2995results about How to "Reduce maintenance workload" patented technology

An evaluation and support system of electric power device state comprises system management module for managing test process, authority, organization and personnel; data management module for classifying and managing device data such as device type, device parts, device parameter, weight ant test parameter; state evaluation management module for obtaining healthy state result of electric power device by calculating and analyzing means.

The related self-powered minimize wireless sensor network node for state monitor based on piezoelectric vibration comprises: a piezoelectric vibration power 1 including a long-term storage capacitor 10, a DC / DC converter 9, a voltage stabilizing tube 8, a voltage multiplier 7, and a piezoelectric transducer 6; a microcontroller 4 to operate the power supply of capacitor 10 to device 3 through a controlling switch 6, a RF transmitting device 3, and a sensor 5. Besides, the microcontroller 4 also processes data from sensor 5 and transmits result and control information together to device 3. This invention minimizes node power consumption.

The invention discloses a method for realizing information sharing between data collection and monitoring system and geographic information system. The method includes the following steps: taking one of the data collection and monitoring system and the geographic information system as a model export party, converting an electric system model inside thereof into an electric system model document meeting public information model regulations; transmitting the converted electric system model system into another system from the data collection and monitoring system and the geographic information system as the model export party; the model export party resolves the electric system model document according to the public information model regulations and converts the data obtained through resolving into an electric system model inside the model export party. The invention can meet the regulation of physical isolation required in General Framework for Secondary System Safety Protection of National Electric Systems, and can realize excellent interface generality simultaneously.

The invention includes following subsystems and procedures: smoke-dust monitoring subsystem for monitoring concentration of smoke-dust in real time; subsystem of monitoring parameters of fume emission in use for detecting parameters including oxygen content, flow rate, pressure, and temperature in real time; subsystem of monitoring gaseous pollutant in use for sampling and controlling fume to carry out pretreatment; system control and data acquisition process subsystem in use for collecting signals output from the said subsystems, carrying out processing, storing, displaying, recording and statistical operations to implement transferring data in real time remotely; communication between program controlled pretreatment for fume and computer in central station of monitoring environmental protection. Using modern techniques such as sensor, detection, computer, network etc, the invention possesses advantages of high automation, good stability, quick processing and low operating cost.

The invention relates to a 3D-coordinated power grid energy management system and a power grid evaluation and control method, which belongs to the field of scheduling automation of power system. The system comprises a power grid model reconstruction sub-system, a power grid safety evaluation and alarm sub-system, an active frequency optimization control sub-system and a passive voltage optimization control sub-system, and a background calculation sub-system and a system foreground. The method comprises following steps: tracking isoline of an external power grid and automatically reconstructing a global power grid model; automatically executing online safety analysis integrated with static power grid, dynamic power grid, voltage stabilization, coordination of relay protection setting values, etc., and online recognizing the safety state of the power grid; alarming for normal unsafe condition, and carrying out prevention control; alarming for emergent conditions, and carrying out correction control calculation; and carrying out realtime active scheduling closed-loop control and passive voltage optimized closed-loop control under normal safety condition. The invention can achieve comprehensive and coordinated closed-loop control for the safety of the power grid, the economy and the electric energy quality.

The system includes a field working station and a remote service center. The field working station runs the OPC data collection module and the network data releasing module conforming to TCP / IP protocol by using the OPC data collection and network data releasing application program, and is connected to the field control center through OPC interface. The remote service center runs the network terminal module conforming to TCP / IP protocol, the remote OPC server module and the remote control module supporting OPC interface by using network terminal application program and the remote OPC service application program. The network communication terminal module receives the field data released by the network data releasing module, and then releases the received data to the remote OPC service module by which the data is transmitted to the remote monitoring module.

The invention discloses a method of serial communication, wherein, master equipment is connected with at least one slave equipment; the master equipment provides a communication clock signal (CLK) to the slave equipment by a clock signal wire, notifies the slave equipment to start reading / writing operation by a synchronous signal (SYN), and transmits a slave equipment address or a register address to the slave equipment by a downstream data signal (CMD); and the master equipment transmits downstream data to the slave equipment by the downstream data signal (CMD), or the slave equipmen transmits upstream data to the master equipment by an upstream data signal (DAT). The method of serial communication comprises a serial communication method of the master equipment, a serial communication method of the slave equipment and a serial communication method for interaction of the master equipment and the slave equipment. The invention also discloses the master equipment and the slave equipment. The proposal of the invention has the advantages of easy realization, pin resource conservation and cost reduction.

