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31results about How to "Strong resistance to failure" patented technology
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Mine mobile communication system
InactiveCN101790179AImprove anti-interference abilityStrong emergency communication capabilitiesMultiplex system selection arrangementsSpatial transmit diversityNetwork terminationAccess network
The invention discloses a mine mobile communication system, which consists of an Ethernet passive optical network of a double-bus or double-loop structure, a wireless access network, a control system and an explosion-proof mobile station. The system comprises an optical link terminal, a base station controller, a ground base station, office-end equipment, passive optical splitters, explosion-proof optical network terminals, an underground explosion-proof base station, leakage antennae, base station antennae, distributed antennae and the explosion-proof mobile station, wherein the optical link terminal is connected with the ground base station and the base station controller; the explosion-proof optical network terminals are connected with the underground explosion-proof base station; the underground explosion-proof base station is connected with the leakage antennae, the base station antennae and the distributed antennae; and the explosion-proof mobile station is connected with the underground explosion-proof base station and the ground base station through a wireless interface. The mine mobile communication system has the characteristics of simple structure, flexible deployment, convenient maintenance, relatively lower cost, strong disaster resistance and anti-jamming capacity, capability of eliminating dead zones in communication and meeting requirements on a specific service environment and security for mining, and suitability for underground mobile communication in a coal mine.
Owner:CHINA UNIV OF MINING & TECH (BEIJING)
Energy acquisition and power supply management device of current transformer of overhead line
InactiveCN101888121AAvoid lossImprove power qualityBatteries circuit arrangementsElectromagnetic wave systemSupply managementHigh pressure
The invention discloses an energy acquisition and power supply management device of a current transformer of an overhead line, which is characterized in that both output ends of the current transformer are connected with both input ends of a booster; both output ends of the booster are connected with both input ends of a rectification circuit; the positive output end of the rectification circuit is connected with a load after being connected with a voltage-stabilization output circuit; the second output end of the booster is connected with the power supply output end of a charging circuit; the positive output end of the rectification circuit is connected with the control end of the charging circuit after being connected with a sampling comparison circuit; the output end of the charging circuit is connected with the power supply input end of a gate circuit; the output end of the gate circuit is connected with the input end of a booster circuit; the output end of the booster circuit is connected with the load; and a delaying comparison circuit and the gate circuit are connected. The invention has the advantages that when short circuit or the noload of the overhead line is generated in the energy acquisition process of the current transformer, power is safely and stably supplied to overhead line high-voltage side equipment, in particular to online monitoring equipment.
Owner:CHONGQING UNIV
Audio treating method and audio treating device
ActiveCN101552010AImplement parallel processingImprove processing efficiencySpeech analysisParallel processingAudio frequency
The invention discloses an audio treatment method and an audio treating device. In one embodiment of the invention, when audio data is received, an audio treating passage is selected fro the audio data based on the type of the audio data; the audio processing passage comprises preset number of audio processing units; the preset number of audio processing units of the audio treating passage carry out resampling treatment and gain adjustment treatment for implementing audio treatment, because of a plurality of audio processing passages are provided, parallel treatment to a plurality of audio data is implemented, audio treating efficiency is raised, and simultaneously a plurality of audio treating passages are interdependent, thereby enhancing anti-fault capability of the system, further more, audio effect after treating is good because of the a plurality of treating passages treats audio data of distinct types distinctively.
Owner:HONOR DEVICE CO LTD
Collection and identification management method of ground information of unmanned aerial vehicle cluster
InactiveCN109116864AImprove continuityIncrease diversityPosition/course control in three dimensionsControl signalData acquisition
The invention relates to a collection and identification management method of ground information of an unmanned aerial vehicle cluster. The method comprises steps of equipment assembling, man-machinegrouping, video collection and flight dynamic adjustment. On the one hand, multiple unmanned aerial vehicles are controlled simultaneously to collect video information and image information continuously and coordinately at designated positions and the video information collection and image information collection operations are not affected, so that the continuity, comprehensiveness and acquisitionaccuracy of data collection are improved effectively; and on the other hand, flexibility and convenience of flight coordination control between the unmanned aerial vehicles are realized effectively and the efficiency and quality of remote data communication and control signal transmission are enhanced, so that the reliability of the data communication and unmanned aerial vehicle control operationwork is improved effectively. Besides, a fault unmanned aerial vehicle can be replaced effectively based on the flight conditions of all unmanned aerial vehicles, so that the anti-fault capability ofthe flight control, data acquisition and data transmission work of the unmanned aerial vehicle cluster is enhanced and the reliability and stability of the overall operation of the system are improved.
