88results about How to "Improve online rate" patented technology

The invention provides a line-loss anomaly detection method for an electric power measurement automation system. The method comprises the steps of S1, acquiring a line loss daily fluctuation index and a line loss variation tendency index of each line through the calculation of a line loss data table; S2, respectively judging whether the line loss daily fluctuation index of each line exceeds a first threshold value or not and respectively judging whether the line loss variation tendency index of each line exceeds a second threshold value or not; S3, judging a line with the line loss daily fluctuation index thereof to exceed the first threshold value or the line loss variation tendency index thereof to exceed the second threshold value as a line loss abnormal line. According to the technical scheme of the invention, two abnormal conditions, namely the line loss mutation anomaly and the line loss variation tendency anomaly, can be found out based on the line loss daily fluctuation index and the line loss variation tendency index of each line. Meanwhile, through adjusting the above threshold values, the anomalies of different degrees can be found out. The number of daily abnormal lines can be adopted to evaluate the health degree of the entire power grid. Therefore, the finding sensitivity of the existing system for line loss anomalies is improved. The defect that the manual inspection and discovery is not timely can be overcome. The reasons for line loss anomalies can be further detected.

The invention discloses a multi-factor comprehensive evaluation vehicle maintenance plan balance scheduling system and a method, belonging to the technical field of vehicle maintenance. The schedulingmanagement module of the scheduling system of the invention is used for arranging and managing the annual plan, the monthly plan and the weekly plan of the vehicle overhaul; a workover management module, which is used for carrying out data processing on the workover process to form 12 workover processes that can be changed; vehicle health status evaluation module, which is used to evaluate the health status of the vehicle, from the vehicle reliability, key component detection parameters, life prediction and defect hidden trouble multi-dimensional vehicle health evaluation, to provide a basisfor the development of maintenance schedule and component replacement; the job management module is used for managing the maintenance job task formed according to the final maintenance plan. The invention adjusts the repair sequence and the repair time according to the actual situation, and scientifically and reasonably arranges the repair sequence and the repair time, which is favorable for improving the train line-up rate and improving the reliability and safety of the vehicle at the same time.

The invention relates to a cracking furnace for cracking hydrocarbon steam to prepare ethylene. In a radiation section of the ethylene cracking furnace, two-stroke unbranched reducing furnace pipes or branched reducing furnace pipes are adopted; the first-stroke furnace pipes are arranged in two rows; the second-stroke furnace pipes are arranged in a single row; the first-stroke furnace pipes and the second-stroke furnace pipes are positioned on three planes respectively; the two planes of the first-stroke furnace pipes are symmetric with the plane of the second-stroke furnace pipes; the three planes are parallel with one another, or the two planes of the first-stroke furnace pipes and the plane of the second-stroke furnace pipes form the same included angle and the upper end spacing is smaller than the lower end spacing; and the two-stroke furnace pipes are connected with one another through symmetric bent pipes or bent pipes and S-shaped pipe combined connecting pieces. The first-stroke furnace pipes and the second-stroke furnace pipes can adopt strengthened heat transfer member units according to conditions, so that the operation cycle of the cracking furnace and the service life of the furnace pipes can be further prolonged. The cracking furnace for cracking the hydrocarbon steam to prepare the ethylene has small size of the radiation section, contributes to reducing occupied area and saving investment, and can be applied to new construction of the cracking furnaces or energy expansion reformation of the cracking furnaces.

The invention provides a metering automation system wireless communication failure prediction method. The metering automation system wireless communication failure prediction method includes: dividing history communication quality data collected by a terminal into a training sample set and a testing set; converting features extracted from the training sample set into a training vector set; training the training vector set based on a logistic regression model so as to obtain weight parameter vectors of feature vectors, and thereby obtaining a prediction model for predicting metering automation terminal communication failures; selecting features identical with features extracted from the training sample set from the testing set so as to build a test vector set; evaluating the prediction model obtained through training according to the test vector set, and adjusting parameters of the prediction model according to a prediction result. The metering automation system wireless communication failure prediction method can analyze data of the various communication failures, actively predicts a failure probability of a terminal, and thereby indirectly improves online rate of the terminal, and furthermore can effectively solve problems in communication failure prediction in a power grid.

