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49results about How to "Troubleshoot quickly" patented technology
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Data center based fault alarming method, apparatus, management device and system
The application discloses a data center based fault alarming method, apparatus, management device and system. A specific embodiment of the method comprises: in response to a fault message, determining the position of a fault device; obtaining a fault level of the fault device; searching for an indicator lamp corresponding to the position of the fault device; determining an alarming level of the indicator lamp according to the fault level; and controlling the indicator lamp to give an alarm by the alarming level through a network interface. According to the embodiment, the position of the fault device can be positioned visually and effectively, so that the fault positioning accuracy of a data center is improved and the fault positioning speed of the data center is increased.
Owner:BEIJING BAIDU NETCOM SCI & TECH CO LTD
Computer network emergency response safety strategy generating system
InactiveCN1655526AQuick buildImprove survivabilityData switching networksHandling systemSecurity policy
This invention discloses one computer emergency responding safety strategy generation system, which is characterized by the following: the module starting and receiving the attack affair information and transferring the pre-set definition information in the database; then comparing the attack affair information with the attack affair in the database to determine responding means assembly A for analysis and filtering; finally the module choosing the responding means with highest integration parameter to make the final responding means.
Owner:上海三零卫士信息安全有限公司
Data network quality piecewise detection method and system based on service content
ActiveCN106713074AConvenient fault locationEasy maintenanceData switching networksService informationDistributed computing
The invention relates to a data network quality piecewise detection method and system based on service information. The method comprises the steps of S1, setting an atom probe at each network element in a data network; S2, deploying an atom probe controller in the data network and connecting the atom probe controller with the atom probe of each network element in the data network with an independent channel; S3, setting an information management platform and connecting the information management platform with the atom probe controller; and S4, carrying out piecewise detection on the quality of the data network by sending a detection command to each network element in the data network through the atom probe controller. The system comprises the atom probes, the atom probe controller and the information management platform. According to the data network quality piecewise detection method and system based on the service information provided by the invention, the quality detection is carried out on the data network through utilization of the atom probe connected with each network element in the data network; the whole data network is dived into a plurality of sublinks; the quality detection based on service is carried out on each sub-link; and a maintainer can position a fault in the data network conveniently.
Owner:GUIZHOU POWER GRID INFORMATION & TELECOMM
Resistance-calculation-based fault diagnosis method for photovoltaic string
ActiveCN108092622ARealize online automatic diagnosisLittle influence on power generation statusPhotovoltaic monitoringPhotovoltaic energy generationElectrical resistance and conductanceDiagnosis methods
The invention, which belongs to the field of photovoltaic power generation, provides a resistance-calculation-based fault diagnosis method for a photovoltaic string. The method comprises: step one, data point sampling is carried out by means of voltage modulation, series and parallel resistors of the string are calculated, and relevant data are uploaded to a data analysis platform; step two, datachanging rules and features of the series and parallel resistors are extracted, a fault type determination and degree assessment model is established, and then comparison and analysis are carried outon the series and parallel resistors of the string, so that fault type determination and degree assessment of the string are carried out; step three, according to a fault diagnosis result, a fault report is issued and the operation and maintenance are guided; and step four, the relevant data are stored into a database and the fault diagnosis model is optimized regularly. Therefore, on-line automatic diagnosis of the fault of the photovoltaic power station string is realized; shutdown during the diagnosis process is avoided; and the influence on the power generation state of the power station is reduced. And subjectivity and instability of the manual inspection are eliminated; the fault is processed quickly, accurately, and efficiently; the labor cost is lowered; and the operation and maintenance efficiency is improved.
Owner:CHINA JILIANG UNIV
Moving sieve fault diagnosis method of coal particle size analysis in three-dimensional modeling
ActiveCN103537436ATroubleshoot quicklyEasy TroubleshootingSievingScreeningDoppler velocityDiagnosis methods
The invention provides a moving sieve fault diagnosis method of the coal particle size analysis in three-dimensional modeling and belongs to moving sieve fault diagnosis methods. The moving sieve fault diagnosis method is characterized in that the impact strength to a buffer plate of coal falling from a moving sieve and the takeoff speed and the takeoff height after the coal impacts the buffer plate are detected by an impact sensor and a laser doppler velocity measuring method and utilized as characteristics of the moving sieve fault diagnosis; the three-dimensional modeling analysis is performed on the falling process of the coal to obtain three parameters of the impact strength P to the buffer plate of the coal, the bouncing initial velocity v0 of the coal and the rising displacement h of the coal, the cross-sectional area of the coal is determined by the characteristics of the three signals and compared with the cross-sectional area of a non-fault sieve mesh, and the cross-sectional area and the thickness of the coal are calculated out; the moving sieve fault diagnosis is performed through indirect measurement on the coal particle size. According to the moving sieve fault diagnosis method of the coal particle size analysis in the three-dimensional modeling, the three parameters of the impact strength to the buffer plate of the coal, the bouncing initial velocity of the coal and the rising displacement of the coal are utilized to accurately determine the maximum cross-sectional area and thickness of the coal and accordingly the fault of a sieve plate can be monitored out rapidly, accurately and simply.