Owner:FOSHAN WANHE NEW ENERGY TECH CO LTD
Whole ship monitoring and warning system based on double Ethernet and ring network
InactiveCN102082716AFast communicationA large amount of communication dataProgramme controlComputer controlProgrammable logic controllerRing network
The invention provides a whole ship monitoring and warning system based on double Ethernet and a ring network. The system comprises a power supply layer, a signal acquisition layer, a network communication layer and a display operation layer, wherein the power supply layer comprises at least one uninterrupted power supply (UPS); the signal acquisition layer comprises at least one programmable logic controller (PLC) processing unit; the network communication layer comprises at least three interconnected switches; the display operation layer comprises at least one touch screen or computer; and the power supply layer supplies power to the PLC processing unit, the switches and the touch screen or computer. The system comprises the following operation processes that: the PLC processing unit acquires and processes a signal to acquire processing data; whether the current transmission channel of the system is normal or not is detected; and the touch screen or computer displays the processing data when the transmission channel is normal. The system has high communication speed, large communication data volume, rich display contents and a clear and reliable interface, and is stable.
Owner:广州市沃诚通用设备有限公司
Graph database construction method supporting super-large-scale relational network
PendingCN110633378AStrong resistance to failureImprove reliabilityStill image data indexingSpecial data processing applicationsSingle serverHyperscale
The invention discloses a graph database construction method supporting a super-large scale relation network. According to the method, carrying out modeling through graph elements based on a key-valueformula; cutting the graph element into a plurality of different graph element storage fragments, and storing the graph element storage fragments to different servers; meanwhile, copying a pluralityof copies of each graph element storage fragment and respectively storing the copies to different servers; keeping data synchronization of the same graph element storage fragment in different serversthrough a Raft protocol. According to the method, the constructed graph database can support a larger graph scale, the graph database can be completely and horizontally expanded, the larger the numberof servers is, the larger the supported graph scale is, meanwhile, the fault resistance of the whole graph database is high, and services are not affected when a single server breaks down.
Owner:杭州欧若数网科技有限公司
Water insulation pipe filling valve with structure and running state self-detection function
ActiveCN104863543AOperation Status MonitoringImprove operational monitoring capabilitiesWell/borehole valve arrangementsSealing/packingEngineeringControl valves
The invention relates to a water insulation pipe filling valve with a structure and running state self-detection function. The water insulation pipe filling valve comprises a water insulation pipe body, a water insulation pipe cabin door, a drive oil cylinder, a balance valve, a main control valve, a lock valve, a changeover valve, an energy storage device, travel sensors, a pressure sensor, an ultrasonic flaw detection device and a detection control device. The main control valve, the lock valve, the changeover valve, the energy storage device and the detection control device are all arranged on the outer surface of the water insulation pipe body, the water insulation pipe cabin door is in sliding connection with the water insulation pipe body, the balance valve is additionally embedded in the water insulation pipe body, and the detection control device comprises a data processing circuit, a drive circuit and a communication circuit. The running state of the water insulation pipe filling valve can be effectively monitored, structure detection can be carried out on the mechanical structure and parts of the water insulation pipe filling valve, and therefore the running monitor capacity to the water insulation pipe filling valve can be improved, hidden fault danger existing in the water insulation pipe filling valve can be found in time, and the running stability and reliability of the water insulation pipe filling valve are improved.
