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36results about How to "Avoid Design Mistakes" patented technology
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Adaptable scan chains for debugging and manufacturing test purposes
InactiveUS6018815AReducing scan time operationAvoid Design MistakesDigital circuit testingSolid-state devicesEngineeringJoint Test Action Group
Scan chains to support debugging and manufacturing test modes for integrated circuit chips are made adaptable. Scan chains may be configured either in a multiple scan chain JTAG mode or in a multiple independent and parallel scan chain mode. The configuration transition between the scan modes is made by private instructions implemented in a JTAG controller, which supports the IEEE 1149.1 standard.
Owner:SAMSUNG ELECTRONICS CO LTD
Shipbuilding man-machine engineering simulation evaluation method and system
InactiveCN106802990AAvoid Design MistakesReduce R&D and manufacturing costsGeometric CADDesign optimisation/simulationOff designMan machine
The invention provides a shipbuilding man-machine engineering simulation evaluation method and a system. The method comprises that S1. the product data, tool data, building resource data, virtual human data and technological requirements which the shipbuilding technology relates to are input, and a environment of shipbuilding man-machine engineering simulation evaluation is established; S2.according to the input technological requirements, the processes of shipbuilding technology is simulated and the critical technological processes of shipbuilding are screened out; S3.the critical technological processes of shipbuilding screened out is performed the virtual human operation simulation; S4.the virtual operation of the virtual human is performed a man-machine engineering evaluation and a result of man-machine engineering evaluation is acquired; and S5.judging if the result of man-machine engineering evaluation reaches the standard, if the result reaches the standard, the result of shipbuilding man-machine engineering simulation which the result of man-machine engineering evaluation that reaches the standard corresponds to are output, if the result does not reach the standard, go back to the step 2. The shipbuilding man-machine engineering simulation evaluation method has the advantages of achieving man-machine engineering simulation and analysis and evaluation for the shipbuilding technology at design stage and avoiding the design mistake.
Owner:JIANGNAN SHIPYARD GRP CO LTD
Display module and display device
ActiveCN110687729ANo risk of misalignmentShorten the development cycleStatic indicating devicesNon-linear opticsComputer hardwareFlexible circuits
The invention discloses a display module and a display device, and belongs to the display technology field. The display module comprises a display panel, a flexible circuit board and a printed circuitboard. A binding area of the display panel comprises at least two conductive pad groups which are successively arranged along a first direction, and the number of conductive pads of the conductive pad groups is different and is successively increased along the first direction. Each first pin group of the flexible circuit board comprises first pins whose number is the same as that of the conductive pads of each conductive pad group. Each second pin group of the printed circuit board comprises second pins whose number is the same as that of the first pins of each flexible circuit board. The display device comprises the display panel. Binding positions with different functions can be directly recognized from an appearance, binding errors are avoided, a possibility of human errors is reduced,and then working efficiency and a product yield can be improved.
Owner:SHANGHAI TIANMA MICRO ELECTRONICS CO LTD
Circuit board schematic diagram design method and device, electronic equipment and storage medium
PendingCN111368497AAutomate your designImprove design efficiencyMachine learningComputer aided designSoftware engineeringDesign information
The invention provides a circuit board schematic diagram design method and device, electronic equipment and a storage medium. The method comprises the steps of receiving input design scheme data; according to the component library, calling a schematic diagram design model to analyze the design scheme data, and outputting a circuit board schematic diagram corresponding to the design scheme data; wherein the schematic diagram design model is obtained by training through a deep learning algorithm; the method comprises the following steps: automatically analyzing received design scheme data by utilizing a schematic diagram design model obtained by training a deep learning algorithm, and automatically obtaining a circuit board schematic diagram corresponding to the design scheme data input by auser according to related component design data obtained from a component library; the automatic design of the schematic diagram of the circuit board is realized, the design efficiency of the schematic diagram of the circuit board is improved, and the whole design process does not need manual participation, so that design errors caused by human factors are avoided, and the design reliability of the schematic diagram of the circuit board is improved.