Provided is a rapid offline fault self-healing control method of a power distribution automation terminal unit. The method comprises the offline fault self-detection stage, the abnormity message processing stage, the data transmission testing stage, terminal unit system program and the network card program resetting stage, the stage of judging whether a channel returns to normal or not after the data transmission testing stage, terminal unit system program and network card program resetting stage is carried out, the stage of keeping abnormity message analysis results on file, and the like. According to the rapid offline fault self-healing control method of the power distribution automation terminal unit, on the premise of being without manual intervention, the terminal unit can finish self diagnosis and self repairing on offline faults within the shortest time, and the online rate of the terminal unit is improved remarkably.

The invention relates to a multi-access concentrator used in a gas burning system and a service method therefor. The multi-access concentrator of the invention comprises a microcontroller LPC2114 chip, a serial port UART0, a serial port UART1, a communication interface RS485, a GPRS module and an Ethernet interface; the concentrator realizes communication with a meter and an administration server by the serial port UART0 and the serial port UART1 respectively. The service method of the invention comprises the following steps: system startup task, server command frame analyses task, periodic meter-reading tasks, configuration of basic data of the concentrator and hook function flow in a real-time operation system. The invention features easy configuration, simple operation, convenience and flexibility and stable operation.

The invention belongs to the technical field of intelligent household electrical appliance networking, and discloses a household electrical appliance networking method and system, and the method comprises the steps: obtaining AP hot spot information of surrounding WiFi, displaying two-dimensional code information, and transmitting the obtained AP hot spot information of the surrounding WiFi to a household electrical appliance body for networking; and carrying out WeChat scanning on the two-dimensional code to obtain binding information, and sending the binding information to a manufacturer server through the Internet so as to realize binding of the household appliance body and the WeChat account. By adopting the remote controller with the display function, the household appliance network distribution process is simplified in a mobile phone code scanning mode, and the user experience is improved. After the remote controller provided by the invention acquires the model information and the networking information, the networking is realized by scanning the two-dimensional code of the remote controller through the mobile phone. Convenience of household electrical appliance network distribution can be achieved with low cost, and the online rate of household electrical appliance networking is improved.

The invention discloses a high-efficiency production method of a safety braid. The high-efficiency production method comprises the following steps: (1) receiving and inspecting raw materials; (2) pre-treating the raw materials; (3) stabilizing yarns; (4) threading the yarns; (5) changing the yarns, and braiding; (6) preparing a dyeing solution; (7) carrying out dyeing pretreatment; (8) carrying out dyeing and color fixation; (9) carrying out dyeing after-treatment; (10) detecting a finished product braid; (11) cutting the braid; and (12) packaging the braid, and warehousing the packaged braid. The high-efficiency production method has beneficial effects that the operability is high, the yarn stabilizing efficiency is high, the yarn stabilizing effect is good, the accuracy and the intelligence in positioning are realized, the orderliness in processing and production is realized, the fault rate of machines is reduced, the dyeing effect is improved, the relatively high dyeing degree and the relatively attractive appearance are guaranteed, and the service life of the safety braid is prolonged.

The invention discloses an intelligent monitoring device and method for a power tower pole. The intelligent monitoring device comprises a controller, an output unit, a remote communication module and an electronic type six-shaft gyroscope, wherein the electronic type six-shaft gyroscope is arranged on the power tower pole and used for detecting an inclined angle of the power tower pole, the output unit is used for controlling switch-on and switch-off of a circuit breaker on the power tower pole, the remote communication module is used for sending warning information to a dispatching station, and the controller is used for sending the warning information to a dispatching center through the remote communication module when the inclined angle, detected by the electronic type six-shaft gyroscope, of the power tower pole is greater than a preset threshold value, or controlling the circuit breaker to trip through the output unit so as to prevent an electric shock accident or prevent a power network fault from being expanded. The intelligent monitoring device and method for the power tower pole are easy to implement, the safety of the power tower pole is favorably guaranteed, and a safety accident is avoided.