Owner:CHENGDU OUXUN TECH CO LTD
Unmanned aerial vehicle formation maintenance method based on Internet
ActiveCN108873942APrecise regulationEasy to transportPosition/course control in three dimensionsUncrewed vehicleThe Internet
The invention relates to an unmanned aerial vehicle formation maintenance method based on Internet. The method comprises the five steps of equipment assembling, flight monitoring, formation maintaining, landing ending and fault forced landing. In the invention, on one hand, through the Internet, data conveying among equipment is performed so that an unmanned aerial vehicle can be accurately regulated and controlled, simultaneously, a set ultrasonic wave scanner can conveniently scan the front and rear areas of the unmanned aerial vehicle so that accurate information collection is realized, various dangers are prevented, various faults during a flight process are avoided, and safety in the flight process is increased; on the other hand, through a GPS positioning device, unmanned aerial vehicle position and distance information collection can be conveniently performed so that rapid transmission can be performed through the Internet, and an unmanned aerial vehicle queue can simultaneouslyreceive instructions during a turning process or in other changes, which is good for unmanned aerial vehicle queue formation maintenance.
Owner:天津渤海物联科技股份有限公司
Intelligent control system of filling valve of water separating pipe of marine drilling platform and filling valve
ActiveCN104929550AImprove running stabilityHigh execution precisionFlushingSolenoid valveEngineering
The invention provides an intelligent control system of a filling valve of a water separating pipe of a marine drilling platform and the filling valve. The system comprises a water separating pipe body, a water separating pipe chamber door, a driving oil cylinder, a pressure sensor, a displacement sensor, a balancing valve, a control valve, a lock valve, a control solenoid valve, a conversion valve, an energy storage device and an intelligent control system body, wherein the pressure sensor, the displacement sensor, the control valve and the control solenoid valve are additionally respectively electrically connected with the intelligent control system body; the intelligent control system body comprises a data processing circuit, a communication circuit, a driving circuit, a pressure detecting circuit and a displacement detection circuit. With the adoption of the system, the filling valve of the water separating pipe has the intelligent device detecting and intelligent operating functions; therefore, the reliability and stability in device operation are improved; in addition, the defects of slow corresponding control and small performing precision of the filling valve due to excessive pressure difference of the balancing valve in the traditional control system can be effectively solved, and the operation stability and accuracy of the filling valve of the water separating pipe can be improved.
Owner:CHENGDU OUXUN TECH CO LTD
Power device and system of aerial train, aerial train and aerial train system
PendingCN107444408AFast chargingReduce charging waiting timeCharging stationsPropulsion by capacitorsEngineeringControl unit
The invention belongs to the field of aerial train power, and particularly provides a power device and system of an aerial train, the aerial train and an aerial train system. The problem that in the prior art, an aerial train can not give consideration to fault resistance capacity and continuous operating capacity of a power supply system is solved. The power device of the aerial train comprises a driving device of the aerial train and a power source unit used for supplying power to the driving device. The power source unit comprises a super-capacitor unit and a first charging device. The super-capacitor unit is electrically connected with the driving device and used for driving the driving device. The power source unit further comprises a rechargeable battery unit, a second charging device and a switching control unit. The super-capacitor unit and the rechargeable battery unit are electrically connected with the driving device through alternative switching of the switching control unit. The power device of the aerial train adopts the super-capacitor unit and has the advantages of being low in weight, high in capacity, fast in charging and the like, the rechargeable battery unit is further arranged, and switching is conducted between the two power units according to situations, so that the power supplying system is safer and guaranteed.
Owner:中建空列(北京)工程设计研究院有限公司
A method for setting and managing a cluster flight control node of an unmanned aerial vehicle
InactiveCN109104237ASimple structureEasy to useRadio transmissionData transmissionAerospace engineering
The invention relates to a method for setting and managing a flight control node of a cluster of unmanned aerial vehicles (UAVs), which comprises four steps of equipment assembly, setting a control strategy, setting and distributing a node and replacing the node with a new one. On the one hand, the invention can effectively realize the capability of simultaneously controlling the cooperative workof a plurality of unmanned aerial vehicles, and the special album is realized in the collaborative work, the reliability of UAV equipments can be effectively improved, on the other hand, it can effectively realize the flexibility and convenience of flight coordination control among the unmanned aerial vehicles, while improving the efficiency and quality of remote data communication and control signal transmission, at the same time, according to the flight condition of each UAV, the failure UAV can be replaced effectively, which greatly improves the flight control of UAV fleet, the anti-failureability of data acquisition and data transmission operation, and the reliability and stability of the whole operation of the system.
