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48results about How to "Scientific analysis" patented technology

Three-dimensional dynamic monitoring method and system of machine room

The invention provides a three-dimensional dynamic monitoring method and a three-dimensional dynamic monitoring system of a machine room. The method comprises the following steps: building and showing a machine room three-dimensional model corresponding to the distribution of machine room equipment through a comprehensive manager; respectively building a connection relation among a machine room monitoring system, a video monitoring system and the comprehensive manager; receiving real-time monitoring data and real-time video monitoring data by the comprehensive manager and identifying on the equipment corresponding to the machine room three-dimensional model; judging whether the real-time monitoring data exceeds a preset threshold value; acquiring equipment information corresponding to the real-time monitoring data and camera information about the monitoring and the shooting of the equipment if the real-time monitoring data exceeds a preset threshold value; warning and prompting the corresponding equipment of the machine room three-dimensional model and displaying by automatically calling real-time video images of the camera information. According to the method and the system, three-dimensional integrated management of the machine room system is realized, and the machine room three-dimensional model is combined with video monitoring, so that business centralization is realized.
Owner:STATE GRID CORP OF CHINA +2

Classroom teaching auxiliary system

InactiveCN103258451AEnhance disciplineStimulate learning initiativeElectrical appliancesData acquisitionInteraction device
The invention provides a classroom teaching auxiliary system which comprises a data collecting device, a data interaction device and a data analyzing device, wherein the data collecting device and the data interaction device are connected in a wireless mode to carry out data transmission, and the data interaction device is connected to the data analyzing device through a data transmission cable. The data collecting device comprises an information collector which is used for checking-in, selecting, grading, voting and electronically raising hands, and at the same time the data collector collects teaching management data. The data analyzing device carries out statistic analysis on the teaching management data which are collected by the data collector, and obtains a teaching quality report. The classroom teaching auxiliary system can increase constraint force on classroom discipline, strengths supervision on teaching quality, arouses learning initiative of students, assists classroom teaching of teachers, solves the problems of style of study and style of teaching in traditional teaching, and continuously improves the teaching quality. The classroom teaching auxiliary system not only can objectively and reliably monitor quality characteristics of the classroom teaching, but also can analyze scientifically and accurately on the basis of monitoring and then provide a more reasonable teaching quality report and a rectification and reform program.
Owner:何凯佳 +1

Water environment intelligent management platform for river and lake watershed

InactiveCN109242291ARealize intelligent simulation predictionRealize evaluationGeneral water supply conservationForecastingWatershed managementTotal nitrogen
The invention belongs to the technical field of watershed management and provides a water environment intelligent management platform for river and lake watershed. The system combines the real-time monitoring system of multi-source data of river and lake basin, automatic data transmission, storage and intelligent analysis system, the multi-source data fusion visualization system on the same platform, aiming at realizing more comprehensive, scientific and efficient management of the water environment of the river and lake basin. The invention relates to a water environment intelligent management method of the river and lake watershed, which comprises the following steps of: real-time monitoring water quality factor, ecological factor, environmental factor, hydrological characteristic factor, building information factor and external destruction factor. Water quality factor is subjected to remote sensing inversion by multi-spectral UVA, the detecting indexes includ total nitrogen, total phosphorus, ammonia nitrogen, chemical requirement COD, chlorophyll, and the distribution of water quality is obtained by post-processing analysis. The real-time monitoring of ecological factors is toobtain orthophoto images through UAV remote sensing. The invention is mainly applied to environment monitoring occasions.
Owner:TIANJIN UNIV

User activity mode dividing and attribute speculating method

InactiveCN107527313AOvercome the defect of single content in the activity modeEasy to completeData processing applicationsCharacter and pattern recognitionSubject matterComputer science
The invention relates to a user activity mode dividing and attribute speculating method, and the method comprises the steps: constructing a theme model, an activity mode dividing model and a Bayesian-network-based resident attribute backstepping model based on investigation data comprising personal attributes and travel information; obtaining to-be-complements big data; carrying out the processing of big data in the theme model and the activity mode dividing model, so as to obtain activity modes of users; inputting the activity modes into the Bayesian-network-based resident attribute backstepping model, so as to obtain the social economy attribute information, corresponding to each mode, of the users. According to the invention, the number of activity modes is six, so the method can achieve the complementation of the social economy attribute information of all users, and can achieve the scientific and convenient analysis and statistics of the number of individuals on a road at each time period of a day. Meanwhile, whether each user specifically takes a bus or drives a car can be further judged through the social economy attribute information of the individuals, thereby providing the important reference basis for the urban traffic planning and traffic demand prediction.
Owner:TONGJI UNIV

Device for dynamically identifying network equipment topology of intelligent substation based on MAC address matching

The invention discloses a device for dynamically identifying the network equipment topology of an intelligent substation based on MAC address matching. The device comprises a dynamic network topology identifier; the dynamic network topology identifier comprises a dynamic network topology configurator, a dynamic network topology analyzer, a dynamic network topology graphical device and a dynamic network topology updater; the dynamic network topology identifier is connected with a control hall central host of the substation; a control hall multi-media display screen displays the topological state of the whole substation network system; the control hall central host is connected with a mobile packet wireless communication device through a control hall wireless communication device; and real-time dynamic graphical query of the network equipment topology can be realized through a mobile packet. By means of the device disclosed by the invention, the topological graph of an online switch and the states of various ports in an intelligent substation network can be monitored intuitively in real time; the topological relationship of equipment can be queried on the scene in real time through the mobile packet; therefore, remote judgement and prediction on equipment failure can be realized; and the efficiency is increased.
Owner:GUIZHOU POWER GRID CO LTD

Unmanned-aerial-vehicle-based environment monitoring device

InactiveCN109855685ADrawbacks of change detectionScientific analysisMeasurement devicesMicrocontrollerParticulates
The invention relates to an unmanned-aerial-vehicle-based environment monitoring device comprising a multi-rotor unmanned aerial vehicle and an environment monitoring unit. The environment monitoringunit includes a microcontroller, a 4G communication module, a GPS positioning module, a temperature and humidity sensor, a particulate matter sensor, an air pressure sensor, a data storage module anda power management module, wherein the 4G communication module, the GPS positioning module, the temperature and humidity sensor, the particulate matter sensor, the air pressure sensor, the data storage module and the power management module are connected with the microcontroller. The microcontroller transmits obtained latitude, longitude, altitude, temperature, humidity, suspended particulate matter concentration and atmospheric pressure information to a PC or a smart phone via the 4G communication module. According to the unmanned-aerial-vehicle-based environment monitoring device, the data collected in a low-altitude area are transmitted to the PC or smart phone via the 4G network and the collected data are stored in a high-altitude area; and the stored data are outputted after the unmanned aerial vehicle returns, so that the corresponding personnel carries out scientific and reasonable analysis on the environmental condition conveniently and the scientific and reasonable measures tothe polluted weather are provided. The unmanned-aerial-vehicle-based environment monitoring device has the obvious beneficial effects and is suitable for application and promotion.
Owner:BINZHOU UNIV

Method for conducting analog simulation on crank die forging process through computer aided engineering (CAE)

The invention belongs to the technical field of metal plastic forming processes, and provides a method for conducting analog simulation on the crank die forging process through computer aided engineering (CAE). The method includes the steps of extracting the parting surface chamfer of a pre-forging die chamber, the length ratio factor of the pre-forging die chamber and a final-forging die chamber, the width ratio factor of the pre-forging die chamber and a final-forging die chamber and the height ratio factor of the pre-forging die chamber and a final-forging die chamber through orthogonal experiments, and establishing a factor level table; forging a CAE sample and an actual crank by drawing a crank model through CAD; conducting final-forging load testing, wherein the maximum forming load of the pre-forging die chamber is achieved when the partial surface chamfer is 8, the length ratio is 0.998, the width ratio is 0.98 and the height ratio is 1.12, and the maximum final forging forming load is achieved when the partial surface chamfer is 8, the length ratio is 0.998, the width ratio is 0.95 and the height ratio is 1.09. The finite element principle analysis method which has quite high representativeness, practicability and scientificity has the advantages that workloads are reduced, implementation is easy, the optimal conclusion is obtained, the forming load is greatly reduced, the forming defects are eliminated, and the die service life is prolonged.
Owner:SHANGHAI AIYI INFORMATION TECH

Multi-energy flow simultaneous calculation method of comprehensive energy system based on universal energy bus

The invention discloses a multi-energy flow simultaneous calculation method of a comprehensive energy system based on a universal energy bus. The method comprises the steps of extracting the to-be-modeled parameters of a target comprehensive energy system; establishing an energy bus model of the target comprehensive energy system; creating a multi-energy flow calculation model of the multi-energyflow of the target comprehensive energy system according to the to-be-modeled parameters and the energy bus model; and determining the multi-energy flow in the target comprehensive energy system according to the multi-energy flow calculation model. In the prior art, the extensive management is carried out on the target comprehensive energy system; and according to the multi-energy flow calculationmethod for the target comprehensive energy system, after the multi-energy flow of the target comprehensive energy system is obtained through calculation, a worker can analyze the target comprehensiveenergy system more scientifically and accurately, and therefore the safety and the reliability in the analysis process of the target comprehensive energy system are guaranteed.
Owner:ELECTRIC POWER RESEARCH INSTITUTE, CHINA SOUTHERN POWER GRID CO LTD +1

Multi-parameter monitoring device and method for rock burst in coal mine main roadway area