The invention discloses an integrated online monitoring system for drainage pipeline liquid level and flow. The system is composed of a data center and at least one monitoring subsystem. Each monitoring subsystem comprises a monitoring point and a monitoring device installed on the monitoring point. The monitoring devices collect related monitoring data of the monitoring points and send the monitoring data to the data center for processing and real-time dynamic displaying. The integrated online monitoring system for the drainage pipeline liquid level and flow can be applied to liquid level and flow online monitoring, waterlogging or overflowing early warning and alarming, monitoring data public issuing, monitoring data statistic analysis and the like of point locations such as a drainage pipeline, a drainage channel, a drainage inspection well, a drainage opening, a city sunken road, a city underground parking garage and a city receiving water body.

This invention discloses one method and device to sort data batch process, which comprises the following steps: integrating and storing disperse stored data; setting mode operation and parameters set to store different sorts of data process parameters; the said mode board is to generate different sort data batch process; according to the mode operation and the said parameters generation different sort of data batch; executing the said operations. This invention legally uses systematic materials to quicken process operation speed.

The invention provides a vibroacoustic railway bridge healthiness monitoring apparatus, system and method. The monitoring apparatus comprises a sound collecting device and a communication treatment device, wherein the sound collecting device is used for collecting a sound spectrum generated in the vibration impact of a rail bridge by a wheel excitation source, and the communication treatment device is used for transmitting the sound spectrum; and the bridge healthiness monitoring system comprises the monitoring device and a cloud calculating server, and the sound collecting device is used for collecting the sound spectrum generated in the vibration impact of a rail bridge by the wheel excitation source and sending a signal to the cloud calculating server in real time. The cloud calculating server is used for storing and analyzing the sound spectrum; and the bridge healthiness monitoring method statistically analyzes the deformation of a bridge structure by using the transmission spectrum characteristics of sounds in the bridge structure on the basis of a sound monitoring and fault diagnosing technology and evaluates the bridge healthiness condition. The apparatus, the system and the method have the advantages of simplification of onsite bridge monitoring devices, engineering cost saving, and reduction of the maintenance workload of an online monitoring system through intensive management.

The present invention discloses a pressure filter, which comprises multiple groups of filter plates, wherein the adjacent filter plates are arranged in a contact manner, and each filter plate is provided with a material channel and a pressure filtration space with a variable volume and for accommodating a material. One end of the material channel is communicated with the pressure filtration space, and the other end is communicated with the pressure filtration space of the adjacent filter plate. Each filter plate is further provided with an air channel for communicating the filter plate pressure filtration space and a liquid channel for communicating the pressure filtration space of the adjacent filter plate. Filter screens are arranged on both sides of the filter plates and are positioned inside the adjacent pressure filtration space, wherein a filter cloth is covered outside the filter screen. The pressure filter of the present invention has characteristics of fewer components, simple and reliable structure, and low equipment maintenance workload. The present invention provides a pressure filtration method. According to the pressure filtration method of the present invention, two-stage pressure filtration and one-stage drying are adopted, wherein the first stage is that a driving pump is adopted to feed the material to carry out pressure filtration, the second stage is that high pressure air pressurizes the filter cloth to carry out pressure pressing, and the third stage is that the material is dried with high temperature air, such that pressure filtration efficiency is improved, and effects of automatic material unloading and filter cloth cleaning are achieved through the high pressure air.

The invention provides an interoperation picture file checking method based on a CIM / G standard, which comprises the following steps: step 1, checking the correctness of the format of a picture file through the XML format examination, step 2, carrying out the standard conformity checking on the picture file through establishing an XML Schema file based on the CIM / G standard, and step 3, acquiring the device information of the pels in the picture file through loading corresponding database or device model information of the picture file, and carrying out the power system rule checking on the connection relation and the electrical properties of the pels in the picture file according to a power system rule after carrying out the picture-model consistency checking on the device information of the pels in the picture file. The interoperation picture file checking method, provided by the invention, can judge whether the interoperation picture file has a problem from the multiple aspects or not, and reduces the problem that information cannot be analyzed, which is caused by that data interaction correctness is influenced or the operation standard is not met, which are resulted from file format mistake.

