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66results about How to "Improve function scalability" patented technology
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System and method for detecting quality of metal cap based on machine vision
InactiveCN102192911AImprove function scalabilityEasy to operateOptically investigating flaws/contaminationUsing optical meansImaging processingMachine vision
The invention relates to a system and method for detecting the quality of a metal cap based on machine vision, used for detecting the quality defect of the metal cap and rejecting the inferior quality product. The detection system comprises an optical imaging device, an image processing device, a rejecting device and a conveying belt, wherein the optical imaging device comprises a planar array industrial camera, a first optical detection sensor and a light source; the image processing device is used for processing the image; and the rejecting device comprises a control circuit board, a second optical detection sensor, a solenoid valve and an injection tube. The method for detecting the quality of the metal cap based on machine vision comprises the following steps of: acquiring an interested maximum outline scale of a template cap image; establishing a rotational invariance characteristic template matrix for the template cap image; acquiring a round outline of the cap to be detected according to the interested maximum outline scale; calculating the rotational invariance characteristic matrix in the coverage of the round outline of the cap to be detected; and matching the rotational invariance characteristic matrix with the rotational invariance characteristic template matrix, so as to judge whether the cap to be detected is a qualified product or an inferior product.
Owner:INST OF AUTOMATION CHINESE ACAD OF SCI
Intelligent method and device for controlling elevator based on distributed multipath CAN bus
An intelligent elevator controlling method and device based on distributed multi-channel CAN bus is disclosed. Said device is composed of a cluster operating controller, single-elevator controllers communiated with said cluster operating controller via CAN bus, and the cage controllers, floor calling controllers, LCD controllers and speech floor reporting controllers respectively for each of elevators. Its control method is also disclosed.
Owner:WUHAN UNIV OF TECH +1
Communication protocol adapting method and system
ActiveCN102594833AGuaranteed to be reusableExtended processing timeTransmissionXML ProtocolNetwork Communication Protocols
The invention provides a communication protocol adapting method and system. Workflow and initial operational capability (IOC) thought are used in the method and the system; a component scheduling controller schedules corresponding components for protocol resolving according to the type of each request; and the scheduling is set through a configuration file, the related components are integrated and scheduled for resolving each component of an adapting protocol according to a responsibility chain mode one by one, the scheduling of the components is realized through an extensive makeup language (XML) configuration template, class files are automatically generated through the formulated XML configuration template, the generated class files are instantiated into objects during communication protocol adapting, protocols of a peripheral platform are dynamically injected into attributes of the objects, and the objects storing data are assembled to generate a message of an XML protocol. By the method and the system, manual operation is reduced, the production efficiency of daily development is improved, the performance of the system is improved, the function expansibility is enhanced, and a fundamental framework is made for realizing automatic adapting of the communication protocols.
Owner:北京思特奇信息技术股份有限公司
Pyramid-lattice metal sandwich plate and preparation method thereof
InactiveCN102765225AHigh specific strengthGood mechanical propertiesLamination ancillary operationsAdhesive processes with surface pretreatmentManufacturing cost reductionMetal
The invention discloses a pyramid-lattice metal sandwich plate and a preparation method of the pyramid-lattice metal sandwich plate, wherein a pyramid-lattice metal core body and a metal panel are adhered and compounded through epoxy glue to prepare an ultra-light porous material. The invention provides the preparation method of the pyramid-lattice metal sandwich plate adhered by the epoxy glue. Compared with the welding structure, the adhered pyramid-lattice metal sandwich plate has the advantages of being capable of reducing the manufacturing cost, reducing the residual stress during connection, improving corrosion and fatigue resistance and damping performance at the connection position, and effectively exerting performances of light weight, high ratio strength and high ratio rigidity, and can be widely applied to the fields such as communication and transportation and architectural decoration.
Owner:XI AN JIAOTONG UNIV
Base Unit for Dual Wiring System
InactiveUS20080196936A1Good function expandabilityEasy exchangeabilityElectromagnetic wave systemDigital data processing detailsElectric power systemEngineering
A base unit suitable to improve easy exchangeability of a function unit in a dual wiring system is provided. The base unit is mounted in a wall surface of a structure, and connected to both of an electric power line and an information line previously installed in the structure. The base unit has a module port, which is detachably connected to a module connector of the function unit to simultaneously establish both of supplying the electric power from the base unit to the function unit, and making a signal transmission between the base unit and the function unit, thereby enabling the function unit to provide at least one of functions for supplying electric power from the electric power line, outputting information from the information line and inputting information into the information line when connected with the base unit.