Owner:INSPUR BUSINESS MACHINE CO LTD
Simulation system for industrial design
InactiveCN105022657AAvoid design riskReduce productionEducational modelsSoftware simulation/interpretation/emulationDesign planSoftware system
The invention relates to a simulation system for industrial design. The simulation system comprises a hardware device and a software system, wherein the software system comprises a virtual reality editor and VRP-IE for converting a three-dimensional file to a file capable of being browsed in an IE (internet explorer); and the hardware device comprises a processing system, a three-dimensional display system and an interactive apparatus. The contributions of the simulation system are that product design and release as well as design assessment and check can be realized. A designer is helped to conveniently modify a design plan in time, so that the research and development costs are reduced and the research and development speed is increased. The interaction between a virtual scene and a user is realized, so that the internal structure of a product can be carefully observed; and meanwhile, the functions of virtual assembly, internet release and the like of the product also can be realized, so that the resource waste of enterprises in the industrial design process is reduced to the maximum extent, and the research and development cycle of the enterprises in the industrial design process is shortened to the maximum extent.
Owner:FOSHAN SIXVECTOR DESIGN & CONSULTANT CO LTD
Composite three-view-field star sensor star map simulation method
ActiveCN105547286ASimple and fast operationLow costNavigation by astronomical meansStar numberRight ascension
The invention discloses a composite three-view-field star sensor star map simulation method. The composite three-view-field star sensor star map simulation method comprises the following steps that step 1, an observation star meeting the requirements is selected according to the limiting magnitude of a star sensor, and star number, star magnitude, right ascension and declination data of the observation star is extracted and stored in an observation star database; step 2, statistics is conducted on observation stars in three optical system view fields of the composite three-view-field star sensor, and incidence angles of the observation stars in subsystem coordinate systems the observation stars belongs to in the X and Y directions are calculated; step 3, the star magnitude, view field position data of fake stars is randomly produced according to the total number of the fake stars; step 4, imaging of the observation stars and the fake stars within the respective view fields performed by an optical system is simulated through ray tracing, and image plane information is calculated; step 5, the brightness of each pixel of a digital star map is calculated, and the digital star map is output. The composite three-view-field star sensor star map simulation method is simple and convenient to operate and low in cost, does not depend on a hardware system formed through machining and can provide rich simulation star map data for other technical research of the composite three-view-field star sensor.
Owner:江苏智行未来汽车研究院有限公司
Tempering technology of G18CrMo2-6 steel
ActiveCN103436686AImprove impact toughnessGuaranteed StrengthHeat treatment process controlHeat treatedDesign Error
The invention belongs to the field of steel heat treatment, and more specifically relates to a tempering technology of G18CrMo2-6 steel. The tempering technology is capable of solving a problem that impact toughness of G18CrMo2-6 steel is poor, and changes under different tempering treatment conditions. The tempering technology comprises following specific steps: 1) the G18CrMo2-6 steel after normalizing heat treatment is heated to a temperature smaller than Ac1 at a certain heating speed, and is subjected to tempering treatment after different heat preservation periods; and then charpy V-notch impact test is performed so as to obtain test data; 2) the test data is input into a tempering parameter formula for calculation, and a tempering parameter-impact value corresponding curve is drawn; and 3) a reasonable heat treatment technology is determined based on the optimum value in the tempering parameter curve. According to the tempering technology, the heat treatment technology is determined based on the tempering parameter formula of G18CrMo2-6 steel, so that design errors are avoided, the design of the tempering technology is more reasonable, and designed results are scientific and standard.
Owner:INST OF METAL RESEARCH - CHINESE ACAD OF SCI +1
Modularized building design method based on BIM technology
InactiveCN113392463ARealize the attribution of responsibilityRealize fine managementGeometric CADConfiguration CADConstruction engineeringBuilding design
The invention belongs to the technical field of buildings, and particularly relates to a modular building design method based on BIM technology, which comprises the following steps of S1, field investigation, S2, scheme preparation, S3, component splitting and deepening design, S4, collision inspection, S5, automatic quantity calculation, S6, component production and S7, field construction. According to the method, fine management of the whole life cycle of design, production and on-site construction of the modular building is achieved through the BIM technology, organic combination of the front-end design concept and rear-end production and construction factors is achieved, design errors caused by front-back disjunction are avoided, and design efficiency and design quality are greatly improved.