Owner:CHINA UNIV OF MINING & TECH
IT equipment fault defect processing system and method
PendingCN112836972AReal-time monitoring of operating dataImprove the level of fault diagnosisSemantic analysisResourcesKnowledge-based systemsIt equipment
The invention discloses an IT equipment fault defect processing system and method. The method comprises the steps: enabling a data support platform to be connected to IT equipment, sensing and obtaining operation data of the IT equipment, extracting the operation data, obtained by the data support platform, of the IT equipment through an intelligent engine module, constructing a fault knowledge base system with a knowledge extraction function according to the extracted operation data, providing auxiliary decision-making service for IT equipment fault rapid first-aid repair service, deploying an intelligent assistant engine at an application front end, extracting and recognizing fault knowledge, carrying out association based on the fault knowledge base system to form one-to-one corresponding fault knowledge maps, and then managing and visually displaying the knowledge maps of the IT equipment faults. According to the invention, the operation data of the IT equipment can be monitored in time, IT equipment fault analysis is carried out based on the knowledge maps, IT equipment maintenance personnel can conveniently and rapidly carry out fault query and fault processing, and the IT equipment fault diagnosis level is effectively improved.
Owner:南方电网调峰调频发电有限公司信息通信分公司
CMS (Content Management System) remote operation and maintenance diagnosis system and method based on cloud
InactiveCN108363665ALock accuratelyPinpoint and fixSoftware testing/debuggingFeature vectorFeature extraction
The invention discloses a CMS (Content Management System) remote operation and maintenance diagnosis system based on cloud. The system comprises a use case retrieval module, a diagnosis use case library, a feature extraction module, a diagnosis calculation module, a standard feature library, a path library, an intelligent repairing module and a tag correction module. The method comprises the following steps that: according to the CMS, retrieving a corresponding use case in the diagnosis use case library when the CMS is used or subjected to problem phenomena; extracting the feature value of a diagnosis item contained in a current use case for the CMS by the feature extraction module to form a feature vector; calculating a feature vector and a corresponding standard feature vector of the current use case in the standard feature library by the diagnosis calculation module, and comparing a feature value in the vector with a preset threshold value to confirm an exceptional diagnosis item; according to the exceptional item, matching a corresponding patch in the patch library to automatically repair the CMS; measuring a repairing result by the tag correction module to regulate the use case tag; and through real-time remote diagnosis and repairing, enabling non-technicists to process problems in time.
Owner:西安博达软件股份有限公司
Flashboard blowout preventer with composite side door
PendingCN110080711AAvoid unopenable situationsAvoid stickingSealing/packingEngineeringBlowout preventer
The invention belongs to the technical field of petroleum equipment, relates to a flashboard blowout preventer, in particular to a flashboard blowout preventer with a composite side door. The flashboard blowout preventer with a composite side door comprises a shell with a flashboard built in, and side doors arranged on the two sides of the shell in a matched mode. flashboard shafts connected withthe flashboard penetrate through the side doors, the key points are as follows: the side doors comprise an outer side door and an inner side door, the outer side door is connected and positioned on the shell through bolts, the front end of the inner side door is positioned in an inner cavity of the outer side door through a clamping jaw type connecting device and provided with a cavity matched with the flashboard and a flashboard shaft and an installing hole, an opening and closing rod penetrates through the inner side door and the outer side door to be positioned on the shell, and the inner side door and the outer side door have direct opening and direct closing freedom degrees along the opening and closing rod. A double-layer side door structure is adopted, and the inner side door can beopened and closed independently, so that the side door is compact in overall structure and labor-saving and rapid to open and close.