Owner:MATSUSHITA ELECTRIC WORKS LTD
Automatic container lockhole identifying-positioning method and system
InactiveCN105069420ALow costHigh precisionImage analysisCharacter and pattern recognitionComputer scienceVideo camera
The invention discloses an automatic container lockhole identifying-positioning method and system. A camera collects an image, a container lockhole in the image is positioned, a device coordinate system is obtained and then transmitted to a controller for subsequent control processing, a controller positions the device according to a given position, and a container is grabbed if the position is effective and safe. The method and system can improve the positioning precision, reduce the positioning cost and can expand functions according to requirements.
Owner:SHANGHAI ZHENHUA HEAVY IND
Video processing method and device, electronic equipment and computer readable storage medium
ActiveCN111629252AImprove experienceMeet needsElectronic editing digitised analogue information signalsCarrier indicating arrangementsComputer graphics (images)Video processing
The invention provides a video processing method and device, electronic equipment and a computer readable storage medium. The method comprises the steps of receiving a to-be-processed video; displaying a preview image of the to-be-processed video on a display interface through a video preview area, displaying an editing track of the to-be-processed video through a track editing area, and displaying at least one processing function through a processing function navigation area; and when a trigger operation for any processing function is received, displaying a preview image of the video processed by the processing function in the video preview area, and displaying an editing identifier corresponding to the processing function in the track editing area, the editing identifier and the editingtrack of the to-be-processed video being displayed in the track editing area in an overlapping manner. According to the scheme, picture preview, track editing and processing function navigation in thevideo processing process are partitioned, and a reasonable linkage mechanism is set, so that rich processing functions can be simply and conveniently obtained when a user uses the scheme to process the video, and the user experience is improved.
Owner:BEIJING BYTEDANCE NETWORK TECH CO LTD
Ultrasonic nondestructive detection characteristic imaging system based on LabVIEW
InactiveCN105067705ASimple structureImaging is powerfulAnalysing solids using sonic/ultrasonic/infrasonic wavesSpecial data processing applicationsSoftware systemData acquisition
The present invention relates to an ultrasonic nondestructive detection characteristic imaging system based on LabVIEW. The system comprises a hardware part and a software part, wherein the hardware part comprises an industrial personal computer, a high-speed data acquisition card, an ultrasonic pulse transmitting and receiving device and the like, and the software part comprises a synchronous control module, a movement control module, a waveform data acquisition module, a characteristic value calculation module and the like. With the system, the scanning signal A of the ultrasonic C type scanning process can be recorded, and the ultrasonic detection characteristic value can be automatically solved according to the scanning signal A; and the B type ultrasonic imaging and the C type ultrasonic imaging are performed according to the characteristic value, such that the defect shape, the defect size, the defect position, the material structure uniformity and other important non-destructive detection information can be intuitively displayed, and the chromatographic detection on the material defect and the non-uniformity can be achieved. According to the present invention, the system uses the modular construction way, has characteristics of simple structure, powerful imaging function, strong functional scalability and simple operation, and provides the powerful hardware and software system for the ultrasonic nondestructive detection of the material.
Owner:NANCHANG HANGKONG UNIVERSITY
Intelligent jumping toy car and preparation method thereof
InactiveCN104524781ACompact processReasonable structureRemote-control toysToy vehiclesElectrical connectionControl theory
The invention discloses a preparation method of an intelligent jumping toy car. The preparation method includes the steps: (1) preparing a main shell; (2) preparing a jumping mechanism; (3) preparing a main control circuit board. The main shell comprises a sliding mechanism and a driving mechanism, the sliding mechanism is mounted on the main shell and connected with the driving mechanism of the main shell, the jumping mechanism is mounted at the tail of the main shell and comprises a spring ejection mechanism, an angle is formed between the jumping mechanism and a contacting surface, the spring ejection mechanism is mutually matched with the gravity of a car body, so that the car body can jump forwards or upwards, the main control circuit board is electrically connected with mechanical mechanisms, driving signals are processed and transmitted by the main control circuit board, and the mechanical mechanisms drive the car body to move according the driving signals. The invention further discloses the intelligent jumping toy car. The intelligent jumping toy car can jump forwards or upwards by the aid of the jumping mechanism, a smart phone is sufficiently used, and interaction functions are enriched.