The invention relates to a charging pile network communication device, method and system. The device comprises a first communication module and a second communication module arranged on a charging pile, wherein the first communication module is communicated and connected with a server to form a first channel, and a second communication module is communicated and connected with the server to form asecond channel; the first communication module and the second communication module are respectively used for executing one or multiple of the steps of sending monitoring data of the charging pile tothe server, receiving charging control information issued by the server, and receiving a data upgrade operation issued by the server. By adopting the communication module with low cost, strong signaland high coverage rate, the coverage rate and the stability of the charging pile network communication are improved through the dual communication channels, and the communication cost is reduced.

The invention discloses an improvement system and an improvement method for a third party unified network management system on access equipment, which relate to the field of new network element online management. The improvement system comprises the third party unified network management system, convergence equipment and online access equipment, wherein the third party unified network management system actively polls the online access equipment which goes online in a network at regular time, obtains equipment information of an adjacent node, automatically completes registration of newly-added access equipment to the third party unified network management system if the access equipment applies for registration, and manages the newly-registered access equipment. The improvement system and the improvement method can fully promote the online effectiveness of new network element and reliability of the third party unified network management system.

The invention relates to an ethylene cracking furnace. The radiant furnace tube of the cracking furnace of the invention is a two-pass vertical furnace tube; the furnace tube is arranged in two rows, a first pass tube is connected with a second pass tube by a return bend pipe, and both the orthographic projection and the profile projection of the return bend pipe are U-shaped; and the first pass tube and the second pass tube of each radiant furnace tube are arranged in a plane A and a plane B. The cracking furnace of the invention has the advantages that the structure of the furnace tube is simple; as the first pass tube and the second pass tube of the radiant furnace tube are connected by the return bend pipe, the furnace tube is symmetrical and simple in structure and has better mechanical property; as a plurality of furnace tubes can be arranged in the hearth, the method is applicable to the capacity expansion reconstruction of the conventional cracking furnace, which can save investment, and finally fulfills the aim of improving the economic benefit.

The invention provides a refrigerant leakage early warning method for a railway vehicle air conditioning unit.Refrigerant leakage early warning in the train operation process can be achieved through a big data model, early warning can be reported at the initial stage of refrigerant leakage, and fault maintenance is changed into pre-diagnosis detection maintenance, so that the risk that other parts are damaged due to excessive refrigerant leakage of the air conditioning system can be reduced, the risk that passenger complaints are caused due to passenger room comfort reduction caused by insufficient air conditioning refrigerating capacity due to refrigerant leakage can be avoided, sufficient time can be reserved for train dispatching to arrange and maintain a train, and faults are prevented from being reported when the train runs on the main track. Therefore, the main track operation failure rate of the train is reduced, the on-line rate of the train is increased, the passenger satisfaction is improved, the operation efficiency is improved, and the labor cost and material cost of operation departments are saved.

The invention provides a data processing method and device based on a sensor energy supply system. The sensor energy supply system comprises a spacer, at least one energy taking device, a boost energy taking device, an energy storage device and a management device. The method comprises the steps: obtaining first voltage data and first current data corresponding to each energy taking device, judging whether the first current value of each energy taking device is smaller than a current preset value or not, and if yes, starting the boost energy taking device, and obtaining second voltage data and second current data ; obtaining an energy supply output signal output by the management device in real time based on the first voltage data of all the energy taking devices and the third voltage data of the energy storage device; or obtaining an energy supply output signal output by the management device in real time based on the second voltage data of the energy taking device and the third voltage data of the energy storage device; and judging a working mode corresponding to the sensor according to the type of the energy supply output signal, and operating the sensor in the corresponding working mode according to a judgment result.