Owner:HEBEI BOLU TIANBAO PETROLEUM EQUIP MFG CO LTD
Partition interconnection operation scheduling method of urban power grid based on flexible direct-current power transmission technique
ActiveCN107785921APrevent overloadImprove operational safety and reliabilityLoad forecast in ac networkElectric power transfer ac networkOperation schedulingLoad forecasting
The invention relates to a partition interconnection operation scheduling method of an urban power grid based on a flexible direct-current power transmission technique. The method comprises the following steps: setting a current moment t, if failures happen or a scheduler manually changes the state of a power grid, updating the moment t according to a moment t' after failure treatment or after manual adjustment, and starting operation scheduling analysis in the next time period [t, t + delta t]; reading the power grid structure at the moment t, reading an AGC system power generation curve, AVCsystem inactive data and a load predicting curve in the time period [t, t + delta t], and storing power plant output of a typical time section, power grid inactive configuration and load predicting data in the time period [t, t + delta t]. By implementing partition interconnection of power supply of the urban power grid by means of a flexible direct-current power transmission system, quick failure treatment of power supply partitions in a failure process and after failures are removed is achieved by fully utilizing high speed responding ability and power adjusting ability of the flexible direct-current power transmission system on the premise of ensuring the power supply safety of the interconnected partitions in a normal mode.
Owner:STATE GRID TIANJIN ELECTRIC POWER +1
Optical fiber core remote intelligent scheduling exchange system
ActiveCN110212984AResolve auto swapTroubleshooting auto-swapping issuesNon-electrical signal transmission systemsFibre transmissionOptical testAutomatic test equipment
The invention discloses an optical fiber core remote intelligent scheduling exchange system, which comprises an optical fiber core remote butt joint device for realizing butt joint of optical fiber cores; optical testing equipment, used for testing optical fiber performance parameters; a main controller, used for controlling the optical fiber core remote butt joint equipment to perform automatic butt joint of the optical fiber cores and controlling the optical test equipment to test optical fiber performance parameters at the same time; signal transmission equipment, used for receiving the signal sent by the main controller and carrying out remote transmission; and a control center, used for receiving signals remotely transmitted by the signal transmission equipment and realizing remote scheduling of the optical fiber cores and real-time monitoring of optical fiber performance parameters. The problem of automatic exchange of remote optical fiber cores is solved, the optical node link switching efficiency and the optical channel test automation level are improved, the operation and maintenance cost of the optical cable network is reduced, the operation and maintenance work is converted from original extensive fault management to intelligent configuration management, and the construction pace of the intelligent optical cable network is accelerated.
Owner:STATE GRID LIAONING ELECTRIC POWER RES INST +2
Campus streetlamp wireless intelligent monitoring device
InactiveCN106941741AReduced Routing ComplexityTroubleshoot quicklyElectrical apparatusElectroluminescent light sourcesEngineeringSmart surveillance
A campus streetlamp wireless intelligent monitoring device is composed of a host monitoring device and a streetlamp branch controller. The streetlamp branch controller has a wireless positioning function, and the communication between the host monitoring device and the streetlamp branch controller is based on Zigbee wireless communication technology. The host monitoring device comprises a microprocessor module and the microprocessor module is connected with a first power supply module, a Zigbee wireless transceiver module, a storage module, a display module, an alarm module and a host computer. The streetlamp branch controller comprises a micro-control module and the micro-control module is connected with a signal conditioning module, a clock module, a second power supply module, the Zigbee wireless transceiver module, a streetlamp control module and a key unit. A brightness acquisition module and a sensor module are connected with the micro-control module through a signal conditioning module. The device can monitor and detect the running states of streetlamps at respective branch control points in real time, can upload alarm information and real-time running information in real time when a fault is generated, and can provide great help for maintenance workers to treat the fault accurately and quickly.
Owner:HUBEI UNIVERSITY OF MEDICINE
Program fault monitoring method and system
InactiveCN106371991ASure in timeAccurately determineSoftware testing/debuggingCritical positionMonitoring methods
The invention provides a program fault monitoring method and system. The method comprises the following steps of dividing a program into a plurality of functions in advance according to a function modular mode; defining different global monitoring marks for key positions in each function and adding corresponding global monitoring marks to the key positions in each function; in the program operation process, when the execution to the key positions of the function is detected, determining whether the global monitoring mark is obtained or not; if the global monitoring mark is obtained, determining whether fault occurs in the key positions of the function according to the obtained global monitoring mark and the global monitoring mark defined in the key positions of the function; if the global monitoring mark is not obtained, determining that the fault occurs in the key positions of the function. Therefore the method and the system provided by the embodiment of the invention have the advantages that whether the fault occurs in the key positions of the function can be timely and accurately determined, so that the fault handling can be fast performed so as to avoid the serious result due to program fault.