The invention discloses a data distribution system based on a CDN (content distribution network). The data distribution system comprises an access layer device, one or more relay layer devices and one or more margin layer distribution devices, wherein the access layer device is suitable for receiving a broadcasting data packet from a broadcasting source and converting the broadcasting data packet to a transmission data packet of a predetermined format; each relay layer device is suitable for performing relay transmission on the transmission data packet of the predetermined format converted by the access layer device through a uniform transmission protocol; each margin layer distribution device is suitable for receiving the transmission data packet of the predetermined format after relay transmission performed by each relay layer device and converting the transmission data packet of the predetermined format to a data packet of a terminal broadcasting protocol according to a terminal request and distributing the data packet to the terminal. The invention also provides a data distribution method based on the CDN. By utilizing the data distribution system and the data distribution method, the reliability of live stream can be greatly improved, and the transmission efficiency among backbone networks also can be greatly improved.

The invention discloses an online analysis system of a ship exhaust emission. The online analysis system of the ship exhaust emission comprises a flue gas sampling unit, a flue gas pretreatment device, a flue gas analysis system, a flue gas parameter measuring system, an automatic blowback control system, a data acquisition system (DAS), a smoke monitoring system, a flue, a gas testing room and an analysis instrument cabinet, wherein the flue gas sampling unit comprises a sampling probe, a smokometer, a flowmeter, a moisture tester, a pressure sensor and a temperature sensor; the flue gas pretreatment device comprises a sample gas pretreatment unit, calibration equipment and a purging unit; the flue gas sampling unit is arranged in the flue, and connected with the analysis instrument cabinet through a cable; the flue gas pretreatment device and the flue gas analysis system are both mounted in the analysis instrument cabinet. With the adoption of the online analysis system of the ship exhaust emission disclosed by the invention, real-time, on-line and continuous detection of a variety of pollutants in flue gases can be carried out, a gas chamber can be prevented from corrosion damage and pollution, and a gas pipeline can be prevented from blockage; furthermore, the performances are stable and reliable, and the maintenance workload is small.

An object of the present invention is to provide a management method of network device, which can implement concentrate management of a large number of network devices with a small amount of IP resources, and thereby reducing maintenance workload and facilitating network management. In the management method of network devices according to the present invention, the plurality of network devices compose a cluster, wherein at least one network device is designated as the cluster management device and is configured with a public IP address; other network devices are configured and updated with private IP addresses and routes by said cluster management device; the network management device manages the network devices in the cluster through the following steps: (A) establishing IP data channels via said cluster management device between the network devices in the cluster and said network management device by said cluster management device; and (B) managing the network devices in the cluster through said IP data channels by said network management device.

The invention discloses a Beidou / GPS combination based safe train locating method and system. A Beidou satellite navigation system is combined with a GPS satellite navigation system, a ground differential station system, a train-mounted speedometer and a ground responder system are combined in use, and safe location of a train is realized. The system of the invention can coexist and be compatiblewith existing train locating systems, and satellite navigation is safer in the aspect of train locatin.

The invention is a fire monitoring method and device based on all- direction computer vision, mainly making field monitoring by all-direction computer vision sensor, inputting the taken continuous all-direction image into the computer for continuous image processing and analysis, and obtaining a synthetic result by simple fire mode classification, flame area change characteristic judgment, flame shape change characteristic judgment, flame color characteristic judgment, flame flickering rule characteristic judgment, whole flame motion characteristic judgment and fire intensity characteristic judgment, making different processings according to the calculation and synthetic judgment quantized values to reduce false alarm rate of fire. And the invention provides a truly original, quicker, accurater, more reliable multiparameter intelligent fire monitoring method and device.

A method and system for implementing an embedded multilingual WEB page, an embedded device WEB user interface design, the method includes the following steps: S1 defines the type of language; S2: translate the language to generate an excel list; S3: use the translation The tool converts the excel list into a multilingual resource file; S4: reads the multilingual resource file into the memory hash table; S5: reads the language resource value in the hash table, and displays it on the WEB page. The system includes a multilingual file translation module, a multilingual resource conversion module, a multilingual resource reading module, and a page element display module. The invention can save bandwidth, is suitable for javascript processing in browsers, conveniently expands language versions, satisfies continuous growth and changes in overseas markets of embedded devices, and can reduce test maintenance and management costs of different language versions.

