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47results about How to "Judgment status" patented technology
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State determination apparatus
ActiveCN108688105AJudgment statusProgramme controlTesting/monitoring control systemsMolding machineEngineering
Owner:FANUC LTD
Method and device for predicting position of front edge of fireflood
ActiveCN109162686AJudging connectivityJudgment statusSurveyData processing applicationsCombustionTime segment
The embodiment of the invention, which belongs to the technical field of petroleum development, provides a method and device for predicting the position of the front edge of a fireflood. The method comprises the following step: determining propulsion distances of a fireflood edge of each of a plurality of oil layers along all producing well directions according to distribution angles of a centralgas injection well in a target well group along all production well directions, the thickness of each of a plurality of oil layers of a target reservoir, an air amount consumed by combustion of the unit volume of oil layer, gas absorption percentages of all oil layers, accumulative injection rates of the central gas injection well along all production well directions within a certain period of time and stratum air retention rates between the central gas injection well and all production wells. Therefore, the propulsion distance of the fireflood front edge of each of the plurality of oil layersis predicted and thus the basis is provided for adjusting the injection-production parameters of the multi-layer fireflood during the production process.
Owner:CHINA UNIV OF PETROLEUM (BEIJING)
Fault removal equipment and method for distribution box
InactiveCN109547528AAvoid failureJudgment statusTelevision system detailsCircuit arrangementsElectricityTemperature control
The invention relates to fault removal equipment and method for a distribution box, and belongs to the technical field of power communication. The fault removal equipment for the distribution box provided by the invention comprises an operation and maintenance box, a management platform, a camera and a switch; the operation and maintenance box comprises a state sub-system, a temperature control sub-system, a wired network sub-system, an emergency communication sub-system and an equipment control sub-system. When outage, network disconnection, camera abnormity, abnormal opening of the door of the operation and maintenance box, the situation that the temperature in the operation and maintenance box exceeds a set threshold, or a fan fault is detected, the state sub-system timely sends a self-inspection fault alarm to the management platform, and can remotely restart the power supply of equipment. According to the equipment and method provided by the invention, the electric supply outage state and the network disconnection state can be efficiently and quickly judged, the outage alarm information and the network disconnection warning information can be timely sent to the management platform via the wireless module, the fault caused by the outage can be effectively recognized, the work orders can be reasonably distributed to the corresponding operation and maintenance personnel, andthe most own faults of the cameras can be solved through remotely restarting the equipment.
Owner:BEIJING LIANHAI SCI & TECH LIMITED
Multisensor fusion based fall detection system and method
The invention relates to a multisensor fusion based fall detection system and method. The system comprises a plantar pressure detection subsystem and a human gesture detection subsystem; the plantar pressure detection subsystem comprises a plurality of force sensors, a first single chip microcomputer and a first wireless communication module; the human gesture detection subsystem comprises an acceleration sensor, an angle sensor, a second wireless communication module and a second single chip microcomputer. By the system and method, the status of a human can be judged effectively, and the multisensor fusion technique is combined to analyze whether a human falls or not; by rational layout of the force sensors, acquired pressure values can rationally reflect the center-of-gravity state of the human, and after center-of-gravity distribution of the human is correctly grasped, the three-axis acceleration sensor of the chest and a gyroscope are combined to more accurately judge whether the human falls or not; misjudgment rate is lowered, user privacy is protected, power consumption and cost are lowered, and the system and method is applicable to large-scale popularization and application.
Owner:ZHEJIANG SCI-TECH UNIV
Device and method for eliminating POP sound generated during power failure of audio equipment
The invention relates to a device and method for eliminating POP sound generated during power failure of audio equipment. The audio equipment comprises a power input end, an ASP unit, a power amplification unit and a large capacitor which are connected in sequence, wherein the larger capacitor is connected with the power input end in parallel. According to the device and method for eliminating the POP sound generated during power failure of the audio equipment, the voltage value of the power input end is detected in real time through a detection circuit; whether the power input end is in the power failure process or not is judged through a microprocessor according to the voltage value of the power input end, and a corresponding mute control instruction is output to a mute module according to a judgment result; the mute module conducts a mute action on the audio equipment according to the mute control instruction. When the power input end is in the power failure process, the mute action can be conducted on the audio equipment. Compared with the mode that in the prior art, a mute action is conducted after power failure of a power input end is completed, the device and method for eliminating the POP sound generated during power failure of the audio equipment have better timeliness, are more timely and effectively prevent the POP sound from being generated.
Owner:FORYOU GENERAL ELECTRONICS
Transmission tower structure health state monitoring and evaluating method and system
The invention provides a power transmission tower structure health state monitoring and evaluating method and system, and the method comprises the steps of obtaining the inter-node displacement of a power transmission tower in a static pushing mode based on a model built for the evaluated power transmission tower, calculating the inter-node displacement angle of the power transmission tower, selecting the maximum inter-node displacement angle from the inter-node displacement angles of the power transmission tower, selecting a damage index through the maximum inter-node displacement angle, andevaluating the health state of the power transmission tower structure based on the damage index; according to the invention, the inter-node displacement angle is calculated through model constructionand a static pushing and covering mode, the damage index is selected through the displacement angle, and the damage state of the transmission tower structure is effectively obtained through the damageindex.
Owner:STATE GRID ZHEJIANG ELECTRIC POWER CO LTD SHAOXING POWER SUPPLY CO +3
Humidifying and dehumidifying control method, air conditioning unit and computer readable storage medium
InactiveCN107642881AImprove experienceAccurately judge the statusMechanical apparatusLighting and heating apparatusHumidity ratioRelative humidity
The invention discloses a humidifying and dehumidifying control method. The method comprises the steps that the current temperature and the current relative humidity of the environment where a unit islocated are obtained, and the current humidity ratio is obtained based on the current temperature and the current relative humidity; a set temperature is obtained, and based on the set temperature and the current humidity ratio, the humidity control state of the unit is adjusted according to a first preset rule. The invention further discloses the air conditioning unit and a computer readable storage medium. By means of the humidifying and dehumidifying control method, the air conditioning unit and the computer readable storage medium, the current humidity state and the current humidifying and dehumidifying requirements can be more accurately judged, resources are saved, and the user experience is improved.
Owner:GD MIDEA HEATING & VENTILATING EQUIP CO LTD +1
Circuit and method for MOS tube self inspection of three-phase brushless direct current motor
The present invention is suitable for the motor field, and provides a circuit and a method for MOS tube self inspection of a three-phase brushless direct current motor. The circuit comprises a controlunit and a drive circuit having three-phase drive bridge arms, each drive bridge arm comprises one bootstrap circuit connected with the MOS tube of each drive bridge arm, each bootstrap circuit at least comprises one bootstrap diode, one bootstrap capacitor and one drive chip; each drive bridge arm comprises one voltage division resistor for self inspection and one sampling resistor which are connected in parallel with each bootstrap capacitor, each sampling resistor is connected with one camera phase line of each drive bridge arm and combines one bootstrap diode and one voltage division resistor for self inspection to form one voltage division circuit for self inspection to perform self inspection of MOS tubes. The circuit structure provided by the invention performs self inspection of an open circuit and a short circuit of an MOS tube switch so as to greatly shorten the self-inspection time, avoid the damaging of the MOS tubes in a self inspection mode of detecting a large current,greatly improve the safety and greatly reduce the circuit cost.
Owner:HUIZHOU TOPBAND ELECTRICAL TECH CO LTD
Vehicle remote control system
ActiveCN109641569ATo prevent switching to an unbootable stateAvoid badTelemetry/telecontrol selection arrangementsAnti-theft devicesIn vehicleControl system
Provided is a vehicle remote control system whereby it is possible to consider the safety of a vehicle and prevent the vehicle from being brought into a start disabled state in a dangerous place or ina place where it could bother other people, when remotely changing a vehicle into the start disabled state in response to an instruction from a server in cases where payment of a usage fee is not made within a predetermined time limit or theft is detected. Vehicle-mounted equipment has: a vehicle information detection means for detecting the on-off states of vehicle power; a relay input-output means for controlling an external relay to switch between the start disabled and enabled states of the vehicle; and a vehicle information link control means for controlling the external relay on the basis of the relay control instruction. The vehicle information link control means controls the external relay on the basis of the time elapsed since the on-off state of vehicle power detected by the vehicle information detection means was changed.
Owner:GLOBAL MOBILITY SERVICE INC
Method and system for reefer container evaluation
PendingCN107567573AReduce power consumptionResource determinationProgramme controlLighting and heating apparatusCommunication unitProcess engineering
A method of controlling reefer container resources in a reefer container system comprising a remote server computer (101) in communication with a plurality of reefer containers is provided. Each reefer container (201) comprises a refrigeration system configured to control a climate of an interior cargo compartment (202) of the reefer container (201). The method comprises, at the remote server computer (101): obtain refrigeration system parameter data acquired during operation of the refrigeration system from at least one reefer container (201) via a server communication unit (103), analyse therefrigeration system parameter data (706) to estimate a reefer container condition, comprising a physical pre-trip inspection determination, provide the reefer container condition to a reefer container resource control unit (105) to allocate the reefer container (201) based on the reefer container condition. A certainty indicator may indicate if the condition is a trusted condition.
Owner:MAERSK LINE AS
Greenhouse planting management system based on internet of things
The invention relates to a greenhouse planting management system based on internet of things, belong to the field of agriculture, including an acquisition module, a processing module and an executionmodule, wherein the acquisition module, the processing module and the execution module are connected with each other through the network module, the acquisition module comprises an acquisition moduleprocessor and a temperature sensor connected with the acquisition module processor, an air humidity sensor, a PH sensor, an illumination sensor, a CO2 sensor, a temperature sensor, a runoff sensor, aleaf temperature sensor, a soil moisture sensor, a soil temperature sensor, a vision sensor and a video surveillance. The system can acquire various environmental parameters planted in real time and the growth status of crops, and can process and transmit all data to the management personnel, and the management personnel can process the data in time when the situation occurs.
Owner:新沂市棋盘工业集中区建设发展有限公司
Intelligent terminal display screen detection method, intelligent terminal and storage medium
The invention discloses an intelligent terminal display screen detection method, an intelligent terminal and a storage medium, and the method comprises the steps: receiving a startup instruction, obtaining the current state of a display screen, and controlling the intelligent terminal to execute a startup operation when the current state meets a preset requirement; in the starting process, acquiring a high-level signal of the display screen in the first preset time period and when the frequency of the high-level signal of the display screen is lower than a first threshold value, controlling the intelligent terminal to complete starting operation. The state of the current display screen can be effectively judged. Misjudgment and misjudgment conditions can be effectively prevented, and normal starting and operation of the intelligent terminal can be guaranteed.
Owner:深圳康佳电子科技有限公司
Plugging device
PendingCN111150433ADetermine the exact locationJudgment statusSurgeryDiagnostic markersMarking outProjection plane
The invention relates to a plugging device, which comprises a plugging unit and a plugging head connected with the plugging unit, wherein the plugging unit is provided with a central shaft; and the central shaft penetrates through the far end and the near end of the plugging device. The plugging device also comprises a marking structure, wherein the marking structure comprises a far end marker andat least two first markers; the far end marker is arranged on the plugging head; each first marker is independently connected with the plugging unit; the first markers are positioned in the same placement plane which is vertical to the central shaft; the far end marker is positioned out of the placement plane; a projection point of each first marker in a projection plane vertical to the placementplane is positioned on one straight line segment; and under a natural state of the plugging device, connection lines of the far end marker and two end points of the straight line segment form a triangle. According to the plugging device, a success rate of an implantation surgery can be improved.
Owner:LIFETECH SCIENTIFIC (SHENZHEN) CO LTD
Motor vehicle antitheft system based on information fusion
InactiveCN108058673AJudgment statusActive and Accurate JudgmentAnti-theft devicesThree levelSensor array
The invention discloses a motor vehicle antitheft system based on information fusion. The motor vehicle antitheft system comprises a data detection and control terminal and a mobile terminal connectedwith the data detection and control terminal; the data detection and control terminal comprises a processor module, a monitoring module, a signal processing module, an alarming module, a communication module, an executing module and a power supply module; the monitoring module comprises a microwave Doppler sensor array, a vibration sensor array, an inclined angle sensor array, a pyroelectric infrared sensor array and a Hall switch device array, and optocoupling isolating modules which are connected with the microwave Doppler sensor array, the vibration sensor array, the inclined angle sensorarray, the pyroelectric infrared sensor array and the Hall switch device array in a one-to-one corresponding mode. An amplifier circuit of a three-level amplifying structure is provided, a tri-amplification structure is designed, the converting speed of the amplifier is obviously increased, and the motor vehicle antitheft system is ingenious in design and worthy of popularization.
Owner:苏州合利美电子科技有限公司
Electronic contract cancellation method
PendingCN111832080AThe obsolete function is the sameJudgment statusData processing applicationsDigital data protectionDigital signatureElectronic signature
The invention provides an electronic contract cancellation method which comprises the following steps: (1) when an electronic signature system creates a user, a cancellation electronic seal is createdand formed besides creating a digital certificate and a common electronic seal; (2) a user logs in the electronic signature system, uploads an electronic contract, creates a signature process, and specifies that the electronic contract is signed by each signer; (3) when executing cancellation of the electronic contract, cancelled electronic seals are stamped through digital signatures in turn byeach signer needing the electronic contract; and (4) all signers of the electronic contract are covered with the cancelled electronic seal consistently, which indicates that the contract has been invalid. According to the invention, the cancellation function of the electronic contract is basically consistent with the cancellation function usage of the paper contract; no matter how many middle signature files are formed before all the electronic contracts are signed, or how many copied electronic pieces are generated through copying, the state of the electronic contract can be judged through the traceability chain of the system.
Owner:TIANGU INFORMATION SCI TECH HANGZHOU
Transmission tower structure damage assessment method and system
The invention provides a power transmission tower structure damage assessment method and system, and the method comprises the steps of obtaining the inter-node displacement of a power transmission tower in a static pushing mode based on a model built for the assessed power transmission tower, calculating the corrected inter-node displacement angle of the power transmission tower, selecting a maximum corrected internode displacement angle from the internode displacement angles of the power transmission tower, selecting a damage index through the maximum corrected internode displacement angle, and evaluating the damage state of the power transmission tower structure based on the damage index; according to the invention, the corrected internode displacement angle is calculated through model building and static pushing and covering, the damage index is selected through the corrected internode displacement angle, and the damage state of the transmission tower structure is effectively obtained through the damage index.
Owner:CHINA ELECTRIC POWER RES INST +3
Vehicle door state detection device
InactiveCN108180928AJudgment statusFirmly connectedSignalling/lighting devicesConverting sensor output electrically/magneticallyComputer moduleEngineering
The invention discloses a vehicle door state detection device, which is characterized by comprising a hall sensor module, an indicator lamp module and a magnet module, wherein the hall sensor module is connected with the indicator lamp module; the magnet module comprises a plurality of magnets; and the plurality of magnets are arranged on a door frame respectively. The vehicle door state detectiondevice has the advantages that the circuit is simply connected, a hall sensor is adopted for signal acquisition, level acquisition and conversion are realized through a NOR gate and a triode, the vehicle door state can be quickly and effectively detected, and dangers are reduced.
Owner:KUNSHAN YIBANGTAI AUTO PART MFG CO LTD
Car door state detecting reminding device
InactiveCN108216021AFirmly connectedJudgment statusSignalling/lighting devicesDelayed AlarmAlarm device
The invention discloses a car door state detecting reminding device. The device is characterized by comprising a hall sensor module, an indicator light module and a magnet module, wherein the hall sensor module is connected with the indicator light module, the magnet module comprises a plurality of magnets, and the plurality of magnets are respectively arranged on a door frame. The car door statedetecting reminding device has the advantages that the detecting device circuit is simple in connection, the hall sensor module is adopted to collect signals, a NOR gate and an audion are arranged toachieve the collection and conversion of an electrical level, it is quick and effective to judge the car door state, the danger is reduced, a delayed alarm device is arranged, and the delayed alarm device can alarm in time after the car door is opened for a long time.
Owner:KUNSHAN YIBANGTAI AUTO PART MFG CO LTD
Automatic battery yield detection device and method
InactiveCN108931532AJudgment statusOptically investigating flaws/contaminationElectrical batteryComputer science
The invention provides an automatic battery yield detection device. The device includes a device body, multiple cameras, multiple light sources, multiple reflection devices and a computer device; thedevice body includes multiple supports and a detection platform; the detection platform includes multiple article input ports; the multiple cameras are arranged on the device body through the multiplesupports; the multiple light sources are arranged on the device body through the multiple supports or multiple supporting columns; the multiple reflection devices are arranged in the multiple articleinput ports; the computer device is electrically connected to the multiple cameras; to-be-measured articles can be detected through the multiple article input ports; the multiple light sources emit light to the multiple to-be-measured articles; the multiple cameras obtain the multiple article pictures of the to-be-measured articles through the multiple reflection devices; and the computer devicejudges the states of the to-be-measured articles through the article pictures. An automatic battery yield detection method is also provided.
Owner:GROWIN AUTOMATION
User state determining method and device
ActiveCN104808977AStatus truly reflectsJudgment \"online\"Neural learning methodsSpecific program execution arrangementsAlgorithmNerve cells
The invention discloses a user state determining method and device. The user state determining method comprises the steps of obtaining N types of parameters of an electronic device of a user, wherein N is a positive integer; respectively fixing the N types of parameters to N explicit nerve cells of a restraint Boltzmann machine (RBM) and using the parameters as inputs of the RBM, processing the parameters through the RBM, and outputting results through N+1 explicit nerve cells of the RBM, wherein the results represent states of a user.
Owner:CHINA MOBILE COMM GRP CO LTD
Method of fall detection based on multi-sensor fusion
Owner:ZHEJIANG SCI-TECH UNIV
Charging and discharging test method for accurately monitoring cycle life of lithium ion battery
InactiveCN110888078AImproved cycle life test resultsThe test result is accurateElectrical testingInternal resistancePhysical chemistry
The invention provides a charging and discharging test method for accurately monitoring the cycle life of a lithium ion battery. The method comprises steps that S1, the initial capacity C0 and direct-current internal resistance DCR0 of a battery core are acquired; S2, periodic charging and discharging of a battery are performed, each charging and discharging period includes a times of cyclic charging and discharging, during the first (a-1) times of charging and discharging, 1C / 1C cyclic charging and discharging is performed; during the ath charging and discharging, after charging at 1C, discharging at 1C is performed to a cut-off voltage, then standing for a first time is performed, and then discharging at 0.1 C is performed to the cut-off voltage; standing for a first time is performed, and discharging to a cut-off voltage at 0.01 C is performed; S3, the current capacity Cn and the direct-current internal resistance DCRn of the battery core after k charging and discharging periods areperformed, and a is not smaller than 10k; and S4, whether the cycle life of the battery core is ended or not is determined according to the current capacity Cn and the direct-current internal resistance DCRn; if yes, the cycle life of the battery is recorded; and otherwise, the process returns to the S2. The method is advantaged in that the method can uniformly eliminate polarization accumulatedin the cycle, so more effective lithium is removed from a negative electrode to ensure the cycle, and the test result of the cycle life of the lithium ion battery is improved by more than 30%.
Owner:HEFEI GUOXUAN HIGH TECH POWER ENERGY
Electric interface monitoring method, system and electronic equipment
The invention discloses an electric interface monitoring method, a system and electronic equipment. The method comprises the steps of acquiring an electric parameter of a transmitting end or a receiving end which is connected with the electric interface, acquiring the electric parameter of the other end of the transmitting end or the receiving end through communication, and determining the state of the electric interface based on the electric parameter. The electric interface monitoring method, the system and the electronic equipment can effectively determine the state of the electric interface.
Owner:LENOVO (BEIJING) CO LTD
Safety braking mechanism
ActiveCN106395663AAvoid security issuesJudgment statusWinding mechanismsStopped workPulp and paper industry
The invention relates to the field of body-in-white conveying equipment, and provides a safety braking mechanism. The safety braking mechanism comprises a braking wheel, a mounting base and two braking units symmetrically arranged on the two sides of the middle line of the mounting base. The braking wheel and the mounting base are mounted on an upper frame body of the conveying equipment. Bosses are arranged at the two ends of the mounting base correspondingly. Each braking unit comprises an air cylinder, a connecting plate and a braking pin. The two ends of a cylinder body of each air cylinder are fixed to the bosses at the two ends of the mounting base correspondingly, and a piston rod of each air cylinder is connected with one end of the corresponding connecting plate. The end, connected with the corresponding piston rod, of the tail of each connecting plate is connected with one end of the corresponding braking pin. Each braking pin penetrates the bosses at the two ends of the mounting base and is parallel to the corresponding air cylinder, and the length of each braking pin is larger than that of the mounting base. Arc-shaped holes used for being matched with the braking pins are evenly distributed in the braking wheel in the circumferential direction. According to the safety braking mechanism, the equipment can be stopped working during power interruption and air interruption, and the safety of the equipment during operating and maintaining is improved.