Owner:重庆四联测控技术有限公司
Energy-saving low-radiation glass vertical-type magnetron sputtering production device
InactiveCN103388125AUniform filmStrong adhesionVacuum evaporation coatingSputtering coatingEngineeringFilm coating
The invention discloses an energy-saving low-radiation glass vertical-type magnetron sputtering production device. The energy-saving low-radiation glass vertical-type magnetron sputtering production device comprises multiple film-coating cavity units connected in series. A process isolation cavity is arranged between each adjacent two of the multiple film-coating cavity units. An isolation valve is arranged between each one of the multiple film-coating cavity units and the process isolation cavity adjacent with the film-coated cavity unit. Each one of the multiple film-coating cavity units comprises a base, a target material frame, a backboard seat and a glass frame. The target material frame and the backboard seat are installed on the base and form a film-coating cavity. The target material frame is provided with a target material cathode. An opening / closing device is arranged between the target material frame and the base. The glass frame is arranged in the film-coating cavity, has a vertical structure and forms an angle of 0-10 degrees with a vertical plane. The opening / closing device is driven by hydraulic pressure or air pressure. The glass frame is provided with a glass conveyer. According to the energy-saving low-radiation glass vertical-type magnetron sputtering production device, in energy-saving low-radiation glass production, glass is arranged vertically so that impurities deposited on the surface of the glass are reduced, the damage produced by impurities on a film is reduced, film adhesion is improved, and arc discharge caused by deposition of impurities on the target material cathode is reduced.
Owner:YOUDU FUNCTIONAL FILM MATERIAL YANGZHOU
Enhanced light photovoltaic module and manufacturing method thereof
ActiveCN113178500AFully absorbedReduce lossesPhotovoltaic monitoringFinal product manufactureFiberglass meshBattery cell
The invention provides an enhanced light photovoltaic module and a manufacturing method, and belongs to the technical field of solar photovoltaics, and the photovoltaic module is mainly and technically characterized in that the photovoltaic module comprises a front packaging layer, a first bonding layer, a front bearing layer, a second bonding layer, a block photovoltaic cell, a third bonding layer, a rear bearing layer, a fourth bonding layer and a rear packaging layer which are sequentially laminated from a light receiving surface; the front bearing layer is a glass fiber net and coated with conversion materials such as carbon quantum dots or inorganic quantum dots, the back faces of the block-shaped photovoltaic cells are coated with temperature sensing materials, the rear bearing layer is a circuit board, and observation holes are formed in the positions corresponding to the temperature sensing materials on the back faces of the photovoltaic cells and used for observing color changes of the temperature sensing materials. An upper electrode plate, a lower electrode plate, a bypass diode, a thermal bimetal switch tube, a switch circuit and a pushing conductive device are arranged in a box body of the junction box, so that the quick maintainability, reliability, testability and safety of the solar photovoltaic module are improved.
Owner:SHENZHEN CHUANGYI NEW MATERIAL CO LTD +1
Moving sieve fault diagnosis method based on Weibull analysis model
InactiveCN105928694AOvercome the cycleOvercome environmental problemsMachine part testingDiagnosis methodsEconomic benefits
The invention discloses a moving sieve fault diagnosis method based on a Weibull analysis model. The method is characterized by collecting impact force of coal falling off from a moving sieve plate on a buffer board through an impact force sensor, and calculating proportion range of the coal falling off from the moving sieve plate in the total amount of a sample when the moving sieve plate is normal, that is, coal size distribution range; and analyzing the coal falling process in the time period t, and according to the total impact force P collected by the impact force sensor, calculating the proportion of the total quantity of the coal falling off from the moving sieve plate within the time period t in the total quantity of the sample, and making a comparison between the proportion and the proportion range obtained when the moving sieve plate is normal to measure the total quantity of the falling-off coal and realize moving sieve fault diagnosis. The method can realize moving sieve fault diagnosis only through the impact force of the coal on the buffer board, can roughly measure damage degree of the moving sieve plate, is simple to realize and high in precision, does not depend on application scenarios and improves economic benefit and intelligent supervision level of a coal preparation plant.