Owner:GUANGDONG YINRUN IND
Visual information processing system and method
ActiveCN107613262AFlexible handlingImprove function scalabilityTelevision system detailsColor television detailsVisual functionImage post processing
The invention provides a visual information processing system and method. The system comprises a camera module, a control module and a calculation module connected with the control module through a high-speed data bus, wherein the camera module comprises one or more cameras used for collecting image information; the control module comprises an image receiving sub module used for receiving target image information collected from the one or more cameras, and an image preprocessing sub module used for performing image preprocessing on the target image information; and the calculation module comprises an image post processing sub module used for performing image post processing on the target image information subjected to the image preprocessing. Compared with the prior art, the visual information processing system and method have the advantages of realizing the integrated processing of multiple visual functions, ensuring more flexible visual information processing, having higher functionexpansibility and effectively reducing the equipment deployment cost on the whole.
Owner:UISEE TECH BEIJING LTD
Function Unit for Dual Wiring System
InactiveUS20090051505A1Improve function scalabilityEasy exchangeabilityCoupling device connectionsElectric signal transmission systemsElectric power systemComputer module
A function unit having easy exchangeability in a dual wiring system is provided. The function unit is detachably connected to a gate device mounted in a wall surface of a structure, and connected to both of an electric power line and an information line previously installed in the structure. The function unit has at least one of functions for supplying electric power from the electric power line, outputting information from the information line and inputting information into the information line when connected with the gate device. The function unit has a module connector, which is configured to simultaneously establish both of supplying the electric power from the gate device to the function unit, and making a signal transmission between the gate device unit and the function unit when connected to a module port formed at the gate device. To improve function expandability, an additional function unit may be detachably connected to the function unit.
Owner:PANASONIC CORP
Agricultural greenhouse monitoring system and monitoring method thereof
ActiveCN103645704ATightly boundEfficient use ofProgramme total factory controlInformation transmissionGreenhouse
The invention provides an agricultural greenhouse monitoring system and a monitoring method thereof, wherein the monitoring system and the monitoring method are used for monitoring environment parameter information of an agricultural greenhouse in real time. The agricultural greenhouse monitoring system comprises: a monitoring terminal, which is used for monitoring environment parameter information of the agricultural greenhouse in real time; a wireless serial port, which is connected with the monitoring terminal and is used for carrying out packaging processing on the received environment parameter information; a mobile phone platform, which is connected with the wireless serial port and is used for determining whether the environment parameter information is abnormal; and a remote server, which is connected with the mobile phone platform and is used for carrying out information transmission by a wireless communication way. According to the invention, the agricultural platform and the mobile phone network are combined closely and the display function of the mobile phone itself is well utilized; and the cost is lowered.
Owner:DALIAN UNIV
Semi-active laser detection method and system
ActiveCN109631673AResolve separationSolve the costAiming meansElectromagnetic wave reradiationSemi activeOptoelectronics
The invention discloses a semi-active laser detection method and system. The method comprises the steps that a laser reflection signal of a guided weapon attack target is collected and converted intoa first voltage signal; the first voltage signal is adjusted into a second voltage signal through a gain value of an automatic gain control amplification circuit; whether the collected laser reflection signal is valid or not is determined according to the second voltage signal; the second voltage signal is converted into a digital signal through A / D conversion on the condition that it is determined that the collected laser reflection signal is valid; and lastly, the yaw angle and the pitch angle of the attack target are calculated according to the digital signal, and the position of the attacktarget is determined. According to the semi-active laser detection method and system, the technical problems that in the related technology, components in a strapdown laser seeker detection assemblyare discrete and high in cost are solved, and the technical effects of being simple in structure, low in cost and good in compatibility are achieved.
