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49results about How to "Make up for complexity" patented technology
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Method and system for monitoring DDOS (distributed denial of service) attacks in small flow
ActiveCN102821081AMake up for the inability to detect low-rate DDoS attacksHigh false positive rateData switching networksSimilarity analysisProtocol Application
The invention discloses a method and a system for monitoring DDOS (distributed denial of service) attacks in small flow, solves the problems that the existing DDOS attack detection technology is high in cost, complex to implement and high in misjudgment rate, cannot respond to DDOS attacks aiming at an application layer and the like, and provides the monitoring scheme of an integrated DPI (dots per inch) technology. A baseline analysis, component analysis and similarity analysis method is used to establish a normal use model, characteristics are accurately matched to detect the attacks in small flow and the application layer attacks, deployment at one point of an operator network and complete coverage of the operator network are achieved, and detection accuracy is increased.
Owner:CHINA TELECOM CORP LTD
Surface mounted device (SMD) light emitting diode (LED) device and display module thereof for outdoor display screen
ActiveCN102044535AFast deliveryImprove cooling effectSolid-state devicesIdentification meansSurface mountingLight spot
The invention provides a surface mounted device (SMD) light emitting diode (LED) device and a display module thereof for an outdoor display screen. The invention solves problems of LED devices for current outdoor display screens, such as poor thermal discharge effect, complicated technology, low production efficiency, high cost, limited light emitting, and poor consistency. The display module provided by the invention effectively avoids quality problem of uneven light spots of the current outdoor display screens in the prior art, greatly improves quality and yield of the outdoor display screen, and reduces cost. The outdoor display module with the SMD LED device comprises an LED panel, a shell and sealing glue, wherein the LED panel is arranged inside the shell and the sealing glue is applied on the LED panel. The SMD LED device for the outdoor display screen has the advantages of low cost, simple structure and good thermal discharge effect and is suitable for down-stream batch production. The outdoor display module with the SMD LED device provided by the invention has low cost and simple technology, and can effectively improve resolution and quality of outdoor display screens.
Owner:FOSHAN NATIONSTAR OPTOELECTRONICS CO LTD
Infrared gas sensor based on radial basis network temperature compensation and detection method
InactiveCN105352907AMake up for complexityCompensation for suitabilityMaterial analysis by optical meansObservational errorTemperature control
The invention provides an infrared gas sensor based on radial basis network temperature compensation and a detection method, that are, a gas concentration detection method based on radial basis function neural network temperature compensation and an infrared gas sensor based on radial basis temperature compensation. The infrared gas sensor can be made to eliminate a measurement error generated due to a detected environment temperature change, and compared with an existing empirical formula method, the temperature compensation process is easier, more convenient and wider in applicability due to the fact that a radial basis network has the advantages that the training speed is higher and structural self-adaption determination and output are irrelevant to an initial weight value; compared with an existing temperature control method, due to the fact that only a chip embedded with a radial basis function neural network algorithm needs to be additionally arranged, increasement of the size of the infrared gas sensor is avoided, and minimization and low cost of the sensor are better facilitated.
Owner:NANJING UNIV OF INFORMATION SCI & TECH
An electronic memo implementing a variety of reminding manners in telephone set
InactiveCN1558646ACapable of remote reminderEasy to acceptTelephone set constructionsDatabase indexTelephone network
The invention discloses an electronic memo pad for realizing multiple prompting modes in a telephone set, wherein different mode including present day, each week and each day can be configured, multiple prompting items can also be facilitated for the user, a data base index method is employed for realizing high speed search, convenient editing, initialization, and seeking for memo items. The invention also provides a memo prompting function.
Owner:WELLGAIN COMM TECH SHENZHEN
Method for rapidly determining key parameters of release of volatile organic compounds in wooden furniture
PendingCN107941933AEasy to detectPromote engineering applicationComponent separationDiffusionPhysical model
The invention relates to a method for rapidly determining key parameters of release of volatile organic compounds in wooden furniture, and belongs to the field of indoor environment examination. The method comprises the following steps: establishing a physical model; placing wooden furniture to be tested in an environment cabin capable of strictly controlling the humiture, for free release; measuring the hourly concentration of target pollutants in the environment cabin multiple times in the release process of the wooden furniture; and calculating the releasable concentration, the diffusion coefficient and other key parameters in the release process of the wooden furniture according to the physical model. The determination method has the advantages of convenience in operation, short test period, high precision, and suitableness for laboratory detection and engineering application.