Owner:FOSHAN WANHE NEW ENERGY TECH CO LTD
Solar central hot water engineering control system
InactiveCN107631492ARealize integrated designSimple structureSolar heating energySolar heat collector controllersControl systemEngineering controls
The invention relates to a solar central hot water engineering control system. The solar central hot water engineering control system is characterized by comprising a device part and a controller; thedevice part comprises a solar heat collecting module, a water tank, a plurality of electromagnetic valves, a plurality of water pumps, a plurality of water pipes and an auxiliary heating device; thesolar heat collecting module and the water tank are connected through a water pipe A provided with the corresponding electromagnetic valve and the corresponding water pump; the auxiliary heating device and the water tank are connected through a water pipe B provided with the corresponding electromagnetic valve and the corresponding water pump; the solar heat collecting module and the water tank are each provided with a cold water entering water pipe C provided with the corresponding water pump; the controller comprises an MCU, a power supply power source module, a sensor module, an operation and processing module, a storage module, a control output module and a communication module; the controller is connected with the device part through a sensor; the sensor transmits an acquired signal to the MCU; and after processing of the operation and processing module, instructions are sent out through the control output module and the communication module to correspondingly control the electromagnetic valves and the water pumps in the device part. The solar central hot water engineering control system is flexible and advanced in structure.
Owner:FUJIAN NORMAL UNIV
Vulcanized heated wire
The invention relates to a vulcanized heated wire. The vulcanized heated wire is characterized by comprising a machine frame, a conveying module, heating modules, a plurality of heating chambers, thermal circulation systems, isolation doors and photoelectricity inductive switches. The photoelectricity inductive switches are arranged on two sides of the machine frame, the conveying module is arranged at the bottom of the machine frame, the heating chambers are sequentially arranged on the conveying module, the isolation doors are arranged between the heating chambers, the heating modules and the thermal circulation systems are arranged in the heating chambers, and the isolation doors are in communication connection with the photoelectricity inductive switches. According to the vulcanized heated wire, automatic production of vulcanized heating of products is realized, the working efficiency is high, and meanwhile, the production process is safe and reliable.
Owner:HUIZHOU BELLSAFE UP TECHNOOGY CO LTD
Novel ultra-long distance unmanned aerial vehicle navigation method
ActiveCN109143166APrecise positioningEasily damagedNavigational calculation instrumentsPosition fixationUncrewed vehicleEngineering
The invention relates to a novel ultra-long distance unmanned aerial vehicle navigation method, which comprises four steps such as equipment placement, navigation precondition, specific control and operation navigation. The method is simple in system construction structure, flexible and convenient to use, good in universality, high in expansion capacity and fault resistance and high in operation automation degree. On the one hand, two landmarks are set, an electric signal is transmitted through an unmanned aerial vehicle, and the location of the unmanned aerial vehicle is positioned, so that the positioning for the unmanned aerial vehicle is enabled to be accurate, and the follow-up operation is facilitated. Meanwhile, real-time monitoring is performed on an operating area of the unmannedaerial vehicle through a server according to a database of the meteorological department so as to avoid influences of the severe weather. On the other hand, both the front and the back of the unmannedaerial vehicle are provided with an ultrasonic detector, thereby being convenient for detecting the surrounding environment, and avoiding damage imposed on the unmanned aerial vehicle by obstacles orbirds in the environment.
Owner:浙江翔龙航空科技有限公司
Mine mobile communication system
InactiveCN101790179BImprove anti-interference abilityStrong emergency communication capabilitiesMultiplex system selection arrangementsSpatial transmit diversityNetwork terminationAccess network
The invention discloses a mine mobile communication system, which consists of an Ethernet passive optical network of a double-bus or double-loop structure, a wireless access network, a control system and an explosion-proof mobile station. The system comprises an optical link terminal, a base station controller, a ground base station, office-end equipment, passive optical splitters, explosion-proof optical network terminals, an underground explosion-proof base station, leakage antennae, base station antennae, distributed antennae and the explosion-proof mobile station, wherein the optical linkterminal is connected with the ground base station and the base station controller; the explosion-proof optical network terminals are connected with the underground explosion-proof base station; the underground explosion-proof base station is connected with the leakage antennae, the base station antennae and the distributed antennae; and the explosion-proof mobile station is connected with the underground explosion-proof base station and the ground base station through a wireless interface. The mine mobile communication system has the characteristics of simple structure, flexible deployment, convenient maintenance, relatively lower cost, strong disaster resistance and anti-jamming capacity, capability of eliminating dead zones in communication and meeting requirements on a specific service environment and security for mining, and suitability for underground mobile communication in a coal mine.
Owner:CHINA UNIV OF MINING & TECH (BEIJING)
Energy-taking power supply circuit of cable temperature monitoring device
InactiveCN105226732BLow efficiencyReduce volumeBatteries circuit arrangementsElectric powerCapacitanceEngineering
Owner:CHONGQING UNIV
An integrated process of iron ball rocker arm processing and quality inspection
ActiveCN109759805BReduce the probability of inaccurate processingSimple structurePolishingRocker arm
The invention relates to an integrated process of iron ball rocker arm processing and quality inspection, including five steps of positioning detection, power-on preparation, polishing and finishing, reset cleaning, and detection and calibration; the duration generally requires 8-9 steps. Hour. The invention is flexible and convenient to use, has good versatility, strong expansion ability and failure resistance, and high degree of operation automation. On the one hand, the iron ball rocker arm can be positioned and prepared by overhauling the casting and processing equipment first, which reduces problems and iron balls. The probability of inaccurate processing of the rocker arm is checked and processed based on this. On the other hand, an integrated process of iron ball rocker processing and quality inspection is improved by polishing and finishing, and the iron ball rocker is continuously polished and polished, and the bearing is adjusted. The angle and direction are extremely convenient, which improves the working speed. At the same time, the iron ball rocker arm is calibrated by using detection and calibration to reach the level of finishing.
Owner:德阳天和机械制造有限责任公司
Water-secluding pipe filling valve control system for marine drilling platform and using method for water-secluding pipe filling valve control system
InactiveCN107339491ASimple system structureStrong resistance to failureOperating means/releasing devices for valvesServomotor componentsWater pipeHydraulic control
The invention provides a water-secluding pipe filling valve control system for a marine drilling platform. The water-secluding pipe filling valve control system comprises a balance valve, a control valve, a lock valve, a change-over valve, an energy accumulator and a drive oil cylinder, wherein the control valve separately communicates with the balance valve and the lock valve through oil tubes; the change-over valve separately communicates with the lock valve, the energy accumulator and the drive oil cylinder; and the control valve is additionally equipped with a remote control interface, and the control valve communicates with an external hydraulic control source through the remote control interface. A using method for the water-secluding pipe filling valve control system comprises five steps of system initialization, system pressure drop, filling valve opening, opening keeping and filling valve closing. The system provided by the invention is simple in structure, is high in fault resistance, is various and flexible in control way, and is good in operation stability and interference resistance, so that automation degree, reliability and stability of filling valve operation are improved, and the defects such as low filling valve control speed and low implementation precision as a result of balance valve pressure difference in a conventional control system are effectively solved, and therefore, control precision of the water-secluding pipe filling valve control system is greatly improved.
Owner:CHENGDU OUXUN TECH CO LTD +1
Energy acquisition and power supply management device of current transformer of overhead line
InactiveCN101888121BAvoid lossImprove power qualityBatteries circuit arrangementsElectromagnetic wave systemSupply managementHigh pressure
The invention discloses an energy acquisition and power supply management device of a current transformer of an overhead line, which is characterized in that both output ends of the current transformer are connected with both input ends of a booster; both output ends of the booster are connected with both input ends of a rectification circuit; the positive output end of the rectification circuit is connected with a load after being connected with a voltage-stabilization output circuit; the second output end of the booster is connected with the power supply output end of a charging circuit; the positive output end of the rectification circuit is connected with the control end of the charging circuit after being connected with a sampling comparison circuit; the output end of the charging circuit is connected with the power supply input end of a gate circuit; the output end of the gate circuit is connected with the input end of a booster circuit; the output end of the booster circuit is connected with the load; and a delaying comparison circuit and the gate circuit are connected. The invention has the advantages that when short circuit or the noload of the overhead line is generated in the energy acquisition process of the current transformer, power is safely and stably supplied to overhead line high-voltage side equipment, in particular to online monitoring equipment.
Owner:CHONGQING UNIV
An Intelligent Control System for Riser Filling Valve of Offshore Drilling Platform
ActiveCN104929550BImprove running stabilityHigh execution precisionFlushingSolenoid valveEngineering
The invention provides an intelligent control system of a filling valve of a water separating pipe of a marine drilling platform and the filling valve. The system comprises a water separating pipe body, a water separating pipe chamber door, a driving oil cylinder, a pressure sensor, a displacement sensor, a balancing valve, a control valve, a lock valve, a control solenoid valve, a conversion valve, an energy storage device and an intelligent control system body, wherein the pressure sensor, the displacement sensor, the control valve and the control solenoid valve are additionally respectively electrically connected with the intelligent control system body; the intelligent control system body comprises a data processing circuit, a communication circuit, a driving circuit, a pressure detecting circuit and a displacement detection circuit. With the adoption of the system, the filling valve of the water separating pipe has the intelligent device detecting and intelligent operating functions; therefore, the reliability and stability in device operation are improved; in addition, the defects of slow corresponding control and small performing precision of the filling valve due to excessive pressure difference of the balancing valve in the traditional control system can be effectively solved, and the operation stability and accuracy of the filling valve of the water separating pipe can be improved.
Owner:CHENGDU OUXUN TECH CO LTD
Audio treating method and audio treating device
ActiveCN101552010BImplement parallel processingImprove processing efficiencySpeech analysisParallel processingSpeech recognition
Owner:HONOR DEVICE CO LTD
An ultra-long-distance UAV navigation method
ActiveCN109143166BPrecise positioningEasily damagedNavigational calculation instrumentsPosition fixationSimulationUncrewed vehicle
The invention relates to a novel ultra-long distance unmanned aerial vehicle navigation method, which comprises four steps such as equipment placement, navigation precondition, specific control and operation navigation. The method is simple in system construction structure, flexible and convenient to use, good in universality, high in expansion capacity and fault resistance and high in operation automation degree. On the one hand, two landmarks are set, an electric signal is transmitted through an unmanned aerial vehicle, and the location of the unmanned aerial vehicle is positioned, so that the positioning for the unmanned aerial vehicle is enabled to be accurate, and the follow-up operation is facilitated. Meanwhile, real-time monitoring is performed on an operating area of the unmannedaerial vehicle through a server according to a database of the meteorological department so as to avoid influences of the severe weather. On the other hand, both the front and the back of the unmannedaerial vehicle are provided with an ultrasonic detector, thereby being convenient for detecting the surrounding environment, and avoiding damage imposed on the unmanned aerial vehicle by obstacles orbirds in the environment.