Owner:北京航天飞腾装备技术有限责任公司
Telescopic type flexible rectangular pyramid sandwich structure for underwater explosion energy dissipation
InactiveCN106969678AHigh specific strengthImprove mechanical propertiesBlastingUnderwater explosionNetwork structure
The invention discloses a telescopic type flexible rectangular pyramid sandwich structure for underwater explosion energy dissipation. The structure is characterized by comprising two metal panels, multiple semispherical nodes arranged on the opposite surfaces of the two metal panels and sandwich rods. The semispherical nodes are steel hemispheres. The spherical face of each semispherical node is provided with four symmetrical connection points. One ends of the four sandwich rods are connected with the connection points on one semispherical node on one metal panel, and a rectangular pyramid unit with the semispherical node as the vertex is formed. The other ends of the four sandwich rods are connected with the connection points on the four semispherical nodes on the other opposite metal panel, and the four semispherical nodes on the other opposite metal panel are used as new vertexes to form a new rectangular pyramid unit with the other three sandwich rods. The operation is cycled and repeated till a rectangular pyramid network structure is formed between the two metal panels. According to the telescopic type flexible rectangular pyramid sandwich structure, the structure is simple and stable, and the damping and shock resistance are greatly improved through the simple structure.
Owner:WUHAN UNIV
Impact wave composite energy dissipation protection device
InactiveCN106881921ARealize the combinationEfficient couplingMetal layered productsFiberCarbon fibers
The invention discloses an impact wave composite energy dissipation protection device, which comprises a reflection energy dissipation layer and a polygonal pyramid sandwich layer, wherein the reflection energy dissipation layer is made into a flat plate shape by hard materials; the polygonal pyramid sandwich layer comprises an upper carbon fiber panel, a lower carbon fiber panel and a plurality of sandwich rod repeating units arranged between the two carbon fiber panels; each sandwich rod repeating unit comprises at least three sandwich rods; one ends of a plurality of sandwich rods of each sandwich rod repeating unit are fixedly connected with the upper carbon fiber panel to form a connecting node; the other ends of the plurality of sandwich rods of each sandwich rod repeating unit are radically and fixedly connected with the lower carbon fiber panel to form a second connection point; the connection is repeated in such a way until the sandwich rod repeating units are uniformly distributed between the two carbon fiber panels to form a polygonal pyramid network. The impact wave composite energy dissipation protection device has the advantages that through compounding the multilayer energy dissipation structure, the energy dissipation absorption on impact waves with different wave lengths can be realized; the buffer effect on the impact wave energy is enhanced.
Owner:WUHAN UNIV
Motherboard and server
ActiveCN107301151AImprove function scalabilityAssociative processorsProgram loading/initiatingComputer scienceMotherboard
The invention provides a motherboard and a server. The motherboard comprises a motherboard body, a preset quantity of Purley platform central processing units and at least one memory. The Purley platform central processing units and the memories are mounted on the motherboard body; the Purley platform central processing units are sequentially connected with one another; each memory is connected with one of the Purley platform central processing units; each memory is used for transmitting externally inputted to-be-burned data to the Purley platform central processing unit connected with the memory when the externally inputted to-be-burned data are received; each Purley platform central processing unit is used for burning the corresponding to-be-burned data when the to-be-burned data transmitted by the corresponding memory connected with the Purley platform central processing unit are received, so that the motherboard can have functions corresponding to the to-be-burned data. According to the scheme, the motherboard and the server have the advantage that the functional expansibility of the motherboard can be improved.
Owner:SUZHOU LANGCHAO INTELLIGENT TECH CO LTD
Peripheral equipment power management method and system of mobile terminal
InactiveCN103150152AReduce couplingImprove function scalabilitySpecific program execution arrangementsElectricityCoupling
The invention discloses a peripheral equipment power management method and a peripheral equipment power management method system of a mobile terminal. Unified management is performed on peripheral equipment power through a power supply module, and an example of the power supply module is obtained through a framework interface function of a hardware abstraction layer; a power supply controller is turned on through the example of the power supply module; an example of peripheral equipment in the power supply controller is obtained; and the example of the peripheral equipment is invoked to electrify the peripheral equipment. According to the method and the system, through modular management of the power supply peripheral equipment, the portability of the system is greatly improved, and the unified management is performed on a framework of the hardware abstraction layer through the system, so that the standard can be directly used for packaging the power supply module, a power supply chip is modularized, and the coupling degree of the module is reduced.
