring instrumentMeasurement point
The invention discloses a representative measuring point feature parameter determining method for smoke gas ingredient concentration whole cross section measurement. The method comprises the followingsteps of 1, using a smoke gas ingredient measuring instrument for measuring the discrete distribution features in the whole cross section of a flue to be tested of the smoke gas ingredient concentration in the cross section of the flue to be tested under the fixed load work conditions on the basis of a discrete grid point distribution mode; 2, drawing a whole-cross-section ingredient concentration distribution cloud drawing by combining with a linear interpolation theory; realizing the pseudo continuous precise measurement of the ingredient concentration of the smoke gas to be tested; 3, determining the transverse arrangement feature parameter of the representative measuring point, including the arrangement number n of the representative measuring point and the transverse interval x of the adjacent representative measuring point; 4, determining the longitudinal arrangement feature parameter of the representative measuring point, i.e., the arrangement depth hi of the representative measuring point i, wherein the i is greater than or equal to 0 but smaller than equal to n.
Owner:DATANG ENVIRONMENT IND GRP +1
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