Owner:CHAOHU UNIV
Secondary side open-circuit protector circuit adopting windings and used for intelligent selection current transformer
InactiveCN104953547APrevent electrical malfunctionConvenient queryEmergency protective circuit arrangementsConductor CoilSecondary side
The invention provides a secondary side open-circuit protector circuit adopting windings and used for an intelligent selection current transformer and relates to the technical field of power transmission and distribution switch equipment. The secondary side open-circuit protector circuit is characterized by comprising an open-circuit protector, a measurement unit winding circuit and a protection unit winding circuit, wherein the measurement unit winding circuit and the protection unit winding circuit are connected with the open-circuit protector respectively. The protector circuit has the characteristics of simple structure, convenience in operation, convenience in effective inquiry and maintenance and the like.
Owner:ANHUI RUIHONG MDT INFOTECH
Open circuit protector circuit of secondary side of current transformer winding capable of intelligent selection
InactiveCN104836200APrevent electrical malfunctionConvenient queryEmergency protective circuit arrangementsSwitchgearConductor Coil
An open circuit protector circuit of the secondary side of a current transformer winding capable of intelligent selection relates to the technical field of power transmission and distribution switchgear. The open circuit protector circuit is characterized by comprising an open circuit protector, a measuring unit winding circuit and a protection unit winding circuit, wherein the measuring unit winding circuit and the protection unit winding circuit are connected with the open circuit protector. The open circuit protector circuit is characterized by simple structure, convenient operation, capabilities of inquiring and maintaining lines effectively, and the like.
Owner:ANHUI LUXUN ELECTRONICS TECH
Fixedly-installed rapid handling apparatus for distribution transformer main switch and method
The invention relates to a fixedly-installed rapid handling apparatus for a distribution transformer main switch and a method. The rapid handling apparatus comprises a main busbar, static contact discs, moving contact discs, elastic clamps and an operating panel, wherein the main busbar adopts a rectangular structure, and consists of an upper sheet, a middle sheet and a lower sheet, wherein the upper sheet and the lower sheet are conductive copper sheets; the middle sheet adopts a PVC insulating material; the upper sheet and the lower sheet are equipped with bases used for mounting fast-acting fuses separately; four static contact discs are mounted via screws by the lower sheet on one end plane of the main busbar; the moving contact discs are mounted on the other end plane, corresponding to the static contact discs, of the main busbar; the elastic clamps are mounted between each pair of the moving contact discs and the static contact discs; the elastic clamps are connected with the moving contact discs and the static contact discs through bolts; spring shafts are symmetrically and vertically mounted on the outer end parts of the elastic clamps; and handles are mounted on the two end parts of the upper and lower spring shafts. The fixedly-installed rapid handling apparatus is high in universality, small in size, light in weight, convenient to carry, and can be applied to distribution transformer main switches of various specifications in fault handling; and after the distribution transformer main switch is replaced, the apparatus can be reused for other distribution transformer main switches for performing emergency fault handling.
Owner:STATE GRID TIANJIN ELECTRIC POWER +1
Intelligent cable plug and detection system thereof
InactiveCN109781296AMonitor temperature in real timeTroubleshoot quicklyThermometers using electric/magnetic elementsCouplings bases/casesPower cableElectric power
The invention relates to an intelligent cable plug and a detection system thereof, and belongs to the technical field of power cable accessory detection. The intelligent cable plug detection system has the advantages that the temperature of the plug can be detected in real time. The intelligent cable plug detection system comprises an intelligent cable plug and a host. The intelligent cable plug comprises a shell, and the shell comprises an inner insulating layer and an outer shielding layer. The intelligent cable plug is characterized in that a magnet block is arranged between the inner insulating layer and the outer shielding layer, a magnetic sensor opposite to the magnet block is arranged outside the shell, and a host reads magnetic signals of the magnetic sensor, converts the magneticintensity into temperature according to a thermomagnetic curve and displays the temperature.