Owner:GUANGDONG NUFRONT COMP SYST CHIP
Virtual debugging system for intelligent manufacture
InactiveCN110597162AImprove function scalabilityReduce complexityProgramme control in sequence/logic controllers3D modellingReal time acquisitionData acquisition module
A virtual debugging system for intelligent manufacture is mainly composed of industrial control equipment, a PC client, a Redis database module and a simulation module, wherein the industrial controlequipment comprises an industrial robot system, a PLC, a CNC lathe and a machining center controller; the PC client comprises data acquisition module and an interactive interface module; the PC clientmakes each equipment driver into a plug-in based on the OSGI.NET plug-in framework, collects the signals and data of the industrial control equipment in real time, and storages the data in the Redisdatabase; the PLC and NC equipment perform signal interaction through the database; the simulation module reads the data in the database through the Python program to drive the robot and machine modelfor processing; at the same time, the status information of the model is also stored in the Redis database; and the PC client reads the status information of the model in the Redis database in real time and writes the same to the PLC, so that the conditions in the PLC are met to schedule the robot, CNC lathe and machining center to perform tasks to achieve the fusion of reality and reality, whichcan verify the feasibility of intelligent manufacture solutions.
Owner:ZHEJIANG UNIV OF TECH
Data-pipeline-based interprocess communication implementation method under KUX system
InactiveCN104375900AImprove securityImprove accuracyInterprogram communicationReal-time computingFile management
The invention provides a data-pipeline-based interprocess communication implementation method under a KUX system, and relates to the field of interprocess communication modes in the field of UNIX and KUX operating systems. The data-pipeline-based interprocess communication implementation method under the KUX system is mainly divided into a process management module (1), a data pipeline module (2), a communication control module (3), a file management module (4) and an exception handling module (5). The method completes communication between processes, with the genetic relationship, under the KUX system effectively by use of the modular thought, communication is achieved in an anonymous pipeline mode, and management and protection of pipeline files are enhanced. In addition, the exception handling module is additionally arranged, so that a whole communication system is not likely to crash when exceptions occur.
Owner:LANGCHAO ELECTRONIC INFORMATION IND CO LTD
Multi-specialty collaborative design system and collaborative design method based on main model
ActiveCN107944123AImprove design efficiencyImprove reliabilityDesign optimisation/simulationOffice automationNetwork packetData source
The invention relates to a multi-specialty collaborative design system and collaborative design method based on a main model. The collaborative design system includes a main-model modeling module, a collaborative data management module, a message notification module and a data extraction module. The main-model modeling module realizes establishment of a structure of the main model and data pedigree relationships. The collaborative data management module realizes effective management of unified data sources. The message notification module realizes timely notification of data package version and technology status change information. The data extraction module realizes automated data extraction which can be flexibly configured. At the same time, the multi-specialty collaborative design system and method of the invention are mainly oriented to an overall-parameter-class specialty, quickly realize functions of uploading and sending-down of messages among specialties, importing and exporting of data, submitting and examination and approval of data, specialty data and technology status browsing, effective tracing of historical schemes and the like, and significantly improve multi-specialty collaborative design efficiency and reliability.
Owner:BEIJING INST OF ASTRONAUTICAL SYST ENG +1
Force-feedback input device
InactiveUS7154472B2Easy to operateQuick changeInput/output for user-computer interactionComputer controlData managementEngineering
A force-feedback input device includes an operation section to be operated by an operator; a position detection section for detecting the operating state of the operation section; a force-feedback generation section for applying force feedback to the operation section; an external device, and a haptic commander for controlling the driving of the force-feedback generation section on the basis of position information output from the position detection section and part data transmitted from the external device, and applying predetermined force feedback to the operation section according to the operating state thereof. The haptic commander includes a part data storage section for storing the part data transmitted from the external device, and a part data management table for managing the enabled and disabled states of each piece of the part data stored in the part data storage section.
