40results about How to "Guaranteed collection of data" patented technology

The invention relates to the technical field of power grid operation and monitoring, in particular to a power grid operation information panoramic visualized display system. The power grid operation information panoramic visualized display system is provided in order to solve the problems that compatibility is poor and data are incomplete in the power grid visualization technical field in the prior art. An intelligent data information integration platform 1 based on power grid device resources, power grid operation information and power grid management service information is established, all information related to power grid operation is integrated, statistic analysis and data mining are conducted on the basis of information integration, power grid operation decision making is assisted, graphic display is conducted, graphic application services are released for being called by other systems, compatibility is good, and the application and popularization prospects are wide.

A realization method of a calibration system of a strapdown inertial measurement unit based on Labview comprises seven steps: 1, arrangement of parameter, 2, controlling of a rotary table, 3, data acquisition, 4, data storage, 5, calibration and solving, 6, verification of calibration results, and 7, display and function of calibration interface. The method improves an automation degree of the calibration of the inertial measurement unit, saves labor and time needed by the calibration experiment, guarantees reliability of the data acquisition and the controlling of the rotary table, and timing accuracy, and has relatively good practical value and broad application prospects in the technical field of inertial navigation.

The invention discloses a multi-data fusion meteorological prediction early warning method, and the method comprises the steps: carrying out the assimilation of meteorological observation data througha multi-source 4D-WRF-EnSRF data assimilation system, enabling the assimilation data to serve as the input of a DeepConvLSTMs artificial intelligence prediction network, and achieving the training ofthe network and the real-time rainfall prediction of multiple data sources; finely dividing rainfall intervals, and setting early warning levels; seamlessly dividing the coverage area of each mobilemeteorological station; and planning a mobile meteorological station, a meteorological monitoring center, a multi-means publishing platform and a prediction and early warning information publishing system, and guaranteeing real-time linkage of the system architecture. Multi-data acquisition and fusion are realized, prediction and early warning results are uploaded and issued in real time, a to-be-rescued area is rapidly locked, a rescue scheme is issued, and rescue field communication is ensured; the weather forecasting and early warning timeliness and accuracy are improved, the early warninginformation publishing coverage rate is increased, the weather disaster prevention and reduction service capacity and the rescue capacity are enhanced, and life and property losses caused by rainstormdisasters and secondary derivative disasters of the rainstorm disasters are effectively reduced.

The invention discloses a sensor wireless calibration device and method. The sensor wireless calibration device comprises a sensor to be calibrated and a standard sensor, the signal generation module is used for simultaneously applying the same test signal to the standard sensor and the sensor to be calibrated; the control module comprises a first data receiving unit used for receiving a first output signal output by a standard sensor and receiving a second output signal output by a sensor to be calibrated; the first data is used for receiving the first output signal and the second output signal and sending out; the mobile client is used for comparing and displaying the first output signal and the second output signal; a parameter modification instruction is generated according to a modification parameter input by a user, and the parameter modification instruction is transmitted to the first data receiving unit; and the calibration unit performs parameter modification on the to-be-calibrated sensor according to the parameter modification instruction. The technical effects that the parameters of the sensor are calibrated through the mobile client, the circuit connection is simple, and the movement range of the operator is large are achieved.

The invention discloses a power supply centralized monitoring system which comprises a plurality of power supply monitoring modules and a plurality of paths of CAN/RS485 buses, wherein each power supply monitoring module is used for monitoring corresponding power supply data or information; each power supply monitoring module is connected to the corresponding CAN/RS485 bus; each CAN/RS485 bus is connected to a control cabinet; the CAN/RS485 buses are used for transmitting the power supply data or information monitored by the power supply monitoring modules to the control cabinet; the control cabinet parses the received power supply data or information, displays the power supply data or information on a touch screen of the control cabinet and simultaneously, uploads the power supply data or information to a local user information transmission module; and by the local user information transmission module, the power supply data or information is transmitted to a cloud end. The invention further discloses a monitoring method of the power supply centralized monitoring system.