The application discloses an optimized control system and an optimized control method of synthetic ammonia hydrogen nitrogen ratio. The system comprises a channel device, a detection device, a multi-path voting device, a target optimizing device and a dynamic matrix DMC (digital micro-circuit) control device. The method comprises a dynamic matrix DMC control algorithm with waiting follow-up characteristics, multiple groups of control channels built on the basis of flow simulation, a multi-path voting technology aiming at the situation of a meter signal, and a self-optimizing strategy of a control target. The optimized control system and the optimized control method of synthetic ammonia hydrogen nitrogen ratio provided by the application have better static and dynamic performances; precise and stable control of the hydrogen nitrogen ratio can be achieved; meanwhile, the control scheme is high in online rate, and strong in fault tolerance and robustness. The control difficulties of large delay complex integral objects of a plurality of links, strong interference, non-linearity and strong time-variation in the synthetic ammonia hydrogen nitrogen ratio control can be better adapted and solved.

The invention belongs to the technical field of garbage wastewater treatment, and particularly relates to a landfill leachate treatment process on PMVR-ZLD. The process comprises the following steps of: stock solution collection, pretreatment, preheating, evaporation separation, advanced treatment, solidification and the like. According to the invention, a coagulating sedimentation system is adopted in pretreatment, so that the problem of unstable operation of the device caused by blockage is effectively solved; an MVR forced circulation evaporation separation system is adopted to perform wastewater evaporation on a leachate, so that the problems of heat transfer coefficient reduction, energy consumption increase, evaporator blockage and shutdown are avoided; the advanced treatment systemis used for treating evaporated effluent, so that the cost is greatly reduced; by adopting a landfill leachate zero-emission treatment system, the leachate is subjected to evaporation separation, generated crystals are solidified into bricks and then subjected to landfill treatment, the quality of inflow water is not affected, and the landfill leachate zero-emission treatment system has more advantages compared with a concentration recharge mode adopted for leachate wastewater treatment at present.

The invention discloses an application program starting method, device and apparatus, and relates to the technical field of networks. According to the technical scheme, the method comprises that: a starting request of an application program is obtained, the starting request comprises domain name information of a server, a target protocol type is determined from multiple candidate protocol types, and according to the domain name information of the server, a protocol corresponding to the target protocol type is adopted to establish first network connection with the server. In the process, the protocol type suitable for the current network environment in the multiple candidate protocol types is determined as the target protocol type, and the protocol corresponding to the target protocol typeis adopted to establish the network connection with the server, so that the probability of successful establishment of the network connection can be improved, and the online rate of the application program is improved.

The invention discloses an automatic judgment and active inspection system for special network video monitoring faults. The system comprises an obstacle positioning module (106), a map module (107), an inspection module (108) and an adapter module (109), wherein the adapter module is configured to provide an interface connected to a network management platform (105) and a customer center point video monitoring platform; and the obstacle positioning module (106) is configured to obtain the whole process status information of the access point access service through the network management platform (105).

The present invention provides a battery management system for managing a battery system. The battery system comprises a plurality of battery clusters, each battery cluster comprising a plurality of battery packs, and the battery management system comprises a plurality of battery cluster management systems, wherein each battery cluster management system is configured to manage the corresponding battery cluster; one battery cluster management system of the plurality of battery cluster management systems acts as a main management system to manage other battery clusters, and one or more battery cluster management systems other than the main management system act as the alternative main management systems.