Owner:ALPS ALPINE CO LTD
Fur ball removing machine convenient to clean
PendingCN112244734AEasy to rinseSimple structureMechanical cleaningPressure cleaningStructural engineeringIndustrial engineering
The invention discloses a fur ball removing machine convenient to clean, which comprises a shell used for being held and a main machine used for removing fur balls, the shell comprises an installationcavity with an opening, the main machine is detachably installed in the installation cavity through the opening, a sealing cavity and a temporary storage cavity are formed in the main machine, and acutter and a fan are arranged in the temporary storage cavity. The sealing cavity is used for cutting and sucking fur balls, and a driving structure is arranged in the sealing cavity and used for driving the cutter and the fan; the main machine comprises a front cover, and the front cover is arranged to be detachable and can be used for opening the temporary storage cavity. The structure of the fur ball removing machine is improved, so that replaceability of the fur ball removing function and other functions of the fur ball removing machine is achieved, and meanwhile a more convenient water cleaning structure is achieved.
Owner:FOSHAN SHUNDE DEERMA ELECTRIC APPLIANCES CO LTD
Active navigation positioning device and navigation positioning method of aircraft
ActiveCN108415027ALow costReduce power consumptionElectromagnetic wave reradiationLaser rangingAircraft landing
The invention relates to a laser-ranging-communication-based active navigation positioning device and navigation positioning method of an aircraft. The device comprises a laser ranging communication scanning device arranged at an aircraft and a plurality of reference-position navigation response devices arranged at an airport runway or a landing area. The device is characterized in that the aircraft serving as a laser active transmitting end transmits coded laser; and the navigation response devices employ a passive response mode to provide reference coordinates for the aircraft. The passive response devices do not provide navigation reference coordinates until the coordinates are needed and identity information is met, so that power consumption is reduced and the good concealing performance is realized. The active navigation positioning device and navigation positioning method can be applied to aircraft landing fields having the high concealing requirement and having no attendance orGPS signal.
Owner:SHANGHAI INST OF OPTICS & FINE MECHANICS CHINESE ACAD OF SCI
Intelligent method and device for controlling elevator based on distributed multipath CAN bus
An intelligent elevator controlling method and device based on distributed multi-channel CAN bus is disclosed. Said device is composed of a cluster operating controller, single-elevator controllers communiated with said cluster operating controller via CAN bus, and the cage controllers, floor calling controllers, LCD controllers and speech floor reporting controllers respectively for each of elevators. Its control method is also disclosed.
Owner:WUHAN UNIV OF TECH +1
Work management engine method and device based on business requirements
InactiveCN110084525AQuickly assembled to meet individual needsAssembled to meet individual needsSemi-structured data retrievalResourcesBusiness requirementsXML
The invention belongs to the field of finance, and particularly relates to a financial work management engine method and device based on business requirements. The device comprises a process templateconfiguration unit used for configuring a process template XML of a service scene according to a predefined XML process element; a template element detection unit used for checking whether an elementof the flow template XML is legal or not and checking whether the flow torsion logic is correct or not by the engine device; and a template storage unit used for storing relevant configuration information such as the flow template configuration, the torsion configuration logic and the like in the database flow release unit and releasing the flow template online. The invention has the advantages ofsimple operation, personalized customization and multiple functions.
Owner:重庆天蓬网络有限公司
Electric smart car electrical system with centralized architecture controller and redundant power supply
ActiveCN105857102BAddressing Redundancy RequirementsImprove securityElectric devicesElectric powerElectrical batteryActuator
Owner:TONGJI UNIV
Sounding rocket flight control system with attitude adjustment function
PendingCN109144089AWork reliablyReduce development costsAttitude controlPosition/course control in three dimensionsSounding rocketElectronic control system
The invention relates to a sounding rocket flight control system with an attitude adjustment function, which comprises a main control module, a power supply voltage stabilization module, an ignition module, an attitude adjustment module, a data transmitting and receiving module, an insurance module and a lower computer, wherein the power supply voltage stabilization module, the ignition module, the attitude adjustment module and the data transmitting and receiving module are connected with the main control module, and the lower computer is connected with the data transmitting and receiving module. The sounding rocket flight control system is stable, reliable, low in development cost and high in function expansibility. Compared with the existing small sounding rocket electronic control system, the sounding rocket flight control system adds an attitude adjustment function, can adjust the flight trajectory automatically / manually or compensate disturbance caused by the external environmentthrough the data transmitting and receiving module and the lower computer in the flying process, and is high in adaptability. In addition, 5V voltage is provided for the system through the power supply voltage stabilization module, the safe operation of the system is guaranteed through the insurance module, and the system can carry out response adjustment according to the amplitude of the shakingX and Y axes through two external steering engines.