Owner:CHONGQING ARCH AGE DESIGN
Simulation system for equipment design
InactiveCN105279298AReduce productionImplement interactive functionsSpecial data processing applicationsSoftware systemSimulation
The invention relates to a simulation system for equipment design. The simulation system comprises hardware equipment and a software system, wherein the software system comprises a virtual reality editor and a VRP-IE (Virtual Reality Platform Internet Explorer) used for converting a three-dimensional file into a file capable of being browsed in an internet explorer; the hardware equipment comprises a processing system, a three-dimensional display system and an interactive device. The contributions of the simulation system for the equipment design provided by the invention lie in that the simulation system can help to realize the design and release of products and realize the evaluation and audit of design; help designers to modify design proposals timely and conveniently; save the research and development cost and accelerate the research and development speed; realize interaction between virtual scenes and users; go deep into the interiors of products to carefully observe the structures of the products and can realize the functions like virtual assemblies of products, internet release of products, etc. and reduce the wasting of resources and research and development cycle of enterprises in the process of equipment design to the maximum extent.
Owner:陈海燕
Numerically controlled bending automatic matching method and system
ActiveCN108787804AAvoid Design MistakesImprove work efficiencyTotal factory controlC++ Standard LibraryEngineering
The invention discloses a numerically controlled bending automatic matching method and system. The method comprises the following stepsof S1, establishing a bending standard library; S2, drawing a part in a three-dimensional design platform, acquiring the bending characteristic parameters of the part, and examining whether machining is feasible or not according to whether the bending characteristic parameters of the part are matched with the bending standard library or not; and S3, issuing a part drawing feasible to machine, calling the bending standard library to match a tool automatically according to the bending characteristic parameters of the part to generate a bending CNC program and / or a bending guiding video. The method provided by the invention can achieve numerically controlled bending automatic matching mold programming and outputs the bending guiding video, so that the production efficiency is improved effectively.
Owner:GREE ELECTRIC APPLIANCES INC
Automatic matching method and system of numerical control punching
ActiveCN108646672AAvoid Design MistakesImprove work efficiencyProgramme controlComputer controlNumerical controlPunching
The invention discloses an automatic matching method and system of numerical control punching. The method comprises the steps that 1) a punching rule library, a characteristic model library and numerical control punching layout rules are created; 2) a part is drawn in a 3D design platform, and whether processing of the part is feasible is detected; 3) the punching rule library is called to generate a punching interface process; 4) a production order is received, and the numerical control punching layout rules are called to carry out suit-cut layout and generate a suit-cut punching process automatically; and 5) a specification of material is cut according to the suit-cut punching process. Thus, automatic programming of numerical control punching can be realized, manual intervention is not needed, and the production efficiency is improved effectively.
Owner:GREE ELECTRIC APPLIANCES INC
A method for creating and retrieving knowledge points of circuit components based on string
ActiveCN109242817ASearch results appear in real timeGood effectImage enhancementImage analysisHough transformGraphics
The invention discloses a method for creating and retrieving knowledge points of circuit components based on character strings, which comprises the following steps: selecting image information of an object circuit diagram; binarizing the image;through transforming the image; extracting components and component pins from the image; the extracted components are subjected to standardized rotation treatment; carrying out graphic digitization on the components to obtain a unique string corresponding to the components; the unique character string and the corresponding text comment information of thecomponent are used as labels of the screenshot information of the component, and the labels are stored in the knowledge point database together with the screenshot information of the component. The knowledge point database is retrieved by using string as parameter, and the corresponding screenshot information and text comment information of the components and devices are obtained. The invention searches the design error point comment information and the connection error screenshot information of the components corresponding to the string in the knowledge point database in the form of string,and the retrieval result appears in real time, and the effect is very ideal.
Owner:NANJING FUJITSU NANDA SOFTWARE TECH
Three-dimensional model part comparison system and method
InactiveCN105701263AImprove masteryReduce error rateConfiguration CADSpecial data processing applicationsThree-dimensional spaceSimulation
Owner:INVENTEC PUDONG TECH CORPOARTION +1
Signal integrity optimization method and device
ActiveCN112446182AImprove design efficiencyAvoid Design MistakesCAD circuit designSpecial data processing applicationsTemplate basedMonoboard
The invention provides a signal integrity optimization method and device. The method comprises the steps: reading a PCB netlist and a schematic diagram to obtain all network information of a target single board; simulating the target single board by using the network information and obtaining a simulation result for optimizing the physical structure of the target single board; writing corresponding data into the graphical template based on a simulation result; matching the data in the graphical template with the network information; and in response to successful matching of the data in the graphical template and the network information, optimizing the data in the graphical template for the target single board. According to the scheme, design errors caused by interaction of a large number of parameters among engineers can be avoided, meanwhile, the design inspection workload of PCB designers is greatly reduced, and the PCB design efficiency is greatly improved.
Owner:INSPUR SUZHOU INTELLIGENT TECH CO LTD
Ship structure review submission and withdrawal management system and method, and computer readable storage medium
PendingCN112785251AAvoid Design MistakesTimely resolution of design errorsNatural language data processingOffice automationData miningManagement system
The invention provides a ship structure review submission and withdrawal management system and method and a computer readable storage medium, and the system comprises a management end which is used for receiving a three-dimensional model of a ship structure sent by a design end, lightening the three-dimensional model of the ship structure and making the same into a review submission work package, and submitting the review submission work package to a review end for review in a system; the review end used for receiving the review submission, displaying the three-dimensional model of the ship structure in the review submission work package, feeding back a review withdrawal opinion of the designer to the three-dimensional model of the ship structure, and generating a review withdrawal work package. The design end is used for positioning a problem part of the associated three-dimensional model in the modification opinion of the review end to the three-dimensional model of the original review submission design, automatically generating a review withdrawal problem list, modifying the review withdrawal opinion to a three-dimensional review submission model of a new version, and regenerating a new review submission version after the internal approval process is completed. The method is used for solving the problems existing in the ship structure review submission and withdrawal process based on the three-dimensional model.
Owner:JIANGNAN SHIPYARD GRP CO LTD
A basement comprehensive pipe gallery route planning method and device based on a Revit platform
PendingCN113987634AGuaranteed accuracyAvoid Design MistakesGeometric CADSpecial data processing applicationsRoute planningRoute generation
The invention relates to the technical field of Revit platform building design, in particular to a basement comprehensive pipe gallery route planning method and device based on a Revit platform. According to the technical scheme, the method is characterized in that a building model is read through a Revit platform; a pipe gallery module family is manufactured based on the building model, and features in the building model are recognized; the method also includes automatically arranging a pipe gallery route in the building model according to the module calling rule and the connection rule. According to the steps, a planning device is correspondingly provided and comprises a model reading module, a pipe gallery manufacturing module, a calling rule setting module, a pipe gallery arrangement module, a connection rule setting module, a pipe gallery recognition module, a route generation module and a pipe gallery editing module. The invention has the advantages of high applicability, high accuracy, high efficiency and high flexibility.
Owner:珠海新势力创建筑设计有限公司
A star map simulation method for a composite three-field star sensor
ActiveCN105547286BSimple and fast operationLow costNavigation by astronomical meansSpecies complexImage plane
Owner:江苏智行未来汽车研究院有限公司
Method of creating and retrieving knowledge points of circuit components based on character strings
ActiveCN109242817BSearch results appear in real timeGood effectImage enhancementImage analysisGraphicsAlgorithm
The invention discloses a character string-based method for creating and retrieving knowledge points of circuit components, including: selecting image information of an object circuit diagram; performing binary processing on the image; performing Hough transform on the image; and extracting components from the image and component pins; standardize and rotate the extracted components; digitize the components to obtain the unique character string corresponding to the component; convert the unique character string corresponding to the component and the corresponding text remark information Both are used as the label of the screenshot information of the component, and the label and the screenshot information of the component are stored in the knowledge point database; the knowledge point database is retrieved with a string as a parameter, and the screenshot information and text notes corresponding to the component are obtained information. The invention retrieves the design error point remark information and connection error screenshot information of components corresponding to the string in the knowledge point database in the form of character strings, and the retrieval results appear in real time, and the effect is very ideal.
Owner:NANJING FUJITSU NANDA SOFTWARE TECH
A method and system for automatic matching of CNC punching
ActiveCN108646672BAvoid Design MistakesImprove work efficiencyProgramme controlComputer controlNumerical controlSoftware engineering
The invention discloses an automatic matching method and system of numerical control punching. The method comprises the steps that 1) a punching rule library, a characteristic model library and numerical control punching layout rules are created; 2) a part is drawn in a 3D design platform, and whether processing of the part is feasible is detected; 3) the punching rule library is called to generate a punching interface process; 4) a production order is received, and the numerical control punching layout rules are called to carry out suit-cut layout and generate a suit-cut punching process automatically; and 5) a specification of material is cut according to the suit-cut punching process. Thus, automatic programming of numerical control punching can be realized, manual intervention is not needed, and the production efficiency is improved effectively.
Owner:GREE ELECTRIC APPLIANCES INC
Sponge city rain sewage treatment construction and operation and maintenance method based on BIM technology
PendingCN113591185AImprove construction efficiencySave time on repeated drawingGeometric CADDesign optimisation/simulationArchitectural engineeringSewage treatment
The invention relates to the technical field of rain sewage treatment, and discloses a sponge city rain sewage treatment construction and operation and maintenance method based on a BIM technology, and the method comprises the following steps: 1, determining the range and surrounding environment of a construction site of a sponge city needing to be constructed, and carrying out the modeling of the surrounding environment of the construction site; and 2, determining a sponge city construction drawing according to the construction site, and carrying out modeling according to the drawing. According to the sponge city rain and sewage treatment construction and operation and maintenance method based on the BIM technology, a sponge city model is established, a designed scheme can be simulated, design is deepened, a sponge city needing to be established is vividly displayed, a worker can modify the model of the sponge city only by modifying related parameters, the time for workers to draw pictures repeatedly is saved, design errors and construction rework can be effectively avoided, and the efficiency of sponge city construction is improved.
Owner:江苏中皓建设集团有限公司
A Topology Optimization Design Method for the Headstock of Machining Center
ActiveCN111062094BReduce quality problemsRelieve pressureGeometric CADDesign optimisation/simulationEngineeringProcess engineering
The invention belongs to the technical field of spindle box design, and discloses a topology optimization design method for a spindle box of a machining center. The static stiffness of the original model of the spindle box is analyzed to obtain the static stiffness of the original model of the spindle box; the topology optimization method is used to change the model. The location of the material distribution; use the obtained deformation of the original model as a constraint condition, as a constraint function in the topology optimization design, keep 70% of the original model quality of the headstock as the goal, set up the objective function of the topology optimization process, and carry out topology optimization design; According to the results of topology optimization design, the model is re-established in 3D software. The invention avoids the modification and correction of design errors after the prototype is made in the traditional design process, shortens the research and development cycle, saves design costs, and reduces waste of time, money and labor costs; the invention improves the rigidity of the machine tool and increases the service life.
Owner:GREE ELECTRIC APPLIANCES INC
Method for determining tempering temperature
ActiveCN102344999BChoose reasonableImprove consistencyHeat treatment process controlHardnessProcess design
The invention discloses a method for determining tempering temperature, which comprises the following steps: reading a relation table of tempering hardness-tempering temperature in a database according to a material of a part; and determining the tempering temperature according to the tempering hardness. The tempering temperature can be determined according to the material and the tempering hardness requirement inputted by users, so that the process design efficiency is enhanced and the design error can be avoided, the selection of tempering temperature is more reasonable without the phenomenon of columns crossing, the obtained technological parameter has good consistency, scientific and standard design result.
Owner:NANJING DEV ADVANCED MFG
A CNC Bending Automatic Matching Method and System
ActiveCN108787804BAvoid Design MistakesImprove work efficiencyGeometric CADTotal factory controlSoftware engineeringMachine
The invention discloses a numerically controlled bending automatic matching method and system. The method comprises the following stepsof S1, establishing a bending standard library; S2, drawing a part in a three-dimensional design platform, acquiring the bending characteristic parameters of the part, and examining whether machining is feasible or not according to whether the bending characteristic parameters of the part are matched with the bending standard library or not; and S3, issuing a part drawing feasible to machine, calling the bending standard library to match a tool automatically according to the bending characteristic parameters of the part to generate a bending CNC program and / or a bending guiding video. The method provided by the invention can achieve numerically controlled bending automatic matching mold programming and outputs the bending guiding video, so that the production efficiency is improved effectively.
Owner:GREE ELECTRIC APPLIANCES INC
Method for verifying engine model in off-line way
InactiveCN103838151AAvoid bias in resultsAvoid Design MistakesSimulator controlControl functionDesign Error
The invention discloses a method for verifying an engine model in an off-line way. The method comprises that: an execution timing sequence is defined for each control function module according to a practical control requirement of an engine; a metering trigger condition is arranged for the function module; and a control module execution sequence is controlled via arranging a task scheduling state machine, and the task scheduling state machine confirms verification execution sequences of the control modules of the engine according to the execution timing sequences of the control modules of the engine and input and output sequences between the control modules of the engine. The method for verifying the engine model in the off-line way conforms to practical execution codes of all the control modules of the engine so that the engine model can be accurately verified in the off-line way by the method, deviation in results caused by existing methods for verifying the engine model in the off-line way can be avoided, and subsequent design errors can be avoided.
Owner:LIANCHUANG AUTOMOBILE ELECTRONICS
Compound lathe and workpiece processing method
InactiveCN101869994BImprove support rigidityRealize reasonable configurationAutomatic/semiautomatic turning machinesAuxillary equipmentEngineeringLarge size
The invention provides a compound lathe and a workpiece processing method. The compound lathe has the functions of a lathe and a processing center, so as to realize the lathe work, the large-plane processing and heavy cutting by using a large-size rotating tool and easily exchanging for two workpieces including the tool. The compound lathe is provided with a tool shaft (5), the moving position of which is controlled on three orthorhombic axial directions. The tool shaft (5) can rotate around a Y axis (on the front and back directions) relative to an operator and rotate around an axis parallel to a plane orthorhombic to the Y axis. Used as a workpiece holder, the tool shaft is provided with a structure as same as the traditional opposite double-spindle lathe, at least one turret (41) arranged under the spindle axis, and tool storages (7L, 7R) and tool exchanging devices (72L, 72R) above two spindles (2, 3) on two sides of the tool shaft (5).
Owner:NAKAMURATOME SEIMITSU IND
Friction transmission type rotation driving device
InactiveCN1554877AAvoid makingAvoid Design MistakesDifferential gearingsMechanical energy handlingStatic frictionEngineering
A frictional transmission apparatus comprising a simple planetary roller mechanism and a brake mechanism, the simple planetary roller mechanism having friction rollers including a sun roller, a planetary roller, and a ring roller. Static friction torque Y obtainable from the brake mechanism is set to set to satisfy Y F16H 13 / 06 F16H 13 / 08 9 18 1 2000 / 12 / 4 1554877 2004 / 12 / 15 000000000 Sumitomo Heavy Industries Japan Tamenaga Jun Minegishi Kiyoji zeng xiangling 72001 The Company Ltd. of the Chinese Patent Agency (Hong Kong) Zi Building 22, Yingjun Centre, No.23, Gangwan Road, Hong Kong Wanzi Japan 1999 / 12 / 3 344887 / 99 Japan 1999 / 12 / 3 344888 / 99 Japan 1999 / 12 / 3 345243 / 99
Owner:SUMITOMO HEAVY IND LTD
Implementation method of global constraint-based lock instruction pseudo-random self-comparison verification model
ActiveCN110688093AImprove compatibilityEasy programmingRandom number generatorsTheoretical computer scienceComputer compatibility
The invention relates to an implementation method of a global constraint-based lock instruction pseudo-random self-comparison verification model. The implementation method comprises the following steps: establishing a lock sharing structure which can be seen by a tested scene and a test sequence library; generating a lock sharing structure table according to the global constraint, wherein the locksharing structure table at least comprises two lock sharing structures; randomly selecting a lock sharing structure to be executed by the core; after the lock is successfully locked, updating the critical zone address content and the global critical zone variable of the lock sharing structure; releasing the lock sharing structure; and after all the cores finish the lock execution operation, randomly appointing one core to perform traversal check on all the lock sharing structures in the lock sharing structure table. According to the invention, the problems of poor test excitation randomness,tedious codes, poor inheritance, difficult maintenance, single test scene and the like in the existing test method are solved, the correctness of the test result is verified, and the environmental compatibility is improved.
Owner:上海高性能集成电路设计中心
Full-automatic crawler loader
The invention discloses a full-automatic slagging-off machine which comprises a rotary base, a support, a driving device, a telescopic arm, a slagging-off piece and a protection device, the protection device comprises a protection plate installed on the rotary base, the protection plate is located on the front side of the support, and a receding hole for the telescopic arm to pass through is formed in the protection plate. Through cooperation of the rotary base, the lifting telescopic rod, the swing telescopic rod, the chain wheel and the chain, the defect that the slagging-off head is difficult to work continuously due to design errors or deviation generated after movement can be avoided, full-automatic and multi-angle slagging-off work can be achieved, and the slagging-off head is very convenient to use; meanwhile, the distance sensors installed on the two sides of the protection plate are used for detecting the distance between the surrounding operators and the protection plate, the rotary base and the chain wheel winding drum are braked emergently, the operators are prevented from being hurt, and safety is improved.
Owner:南京伊顿派克重工机械有限公司
Circuit netlist verification method, device and system and related equipment
PendingCN113761827AAvoid Design MistakesCAD circuit designSpecial data processing applicationsHemt circuitsNetlist
The embodiment of the invention provides a circuit netlist verification method, device and system and related equipment, and the method comprises the steps: obtaining a circuit netlist of a design circuit, the circuit netlist comprises device units and connecting lines between the device units, and the connecting lines are marked with marking voltages; traversing the connecting lines in the circuit netlist, and classifying the connecting lines based on the operating voltages in the connecting lines; judging whether the marked voltage marked by the connecting line matches the category to which the connecting line belongs or not; if so, the circuit netlist passes verification, and avoiding circuit design errors possibly caused by marking voltage errors.
Owner:HYGON INFORMATION TECH CO LTD
Tempering technology of G18CrMo2-6 steel
ActiveCN103436686BImprove impact toughnessGuaranteed StrengthHeat treatment process controlHeat treatedDesign Error
The invention belongs to the field of steel heat treatment, and more specifically relates to a tempering technology of G18CrMo2-6 steel. The tempering technology is capable of solving a problem that impact toughness of G18CrMo2-6 steel is poor, and changes under different tempering treatment conditions. The tempering technology comprises following specific steps: 1) the G18CrMo2-6 steel after normalizing heat treatment is heated to a temperature smaller than Ac1 at a certain heating speed, and is subjected to tempering treatment after different heat preservation periods; and then charpy V-notch impact test is performed so as to obtain test data; 2) the test data is input into a tempering parameter formula for calculation, and a tempering parameter-impact value corresponding curve is drawn; and 3) a reasonable heat treatment technology is determined based on the optimum value in the tempering parameter curve. According to the tempering technology, the heat treatment technology is determined based on the tempering parameter formula of G18CrMo2-6 steel, so that design errors are avoided, the design of the tempering technology is more reasonable, and designed results are scientific and standard.
Owner:INST OF METAL RESEARCH - CHINESE ACAD OF SCI +1
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