Owner:深圳市铭泽智能电力科技有限公司
Home appliance equipment repair method and air conditioner repair system
ActiveCN108844181BAvoid occupyingAccurate analysisMechanical apparatusSpace heating and ventilation safety systemsHome applianceAir conditioning
Owner:AUX AIR CONDITIONING LTD BY SHARE LTD
Novel multifunctional measuring cabinet
InactiveCN106711780AVersatile and practicalTroubleshoot quicklySubstation/switching arrangement cooling/ventilationSubstation/switching arrangement casingsMultiple functionSmoke
The invention discloses a novel multifunctional measuring cabinet, and relates to the field of electrical equipment. The novel multifunctional measuring cabinet comprises a cabinet body and a cabinet door, wherein the cabinet door is hinged with one side of the cabinet body; the cabinet body is internally provided with an open measuring chamber, a control chamber, a closed measuring chamber and a busbar chamber from top to bottom; the open measuring chamber and the closed measuring chamber are respectively and internally provided with an integrated current transformer; the busbar chamber is internally provided with an incoming power line; the integrated current transformers are connected with the incoming power line in series; the control chamber is internally provided with a wireless signal emission device, a temperature sensor, a smoke sensor and a microprocessor; the microprocessor is respectively connected with the wireless signal emission device, the temperature sensor and the smoke sensor; the integrated current transformers are respectively connected with the microprocessor by a lead. The novel multifunctional measuring cabinet realizes the function of measurement error correction by means of the two groups of current transformers, and can transmit measuring information and danger signals in time by using the wireless signal emission device, thus realizing intelligent management, and being worth popularizing.
Owner:繁昌县易能科技有限责任公司
VPN service implementation method
InactiveCN112968823AThe method is efficientEasy to operateNetworks interconnectionNetwork connectionsThe InternetService implementation
The invention relates to the technical field of Internet, and particularly provides a VPN service implementation method, which comprises the following steps: s1, deploying a VPN gateway service system; s2, creating a VPN gateway; s3, deleting the VPN gateway; s4, changing the VPM gateway. Compared with the prior art, compared with a traditional hardware VPN mode, the method adopted by the invention is higher in efficiency, simpler in operation mode, more flexible in deployment, quicker in fault processing, convenient to expand, large in specification elasticity, higher in reliability and lower in cost.
Owner:SHANDONG LANGCHAO YUNTOU INFORMATION TECH CO LTD
Knowledge graph construction algorithm and system based on IT equipment operation and maintenance, equipment and medium
PendingCN113064999AImprove the level of fault diagnosisEfficient extractionCharacter and pattern recognitionNatural language data processingIt equipmentAlgorithm
The invention discloses a knowledge graph construction algorithm and system based on IT equipment operation and maintenance, equipment and a medium, which perform intelligent analysis on IT equipment service data, identify information such as IT equipment names, IT equipment representations, IT equipment defects and defect processing suggestions, and can effectively extract useful information from mass data, so that the existing business data can be fully utilized. a knowledge graph is constructed according to the mapping relation between the IT equipment representation and the IT equipment defects and the mapping relation between the IT equipment defects and the defect processing suggestions; and based on the knowledge graph, a corresponding defect processing suggestion can be obtained by inputting the IT equipment representation or the IT equipment defects, so that a judgment basis is provided for intelligent fault diagnosis of the IT equipment, the utilization rate of existing service data is greatly improved, IT equipment operation and maintenance personnel can conveniently and quickly carry out fault query and fault processing, the IT equipment fault diagnosis level is effectively improved, and production and operation of a power plant are protected.
Owner:南方电网调峰调频发电有限公司信息通信分公司
Motor bearing online monitoring and intelligent early warning system
ActiveCN106017932BImprove the accuracy of early warningImprove accuracyMachine bearings testingEarly warning systemControl engineering
Owner:荣成惠德环保科技有限公司
A fixed fast processing device and method for a master switch
Owner:STATE GRID TIANJIN ELECTRIC POWER +1
Secondary side open circuit protector circuit of intelligent selection current transformer winding
InactiveCN106129964APrevent electrical malfunctionConvenient queryEmergency protective arrangements for limiting excess voltage/currentEngineeringSwitchgear
The invention relates to an intelligent selection current transformer winding secondary side open-circuit protector circuit, which relates to the technical field of power transmission and distribution switchgear. It is characterized in that it comprises an open-circuit protector, a measuring unit winding circuit, a protection unit winding circuit, and the measuring unit winding circuit and the protection unit winding circuit are respectively connected with the open-circuit protector. The invention has the characteristics of simple structure, convenient operation, effective inquiry and maintenance of lines and the like.