Owner:WUYI UNIV
Electronic type low-pressure distribution transformer fuse case capable of simulating various fuse characteristic curves
InactiveCN103247998ARealize the protection functionAvoid defects that are prone to aging failureArrangements responsive to excess currentDistribution power systemSmart grid
An electronic type low-pressure distribution transformer fuse case capable of simulating various fuse characteristic curves belongs to the field of emergent protection devices, and comprises a mutual inductor group, circuit breaker switches and a control unit all arranged in a case body, wherein the control unit compares the absolute values of the load current values of various phases of a major loop or the variation trend of load current of the various phases with a settled value of an inverse-time characteristic curve of the fuse, performs the 'trip' or the 'closing' operation control for the circuit breaker switches, outwards outputs the circuit load current, the state of circuit breaker switch and internal environment parameters of the low-pressure distribution transformer fuse case in a digital signal form, remotely transmits the circuit load current, the state of circuit breaker switch and the internal environment parameters of the low-pressure distribution transformer fuse case to a host computer, and is subjected to the remote control by the host computer. The fuse case is suitable for power supply circuits of different standards of fuses, can greatly reduce the purchasing supply amount and storehouse storage of fuse products, reduces the comprehensive running cost, realizes the intelligent upgrade of products, meets the running requirements of an intelligent power grid, and can be widely applied to the field of the intelligent control of a low-pressure power transformation and distribution system.
Owner:STATE GRID CORP OF CHINA +2
Electronic type low-pressure distribution transformer fuse case provided with inverse-time characteristic
InactiveCN103248001ARealize the actual circuit protection functionAvoid defects that are prone to aging failureEmergency protective arrangements for automatic disconnectionSmart gridLoad following power plant
An electronic type low-pressure distribution transformer fuse case provided with an inverse-time characteristic belongs to the field of emergent protection devices, and comprises a circuit overload protection module arranged in a case body, wherein the circuit overload protection module comprises a mutual inductor group, circuit breaker switches and a control unit; the mutual inductor group is connected in series with a three-phase major loop, is used for measuring the load current values of various phases of the major loop in a real-time manner and sending the measured result to the control unit; the circuit breaker switches are used for switching on / off a three-phase circuit of the major loop under the control of the control unit; the control unit compares the absolute values of the load current values of the various phases of the major loop or the variation trend of the load current of the various phases with an inverse-time characteristic curve, performs the 'trip' operation control for the circuit breaker switches, and remotely transmits the circuit load current and the states of the circuit breaker switches to a host computer in a digital signal form. According to the invention, the fuse case realizes the intelligent upgrade of products, meets the operation requirements of an intelligent power grid, and can be widely applied to the field of the intelligent control of a low-pressure power transformation and distribution system.
Owner:STATE GRID CORP OF CHINA +2
System for detecting quality of metal cap based on machine vision
InactiveCN102192911BImprove function scalabilityEasy to operateOptically investigating flaws/contaminationUsing optical meansMachine visionImaging processing
The invention relates to a system and method for detecting the quality of a metal cap based on machine vision, used for detecting the quality defect of the metal cap and rejecting the inferior quality product. The detection system comprises an optical imaging device, an image processing device, a rejecting device and a conveying belt, wherein the optical imaging device comprises a planar array industrial camera, a first optical detection sensor and a light source; the image processing device is used for processing the image; and the rejecting device comprises a control circuit board, a second optical detection sensor, a solenoid valve and an injection tube. The method for detecting the quality of the metal cap based on machine vision comprises the following steps of: acquiring an interested maximum outline scale of a template cap image; establishing a rotational invariance characteristic template matrix for the template cap image; acquiring a round outline of the cap to be detected according to the interested maximum outline scale; calculating the rotational invariance characteristic matrix in the coverage of the round outline of the cap to be detected; and matching the rotational invariance characteristic matrix with the rotational invariance characteristic template matrix, so as to judge whether the cap to be detected is a qualified product or an inferior product.
Owner:INST OF AUTOMATION CHINESE ACAD OF SCI
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