The invention provides a debugging device applied to the pairing of a negative control terminal and an ammeter. In the debugging device, an ammeter calibration instrument is arranged in a support, a mounting plate is arranged in the surface of the support and is fixedly connected with two ammeter connection frames, namely a first ammeter connection frame and a second ammeter connection frame, and the first ammeter connection frame is respectively connected with the second ammeter connection frame and an ammeter calibration instrument; an ammeter to be debugged and the negative control terminal are fixedly arranged on the mounting plate of the support, the first ammeter connection frame is provided with the ammeter, the second ammeter connection frame is provided with the negative control terminal, the first ammeter connection frame, the second ammeter connection frame and the ammeter calibration instrument are connected by conductors, and the ammeter calibration instrument is connected with a power supply. According to the debugging device applied to the pairing of the negative control terminal and the ammeter, disclosed by the invention, by regulating the current of the ammeter calibration instrument, the regular use states of the ammeter and the negative control terminal are simulated, the regular functions of the ammeter and the ammeter calibration instrument are tested, the working time and the working load of a repeated field debugging operation are reduced, and the terminal on-line rate is improved.

The invention discloses a message distribution method, device and equipment, a medium and an online charging system, which are used for improving the online rate of the online charging system. The message distribution method comprises the steps that the message state of a message recorded in a pre-configured cache space is acquired, and the message recorded in the pre-configured cache space is stored when the message sent by a front-end processor is forwarded to a rear-end processor; when it is determined that the message is not fed back to the front-end processor according to the message state, if it is determined that the message is overtime, the message is sent to the front-end processor for normal authorization, and the message state of the message is changed into the state representing that the message is overtime.

The invention relates to the technical field of distribution boxes, and particularly relates to a high-protection modular distribution box. The high-protection modular distribution box comprises a distribution box, a display module, an acquisition module, a security monitoring terminal, an alarm module, a data analysis module, a network server, a storage module, a database, a water level monitoring module, a feedback module, a distribution transformer and an infrared temperature measurement module, wherein the distribution box is connected with the display module, the distribution box is connected with the acquisition module, the acquisition module is connected with the security monitoring terminal, the security monitoring terminal is connected with the alarm module, the alarm module is connected with the distribution box, the distribution box is connected with the data analysis module, the distribution box is connected with the network server, the distribution box is connected with the storage module, and the storage module is connected with the database. The high-protection modular distribution box provided by the invention has the advantages of convenience in operation and maintenance information state analysis, monitoring and early warning, fault research and judgment, auxiliary decision, risk management and control and intelligent resource allocation.

The invention discloses a power consumption information acquisition terminal public and private network communication module and a switching method. The communication module comprises three states in a working process: an initial state, a public network access state and a private network access state, and automatic transfer among the three states can be realized. The adopted public and private network communication module can provide a network link which is more reliable than pure public network access or pure private network access for a power consumption information acquisition terminal, a private network signal is preferentially searched to select a private network to access the network, and then self-adaptive switching is performed between the private network and the public network, so that the online rate of the acquisition terminal and the success rate of power consumption information acquisition are improved.

The invention discloses a pre-washing technology and device used for cryogenic separation of synthesis gas. The pre-washing technology includes the steps that after the synthesis gas is pre-cooled, pre-washing is conducted through a pre-washing agent to remove unsaturated hydrocarbon and macromolecule saturated hydrocarbon, and finally purified raw material synthesis gas is obtained; the purifiedraw material synthesis gas is subjected to follow-up synthesis gas cryogenic separation; the ice point of the pre-washing agent is lower than the operation temperature of the follow-up synthesis gas cryogenic separation technology. On the basis of current methane washing, carbon monoxide washing and partial condensation synthesis gas cryogenic separation technologies, the novel pre-washing technology used for synthesis gas cryogenic separation is adopted, and unsaturated hydrocarbon and macromolecule saturated hydrocarbon in the raw material synthesis gas are removed in advance to be preventedfrom entering the downstream and blocking downstream equipment or downstream pipelines. The on-line rate of a cold box for the cryogenic separation technology is increased, and meanwhile the safety of the cold box can be improved to solve the problem that the cold box is blocked under freezing.