The invention discloses an embedded-type factory waste water remote detection device facilitating management, and the device comprises a distributed WSN detection module and a remote monitoring system. The distributed WSN detection module comprises a first water quality detection module, a second water quality detection module, and a water quality detection module N. The output ends of the first and second water quality detection module and the water quality detection module N in the distributed WSN detection module are electrically connected with an input end of a data processing module. According to the invention, through the setting of the distributed WSN detection module, the data display module and the data querying module, the device can autonomously complete a distribution monitoring task according to different environments, and WSN can be equipped with various types of water quality sensors. A short-distance wireless communication mode is employed for forming a self-organizing network. Compared with a conventional water quality real-time monitoring system, the device reduces the cost while guaranteeing the data collection, transmission, storage and querying of the water quality monitoring system. Moreover, a monitoring node is easy to install and maintain, and is higher in flexibility.

The invention discloses a power quality monitoring and querying method. The method comprises the following steps: collecting, by data monitoring nodes, power quality indicators of respectively monitored distributed power sources in real time, and periodically sending the power quality indicators to corresponding transfer nodes. By adoption of the power quality monitoring and querying method disclosed by the invention, the security of a query end and a power quality monitoring center is both considered, and during large-scale dynamic expansion of data, system stagnation is generated by encryption and decryption. The data monitoring node can accurately obtain the accurate time when a network signal reaches a certain node in the network, has better fault tolerance for the loss condition of received Ethernet frame signals from different signals, improves and effectively optimizes the real-time performance of power quality monitoring of the distributed power sources, can ensure the data collection, transmission and storage in a certain degree of extreme weather, and improves the reliability of power supply.

The invention belongs to the technical field of servo drivers and discloses an alternating current servo driver system and a control method. A DSP (digital signal processor) of the system is connectedwith a three-phase sine PWM voltage type inverter and a rotating transformer through leads, the three-phase sine PWM voltage type inverter and the rotating transformer are connected with a three-phase permanent magnet type synchronous alternating current servo motor through leads, a rectifying filter circuit is connected with a soft start circuit through a lead, the three-phase permanent magnet type synchronous alternating current servo motor is connected with a photoelectric encoder and a current sampling circuit, and the DSP is sequentially connected with a PLC (programmable logic controller) and a touch display screen through leads. The system is controlled by the DSP, forms speed and displacement control closed loops through frequency conversion operation, is more sensitive to controland quick to start, cannot impact a driver, acquires speed and current data of the motor and sends acquired data to the DSP for corresponding control.

The invention relates to an integrated data migration method for a PMS. The method comprises a PMS reference library, a PMS production library, a middle library, an engineering library, an original production system, a support platform and an integrated system. The middle library is used for physical media which are used for data collection, check and storage. The method has the advantages that the data of the original production system and the data of a GIS system are firstly migrated to the middle library; the data is cleared and checked through the middle library; digital display data is imported into the PMS production library; the data verification in the migration process and the final data check are ensured; the migrated data is complete and accurate; system applications are normal, the safe production service is not influenced; the workload of a basic level team or group is not increased; the system data is not reworked repeatedly; and a practical demand of the production management system is satisfied.

The invention discloses a pure sine wave inverter with a high-frequency chopper current sampling and isolating function. The pure sine wave inverter comprises the components of a power input module, an input isolating module, a PWM modulation module, a transformation/rectification/filtering module, an SPWM driving module, an LC filtering module, a sine wave generator, an MCU and a current sampling module. The sine wave generator comprises a first reverse blocking IGBT, a second reverse blocking IGBT, a third freewheeling tube, a fourth freewheeling tube, a sixteenth resistor, a first inductor, a sixth filtering capacitor and a load. The current sampling module comprises a first shunting MOS tube, a second sampling MOS tube, a third sampling MOS tube, a fourth sampling MOS tube, a sampling resistor, a first control resistor and a second control resistor. The pure sine wave inverter has advantages of preventing signal interference, ensuring high accuracy of data which are acquired by an instrument, prolonging service life, reducing weight, realizing relatively convenient mounting, realizing no use range limitation, and realizing sampling on a plurality of current values.

The invention provides a distributive power supply power quality monitoring method. The method comprises the steps of performing networking on a data monitoring node, a transfer node, a power qualitymonitoring center and a mobile apparatus, and the like. The data monitoring node can accurately obtain the exact time when a network signal reaches a node in a network and better fault tolerance can be provided for loss of received Ethernet frame signals from different signals, so that the instantaneity of distributive power supply power quality monitoring is effectively improved, data collection,transmission and storage in extreme weather of certain degrees can be guaranteed and power supply reliability is improved.