Owner:BEIJING INSTITUTE OF TECHNOLOGYGY
Method for measuring material surface emissivity by virtue of thermal infrared imager rapidly
ActiveCN103675019ADetection speedMeet engineering applicationsMaterial heat developmentEmissivityFast measurement
The invention discloses a method for measuring the material surface emissivity by a thermal infrared imager rapidly, and relates to the technical field of thermal infrared imaging temperature measurement. A thermal infrared imager, a black box and a heating platform are included. The method comprises the following testing steps: 1) acquiring the response of the black box by the thermal infrared imager under a temperature environment, wherein the process is enough once under the condition of invariable environment temperature, and storing data into a computer for preservation; 2) heating a measured objected to relatively high temperature greater than or equal to 70 DEG C generally, and acquiring the response of the measured object by the thermal infrared imager; 3) operating according to a formula, thereby obtaining an accurate emissivity measurement result. Regarding to the thermal infrared imager, according to the measurement method, only an auxiliary device is required to be added for the thermal infrared imager; the emissivity of complex material surfaces can be measured rapidly; the detection speed and the detection efficiency of emissivity of the thermal infrared imager are improved; meanwhile, the precision and reliability of the detection result are ensured; the using range of the thermal infrared imager is expanded.
Owner:THE 13TH RES INST OF CHINA ELECTRONICS TECH GRP CORP
Sewage treatment plant optimization method based on fractal dimension
ActiveCN108830429ALow costEasy to operateImage enhancementImage analysisActivated sludgeImage processing software
The invention discloses a sewage treatment plant optimization method based on fractal dimension; the method comprises the following steps: 1, diluting sludge, and placing one drop on a slide glass; 2,using a microscope to take an image for the sludge; 3, using image processing software to process the taken sludge image, obtaining a projection area A and a periphery P geometry parameter of a single sludge floc, and obtaining a 2D fractal dimension D according to a fractal theory; 4, calculating and analyzing to derive biological activity and physical arrangement, that include the settlement performance and adsorptivity, of the sludge via the fractal dimension D, thus evaluating the activated sludge operation state. The method manages the sewage treatment plant operation according to the sludge fractal dimension D, simultaneously finishes operation management of a reaction pool and a secondary settlement pool through one index, thus providing a quantification management method for sewage treatment plant high efficiency safety standard operation and energy saving and consumption reduction.
Owner:XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY +1
Releasing tool
The invention discloses a releasing tool which comprises a joint, a core tube, a spring, a jacking sleeve, a connecting barrel, clamping tile, a sealing device, a guiding shoe, a parent lock ring, a limiting barrel and a sealing barrel. A first end of the core tube is hermetically and fixedly connected with the joint, the connecting barrel sleeving outside the core tube is fixedly connected with the joint, an annulus is formed between the connecting barrel and the core tube, the spring, the jacking sleeve, the clamping tile and the sealing device are sequentially sleeved on the core tube, the clamping tile can axially slide along the core tube, is provided with a left-hand sawtooth external thread, and is divided into multiple portions circumferentially, the end portion of the clamping tile is provided with an inner bevel, the core tube is provided with a bevel boss corresponding to the inner bevel, a first boss is arranged on the core tube, the inner surface of the clamping tile is provided with a second boss corresponding to the first boss, the sealing device used for sealing between the core tube and the sealing barrel is sleeved at a second end of the core tube, the second end of the core tube is connected with the guiding shoe, the parent lock ring is arranged in the limiting barrel and can axially slide, the sealing barrel and the limiting barrel are fixedly connected, and the parent lock ring is provided with a left-hand sawtooth internal thread. The releasing tool is easy to assemble and operate.
Owner:TIANJIN ANTON PETROLEUM MACHINERY MFG
Fixing device
ActiveUS20060159479A1Start fastIncrease temperatureElectrographic process apparatusTemperature controlPulp and paper industry
The present invention provides a fixing device for fixing a toner image formed on paper by sandwiching the paper in a nip region between a heating roller and a pressing roller and pressing the paper while heating the paper to a fixing temperature. This fixing device includes a cleaning roller that is in contact with the pressing roller, and temperature control means that sets a temperature of the heating roller to a cleaning temperature that is higher than the fixing temperature.