The invention discloses a black-start ADM (aid in decision making) supporting / training system and a method thereof. The black-start ADM supporting / training system and the method thereof solve the problems of deficiency of effective ADM tools under the condition of blackout of the prior power system, formulation of a system recovery proposal only by experience and incapability of being suitable for the current electric network requirements, and have the advantages of simple structure, convenient use, high automation degree, capability of effectively aiding in decision making for dispatchers and so on. The invention is characterized in that: the black-start ADM supporting / training system adopts a C / S architecture and consists of a black-start console module and a black-start computing server, wherein, a black-start console is a functional module which is extended on the basis of a DTS function, provides a user interface of the black-start decision supporting system, and utilizes the DTS function to exhibit and simulate a black-start proposal for achieving the aim of training the dispatchers; the black-start computing server comprises a proposal generation module, a proposal checkout module and so on and can generate a black-start operation sequence proposal by utilization of an intelligent search algorithm according to power failure areas and quickly verify the proposal.

The invention is a soft measuring method for mineral grinding system flooding particle index, which is made up of hardware platform and measuring software, the method includes the selection of assistant variables, case representation, acquisition of initial case in case bank, case reasoning, case storing and maintaining steps. The method uses normal computer control system and normal detector to provide online process data, through a little artificial sampling, creates the soft measuring model of mineral grinding flooding particle based on case reasoning. Compared with normal particle meter, the method reduces the cost.

The invention relates to a method and a special device for the comprehensive control of a storage battery pack, which is characterized in that: storage batteries are discharged or charged by measuring the surface temperature of each storage battery of the storage battery pack and the terminal voltage of each storage battery of the storage battery pack; and a storage battery open circuit alarming signal or a storage battery pack overvoltage alarming signal is output by measuring the floating charge current of the storage battery pack. The special device consists of a main machine (1) and a plurality of monitoring and controlling units (11) with the same structure, wherein the main machine (1) comprises a main control circuit (10), a floating charge current measuring circuit (2), a bus voltage measuring circuit (3), a charge module circuit (4), a discharge module circuit (5), a liquid display (7) and a keyboard input circuit (8). The monitoring and controlling units (11) are parallelly connected; and the output ends of the charge module circuit (4) and the discharge module circuit (5) are connected with the charge control input end and the discharge control input end of charge and discharge control circuits (13) in the monitoring and controlling units (11) respectively. The method and the device are widely used for detecting the storage batteries for power plants, transformer substations, telecommunication and the like.

The invention discloses a directional rock blasting crack propagation method and a directional rock blasting crack propagation device. The directional rock blasting crack propagation device consists of kerf pipes and explosive, wherein each kerf pipe is symmetrically provided with double kerfs along the longitudinal wall. During directional blasting of peripheral blast holes of a roadway or presplit blasting of an open pit slope, the kerf pipes and the explosive are filled in the blast holes to finish directional crack blasting, wherein an included angle of the kerf direction and the presplit blasting outline direction is less than 150 degrees. The energy of the explosive is preferably released along the kerf direction in a centralized way, so that a blasting fracture surface is accurately controlled, the number of blasting cracks in other directions such as a surrounding rock, a slope and the like is greatly reduced, the length for the blasting crack propagation in the direction to be protected is limited, the production efficiency is high, and the construction cost is low; the device has a simple overall structure and is convenient to use, and is particularly suitable for directional controlled blasting of a rock gangway, a tunnel and the slope.

A method for executing batch processing job includes fetching data information being used to finalize specific batch processing job, converting data information to be on-line affairs job according to preset on-line affairs conversion rule, sending said on-line affairs job to on-line affairs job processing environment for carrying out process there, receiving and storing processed result feedback from said processing environment, fetching next data information and repeating above said process till all data information is processed.

The invention relates to a general template for an automated relay protection tester and an instantiation method of the general template. The general template comprises basic template information, an IEC 61850 parameter and a protection test project. The basic template information comprises a template name, a protection network segment, a protection name, device description, a protection model, an access node and an IP address. The IEC 61850 parameter comprises a fixed protection value, a control word, a soft pressing plate and data model information of a protection event. The protection test project comprises setting value calculation and setting under the protection test project. The general template for the automated relay protection tester and the instantiation method of the general template have the advantages that the adaptation of the automated relay protection tester is improved, compared with the method that different templates are set according to protection devices of different manufacturers, by means of the general template and the instantiation method of the general template, the maintenance difficulty and the maintenance workload of the template are remarkably lowered, the operation complexity of the automated relay protection tester is lowered, and a user can conduct instantiation the template of the protection device of a specific model quickly.