Owner:DALIAN AIWOTE ROBOT TECH CO LTD
Lifting type compact shelf
PendingCN114766827ASave spaceEasy accessBook cabinetsFurniture partsElectric machinerySmall footprint
Owner:JIANGXI SUNSHINE SAFETY EQUIP GRP CO LTD
On-line monitoring method for fastener looseness based on transformer vibration characteristics
ActiveCN112985676AJudgment is normalJudgment statusMachine part testingMeasurement of torque/twisting force while tighteningTime–frequency analysisThree phase transformer
The invention relates to an on-line monitoring method for fastener looseness based on transformer vibration characteristics. The method comprises the steps of 1, acquiring vibration signals of a winding fastener under different pre-tightening forces when a three-phase transformer is in no-load closing in an experimental state; 2, performing time-frequency analysis and energy spectrum analysis on the vibration signals acquired in the step 1 by using a wavelet packet energy spectrum to obtain standard characteristic vectors of vibration of the three-phase transformer winding fastener under different pre-tightening forces; 3, collecting a vibration signal of the three-phase transformer winding fastener in an operation state; 4, preprocessing the vibration signal collected in the step 3, and obtaining a vibration characteristic vector of vibration of the three-phase transformer winding fastener; and 5, comparing the vibration characteristic vector with the standard characteristic vector, obtaining the pre-tightening force of the three-phase transformer winding fastener, and carrying out online monitoring on the looseness of the transformer winding fastener. The method is an on-line diagnosis method, the measurement result is accurate and reliable, and the to-be-detected transformer does not need to quit operation.
Owner:JIANGSU ELECTRIC POWER CO
A fire telephone communication method and system
ActiveCN111432088BJudgment statusSimple and efficient inspectionTelephonic communicationTelephone communicationOperations research
Owner:深圳市赋安安全系统有限公司
A safety brake mechanism
ActiveCN106395663BAvoid security issuesJudgment statusWinding mechanismsStopped workPulp and paper industry
Owner:DALIAN AIWOTE ROBOT TECH CO LTD
Mos tube self-test circuit and method for three-phase DC brushless motor
ActiveCN108287287BJudgment statusAvoid damageShort-circuit testingContinuity testingBrushless motorsCapacitance
Owner:HUIZHOU TOPBAND ELECTRICAL TECH CO LTD
TDS water quality detection filter
InactiveCN109107261AReduce distanceStable jobStationary filtering element filtersLiquid crystalElectricity
The invention provides a TDS water quality detection filter and belongs to the field of water treatment. The TDS water quality detection filter comprises a shell; a circuit board, an accumulator and aliquid crystal component are arranged on the exterior of the shell; the liquid crystal component is arranged on the circuit board; a water feeding channel, a water draining channel and a water passing chamber are arranged in the shell; the water passing chamber is used for communicating the water feeding channel and the water draining channel; a filter element is arranged in the water passing chamber; the filter element comprises a water outlet and a water inlet; the water inlet and the water outlet are respectively connected with the water passing chamber and the water draining channel; a tubular mounting part is integrally formed on an outer wall of the shell; a mounting plate is fixed in the mounting part; the inner chamber of the mounting part is divided by the mounting plate into a detection chamber and a sealing chamber which are not connected with each other; the detection chamber is connected with the water draining channel and directly faces the water outlet; two mounting holes are penetrated through the mounting plate along the axial direction of the mounting part; electrode bars are penetrated through the interior of the two mounting holes; one end of each electrode baris located in the water draining channel while the other end is electrically connected with the circuit board. The TDS water quality detection filter has the advantage of high detection precision.
Owner:李如根 +1
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