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1221results about How to "Accurate grasp" patented technology

Intelligent fire coal scheduling system for thermal power plant

The invention provides an intelligent fire coal scheduling system for a thermal power plant. The system comprises an on-line coal inventory unit, a material piling and taking machine unit, a coal conveying unit, a coal bin unit and a system server, wherein the system server comprises an intelligent material piling calculation module, an intelligent coal distributing and feeding calculation module, and a material taking decision module; the intelligent material piling calculation module determines the optimal coal piling position to guide the material piling and taking machine unit to complete coal piling; the intelligent coal distributing and feeding calculation module is used for receiving coal inventory information of the on-line coal inventory unit and the real-time state of a boiler unit, determining a coal distribution scheme according to the coal inventory information and the real-time state of the boiler unit and further determining a coal feeding scheme according to boiler characteristics and the coal distribution scheme; and the material taking decision module determines a material taking path according to the coal inventory information and the coal feeding scheme to guide the material piling and taking machine unit and the coal conveying unit to cooperatively complete material taking. The fire coal of the thermal power plant is subjected to full-life cycle management and intelligent scheduling, and the boiler unit is ensured to have high safety, economy and environment friendliness under the condition of co-combustion.
Owner:HUAZHONG UNIV OF SCI & TECH

Cable 10kV high voltage ring main unit remote monitoring and control system

The invention relates to the field of electric power system monitoring, in particular to a cable 10kV high voltage ring main unit remote monitoring and control system which is used for conducting real-time monitoring of operation conditions of power distribution facilities and distribution cable lines, realizing early warning and alarming of abnormal and failure states and postmortem analysis after accidents, and controlling and regulating the operating environment of equipment through remote operation. According to the cable 10kV high voltage ring main unit remote monitoring and control system, grid smart operation management serves as the target, various on-line monitoring techniques are integrated, and monitoring cameras, a fan and solar equipment are installed in a switching station; the system can be used for checking the information of the monitoring cameras in the switching station in real time, monitoring the operating state of the fan, realizing the early warning and alarming of the abnormal and failure states and the postmortem analysis after the accidents, realizing dynamic evaluation of health conditions of the equipment, and realizing remote operation control over monitoring of the equipment; a multi-dimensional display technology is combined, safe and reliable operation capacity of a distribution network is enhanced, trouble shooting efficiency and maintenance efficiency are improved, and therefore a complete set of grid visual monitoring system is formed.
Owner:STATE GRID CORP OF CHINA +1

Intelligent management system for tool based on radio frequency technology

InactiveCN104331790ARealize the whole process of information managementAccurate graspCo-operative working arrangementsLogisticsInformatizationWeb service
The invention discloses an intelligent management system for a tool based on a radio frequency technology. The intelligent management system comprises a hardware part and a system software part, wherein the hardware part comprises an RFID (Radio Frequency Identification Device) electronic tag, a fixed reader-writer, a handheld reader-writer, an application server, a WEB server and a database server; the RFID electronic tag carries out information exchange with the fixed reader-writer and the handheld reader-writer through radio frequency; information of the fixed reader-writer and information of the handheld reader-writer are transmitted to the application server, the WEB server is connected to the database server through a backbone network, and the application server is connected to the WEB server and the database server through network equipment. According to the intelligent management system, intelligent management of each link of the tool, such as warehouse in and out, maintenance, test and abandonment, can be normalized, the speed and the accuracy for data input of each link of warehouse management are guaranteed, the whole informatization management of the life cycle of the tool is implemented, the use safety of the tool is guaranteed, and the load of a worker is reduced.
Owner:STATE GRID CORP OF CHINA +2

Work state virtual simulation system for electric haulage shearer based on different geological conditions

A work state virtual simulation system for an electric haulage shearer based on different geological conditions belongs to automatic control and system simulation of shearers. The work state virtual simulation system comprises devices and a method, wherein the devices consist of a shearer work condition remote monitoring platform, a database, a remote controller, a visual basic system, an industrial Ethernet, a local controller and a machine-mounted detection control system. The method comprises the following steps of: acquiring shearer work condition parameters for the machine-mounted detection control system; carrying out data analysis on the shearer work condition parameters; finally, transmitting the shearer work condition parameters to the shearer monitoring platform for detecting and achieving through the local controller and the industrial Ethernet; on the basis of accessing an achieving database in real time, drawing fully mechanized coal faces under different geological conditions by applying a virtual real technology; and driving a shearer virtual sample machine to realize real reappearance of the work state of the shearer. A shearer virtual sample machine model is driven by using real-time work condition parameters provided by the machine-mounted detection control system, so that a shearer virtual simulation system has the field feeling entering the fully mechanized coal faces and favorable interaction.
Owner:CHINA UNIV OF MINING & TECH

Motor train unit position tracking system

The invention relates to a motor train unit position tracking system comprising a server, a station combination control subsystem, a train number identifying subsystem and a position tracking subsystem, wherein the server comprises a communication module, a database access module, a microcomputer monitoring system module and a WebServices interface; the train number identifying subsystem realizes the identification of train numbers by reading train number labels of a motor train unit through automatic train number identification equipment and transmits train number label information to a train number identification terminal; the position tracking subsystem comprises a sensor and a lower computer acquiring the information of the sensor; the station combining-control subsystem comprises a station repeating terminal and a dispatching terminal; and equipment connected with the communication module comprises the lower computer, the dispatching terminal, the train number identification terminal and the station repeating terminal and carries out real-time communication according to IP addresses and port numbers of different equipment. The invention automatically controls and displays by a computer, enhances the operation efficiency of dispatchers and reduces potential safety hazards.
Owner:合肥安迅铁道应用技术有限公司

Fault intelligent diagnosis and analysis system and method based on dispatching integrated data platform

The invention discloses a fault intelligent diagnosis and analysis system and method based on a dispatching integrated data platform. The system comprises at least one oscillograph device, wherein the oscillograph device is used for uploading collected fault data to a dispatching data network through a corresponding switch; the system further comprises a data and application server, an oscillograph networking system, a relay protection information system and an integrated automatic system; the oscillograph networking system, the relay protection information system and the integrated automatic system are used for obtaining the fault data from the dispatching data network, analyzing the fault data and uploading an analysis result to the dispatching integrated data platform; and the data and application server is used for obtaining the fault data analysis result from the dispatching integrated data platform and matching the fault analysis result; according to the invention, analysts accurately master the fault process in time, obtain action information of a protective device and provide reference for dispatchers to analyze faults; and the dispatchers can concentrate on fault processing; therefore, the working efficiency is increased and the fault processing time is reduced.
Owner:STATE GRID SHANDONG ELECTRIC POWER +1

Synthetic meter system of hybrid vehicle

InactiveCN101318473AAccurate graspAccurate and dynamic operationElectric/fluid circuitMotor driveVoltage
An integrative instrument system of a hybrid electric vehicle includes an instrument controller, a liquid crystal display terminal and a stepping motor instrument plate. The instrument controller includes a central processing module, a CAN information receiving and transmitting module, a serial communication module, a stepping motor drive module, a power voltage adjusting module and an external keystroke inputting module. The CAN information receiving and transmitting module receives the CAN information from a CAN bus interface and is connected to the central processing module, namely the CAN port of an SCM; the serial communication module is connected with the serial port of the SCM and the data receiving serial port of a colorful liquid crystal display terminal; the input end of the stepping motor drive module is connected with the I/O port of the SCM; the output end of the stepping motor drive module is connected with a 16-bus connector; the power voltage adjusting module converts an inputted 12V vehicle DC power into a 5V power to supply power for the power-consuming chips like the SCM, etc. The external keystroke inputting module is connected with one I/O port of the SCM for controlling the output of high-low levels. The integrative instrument system of a hybrid electric vehicle is characterized by multiple functions and low cost.
Owner:INST OF ELECTRICAL ENG CHINESE ACAD OF SCI
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