The invention discloses a multi-parameter monitoring device and method for rock burst in a coal mine main roadway area. The device comprises a drilling stress monitoring device, a drilling deformationmonitoring device, a plurality of monitoring substations, a monitoring master station and a ground terminal. One end of the drilling stress monitoring device is arranged in a stress monitoring drilling hole of one side of the roadway, the other end of the drilling stress monitoring device is fixed at the side part of the roadway, and the two ends of the drilling stress monitoring device are connected through a liquid guide pipe. One end of the drilling deformation monitoring device is arranged in a deformation monitoring drilling hole of one side of the roadway, the other end of the drillingdeformation monitoring device is fixed at the side part of the roadway, and the two ends of the drilling deformation monitoring device are connected through a liquid guide pipe. The drilling stress and deformation monitoring devices monitor drilling stress and deformation signals in real time and transmit the signals to the nearby monitoring substations through a communication cable; each monitoring substation transmits monitoring signals to the monitoring master station through optical fibers, and the monitoring master station transmits all monitoring signals to the ground terminal through aring network. The device has the characteristics of flexibility, reliability, good monitoring effect, low cost and the like, and can be widely applied to prediction and early warning of rock burst inthe coal mine main roadway area.
Owner:NORTH CHINA INST OF SCI & TECH

Fotiaoqiang unfreezing method and quality analysis method of unfrozen Fotiaoqiang

The invention relates to the technical field of food, and particularly relates to an unfreezing method for improving flavor quality of frozen Fotiaoqiang and a quality analysis method of unfrozen Fotiaoqiang. The unfreezing method comprises the following steps: putting the frozen Fotiaoqiang in an ultrasonic device, and unfreezing in still water till that the center temperature is 25 DEG C. The analysis method comprises the following step: determining the influence of differentunfreezing modes on the quality of Fotiaoqiang according to the aldehydes substance change of the unfrozen Fotiaoqiang sample. According to the Fotiaoqiang unfreezing method disclosed by the invention, as only a low-frequency ultrasonic method is adopted to assist still water unfreezing, the technical prejudice that the Fotiaoqiang wall needs to be unfrozen by combining microwave, natural unfreezing and other modes in the art in the field is overcome. According to the analysis method for the quality of the unfrozen Fotiaoqiang, the influence of different unfreezing modes on the quality of the Fotiaoqiang product can be scientifically and comprehensively obtained only by measuring the change of the aldehyde flavor substances of the unfrozen Fotiaoqiang sample.
Owner:FUJIAN AGRI & FORESTRY UNIV

Thermogravimetric analysis device and method for microwave pyrolysis sludge

The invention relates to a thermogravimetric analysis device and method for microwave pyrolysis sludge. The device is characterized in that microwave magnetrons are arranged on two sides of a microwave oven cavity; an infrared temperature measuring probe is arranged directly above a quartz beaker, and an infrared temperature measuring instrument is connected with a computer; nitrogen in a nitrogenbottle is supplied by a quartz fine tube to the quartz beaker located in the microwave oven cavity; the upper end of a quartz bracket supported on an online weighing balance extends into a bracket channel and supports the quartz beaker; the online weighing balance is connected with the computer; the quartz bracket is sleeved with a metal shielding ring. The method comprises the followings steps:a sludge sample is put in the quartz beaker in the microwave oven cavity; nitrogen is supplied to the quartz beaker by the quartz fine tube; the microwave oven cavity is heated by the microwave magnetrons; temperature and quality data are obtained by the computer in real time. The device can prevent microwave leakage, improve measurement accuracy of the sample temperature, prevent adverse effectson the heated sample, and improve measurement accuracy of the sample temperature. Mass and temperature of the sample can be accurately measured and collected in real time with the method.
Owner:XUZHOU UNIV OF TECH

Online measuring device for suspended sediment

The invention provides an online measuring device for suspended sediment. The online measuring device comprises a submerged pump and a heat insulated box, wherein a water storage tank is arranged in the heat insulated box, and a first inlet is formed in the bottom of the water storage tank and connected with the submerged pump through a connecting pipe; a second outlet and an auxiliary water tankare arranged on the side surfaces of the heat storage tank, a second inlet is formed in the lower part of the auxiliary water tank and communicated with the water storage tank, and a second outlet isformed in the upper part and communicated with the water storage tank; an online cement paste density measuring instrument is arranged in the auxiliary water tank, and a control box is arranged at thetop of the heat insulated box. The online cement paste density measuring instrument and modern technologies such as data acquisition, modern communication, computer network, database and informationanalysis are closely combined with test requirements of hydrologic suspended sediment, the efficient and reliable hydrologic suspended sediment measuring and forecasting equipment with high automationdegree is formed, automatic collection, networking transmission and scientific analysis of suspended sediment information are realized, and timeliness and reliability of collection, transmission, processing and analysis of the suspended sediment information are effectively improved.
Owner:邢杰炜

Intelligent on-demand feeding device

The invention relates to an intelligent on-demand feeding device. The feeding device comprises a feeding mechanism and an intelligent control structure. The feeding mechanism is characterized by comprising a material storing box, a breeding tank, a material conveying pipe, a transmission mechanism and a power mechanism, and the intelligent control structure comprises a material demanding sensor, residual feed sensors and an intelligent controller; a feed opening of the conveying pipe is fixed in the bottom of the material storing box and is communicated with the material storing box, and a discharge opening of the material conveying pipe is communicated with the breeding tank; a movable power input end of the transmission mechanism is connected with a power output end of the power mechanism; a control end of the power mechanism is connected with one of control signal output ends of the intelligent controller; a signal output end of the material demanding sensor is connected with one of signal input ends of the intelligent controller; the signal output ends of the residual feed sensors are connected with two of the signal input ends of the intelligent controller; a control signal input port of the intelligent controller is connected with a manual input end or a network communication port; an intelligent residual feed detecting structure consists of the intelligent controller and the residual feed sensors. Through the use of the feeding device disclosed by the invention, diseases caused by the deterioration of the residual feed can be avoided, so that the economic benefits can be greatly improved.
Owner:李乔

A multi-parameter and multi-measuring point monitoring device for coal mine gas disasters

The invention relates to a coal mine gas disaster multi-parameter and multipoint monitoring device. The device is characterized by comprising a gas pressure monitoring device, a drill hole stress monitoring device, a gas concentration monitoring device, a plurality of monitoring sub stations, a monitoring branch station and a ground terminal. The gas pressure monitoring device is arranged in a first drill hole of one side of a roadway, the drill hole stress monitoring device is arranged in a second drill hole of the other side of the roadway, and the gas concentration monitoring device is suspended on the top plate of the roadway; the gas pressure monitoring device monitors the gas pressure signals in real time and transmits to a first monitoring substation; the drill hole stress monitoring device monitors the drill hole stress signals and transmits to a second monitoring sub station; the gas concentration monitoring device monitors the gas concentration signals of an operation space in real time and transmits to a third monitoring sub station; the first, second and third monitoring sub stations transmit the signals to the monitoring branch substation by the wireless communication technology, and the monitoring branch substation transmits all monitoring signals to the ground terminal through an optical fiber. The device can be widely applied to predication of coal and gas outburst and rockburst of coal mine.
Owner:NORTH CHINA INST OF SCI & TECH

Enterprise resource intensive utilization method and device

PendingCN111598459AImplement data collectionRealize association fusionResourcesGraphicsBusiness enterprise
The invention relates to an enterprise resource intensive utilization method and device, and belongs to the technical field of computers, and the enterprise resource intensive utilization method comprises the steps: obtaining the business registration information of an enterprise; positioning the geographic position of the corresponding enterprise according to the registration information based onthe geocoding technology of the geographic grid; obtaining economic related indexes of the enterprise; determining a corresponding enterprise intensive utilization related index according to the economic related index; displaying enterprise intensive utilization related indexes in a geographic graph based on a 3S technology; and displaying the thematic distribution map of each enterprise on the geographic graph in an overlapping manner, thus solving the problems that in traditional enterprise resource intensive utilization management, data resource accuracy is not high, and enterprises and parcels are lack of association, and analysis and display visualization is not high, and enterprise evaluation model accuracy is not enough. Related index results of economic high-quality development can be comprehensively and integrally associated and displayed, and accurate and scientific analysis and evaluation of economic high-quality development and land and efficiency conditions and the like are achieved.
Owner:苏州云联智慧信息技术应用有限公司

Device and method for detecting refrigerant leakage of automobile air conditioning system

The invention provides a device and a method for detecting leakage of a refrigerant of an automobile air conditioning system and particularly relates to a device for detecting leakage of the refrigerant of the automobile air conditioning system. The system comprises an environment cabin, a temperature control system used for controlling the temperature of the environment cabin, a gas balance device used for controlling gas balance in the environment cabin, and a refrigerant analysis device used for the environment cabin, wherein the temperature control system is installed in the environment cabin, the environment cabin is provided with a gas inlet, the gas balancing device is connected with the gas inlet, the environment cabin is provided with a sampling port and a sample return port, one end of the refrigerant analysis device is connected with the sampling port, and the other end of the refrigerant analysis device is connected with the sample return port. According to the refrigerant leakage detection device, the leakage rate of the whole air conditioner system can be comprehensively and scientifically analyzed, and enterprises can explore and rectify the leakage level of the automobile air conditioner.
Owner:BEIJING CATARC DATA TECH CENT
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