Owner:合肥仁德电子科技有限公司
Suspended elevator system powered by UPS for villa
InactiveCN113860122AEasy maintenanceTroubleshoot quicklyNon-rotating vibration suppressionElevatorsElevator systemBrake
The invention discloses a suspended elevator system powered by a UPS for a villa, and relates to the field of elevators. The suspended elevator system comprises a wall body, a power machine room is arranged in the wall body, a traction mechanism is arranged in the power machine room, an elevator shaft is arranged on the lower side of the power machine room, and an elevator mechanism is arranged in the elevator shaft. The elevator mechanism comprises elevator guide rails fixedly installed on the left side wall and the right side wall of the elevator shaft. Compared with a traditional elevator, traveling cables connected with an elevator are reduced to the maximum, meanwhile convenience is brought to maintenance, whether a door lock loop is a car door or a landing door can be accurately judged, the condition of a door lock of each landing door and the floor where the door lock is located can be known, the state of each safety switch can be monitored, faults can be rapidly handled, meanwhile, braking is conducted through electric brake safety tongs, braking is faster than braking of the traditional elevator, meanwhile, a whole set of components of a speed limiter in the traditional elevator are omitted, the safety of the elevator is improved, and the elevator is clean and simple.
Owner:HANGZHOU AOLIDA ELEVATOR
Controller and Chinese character display screen integrated design technology
InactiveCN109901466AReduce failureEasy for daily maintenanceProgramme controlComputer controlChinese charactersComputer module
The invention discloses a controller and Chinese character display screen integrated design technology and relates to the automation control technology field. The design technology is characterized bycomprising a monitoring implementation unit and a manual maintenance system, wherein an output end of the monitoring implementation unit is connected with an input end of a data acquisition unit, anoutput end of the data acquisition unit is connected with an input end of a data receiving module, an output end of the data receiving module is connected with an input end of a central processor, andan output end of the central processor is connected with the data acquisition unit and an input end of a data analysis module. The design technology is advantaged in that the monitoring implementation unit is utilized to monitor the operating status of each link in a system, through cooperation among the central processor, a data conversion unit and a display unit, the operating status of each system monitored can be displayed in the form of text, and the operating status of each system can be monitored without any additional cost.
Owner:山东欧德利电气设备有限公司
Intelligent management method and system for cascading switching stations of distribution network
ActiveCN105375635BOvercoming selectivityAchieve fault isolationEmergency protective circuit arrangementsInformation technology support systemRing networkMaster station
The invention discloses an intelligent management method and system for cascaded switching stations of a distribution network. The switching stations are all provided with fault handling terminals, each of which is connected to the optical fiber ring network through an Ethernet switch, and each of the fault processing terminals is provided with a communication server, and all of the communication servers Both are connected to the power distribution master station. The invention introduces the idea of line optical fiber differential protection and directional protection into the fault handling of distribution network, and forms an intelligent management system of distribution network cascaded switching stations according to the power supply relationship. The terminal uses the fast communication between the unit networks, only transmits the fault signal, and negotiates independently, which solves the selectivity of the protection action when the feeder is faulty, and realizes fault isolation at one time.
Owner:STATE GRID CORP OF CHINA +3
A kind of enhanced light-weight photovoltaic module and manufacturing method
ActiveCN113178500BFully absorbedReduce lossesPhotovoltaic monitoringFinal product manufactureFiberglass meshBattery cell
The invention provides an enhanced light-weight photovoltaic module and a manufacturing method thereof, belonging to the technical field of solar photovoltaics. , the second adhesive layer, the bulk photovoltaic cell, the third adhesive layer, the rear bearing layer, the fourth adhesive layer, and the rear encapsulation layer; the front bearing layer is a glass fiber mesh, coated with carbon quantum dots or inorganic quantum dots Equal conversion material, the back of the block photovoltaic cell is coated with a temperature-sensitive material, the rear bearing layer is a circuit board, and an observation hole is opened at the temperature-sensitive material on the back of the photovoltaic cell to observe the color change of the temperature-sensitive material. The box body is provided with an upper electrode sheet, a lower electrode sheet, a bypass diode, a thermal bimetal switch tube, a switch circuit and a push-conducting device to improve the rapid maintenance, reliability, testability and safety of the solar photovoltaic module.
Owner:SHENZHEN CHUANGYI NEW MATERIAL CO LTD +1
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