The embodiment of the invention relates to the technical field of communication, and discloses a network registration control method and device, and terminal equipment, and the method comprises the steps: receiving a rejection message returned by a base station when the registration of a long term evolution LTE network is applied to the base station; when the rejection reason of rejecting to register the LTE network indicated by the rejection message is a first preset rejection reason, redirecting the rejection reason to a second preset rejection reason, and applying to register the LTE network to the base station again; according to the embodiment of the invention, registration can be continuously applied to the base station in a mode of redirecting the rejection reason to the second preset rejection reason, and the LTE network can be tried to be registered for multiple times, so that the probability that the terminal equipment accesses the LTE network is improved, the 4G network online rate of the terminal equipment is improved, and the service requirements are met to the greatest extent.

The invention discloses an electric power Internet of Things smart terminal and method based on multi-source data fusion, and relates to the technical field of electric power Internet of Things smart terminals. In order to solve the problems that most power terminals at present cannot realize data interconnection and intercommunication of an intelligent electric meter, a low-voltage circuit breaker, a reactive power compensation device, an electric vehicle charging pile, a water-gas-heat metering device, a user smart home and the like, the data acquisition range is narrow, comprehensive perception cannot be realized, and the intelligent level is low. According to the power Internet of Things smart terminal and method based on multi-source data fusion, on the basis of data received by the cloud platform, intelligent power distribution, intelligent power utilization and smart park are established, comprehensive energy service is developed, accurate perception conforming to a user is jointly achieved, the deep perception and accurate control requirements of a household appliance level are met, and the user experience is improved. A technical scheme is provided for accurate operation monitoring, intelligent control and source network load cooperative operation of electric equipment, and the current problems of electricity utilization safety and energy consumption management are solved.

The invention discloses a radioactive source safety monitoring system comprising a radioactive source pot, a positioning sensor, an inspection tour device, and a central processor. The positioning sensor is fixed to the radioactive source pot. A radiation dosage detecting element is fixedly arranged on the inspection tour device. The positioning sensor and the inspection tour device are in wireless communication connection with the central processor. The positioning sensor is fixed to the radioactive source pot and may transfer the positional information of the radioactive source pot any time in order to facilitate positioning and tracking. The radiation dosage detecting element on the inspection tour device may detect the radioactive source pot in order to transmit a detection result to the central processor to be analyzed and processed. The inspection tour device can be placed beside the radioactive source pot to perform detection or can be held by a worker regularly to perform detection, and is not required to be fixed to the radioactive source pot. Thus, the inspection tour device and the radioactive source pot are separated and are prevented from contacting such that the radioactive source safety monitoring system is not liable to damage and is easy to maintain.

The invention discloses an intelligent operation and maintenance terminal of a transformer substation video and environment monitoring station end system, which is provided with a transformer substation video monitoring system, a comprehensive data network, a transformer substation operation and maintenance terminal, an intelligent electric box control system and an intelligent platform, the integrated data network performs data transmission; the substation operation and maintenance terminal carries out station-end network diagnosis, station-end data flow monitoring, station-end equipment operation monitoring, network management direct-current power supply monitoring, video image abnormity diagnosis and RPU video integrity diagnosis; the intelligent electric box control system controls the restart of the transformer substation video monitoring system; the intelligent platform displays the processing data of the substation operation and maintenance terminal and collects the operation and maintenance condition of the intelligent electric box control system. Real-time monitoring and intelligent operation and maintenance of the transformer substation video monitoring system are realized, the stability of the transformer substation video monitoring system is improved, the skill requirements of maintenance personnel are reduced, the power transformation video maintenance efficiency is improved, and the operation and maintenance investment is reduced.

The invention relates to a heavy oil supercritical extraction multistage parallel separation treatment system. The system comprises a feeding unit, a solvent mixing unit and N groups of supercriticalextraction separation units which are arranged in parallel. