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35results about How to "Easy to optimize and improve" patented technology
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Vibration damping and energy-absorbing device of vehicle auxiliary frame and method thereof
ActiveCN101315114AReduce vibration amplitudeReduce deliverySuspensionsNon-rotating vibration suppressionVibration amplitudeVehicle frame
The invention discloses a vibration damping and energy absorption method for an automobile sub-frame, which comprises the steps of (1) performing finite-element analysis to an sub-frame to obtain the quality, the first-order bending mode and the corresponding maximum displacement site of the sub-frame; (2) arranging a mass block with an elastic damping system to damp vibration and absorb energy; and (3) performing modal analysis and experimental verification on the improved sub-frame to correct the elastic damping system and the mass block parameters. The inventive method does not change the current structure of the sub-frame, and arranges the mass block with the elastic damping system in a specific position on the sub-frame to reduce the vibration amplitude by utilizing the principle of resonance energy absorption, so as to reduce the transmission of vibration toward automobile body. The method can also adjust the frequency of vibration damping and energy absorption devices by adjusting the mass of the mass block and the vertical rigidity of the elastic damping system. The inventive method has the advantages of simple structure and not remarkably increased weight and cost, and can maximally damp transmission of the vibration toward the automobile body.
Owner:CHERY AUTOMOBILE CO LTD
Production process full-period intelligent workshop system based on digital twinning technology and solving method
ActiveCN113110328AGuaranteed connectivityEasy to optimize and improveTotal factory controlProgramme total factory controlFull life cycleFeedback control
The invention discloses a production process full-period intelligent workshop system based on a digital twinning technology and a solving method. The system comprises a design planning module and a virtual-real synchronization module. The design planning module is used for building virtual components required by the digital twin of the automatic workshop in the virtual component design module, carrying out process design according to actual production requirements, arranging an automatic production line, and verifying a production line planning effect and a control program. The virtual-real synchronization module builds a real production line after verification, collects the operation data of the real production line, transmits the operation data to the data management and storage module, completes the synchronization between the real production line data and the digital twin data, and displays the virtual-real synchronization condition and the operation data, and finally guides the actual production by using the data processing result of the digital twin. The system and method run through the full life cycle of the production line, and production accidents and economic losses caused by design defects can be avoided; the simulation credibility is improved; and feedback control is performed on a real production line, so that major safety accidents and property loss can be effectively avoided.
Owner:DALIAN YAMING AUTOMOTIVE PARTS +1
Elastic coupling working condition test stand
ActiveCN103558025AEasy to optimize and improveEasy to analyzeMachine gearing/transmission testingForce measurement by elastic gauge deformationStanding frameExperimental research
The invention provides an elastic coupling working condition test stand which comprises a stand frame. A power source and a load wheel are arranged on the stand frame, an elastic coupling is connected between the power source and the load wheel, the stand frame is provided with a movable structure, and the power source and / or the load wheel are / is fixed to the movable structure. According to the elastic coupling working condition test stand, by means of the arrangement of the load wheel, the power source, the elastic coupling and the movable structure on the stand frame, working condition testing of the elastic coupling is achieved, quantitative and qualitative analysis of experiment data can be carried out, and optimization and improvement of the elastic coupling are facilitated. By means of the arrangement of the movable structure, different deviation types and different deviation values are formed between the axis of the power source and the axis of the load wheel so as to facilitate experimental research analysis and facilitate optimization and improvement of the elastic coupling.
Owner:QINGDAO UNIV OF SCI & TECH
Electrophoresis electronic paper ghost image detection system and method
InactiveCN109752870AEasy to detectImprove reading experienceNon-linear opticsElectricityElectrophoresis
The invention discloses an electrophoresis electronic paper ghost image detection system and method. The electrophoresis electronic paper ghost image detection system comprises a main control module,a camera shooting module, a storage module, a display module and a PC, wherein the camera shooting module, the storage module and the display module are electrically connected with the main control module; and the PC is in communication connection with the main control module through the internet. An image of an electrophoresis electronic paper display screen is shot through the camera shooting module; the image is converted into a gray image; an optimal threshold value T of the image is calculated by utilizing a maximum inter-class variance method; whether a ghost image exists in the image ornot is judged by traversing gray values of all pixel points of the image to be compared with the optimal threshold value T; the system has the advantages of being simple in structure, convenient to operate and the like; whether a ghost image phenomenon exists in electrophoresis electronic paper or not can be well detected, so that the improvement and optimization can be carried out for the ghostimage phenomenon of the electronic paper; and therefore, the reading experience of a user is improved.
Owner:UNIV OF ELECTRONICS SCI & TECH OF CHINA ZHONGSHAN INST +1
Mixed working medium containing fluoroethane and trifluoroethylene
ActiveCN111849420AReduced greenhouse effect potentialPromote environmental protectionChemical industryHeat-exchange elementsHexafluoropropyleneTrifluoroiodomethane
The invention discloses a mixed working medium containing fluoroethane and trifluoroethylene, and belongs to the field of power engineering and engineering thermophysics. The mixed working medium containing fluoroethane and trifluoroethylene comprises the first component trifluoroethylene and the second component fluoroethane, and other one or two compounds must be mixed into the first component trifluoroethylene and the second component fluoroethane. When a ternary mixture is formed, any one of pentafluoroethane, difluoromethane, trifluoroiodomethane and hexafluoropropylene needs to be added;when a quaternary mixture is formed, two of pentafluoroethane, difluoromethane, trifluoroiodomethane, hexafluoropropylene, propane and dimethyl ether need to be added, but any two of propane, dimethyl ether and difluoromethane are not added at the same time. Compared with R-404A, the greenhouse effect potential of the multi-component mixed working medium provided by the invention is greatly reduced. The condensation pressure of the mixed working medium is equivalent to that of the R-404A, and the mixed working medium has the technical advantage that main related systems or components of the current R-404A continue to be used. Compared with the R-404A, the mixed working medium has higher heat conduction capacity and lower flow resistance, and further optimization and improvement of a heatexchanger are facilitated. The refrigeration cycle performance coefficient of the mixed working medium is higher than that of the R-404A, and the energy-saving significance is achieved.
Owner:DALIAN UNIV OF TECH
Testing method for anti-fogging performance of lamp
InactiveCN109029917AImprove lightingGuaranteed to be listed on scheduleOptical apparatus testingEngineeringUltrasonic atomization
The invention discloses a testing method for the anti-fogging performance of a lamp. The testing method comprises the following steps that an atomization area is obtained by adopting an ultrasonic atomization method; a to-be-detected lamp is put into the atomization area and turned on after being connected to a power supply separately; and after a preset time, the condensed water drop attachment condition of a lampshade part of the lamp is observed, and whether or not the anti-fogging performance is qualified is judged. According to the testing method, by means of the anti-fogging performanceof the to-be-detected lamp at specific environmental temperature and humidity, a car lamp can be tested before being assembled, therefore, the car lamp can be conveniently optimized and improved in advance, and on-time marketing of the product is guaranteed.
Owner:力帆科技(集团)股份有限公司
Particle type meshless simulation system for heat flow coupling scene
PendingCN113947003AAvoid distortionEasy to optimize and improveDesign optimisation/simulationConstraint-based CADThermodynamicsHeat flow
A particle type meshless simulation system for a heat flow coupling scene adopts a Lagrange method of smoothed particle fluid dynamics to express fluid in a particle form, discretizes a corresponding partial differential equation in a field function into an ordinary differential equation related to time, and integrates a corresponding heat flow coupling calculation formula to realize transient simulation of a heat flow coupling scene. The system is realized through a model construction and granulation module, a system algorithm setting module, a flow field calculation module and a post-processing module. The system is convenient to combine with GPU parallel operation, time consumption is low, heat flow coupling calculation capacity is high, and the used meshless method has the advantages that fluid domain optimization and improvement are facilitated, the gap between a continuum and fragments is easy to bridge, and grid distortion under large deformation is avoided; the system is suitable for being applied to engineering problems of complex flow channel layout, large heat flow coupling calculation amount and fluid domain optimization requirements.
Owner:XI AN JIAOTONG UNIV
Forming simulation system and method for washing machine inner barrel stamping part production
PendingCN112547970AAvoid misuseAvoid mistakesShaping safety devicesUsing subsonic/sonic/ultrasonic vibration meansMicrocontrollerLaundry washing machine
The invention discloses a forming simulation system for washing machine inner barrel stamping part production. The forming simulation system comprises a microcontroller, a login system, an automatic control system, a detection system and a stamping system; the login system, the automatic control system, the detection system and the stamping system are electrically connected with the microcontroller; the microcontroller is used for receiving information of the login system, the automatic control system, the detection system and the stamping system and sending working instructions to the systems; the login system is used for login operation of a worker; the detection system is used for detecting a stamping part; and the stamping system is used for stamping raw materials to form required workpieces, the login system comprises a server, a database, an ID card reader and a touch screen, and the detection system comprises an ultrasonic transmitting module, an ultrasonic receiving module anda data processing module. According to the forming simulation system, quality detection can be carried out on the stamping part, and the precision of a finished product is improved.
Owner:江阴市新万沅机件有限公司
Movement mechanism for linear multidigit ionization chamber
ActiveCN101839993AHigh positioning accuracyStrong reliabilityElectric discharge tubesDosimetersLinear displacementTorsion spring
The technical scheme provides a modular and dismountable movement mechanism for a linear multidigit ionization chamber, which comprises a guide shaft fixed on a bottom board, a limit lever assembly, a microswitch, a load frame capable of making linear displacement with a transmission rack, a limit lever, a pressure spring, the ionization chamber arranged on the load frame and the like. The limit lever assembly comprises a positioning bearing, a universal rotating head, a torsional spring, a torsional spring connecting rod and the like; and a limit slot is formed on the limit lever fixed on the load frame. When the positioning bearing just moves to a slope of the limit slot and does not stop in the limit slot, the microswitch corresponding to the limit slot is pressed, a motor stops operating, and the torsional spring and the pressure spring push the load frame with the ionization chamber together to continue to move, so that finally the positioning bearing slides into the limit slot completely, the load frame stops moving, and a station is adjusted in place. The mechanism is arranged below a turnplate of a beam flattening filter of an accelerator to measure the intensity of radiation passing through the flattening filter, and is convenient to overhaul.
Owner:江苏海明医疗器械有限公司
Internet of Vehicles system and tire pressure information processing method and device thereof
InactiveCN110545322AEfficient collectionEasy to optimize and improveTyre measurementsTransmissionReal-time computingInformation processing
The invention discloses an Internet of Vehicles system and a tire pressure information processing method and device thereof. The processing method comprises the steps that registration is conducted ona server through a vehicle-mounted terminal in advance; the collection device obtains feature information of a vehicle where the registered vehicle-mounted terminal is located from the server; according to the feature information, the collection device searches for a vehicle where the registered vehicle-mounted terminal is located in real time within a certain range around the collection device in the moving process; the collection device acquires tire pressure information of the vehicle from the searched vehicle where the registered vehicle-mounted terminal is located; and the collection device uploads the acquired tire pressure information of each vehicle to the server. According to the invention, a large amount of tire pressure data of the vehicle can be efficiently collected, and thescheme can be smoothly implemented even if the vehicle is in a flameout state.
Owner:上海能塔智能科技有限公司
Processing method for cadmium adsorbent with use stability
InactiveCN109550487AImprove adsorption efficiency and effectImprove the ability to useOther chemical processesWater contaminantsChemistrySorbent
The invention discloses a processing method for a cadmium adsorbent with use stability. The processing method comprises the following steps: (1) weighing of raw materials for subsequent usage; (2) processing treatment of the raw materials; (3) blending processing treatment; and (4) drying treatment. The processing method provided by the invention performs special processing treatment to an adsorbent, realizes good optimization and improvement, significantly improves the adsorption efficiency and effects of the adsorbent to cadmium, reinforces the use ability of the adsorbent in a variety of acid and alkali environments, broadens the applicability of the adsorbent, and has significant market competitiveness and application values.
Owner:张海涛
Digital detection device and method for space bent pipe fitting
ActiveCN112113531AHigh degree of automationEasy to optimize and improveMechanical counters/curvatures measurementsControl systemPipe fitting
The invention provides a digital detection device and detection method for a spatial bent pipe fitting and particularly relates to the technical field of pipe fitting detection. The digital detectiondevice for the space bent pipe fitting comprises a digital control system, a detection base table, lifting mechanisms and detection unit bodies, wherein the lifting mechanisms are arranged on the detection base table, and the multiple lifting mechanisms are arranged in an array mode; the multiple detection unit bodies are connected with the lifting ends of the multiple lifting mechanisms in a one-to-one correspondence mode, the space bent pipe fittings are suitable for being arranged above the detection unit bodies, and the detection unit bodies are suitable for supporting and detecting the distances from the space bent pipe fittings; the digital control system is suitable for controlling the lifting end of the lifting mechanism to ascend and descend to the set height and obtaining the distance between the detection unit body corresponding to the lifting mechanism and the space bent pipe fitting.
Owner:HARBIN INST OF TECH
POS drop detection auxiliary tool
The invention discloses a POS machine drop detection auxiliary tool, comprising: a base (1) with a drop detection area; characterized in that: it also includes: a lifting platform (4) capable of lifting relative to the base (1), The lead screw (2) mechanism that drives the lifting platform (4) up and down, the automatic fixture installed on the lifting platform (4), and the camera (10) installed on the lifting platform (4) realize the The guide column (3) for positioning and guiding of the lifting platform (4), and the controller; the screw (2) mechanism, the automatic fixture and the camera (10) are all electrically connected to the controller; the camera (10) The drop detection area can be photographed. The invention has the beneficial effects of simple structure, convenient operation, rapid drop test to obtain test data, and convenience for later optimization and improvement.
Owner:苏州市国晶电子科技有限公司
Data processing method and device for man-machine interaction conversation, medium and electronic equipment
PendingCN113761156AEasy to optimize and improvePromote industrial developmentSemantic analysisNeural architecturesData ingestionEngineering
The invention belongs to the technical field of man-machine interaction dialogues of artificial intelligence, and particularly discloses a data processing method and device for man-machine interaction dialogues, readable medium and electronic equipment. The method comprises the steps that: a to-be-replied query text and historical dialogue data are obtained, and then predicted text semantic features and real text semantic features are extracted; and dialogue quality evaluation information of the man-machine interaction dialogue is generated according to the predicted text semantic features and the real text semantic features. The dialogue quality evaluation information of the man-machine interaction dialogue generated by the method is combined with a specific context, the dialogue condition of the man-machine interaction can be reflected more objectively, the evaluation is practical, the user experience in the man-machine interaction dialogue is enhanced, a technician can optimize and improve the man-machine interaction dialogue more conveniently, and the industrial development of man-machine interaction is effectively promoted.
Owner:TENCENT TECH (SHENZHEN) CO LTD
Physical index optimizing system for recycling DMAC (dimethylacetamide)
ActiveCN104043260AGood yieldAchieve recyclabilityCarboxylic acid amide separation/purificationFractional distillationDistillationPulp and paper industry
The invention relates to a physical index optimizing system for recycling DMAC (dimethylacetamide), which belongs to the technical field of spandex production. The physical index optimizing system for recycling DMAC comprises a dehydrating tower, a coarse solvent tank, a refining tower, a distillation still supplying tank and a recovery tower, wherein the dehydrating tower is connected with a feed pipe, the bottom of the dehydrating tower is communicated to the middle of the refining tower through the coarse solvent tank, and the bottom of the refining tower is communicated with the bottom of the recovery tower through the distillation still supplying tank; a preheater is connected to the middle of the dehydrating tower, and a No.1 condenser and a No.1 chiller are connected to the top of the dehydrating tower; a No.2 condenser and a No.2 chiller are connected to the top of the refining tower; a No.3 condenser is arranged on the top of the recovery tower, a No.3 condensate receiving tank is arranged on the No.3 condenser, and a No.3 vacuum pump is arranged on the top of the No.3 condenser. By adopting the physical index optimizing system to recycle DMAC in the process of spandex production, normal operation of a DMAC distillation system is guaranteed, and the yield and physical indexes of the recycled DMAC are greatly increased.
Owner:ZHEJIANG KAIPUTE SPANDEX
Urban building windward side density calculation method and system based on grid parallelism
ActiveCN110162903AEasy to optimize and improveGeometric CADDesign optimisation/simulationData setSeta
The embodiment of the invention discloses an urban building windward side density calculation method and system based on grid parallelism. The method comprises: acquiring a three-dimensional data setA and a wind direction angle theta of a to-be-detected building area; traversing each building in the data set A to obtain a direction coordinate extreme value corresponding to the data set A; determining a coordinate origin, a termination point and the side length of the grid unit, dividing a task space grid N, and endowing the task space grid N with an independent grid unit number NID; segmenting the data set A based on the task space grid N to obtain a data set B; grouping the buildings in the data set B and starting sub-tasks to calculate the windward side density of the buildings in eachgroup; and integrating the sub-task calculation results to form and output a final output data set NC. The problems that a traditional calculation method is small in data throughput and low in calculation efficiency are solved, and the method is suitable for assisting design planning of large cities, extra-large cities and urban group air ducts.
Owner:LIAONING NORMAL UNIVERSITY
Vibration damping and energy-absorbing device of vehicle auxiliary frame and method thereof
ActiveCN101315114BReduce vibration amplitudeReduce deliverySuspensionsNon-rotating vibration suppressionVibration amplitudeVehicle frame
The invention discloses a vibration damping and energy absorption method for an automobile sub-frame, which comprises the steps of (1) performing finite-element analysis to an sub-frame to obtain the quality, the first-order bending mode and the corresponding maximum displacement site of the sub-frame; (2) arranging a mass block with an elastic damping system to damp vibration and absorb energy; and (3) performing modal analysis and experimental verification on the improved sub-frame to correct the elastic damping system and the mass block parameters. The inventive method does not change the current structure of the sub-frame, and arranges the mass block with the elastic damping system in a specific position on the sub-frame to reduce the vibration amplitude by utilizing the principle of resonance energy absorption, so as to reduce the transmission of vibration toward automobile body. The method can also adjust the frequency of vibration damping and energy absorption devices by adjusting the mass of the mass block and the vertical rigidity of the elastic damping system. The inventive method has the advantages of simple structure and not remarkably increased weight and cost, and can maximally damp transmission of the vibration toward the automobile body.
Owner:CHERY AUTOMOBILE CO LTD
Portable teaching arrangement equipment for enterprise management
ActiveCN113017218AEasy to hearShorten the timeLuggageOther accessoriesBusiness enterpriseEngineering
The invention relates to the technical field of teaching arrangement, in particular to portable teaching arrangement equipment for enterprise management, which comprises an arrangement box module, the arrangement box module is used for storage and arrangement, and a camera module for recording lecturers is fixedly connected in the arrangement box module. Two support modules and two loudspeaker box modules are arranged in the arrangement box module, each loudspeaker box module comprises a connecting box, a Bluetooth loudspeaker box is arranged in each connecting box, and a second screw block is fixedly connected to the outer side face of each connecting box. According to the invention, the connecting box is fixedly connected with the second screw block, an explaining person can place a familiar sound box into the connecting box and carry the sound box through the arrangement box module, the time for debugging the sound box is shortened, the sound box is convenient to use, the sound box module can be supported through the support module, the support module is extended, The sound box module is located at a high position as much as possible, so that the sound box module can transmit sound to the whole conference room, and the teaching quality is improved.
Owner:王春
Decomposition Method of Full Complement Cylindrical Roller Bearing Based on Spiral Test Rack
InactiveCN105437141BEasy to operateEasy to detectWork holdersMetal-working hand toolsRoller bearingEngineering
The invention relates to a spiral testing rack based disassembling method of a full complement cylindrical roller bearing. The method comprises the steps that the full complement cylindrical roller bearing is arranged on a spiral testing rack clamp; the clamp can axially clamp and fix a cylindrical roller of the full complement cylindrical roller bearing, and an outer ring of the full complement cylindrical roller bearing is suspended; then the outer ring of the bearing is propped through a propping roller of the spiral testing rack, thus the cylindrical roller can be separated from a roller path in the outer ring of the bearing, and the press-out force of the roller can be measured at the same time; the direction of the propping force of the propping rod is in the same straight line as the direction that the cylindrical roller is separated from the roller path in the outer ring of the bearing; the aforementioned steps are executed again to achieve the disassembling of the roller and the outer ring of the full complement cylindrical roller bearing. The method can fill a void of an existing dismounting and disassembling method of the full complement cylindrical roller bearing; the operation method is simple and cannot lead to damage to the bearing; meanwhile, the full complement cylindrical roller bearing can be conveniently detected, and the bearing can be conveniently optimized and improved.
Owner:SHANGHAI C&U GRP CO LTD +1
Spherical particle surface liquid phase information identification method, system and medium
PendingCN114444362ADeepen cognitionEasy to optimize and improveDesign optimisation/simulationSpecial data processing applicationsSpherical granuleComputational physics
The invention belongs to the technical field of petrochemical engineering, and relates to a spherical particle surface liquid phase information identification method and system and a medium, and the method comprises the steps: constructing a double-layer O-block structure grid for a single spherical particle, and simulating the surface of the spherical particle based on a VOF model; a monitoring line is arranged on the surface of the spherical particle in the radius direction, and liquid phase fraction information of the monitoring line is calculated; according to the spatial positions of the monitoring lines, grids on the surface of the spherical particles in each monitoring line and a hemisphere to which each monitoring line belongs are judged; and according to the liquid phase fraction information of the monitoring lines on the grids on the surfaces of the spherical particles, calculating the liquid phase wetting rate and liquid film average thickness of the surfaces of the spherical particles, the liquid phase volumes corresponding to the monitoring lines and the liquid holdup of the surfaces of the spherical particles, and drawing a mapping cloud picture in the vertical direction in an upper hemisphere and a lower hemisphere. The method can be used for carrying out auxiliary analysis and identification on liquid phase information on micro-scale single spherical particles in a trickle bed.
Owner:CHINA UNIV OF PETROLEUM (BEIJING)
Pressure relief cabin, testing device for hydraulic conveying screen pipe in drill pipe and testing method
PendingCN113216933ASolving Quantitative Detection ProblemsSolve the detection problem of docking reliabilityMachine part testingSurveyButt jointCoal
The invention discloses a pressure relief cabin, a testing device for a hydraulic conveying screen pipe in a drill pipe and a testing method. The pressure relief cabin is provided with a tubular body, one end of the tubular body is a testing end, the other end of the tubular body is a connecting end, a force measuring end is coaxially provided with a test body and a test end cover, and pressure from the connecting end is transmitted to the test end cover through the test body for force collection. The quantitative detection problem of the conveying force of the hydraulic conveying screen pipe in a directional long drill hole in an underground coal mine is solved, reference is provided for screen pipe conveying design, and smooth implementation of screen pipe hole protection engineering practice is ensured; and the detection problem of the butt joint reliability of segmented screen pipes is solved, and optimization and improvement of a screen pipe butt joint device are facilitated.
Owner:XIAN RES INST OF CHINA COAL TECH& ENG GROUP CORP
Anti-counterfeiting control system and anti-counterfeiting control method for warehouse logistics
InactiveCN110084542ARealize automatic collectionHigh degree of automationTexturing/coloringStill image data indexingData matchingLogistics management
The invention discloses an anti-counterfeiting control system and an anti-counterfeiting control method for warehouse logistics. The anti-counterfeiting control system comprises a first-level system.The first-level system is provided with an ex-warehouse end and a warehousing end, and comprises a first-level warehouse, a random texture manufacturing device arranged at the warehousing end of the first-level warehouse and used for manufacturing and generating random texture patterns on warehoused goods, a warehousing end collecting and storing module used for collecting random texture patternsgenerated on the warehoused goods and storing the random texture patterns as reference pattern data, an acquisition judgment module arranged at the ex-warehouse end of the first-level warehouse. According to the scheme, the warehouse-in and warehouse-out efficiency of the cargos can be improved, meanwhile, logistics process control can be achieved, and accuracy of cargo information and authenticity are guaranteed.
Owner:BEIJING KESIYUAN TECH
Test platform and method of robot navigation system, storage medium and electronic equipment
ActiveCN112212892AEasy to optimize and improveIncrease profitInternal combustion piston enginesMeasurement devicesSimulationControl engineering
The invention provides a test platform and method of a robot navigation system, a computer storage medium and electronic equipment. The test platform comprises an omni-directional moving platform, wherein the omni-directional moving platform is provided with a mounting surface for placing a robot, the robot comprises a body and wheels arranged under the body, the robot is arranged on the mountingsurface, and the wheels can move on the mounting surface; the omni-directional moving platform converts the movement of the wheels into relative movement of the omni-directional moving platform and obtains the relative displacement and the relative course angle of the movement of the robot; the test platform also comprises a fixing bracket which is connected with the body so as to fix the body onthe mounting surface within a preset range, and a modeling module which is connected with the omni-directional moving platform and the robot, wherein the modeling module is used for drawing a robot model and arranging a test obstacle according to a navigation sensor and an obstacle avoidance sensor of the robot. According to the platform provided by the embodiment of the invention, the test land occupation is small, the cost is saved, and the data of the robot can be fed back and recorded in real time for research personnel to analyze.
Owner:广州高新兴机器人有限公司
dmac recycling physical index optimization system
ActiveCN104043260BGood yieldAchieve recyclabilityCarboxylic acid amide separation/purificationFractional distillationDistillationPulp and paper industry
The invention relates to a DMAC recycling physical property index optimization system, which belongs to the technical field of spandex production. Including dehydration tower, crude solvent tank, refining tower, distillation tank supply tank and recovery tower, the dehydration tower is connected to the feed pipe, the bottom of the dehydration tower is connected to the middle of the refining tower through the crude solvent tank, and the bottom of the refining tower is connected to the recovery tank through the distillation tank supply tank The bottom of the tower is connected; the middle part of the dehydration tower is connected to a preheater, and the top is connected to a condenser one and a cryocooler one; the top of the refining tower is connected to a condenser two and a cryocooler two; the top of the recovery tower is provided with a condenser three , the condenser three is provided with a condensate receiving tank three, and the top of the condenser three is provided with a vacuum pump three. Adopting the invention to recover DMAC in the spandex production process not only ensures the normal operation of the DMAC rectification system, but also greatly improves the yield and physical property index of the recovered DMAC.
Owner:ZHEJIANG KAIPUTE SPANDEX
A system and method for monitoring dangerous behaviors of escalator passengers based on visual analysis
ActiveCN110188644BQuick DisposalReal-time video surveillanceCharacter and pattern recognitionStreaming dataSimulation
A system for monitoring dangerous behaviors of escalator passengers based on visual analysis, including a video access module, an intelligent data acquisition module and a cloud platform. The intelligent data acquisition module includes a video acquisition module, an algorithm calculation module, and a video stream storage module; the video stream storage module collects The video stream data of the video access module, and transmit the video stream data to the algorithm calculation module. The algorithm calculation module analyzes and calculates the collected video stream data to obtain the analysis results, and stores the analysis results in the video according to different data contents. Stream storage module and cloud platform. The present invention proposes a system and method for monitoring dangerous behaviors of escalator passengers based on visual analysis, which can accurately identify the behaviors of people and objects on the escalator, and make early warnings to achieve the function of reminder and prevention, and reduce the occurrence of escalator accidents.
Owner:安脉盛智能技术(广东)有限公司
A mixed working medium containing monofluoroethane and trifluoroethylene
ActiveCN111849420BReduced greenhouse effect potentialPromote environmental protectionChemical industryHeat-exchange elementsThermodynamicsEngineering
A mixed working medium containing monofluoroethane and trifluoroethylene belongs to the field of power engineering and engineering thermophysics. It consists of trifluoroethylene as a first component, monofluoroethane as a second component, and must be mixed with one or both other compounds. When forming a ternary mixture, any one of pentafluoroethane, difluoromethane, trifluoroiodomethane, and hexafluoropropylene needs to be added; when forming a quaternary mixture, it is necessary to add pentafluoroethane, difluoromethane, trifluoro Two of methyl iodide, hexafluoropropylene, propane, and dimethyl ether, but not any two of propane, dimethyl ether, and difluoromethane at the same time. Compared with R-404A, the multi-component mixed working medium proposed by the present invention has significantly reduced greenhouse effect potential. Its condensing pressure is equivalent to that of R-404A, and it has the technical advantage of continuing to use the main related systems or components of current R-404A. Compared with R‑404A, it has stronger thermal conductivity and smaller flow resistance, which is conducive to further optimization and improvement of heat exchangers. Its refrigeration cycle performance coefficient is higher than that of R-404A, which has energy-saving significance.
Owner:DALIAN UNIV OF TECH
Device and method for testing ablation resistance of fluid director
PendingCN111982957AEasy to operateHigh simulation fidelityInvestigating abrasion/wear resistanceInvestigating phase/state changeControl signalData acquisition
The invention discloses a device and a method for testing ablation resistance of a fluid director, the device comprises a rack, a gas generator is arranged in the middle of the rack, the fluid director and a test bench for supporting the fluid director are arranged right below the gas generator, and a plurality of temperature sensors are arranged on the fluid director; a plurality of pressure sensors are arranged between the periphery of the bottom of the fluid director and the top of the test bed, signal output ends of the temperature sensors and the pressure sensors are respectively connected with a signal input end of an external control center, and a control signal input end of the gas generator is connected with a control signal output end of the control center. The device for testingthe ablation resistance of the fluid director is simple in structure, convenient to use, high in simulation trueness, convenient in data acquisition and capable of well meeting test requirements.
Owner:湖北三江航天江北机械工程有限公司
Movement mechanism for linear multidigit ionization chamber
ActiveCN101839993BHigh positioning accuracyStrong reliabilityX/gamma/cosmic radiation measurmentIonization chamberEngineering
Owner:江苏海明医疗器械有限公司
High-precision multichannel analog signal source
InactiveCN101701971BShorten the development and design cycleSimple structureBase element modificationsSignal conditioning circuitsAs Directed
The present invention relates to the field of electronic tests, in particular to a high-precision multichannel analog signal source which meets the requirement for an analog signal source in the current field of electronic tests. The analog signal source comprises a logic control unit, a memory and a waveform output circuit, wherein the waveform output circuit comprises a D / A converting circuit, a signal conditioning circuit, a multichannel change-over switch and a plurality of paths of analog signal output modules; and a recovery test circuit is arranged between the output end of the waveform output circuit and the logic control unit. The invention can independently output waveform analog signals, such as direct current, rectangular waves, and the like and provide high-precision analog signals in various waveforms for a performance test of a tested device; the output precision of the direct current signal can reach + / -0.0.5 percent FS and the establishing time of the rising edge of the rectangular wave is smaller than 200ns, thereby meeting the requirement during carrying out a channel bandwidth test on high-end electronic products, such as a telemetering programming device and other aerospace telemetering equipment; and the high-precision multichannel analog signal source of the present invention also has the advantages of simple and reasonable structure, stable performance and high validity and reliability of the signals.
Owner:ZHONGBEI UNIV
Performance test device and test method
ActiveCN114755580ASimple structureEasy to useManufacturing dynamo-electric machinesDynamo-electric machine testingElectric machineControl system
The invention relates to a performance test device and test method for simulating and testing a linear motor, the performance test device comprises a driving motor, a rotor simulation mechanism, a stator simulation mechanism and a measurement and control system, the rotor simulation mechanism comprises a magnet assembly and a turntable drivably connected with the driving motor; the driving motor is used for driving the turntable to drive the magnet assembly to rotate so as to simulate the rotor assembly of the linear motor; the stator simulation mechanism comprises a mounting bracket, a silicon steel body arranged on the mounting bracket and a plurality of coil windings arranged on the silicon steel body, and the plurality of coil windings are arranged on the peripheral side of the turntable in an arc shape by taking the center of the turntable as an arc center and are used for simulating a stator assembly of the linear motor; the measurement and control system comprises a driving controller which is in communication connection with the driving motor, and the driving controller is used for controlling the driving motor to work and obtaining parameter data of the driving motor so as to calculate simulation performance parameters of the linear motor.
Owner:NINGBO INST OF MATERIALS TECH & ENG CHINESE ACADEMY OF SCI
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