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39results about How to "Timely data" patented technology

Urban tunnel construction monitoring method including half-covered excavation and sequential construction method and monitoring system

The invention provides an urban tunnel construction monitoring method including a half-covered excavation and sequential construction method and a monitoring system, and belongs to the field of engineering monitoring. The method comprises a tunnel construction method including the half-covered excavation and sequential construction method, a manual monitoring method and an automatic monitoring method. The half-covered excavation and sequential construction method comprises steps of constructing one half of a road during the deep foundation pit construction; after excavating the road for a certain depth, enclosing the top; carrying out the rest engineering under an enclosed top cover; carrying out open-air excavation and construction o the other half of opened part; and after the road is excavated to a standard height, constructing a main body structure and carrying out water-proof operation from the bottom to the top from the lowest layer structure until carrying out backfilling and restoring tube circuits to the basic surface. The manual monitoring method comprises steps of presetting a test piece and a test point in a fixed position; and using an instrument to carry out manual measurement to acquire related data. The automatic monitoring method comprises the step of achieving construction monitoring on deformation and force bearing of a tunnel support system through the data automatic acquisition technology, the network wireless communication technology and the database application technology so that a data guidance dynamic construction scheme can be dynamically fed back and monitored at any time.
Owner:SHENYANG POLYTECHNIC UNIV

PLC control system and method for dual power supply and communication of speed regulator hydraulic system

PendingCN110955187AEnsure safetyImprove automation technology level and production efficiencyProgramme controlComputer controlSystems engineeringControl system
The invention discloses a PLC control system and method for dual power supply and communication of a speed regulator hydraulic system. The PLC control system comprises a PLC main station A, a PLC mainstation B and a substation C, and the communication module of the substation C is connected and communicated with the communication module of the PLC master station through a double-channel coaxial cable, and uploads data to the CPU module of the master station in real time. And the touch screen HMI is in communication connection with the CPU module of the PLC master station through the concentrator by taking the Ethernet as a transmission medium, so that real-time data exchange between the touch screen HMI and the PLC master station is realized. And redundant communication between the masterstation and the PC is realized. And the PLC main station A and the PLC main station B are in communication connection through an optical fiber. According to the system, dual PLC control of a redundant power supply and communication is adopted, so that the system is not influenced by a local single fault during operation, and online maintenance can be realized; Meanwhile, normal operation of the system is not influenced during offline repair of fault components, so that the purposes of improving the reliability of the system and reducing the failure rate can be achieved.
Owner:CHINA YANGTZE POWER

Communication connection method based on electricity consumption information acquisition system and terminal equipment

The invention provides a communication connection method based on an electricity consumption information acquisition system and terminal equipment, the method is applied to the electricity consumptioninformation acquisition system, the system comprises a control server and a plurality of acquisition terminals, and for any acquisition terminal, the control server sends a keep-alive message to theacquisition terminal according to a preset time interval; if the number of times that the control server sends the keep-alive message to the acquisition terminal reaches a preset number of times and the control server does not receive a reply message sent by the acquisition terminal, the control server judges that the connection between the control server and the acquisition terminal is invalid; and controlling the server to disconnect the connection with the acquisition terminal, and clearing the saved session of the acquisition terminal. According to the invention, the real-time monitoring of the acquisition terminal can be realized, on one hand, the reconnected acquisition terminal can be ensured to be online timely, on the other hand, the consumption of load resources is avoided, and the timely, safe and efficient delivery of the data of the front-end intelligent electric meter to a rear-end acquisition system is effectively ensured.
Owner:STATE GRID CORP OF CHINA +1

Expressway dangerous driving early warning and induction screen linkage publishing method and system

PendingCN112532698AWide detection dimensionImprove road serviceDetection of traffic movementTransmissionImpaired drivingComputer security
The invention provides an expressway dangerous driving early warning and induction screen linkage publishing method and system, and the method comprises the steps: collecting vehicle real-time operation data and road environment data through the Internet of Things, obtaining dangerous driving early warning information by analysis, recognizing a driving road section and a driving direction of a dangerous driving vehicle, and making early warning of dangerous driving; displaying early warning information in the designated induction screen related to the vehicle driving road section direction, sothat the vehicle overspeed driving behavior can be monitored, other dangerous driving behaviors can be analyzed and judged through other algorithms, the detection dimension is wider and more accurate, intelligent linkage of the driving vehicle and the information board equipment is achieved, manual intervention is not needed in the whole process. Road service level is improved. Vehicle speed anddata are collected more accurately, comprehensively and timely, application of a soft and hard combined Internet of Things platform based on a block chain promotes safe and credible collection and chaining application of highway Internet of Things data, the electronic data proof ability is improved, and Internet of Things data privacy safe sharing application is achieved.
Owner:招商新智科技有限公司

Quick measuring method of bivalent copper ion in copper plating bath

The invention belongs to the field of metal ion detection, and relates to a quick measuring method of a bivalent copper ion in a copper plating bath. The method comprises the following steps that PANis adopted as an indicator, a test solution is adjusted to be weakly acidic through a buffer solution, an EDTA standard solution is titrated to the solution until the solution is yellow and green, andthe total content of Cu<2+> and Fe<2+> is calculated according to the volume and concentration of the consumed EDTA standard solution; a sample with the same volume is taken, diphenylaminesulfonic acid sodium salt is adopted as an indicator, a K2Cr2O7 standard solution is titrated to the solution in a strong acid environment until the solution is purple, Fe<2+> are fully oxidized to Fe<3+> by K2Cr2O7, excessive K2Cr2O7 reacts with the diphenylaminesulfonic acid sodium salt, the solution is purple, namely, the equivalence point of the reaction is reached, and according to the volume and concentration of the consumed K2Cr2O7 standard solution, the content of Fe<2+> is calculated; and the content of Cu<2+> can be obtained by subtracting the content of Fe<2+> from the total content of Cu<2+>and Fe<2+>.
Owner:天津市新天钢中兴盛达有限公司

Intelligent parking management system

The invention discloses an intelligent parking management system, which comprises a main control module, a radio frequency reading card circuit, a power supply circuit, a motor driving circuit, an LORA wireless circuit, a display circuit, a parking space circuit, a peripheral circuit and an Ethernet circuit, and is characterized in that the main control module comprises a chip U12, and the power supply circuit provides stable voltage for the whole system; the radio frequency reading card circuit records information of parked vehicles, the motor driving circuit is responsible for telescoping conversion of the parking system, the LORA circuit is responsible for feedback of various information of the parking system of each floor, and the display circuit displays license plate numbers, remaining parking spaces, parking fees and other information. The peripheral circuit is responsible for executing various instructions transmitted by the main control chip and storing data, the Ethernet circuit provides stable network signals for the garage, the intelligent parking space management system is novel in conception, exquisite in structure and high in functionality, the defect that parking spaces can only be stored in a two-dimensional mode is effectively overcome, and the intelligent parking space management system has good market value.
Owner:深圳市道网科技有限公司

High-risk electric energy metering device locking method based on data backflow

The invention provides a high-risk electric energy metering device locking method based on data backflow, relates to the technical field of power utilization management, and solves the problem that a current electricity larceny prevention method is integrated on a platform of a provincial centralized metering automation system, so thatpersonalized data analysis requirements cannot be fulfilled,and the problem that due to coping with platform pressure caused by continuous data import and export and recalculation, professional electricity stealing black-hand technical means cannot be avoided. Data backflow of the provincial-level centralized metering automation system platform is utilized, so that the platform pressure is relieved; the line loss rate change of the feeder line is combined with the operation characteristics of the electric energy metering device, the high-risk electric energy metering device is locked by adopting a method of searching the daily line loss change of the line and the matching degree of the daily load of each user gateway device connected in the line, and field rectification is not needed, so that risks of live construction and high cost of anti-electricity stealing monitoring are prevented, and the data is timely; and the full-life-cycle management of the electric energy metering device is perfected, and the guidance of electricity larceny prevention operation management is provided for a power supply department.
Owner:ZHONGSHAN POWER SUPPLY BUREAU OF GUANGDONG POWER GRID

A blood analysis system for highly infectious diseases

The present invention provides a blood analysis system for highly infectious diseases in order to solve the technical problems of low biological safety and poor real-time performance of the existing blood analysis system for highly infectious diseases, including a sampling mechanism, a measurement and analysis module, A waste liquid treatment device and a liquid circuit system, the measurement and analysis module is composed of an electrolyte measurement module and a biochemical measurement module, the electrolyte measurement module is connected to the sampling mechanism and connected to the waste liquid treatment device through a peristaltic pump, and the biochemical measurement module is composed of A reagent container, a reagent valve, a peristaltic pump, a sampling valve, a reaction pipeline and a detector are sequentially connected to form, the sampling valve is connected to a sampling mechanism, and the detector is connected to a waste liquid treatment device. Its beneficial effect is that the biological safety is high, all the measurement items are carried out in a closed pipeline, there is no injection during the analysis process, and it has a waste liquid disinfection device; the real-time performance is strong, and the analysis of electrolyte items, biochemical items, and immune items are three Combined into one, the instrument is small in size and can be used in the ward.
Owner:SHENZHEN UNIV +1

A locking method for high-risk electrical energy metering devices based on data backflow

The present invention proposes a high-risk electric energy metering device locking method based on data backflow, which relates to the technical field of power management, and solves the problem that the current anti-stealing method is integrated on the platform of the provincial centralized metering automation system, and individualized data analysis cannot be realized Responding to the platform pressure of continuous data import and export recalculation, it is even more difficult to avoid the problem of professional black hands stealing electricity. Using the data backflow of the provincial centralized metering automation system platform to reduce the pressure on the platform, the change of the line loss rate of the feeder and the electric energy Combining the operating characteristics of the metering device, the method of finding the daily line loss change of the line and the matching degree of the daily load of each user gateway device connected to the line is used to lock the high-risk electric energy metering device without on-site rectification and avoid electricity theft monitoring. Construction risks and high costs, and timely data, improve the full life cycle management of electric energy metering devices, and provide power supply departments with guidance on anti-theft operation management.
Owner:ZHONGSHAN POWER SUPPLY BUREAU OF GUANGDONG POWER GRID

Method for measuring the coating amount of insulating coating on the surface of electrical steel

The invention discloses a coating amount measuring method of an electrical steel surface insulating coating. The electrical steel surface insulating coating contains a characteristic element, the characteristic element does not exist in an electrical steel substrate or the content is quite small, and the element has a remarkable and stable X ray characteristic spectral line and is not easily interfered by other element spectral lines. The method is characterized by comprising the following steps: 1), selecting the characteristic element; 2), preparing a standard sample; 3), establishing an analysis curvilinear equation; and 4), measuring the coating amount of the electrical steel surface insulating coating of an actual sample. According to the method provided by the invention, sample preparation is unnecessary, the coating amount distribution situation of the whole electrical steel surface insulating coating can be fully scanned in a stepping manner in a plate width direction, the coating control is more accurate, the sample preparation link and the detection time are reduced, the examination period is shortened, timely data is provided for the control of coating quality, and the method has great guidance significance for actual production.
Owner:武汉钢铁有限公司
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