Owner:SHARP KK
Recombinant phages influenza vaccine
ActiveCN101015691AImproving immunogenicityEasy accessAntiviralsViruses/bacteriophagesMicrosphereBacteriophage
This invention relates to the field of molecular biology and vaccinology, a phage display broad spectrum influenza vaccine, and further relates to preparation method of phage display broad spectrum influenza vaccine. Present influenza vaccine can not provide protect aim at different influenza virus owing to high Variation of influenza virus. The invention constructs a universal recombinant phage influenza vaccine by inserting extracellular region M2 coding gene of highly conserved Type An influenza virus envelope protein M and part coding gene of B influenza virus highly conserved envelope protein BM 2 to bacteriophage T7, and prepares to recombinant phage influenza microsphere vaccine. After protective inoculation, the vaccine can provide protective action against different hypotype of type Ainfluenza virus and type B influenza virus.
Owner:INST OF MEDICAL BIOLOGY CHINESE ACAD OF MEDICAL SCI
Heat radiation device of diesel generator set for oil field
InactiveCN104358610AEffective temperature measurementImprove cooling effectMachines/enginesEngine cooling apparatusNuclear engineeringFixed frame
The invention discloses a heat radiation device of a diesel generator set for an oil field. The heat radiation device comprises a heat radiation machine body, a fan cover fixing frame, a top plate and a support base, wherein a cooling water inlet pipe connector and a cooling water outlet pipe connector are arranged on the side surface of the top plate, a cooling device, a heat radiation air passage and a main fan are arranged in the heat radiation machine body, a storage box and a refrigeration box are arranged in the cooling device, a refrigerator is arranged in the refrigeration box, the back side of the heat radiation machine body is provided with a main air inlet fan cover and an air outlet fan cover, a diesel generator fixing ring is arranged on the fan cover fixing frame, and an air inlet passage and an air outlet passage are uniformly arranged around the diesel generator fixing ring. The heat radiation device has the advantages that the heat radiation effect of the heat radiation device of the diesel generator set is improved, the integration of air cooling and water cooling is realized, the use range of the diesel generator set is increased, in addition, the safety during water cooling is improved, cooling water is cyclically utilized, resources are saved, and the economic benefit is obvious.
Owner:HANGZHOU HELLER SCI & TECH
Water-retaining high-molecular slow-release nitrogen-potassium fertilizer and preparation method thereof
ActiveCN105175197ASimple production processLow costFertilizer mixturesPotassium persulfateChemical synthesis
The invention relates to the field of water-retaining slow / controlled-release fertilizers, specifically to a water-retaining high-molecular slow-release nitrogen-potassium fertilizer and its preparation method. The preparation method comprises the following steps: (1) adding a potassium hydroxide solution and acrylic acid into a reaction vessel, and stirring in an ice bath until the reactants are mixed uniformly; then adding urea and stirring until urea is completely dissolved; adding an initiator potassium persulphate, stirring until potassium persulphate is completely dissolved; and adding a cross-linking agent N,N'-methylene bisacrylamide, stirring until the cross-linking agent is completely dissolved, and continuously stirring for 30 min until the solution is mixed uniformly; and (2) sealing the uniformly-mixed solution, reacting at 25-75 DEG C for 2-6.5 h, granulating, and drying so as to obtain the water-retaining high-molecular slow-release nitrogen-potassium fertilizer. The preparation method is a solution polymerization method. The technology is simple and easy to operate. The prepared water-retaining high-molecular slow-release nitrogen-potassium fertilizer is a chemically synthesized water-retaining slow-release fertilizer and can make up the defect of a film-coated water-retaining slow-release fertilizer that nutrient release is limited by a coated material and a technology is complex.
Owner:ZHONGBEI UNIV
Two-chamber larynx cover
InactiveCN101480513ALess irritatingLess mechanical obstructionRespiratorsLarynxIntratracheal intubation
The invention belongs to the field of medical devices and provides a double-cavity laryngeal mask. The double-cavity laryngeal mask comprises an aeration conduit, an inflatable hood and an air duct. A stainless steel wire spring is inserted in the pipe wall of the aeration conduit; the aeration conduit is connected with a feeding conduit in parallel and can be fixedly connected with the inflatable hood; the end of the air duct is connected to a one-way valve through an indicating gas bubble; and the inflatable hood is connected with an outer bow-shaped air bag base into a whole by a hollow cylindrical air bag. The invention has the advantages of reasonable structure, soft and proper pipe body and low manufacturing cost; the stainless steel wire spring can enhance the strength of the pipe wall of the aeration conduit, so that the aeration conduit is bent along the arbitrary direction or can still keep in the smooth state when being bitten by patients and can be placed in the laryngeal pharynges of the patients safely and quickly; and the aeration conduit has small stimulation to the patients and small mechanical obstruction to a respiratory passage when being placed, therefore, the double-cavity laryngeal mask not only can be used for the patients suffering from conventional operation, but also can be used for the situation that trachea cannulas meet difficulties as an emergent air duct processing device or the patients whose cardio-pulmonary resuscitation needs first aid, and provides great convenience for popularization and use in the medical clinic.
Owner:容文狮
Cartridge type two-dimensional servo valve with temperature compensation type damping piston
ActiveCN108506263AHigh application integrationHigh power density ratioOperating means/releasing devices for valvesServomotor componentsComputer moduleTorque motor
A cartridge type two-dimensional servo valve with a temperature compensation type damping piston comprises a valve body module, an electric-mechanical converter module and a position sensor module. The valve body module comprises a two-dimensional valve composed of a valve element and a valve sleeve, and the valve element is rotatably placed in a hole in the valve sleeve in an axially sliding mode. The valve element 30 is provided with five shoulders, the right end of the valve sleeve is connected with the electric-mechanical converter module through a connecting plate, the valve element is fixedly connected with an armature, and the right end of the valve element is connected with the electric-mechanical converter module through the armature. The damping piston is arranged on the right surface of the fourth shoulder, and a damping cavity f is organically formed by the left side of the damping piston, the valve sleeve and the valve element in an enclosed mode. The right side of the damping piston is exposed to a high pressure hole b. A gap is formed between the damping piston and the valve sleeve. A torque motor is adopted for the electric-mechanical converter module, one end of aspring is connected with a spring rod, and the other end of the spring is connected with a spring seat fixed to an outer shell. The displacement sensor module comprises an LVDT connecting rod and an LVDT sensor.
Owner:杭州迪微电液数控技术有限公司
Conductor-pattern testing method, and electro-optical device
InactiveUS7049527B1Avoid test resultsErroneous detectionElectronic circuit testingStatic indicating devicesElectrical conductorLeft direction
A conductor pattern having both elongated conductors and a dummy pattern is formed on a substrate. The dummy pattern is formed of dummy conductors. The elongated conductors are typically transparent electrodes. The dummy pattern is so configured that each of the dummy conductors are mutually set apart with a spacing as appropriate in the extending direction (top-and-bottom direction) and in the array direction (right-and-left direction) of the transparent electrodes to prevent any two inspection probes from contacting a single dummy conductor.
Owner:BOE TECH GRP CO LTD
Intelligent wearable monitoring equipment for sleep apnea based on electroencephalogram and heart rate
InactiveCN108309288AMake up for complexityMake up for expensesDiagnostic recording/measuringSensorsHuman bodyApneustic breathing
The invention discloses intelligent wearable monitoring equipment for sleep apnea based on electroencephalogram and heart rate. The equipment comprises an equipment monitoring body, the equipment monitoring body is internally provided with a human body health monitoring module, a central processing unit, a power supply module and a warning module, wherein the human body health monitoring module isused for monitoring human body biological signals, the central processing unit is used for processing and analyzing the human body biological signals, the power supply module is used for supplying power, the warning module is used for determining the sleep apnea is serious and triggering a warning when analyzing and evaluating that the human body is in a sleep apnea condition; the human body health monitoring module transmits the monitored human body biological signals to the central processing unit, the central processing unit analyzes and processes the human body biological signals and transmits the human body biological signals to the warning module. The intelligent wearable monitoring equipment for the sleep apnea based on the electroencephalogram and the heart rate has the advantagesthat the defects that the universality, caused by complex operation, poor portability, high cost and the like, of specialized medical health monitoring equipment is poor, and simple and efficient health detection means are insufficient are made up.
Owner:SHENZHEN YUXINXIN ELECTRONICS +1
Torque motor directly controlled cartridge two-dimensional electro-hydraulic proportional reversal valve
ActiveCN110131229AHigh application integrationHigh power density ratioOperating means/releasing devices for valvesServomotor componentsCouplingElectro hydraulic
The invention discloses a torque motor directly controlled cartridge two-dimensional electro-hydraulic proportional reversal valve. The torque motor directly controlled cartridge two-dimensional electro-hydraulic proportional reversal valve comprises a valve sleeve, a valve core, a corrugated pipe coupler, a rectangular alignment magnetic stripe, a partition plate and a torque motor; a two-dimensional valve and a cartridge valve are combined together, through the characteristic that the two-dimensional valve enables the pilot stage and the power stage to be integrated with two movement freedomdegrees of a single two-dimensional valve core, the design including a two-section valve core and a two-section valve sleeve is adopted, and the cartridge two-dimensional valve is higher in application integration level, power density ratio and pollution resistance compared with a traditional cartridge valve; and the torque is transmitted through the corrugated pipe coupler, alignment resetting is conducted through the alignment magnetic stripe, the complexity of a transmission mechanism of the traditional two-dimensional valve is made up, and the structure is more simple.
Owner:ZHEJIANG UNIV CITY COLLEGE
Fixing device
ActiveUS7391984B2Increase temperatureUniform thicknessElectrographic process apparatusTemperature controlPulp and paper industry
Owner:SHARP KK
Inward clamping device for clamping composite oil pipe lining
InactiveCN106238766APrevent free scalingInhibitory activityThread cutting machinesExpansion mandrelsEngineeringHigh pressure
The invention discloses an inward clamping device for a composite oil pipe. The inward clamping device is suitable for clamping a composite oil pipe lining and comprises a main body, a pushing piston, a sealing ring I, fastening blocks, a lubricating hole, a sliding sealing piston rod, a spring, a sealing ring II and a guide head. The pushing piston is installed in the main body in a sliding sealing and sleeved mode. Four bevel grooves are formed in the outer wall of the pushing piston in the circumferential direction. Four radial windows are formed in the position, opposite to the bevel grooves of the pushing piston, of the wall of the main body, and each radial window is internally provided with one fastening block. The slope of the inner side bevel of each fastening block is identical to that of each bevel groove in the pushing piston, and therefore the fastening blocks and the pushing piston can slide relatively in a matched mode. High-pressure liquid acts on an upper seat of the pushing piston, the pushing piston is pushed to move downwards, the fastening blocks are forced to slide outwards to clamp the composite oil pipe inwards, the composite oil pipe can be repaired conveniently, pressure is relieved after repair is completed, and the spring pushes the piston rod to return to the original position.
Owner:王剑
Analysis method and device for analyzing network data, electronic equipment and storage medium
PendingCN113347196AMake up for complexityMake up for the shortcomings of difficult upgradesSemi-structured data retrievalTransmissionNetworking protocolTheoretical computer science
The invention discloses an analysis method and device for analyzing network data, electronic equipment and a storage medium, and belongs to the technical field of communication. The method comprises the steps that an xml analysis file is defined, the xml analysis file comprises xml nodes, and each xml node comprises a matching child node and at least one analysis child node; an xml analysis file is loaded, each xml node is correspondingly converted into an instance object, and each analysis sub-node is correspondingly converted into an analysis sub-instance object; the received network protocol packet data is matched with each matching child node, and if the matching succeeds, the instance object matched with the matching child node is used for analyzing the network protocol packet data; and if not, finishing the analysis. According to the method, the field content and the parsing mode of the network protocol are described through the XML file, a code layer of parser software is shielded, the defects of high complexity and difficulty in debugging and upgrading during construction, debugging and upgrading of the heterogeneous fusion network are effectively overcome, the working threshold of field service personnel is reduced, and the efficiency is greatly improved from code modification to configuration file modification. The efficiency of workers is greatly improved.
Owner:ZHEJIANG SCI-TECH UNIV
Novel water tie beam bracket device and construction method thereof
PendingCN110306443ASolve wading operationsSolve formwork supportBridge erection/assemblyBridge engineeringEngineering
The invention provides a novel water tie beam bracket device. The novel water tie beam bracket device comprises a bracket bottom beam, bracket top beams, vertical connecting frames, a tie beam bottommold and a tie beam side mold, wherein the bracket bottom beam is arranged between two transverse distribution beams of a water operation platform; the bracket top beams are arranged oppositely and are arranged on the two sides of the upper portion of the bracket bottom beam respectively, and the lower end surfaces of the bracket top beams are connected with the upper end surfaces of the transverse distribution beams; the vertical connecting frames are arranged in pairs and are arranged at the two ends of the bracket bottom cross beam respectively, the lower ends of the vertical connecting frames are connected with the bracket bottom beams, and the upper ends of the vertical connecting frames are connected with the bracket top beams; the tie beam bottom mold comprises square timber and a bamboo plywood, the square timber is arranged on the bottom cross beam of a bracket, and the bamboo plywood is laid on the square timber; and the tie beam side mold is vertically arranged above the bamboo plywood. The invention further provides a construction method adopting the bracket device for construction. By adopting the device and the method, the construction is carried out, the method is simple, economical and practical, the device is easy to install and detach, and important guarantee is provided for construction of a bridge engineering tie beam.
Owner:CHINA TIESIJU CIVIL ENG GRP CO LTD
Control method of equipment containing pressure sensor
ActiveCN101859109ACompensation process is cumbersomeMake up for complexityProgramme control in sequence/logic controllersMechanical pressure/force controlEngineeringPressure sensor
The invention relates to a control method of equipment containing a pressure sensor. The method comprises the following steps of: firstly, obtaining a frequency value of an initial position of a frequency signal curve of the pressure sensor and recording the frequency value in a control part of the equipment; secondly, comparing the frequency value of the initial position of the frequency signal curve of the pressure sensor with a frequency value of an initial position of a standard frequency signal curve set in the control part of the equipment to obtain a difference thereof; and thirdly, adding the difference after the control part of the equipment receives the frequency signal of the pressure sensor to obtain a corresponding frequency value of a standard frequency curve, wherein a value corresponding to the frequency value is a control value located by the pressure sensor. The frequency signal curve of the pressure sensor and the standard frequency signal curve in the control part of the equipment are corrected by obtaining the difference between the frequency signals of the initial position of the frequency signal curve of the pressure sensor and the frequency signals of the initial position of the standard frequency signal curve in the control part of the equipment without artificial regulation.
Owner:鸣志精密制造(太仓)有限公司
Method for calculating aerodynamic load of winglet blade with trailing edge in dynamic stall state
InactiveCN110532604ASimple calculationHigh precisionSustainable transportationSpecial data processing applicationsTrailing edgeDifferential equation
The invention discloses a method for calculating aerodynamic load of a winglet blade with a trailing edge in a dynamic stall state. The method comprises the following steps: firstly, calculating induction speed and generalized aerodynamic load considering dynamic stall of a section of the winglet blade with the trailing edge; secondly, establishing a dynamic stall additional aerodynamic load differential equation; then, determining the static loss of the aerodynamic load of the blade section of the winglet with the trailing edge, and establishing an improved dynamic stall additional aerodynamic load model of the blade section of the winglet with the trailing edge; and finally, calculating and correcting the total aerodynamic load of the section of the winglet blade with the trailing edge in the dynamic stall state. The invention provides a high-precision calculation and analysis method for calculating the aerodynamic load of the winglet blade with the trailing edge in a dynamic stall state, and overcomes the defects of low precision, excessive unknown state quantity, complex calculation and the like of the existing method.
Owner:NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
Power transmission conductor galloping amplitude measurement method
InactiveCN105890739AEasy to carryQuick installationSubsonic/sonic/ultrasonic wave measurementUsing wave/particle radiation meansMeasurement deviceRemote control
The invention relates to a power transmission conductor galloping amplitude measurement method. According to the power transmission conductor galloping amplitude measurement method, a measurement device composed of a small-sized remote control unmanned aerial vehicle (1) and a small-sized high-definition image pickup instrument (2) which has cross scale marks and is installed at the bottom of the small-sized remote control unmanned aerial vehicle (1) is utilized to realize multi-azimuth and multi-angle observation of the galloping form of a power transmission conductor (3). With the power transmission line galloping amplitude measurement method adopted, an optimal position can be selected, so that the galloping amplitude of the power transmission conductor can be measured at the position, and a measurement angle and the conductor are located at the same horizontal plane; the images of the highest point and the lowest point of the galloping of the conductor can be obtained accurately; a conversion method is simpler; the defects of limited measurement angles and complex conversions methods in existing methods can be eliminated; measurement results can be more accurate and effective; the measurement results can provide data support for follow-up galloping prevention and control work; and safe and stable operation of a power grid can be ensured.
Owner:ELECTRIC POWER RES INST STATE GRID JIANGXI ELECTRIC POWER CO +1
Sensing and driving integrated rigid-flexible coupling finger and flexible robot dexterous hand
ActiveCN113910279ACompact structureMake up for the shortcomings of large mass and volume, complex structure and difficult controlJointsGripping headsLittle fingerFinger joint
The invention provides a sensing and driving integrated rigid-flexible coupling finger and a flexible robot dexterous hand. The rigid-flexible coupling finger comprises a metacarpal bone segment, a near segment, a middle segment, a far segment, a torsion spring, a sensing and driving steel sheet, a linear motor, a pressure sensor and a flexible segment gasket. The sensing and driving steel sheet is provided with a sawtooth-shaped structure, and a resistance strain gauge is arranged on the surface of the sensing and driving steel sheet and used for detecting the bending angle of a finger joint; the flexible robot dexterous hand comprises an index finger, a middle finger, a ring finger, a little finger, a thumb, a flexible palm gasket, a direct current motor, a control module and a power module; the index finger, the middle finger, the ring finger and the little finger have the same structure as the rigid-flexible coupling finger and are connected with the flexible palm gasket; and a thumb metacarpal bone segment is connected with an index finger metacarpal bone segment through a revolute pair. The sensing and driving integrated rigid-flexible coupling finger and the flexible robot dexterous hand have the advantages of being simple and compact in structure, flexible, self-adaptive and easy to control.
Owner:SOUTHEAST UNIV
Cartridge 2D servo valve with temperature compensated damping piston
ActiveCN108506263BHigh application integrationHigh power density ratioOperating means/releasing devices for valvesServomotor componentsTorque motorEngineering
Owner:杭州迪微电液数控技术有限公司
A plug-in two-dimensional electro-hydraulic proportional directional control valve directly controlled by a torque motor
ActiveCN110131229BHigh application integrationHigh power density ratioOperating means/releasing devices for valvesServomotor componentsTorque motorMechanical engineering
Owner:ZHEJIANG UNIV CITY COLLEGE
Sleep apnea intelligent wearable device based on electroencephalogram and thoracoabdominal motion
InactiveCN108186012AIncrease contactMake up for complexitySensorsTelemetric patient monitoringCare giverComputer science
The invention discloses a sleep apnea intelligent wearable device based on electroencephalogram and thoracoabdominal motion, comprising: a wearable device monitoring body having an electroencephalogram monitoring module inside which is used for monitoring human electroencephalogram; a central processing unit for processing and analyzing the human electroencephalogram; a power module for providingpower; a warning module for receiving a warning signal from the central processing unit and sending a warning to a user and nursing personnel. A body health monitoring module transmits a monitored body biological signal to the central processing unit; the central processing unit analyzes and processes the body biological signal and sends the processed signal to the warning module. By using the sleep apnea intelligent wearable device based on electroencephalogram and thoracoabdominal motion, the defects of monitoring means of electroencephalogram and respiratory medical monitoring equipment canbe made up.
Owner:SHENZHEN YUXINXIN ELECTRONICS +1
An Optimization Method for Sewage Treatment Plant Based on Fractal Dimension
ActiveCN108830429BLow costEasy to operateImage enhancementImage analysisActivated sludgeImage processing software
Owner:XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY +1
Purification method and device for short-process coal gasification black water
PendingCN112624471AEasy to separateExtended operating cycleWater/sewage treatment by centrifugal separationTreatment involving filtrationPurification methodsProcess engineering
The invention relates to a purification method and device for short-process coal gasification black water. The purification method for the short-process coal gasification black water comprises the following steps: (i) allowing the short-process coal gasification black water to enter a jet flash separator for flash evaporation treatment; (ii) feeding the short-process coal gasification black water having been subjected to jet flash evaporation treatment to a micro-cyclone separator for preliminary centrifugal separation; (iii) sending the short-process coal gasification black water primarily purified by the micro-cyclone separator to a fluidized-bed separator for secondary purification; (iv) sending the short-process coal gasification black water deeply purified by the fluidized-bed separator to a deaerator for deoxygenation; and (v) after the fluidized-bed separator operates for a period of time and a pressure difference is 0.3 MPa, mixing the recycled short-process coal gasification black water and nitrogen and reversely feeding the obtained mixture to regenerate the separation medium of the fluidized-bed separator. The invention further provides the purification device for the short-process coal gasification black water .
Owner:EAST CHINA UNIV OF SCI & TECH
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