Owner:浙江翔龙航空科技有限公司
A solar power supply system and control method for tunnel entrance reinforcement section
InactiveCN104079238BMeet power requirementsWith automatic controlBatteries circuit arrangementsPhotovoltaicsAutomatic controlComputer module
The invention relates to a solar power supply system and control method used for a tunnel entrance reinforcing section. The solar power supply system used for the tunnel entrance reinforcing section comprises a storage battery, a remote monitoring terminal, a plurality of solar panels and a plurality of power supply modules. Each power supply module comprises a controller, a relay, an inverter circuit and lamps. The solar panels are arranged outside a tunnel. The lamps are arranged at the position of the tunnel entrance reinforcing section. Power is supplied to the lamps at the tunnel entrance reinforcing section through solar energy, the power supply requirement of the lamps at the tunnel entrance reinforcing section is met, and the solar power supply system has the advantages that automatic control is achieved, energy sources are saved, and manual switching is not needed. Electric energy directly output by the solar panels can be supplied to power supply loops of the lamps, electric energy stored by the storage battery can be supplied to the power supply loops of the lamps, the lamps can be turned on in a grouped and batched mode according to the irradiation intensity, and illumination inside and outside the tunnel can be kept coincident.
Owner:CHONGQING YURONG HIGHWAY
An offshore drilling platform riser filling valve control system and usage method
InactiveCN107339491BHigh execution precisionImprove running stabilityOperating means/releasing devices for valvesServomotor componentsControl mannerSystem pressure
The invention provides a water-secluding pipe filling valve control system for a marine drilling platform. The water-secluding pipe filling valve control system comprises a balance valve, a control valve, a lock valve, a change-over valve, an energy accumulator and a drive oil cylinder, wherein the control valve separately communicates with the balance valve and the lock valve through oil tubes; the change-over valve separately communicates with the lock valve, the energy accumulator and the drive oil cylinder; and the control valve is additionally equipped with a remote control interface, and the control valve communicates with an external hydraulic control source through the remote control interface. A using method for the water-secluding pipe filling valve control system comprises five steps of system initialization, system pressure drop, filling valve opening, opening keeping and filling valve closing. The system provided by the invention is simple in structure, is high in fault resistance, is various and flexible in control way, and is good in operation stability and interference resistance, so that automation degree, reliability and stability of filling valve operation are improved, and the defects such as low filling valve control speed and low implementation precision as a result of balance valve pressure difference in a conventional control system are effectively solved, and therefore, control precision of the water-secluding pipe filling valve control system is greatly improved.
Owner:CHENGDU OUXUN TECH CO LTD +1
A Method of Internet-Based UAV Formation Maintenance
ActiveCN108873942BPrecise regulationEasy to transportPosition/course control in three dimensionsUncrewed vehicleInformation Harvesting
The invention relates to an unmanned aerial vehicle formation maintenance method based on Internet. The method comprises the five steps of equipment assembling, flight monitoring, formation maintaining, landing ending and fault forced landing. In the invention, on one hand, through the Internet, data conveying among equipment is performed so that an unmanned aerial vehicle can be accurately regulated and controlled, simultaneously, a set ultrasonic wave scanner can conveniently scan the front and rear areas of the unmanned aerial vehicle so that accurate information collection is realized, various dangers are prevented, various faults during a flight process are avoided, and safety in the flight process is increased; on the other hand, through a GPS positioning device, unmanned aerial vehicle position and distance information collection can be conveniently performed so that rapid transmission can be performed through the Internet, and an unmanned aerial vehicle queue can simultaneouslyreceive instructions during a turning process or in other changes, which is good for unmanned aerial vehicle queue formation maintenance.
Owner:天津渤海物联科技股份有限公司
Whole ship monitoring and warning system based on double Ethernet and ring network
InactiveCN102082716BGuaranteed stabilityEasy to replaceProgramme controlComputer controlProgrammable logic controllerTransmission channel
The invention provides a whole ship monitoring and warning system based on double Ethernet and a ring network. The system comprises a power supply layer, a signal acquisition layer, a network communication layer and a display operation layer, wherein the power supply layer comprises at least one uninterrupted power supply (UPS); the signal acquisition layer comprises at least one programmable logic controller (PLC) processing unit; the network communication layer comprises at least three interconnected switches; the display operation layer comprises at least one touch screen or computer; and the power supply layer supplies power to the PLC processing unit, the switches and the touch screen or computer. The system comprises the following operation processes that: the PLC processing unit acquires and processes a signal to acquire processing data; whether the current transmission channel of the system is normal or not is detected; and the touch screen or computer displays the processing data when the transmission channel is normal. The system has high communication speed, large communication data volume, rich display contents and a clear and reliable interface, and is stable.