A automatic fire unit based on comprehensive vision sensor comprising microprocessors, video frequency sensors for the surveillance, communication modules used to communicate with the outside world and firefighting nozzles, the firefighting nozzle is connected to drives, the video frequency sensor is a multi-dimensional visual sensors, dispose and analysis images, make a comprehensive judgment through the simple pattern classification, the flame area characteristics judgment, the flame physical characteristics judgment, flame color judgment, the law of flame flashing judgment, flame movement characteristics judgment and judgment of the fire intensity, automatically adjust the nozzles according to flames position and spray extinguishing agent assigned in the vicinity of the fire source. The invention can effectively reduce the false fire alarm rate, inspect and locate accurately, with good real-time performance and automatically control the nozzle spray fire-extinguishing agent to the flames found in the shortest time, the achieved detection and control is simple.

The invention relates to a one-step copper smelting technology and a device thereof. The interior of a furnace body is divided into three zones, namely a smelting zone, a blowing zone and a refining zone, by a retaining wall; and two rows of spray guns which are arranged in a staggered manner and have an included angle with a vertical line are arranged at the bottoms of the zones; return dust is mixed and then added into mixed copper concentrate and a solvent through a charging opening of the smelting zone, oxygen-enriched air is sprayed through the spray guns to carry out self-heating smelting, to generate copper matte; the spray guns in the blowing zone spray oxygen-enriched air so as to blow copper matte into crude copper and slag; the spray guns in the refining zone supply oxygen-enriched air for oxidization, and supply natural gas as a reductant for reduction, and the generated anode copper with high purity is interruptedly discharged form a copper discharging opening, so that the low-altitude pollution problem caused by SO2 can be solved, the operation environment can be greatly improved, the utilization rate of sulfur and heat can be obviously increased, and further the economic benefits can be increased further; in addition, the invention provides a one-step copper smelting technology which is more advanced, shorter in flow, lower in investment, lower in comprehensive energy consumption, higher in recovery rate, and better in comprehensive utilization in comparison with the existing continuous copper smelting technology.

The invention relates to a direct-drive combined motor which comprises a self-control permanent-magnet motor and a concentric magnetic gear. The permanent-magnet motor and the magnetic gear are integrated by adopting the sleeve-type structure or the axial series connection structure. The combined permanent-magnet motor can automatically realize the high-speed low-torque power transfer and the low-speed high-torque power transfer therein without a mechanical gear case. The motor can serve as an electric motor and a power generator.

The present invention belongs to the technique field of wind power generation, and relates to a yawing device of an aerogenerator, which consists of a controller, a yawing arrester, a yawing pilot relay, a yawing contactor, a yawing electric motor, a yawing retarder, a yawing outer rotor, a yawing counter, a cable sensor, a dogvane, and an anemoscope. The electric motor is connected with the yawing retarder which is joggled with a big yawing rotor. The controller controls the yawing arrester according to the input signal of the dogvane or the anemoscope, and the operation of the yawing electric motor by the yawing pilot relay and the yawing contactor. The yawing electric motor drives the big yawing rotor by the yawing retarder. The electric motor is a magnetoelectric machine with the structure of Halbach magnet. The present invention can improve the starting performance of the yawing device and cause the yawing device to drive the main flight crew compartment to rotate easier under the work situation of frequent starts and stops; at the same time, the over loading capability of the yawing electric motor is improved and the malfunction rate of the yawing device is decreased to maintain the workload, and the operation life of the yawing electric motor is prolonged.

The invention discloses an image detection-based on-line detection and correction method of a reflection angle of a heliostat. Firstly, the heliostat to be corrected and a solar facula image in the heliostat are shot through a camera, the obtained image is processed, whether the solar facula image is positioned in the central position of the heliostat or not is judged, and if the solar facula image is positioned in the central position of the heliostat, the camera is aligned with the heliostat to be corrected; otherwise, the reflection angle deviation Theta of the heliostat is calculated according to the offset of the solar facula image from the central position of the heliostat, and a normal direction of the heliostat is controlled to rotate towards a direction in which the deviation is eliminated at an angle of half the Theta; and secondly, a declination angle Theta' between an angle for the camera to be aligned with the heliostat and an angle for the heliostat to be aligned with a heat collector is calculated, and the heliostat already aligned with the camera is rotated towards the heat collector for half the Theta'. By adopting the method, the heliostat can be accurately aligned with the heat collector when a static field is mounted, and errors caused by mechanical deformation and foundation settlement during long-term running of the static field can be corrected.