Owner:广州市沃诚通用设备有限公司
Iron ball rocker arm processing and quality detecting integration process
ActiveCN109759805AReduce the probability of inaccurate processingSimple structureEngineeringRocker arm
The invention relates to an iron ball rocker arm processing and quality detecting integration process which comprises five steps of positioning and detecting; preparing for electrifying; polishing, grinding and finish machining; resetting and cleaning; and detecting and calibrating, wherein the duration is 8 to 9 hours. The iron ball rocker arm processing and quality detecting integration processprovided by the invention is flexible and convenient to use, good in universality, high in expansion capacity and fault resistance, and high in operation automation degree; on one hand, through an overhauling, casting and processing device, positioning preparation work can be carried out for an iron ball rocker arm, so that the probabilities of causing the problems and the inaccuracy in iron ballrocker arm processing are reduced, and inspection processing is carried out; on the other hand, through the iron ball rocker arm processing and quality detecting integration process, the usability isimproved; the iron ball rocker arm is continuously polished and ground through polishing, grinding and finish machining; the angle and the direction are adjusted through a bearing conveniently, so that the working speed is improved; and meanwhile, the iron ball rocker arm is calibrated through detecting and calibrating, so that the finish machining level is achieved.
Owner:德阳天和机械制造有限责任公司
A method for managing and controlling an unmanned aerial vehicle through contactless IC card authentication
InactiveCN109409074AAvoid degaussingImprove securityCo-operative working arrangementsDigital data authenticationUncrewed vehicleSecurity question
The invention relates to a method for managing and controlling an unmanned aerial vehicle through contactless IC card authentication, comprising three steps of contact authentication, networking identification and equipment unlocking. On the one hand, the invention manages and controls the unmanned aerial vehicle through the non-contact IC card, Increased security for UAV control, using non-contact IC card, avoid IC card demagnetization caused by contact, at the same time, avoid the safety problems of UAV use, on the other hand, lock the equipment on the UAV, the use of equipment should be submitted to the server, to avoid operators blind operation of unskilled equipment, resulting in accidents, economic losses and safety problems.
Owner:徐丽 +3
Multiple-harmonic source harmonic isolation system
InactiveCN105226656AImprove work efficiencyImprove work flexibilityHarmonic reduction arrangementAc network to reduce harmonics/ripplesCommunication unitDisplay device
The invention relates to a multiple-harmonic source harmonic isolation system. The harmonic isolation system comprises a data processing unit, a communication unit, an input / output (I / O) port unit, a driving circuit unit, a power detection device, a control keyboard, a displayer, an incoming line access port, a single-harmonic source harmonic isolation module, an outgoing line guide port and at least one line collection terminal, wherein the incoming line access port is eclectically connected with an external access circuit and the single-harmonic source harmonic isolation module respectively, the single-harmonic source harmonic isolation module is electrically connected with the line collection terminal through the outgoing line guide port, the at least one line collection terminal is electrically connected with an external connection circuit, and the driving circuit unit is electrically connected with the data processing unit, the communication unit, the I / O port unit, the power detection unit and the single-harmonic source harmonic isolation module respectively. By the multiple-harmonic source harmonic isolation system, multiple paths of input power supplies can be simultaneously and independently filtered, and the filtered electrical energy is converged to output; and moreover, the harmonic isolation system has favorable fault resistant ability, and thus, the stability and the continuous operational capability of system running are greatly improved.
Owner:苏州华安普电力科技股份有限公司
Fire-fighting automatic pressure-regulating water supply device and using method thereof
PendingCN114607007AMeet the needs of supporting useImprove stabilityFire rescueService pipe systemsWater storageWater storage tank
Owner:UNIV OF SCI & TECH BEIJING
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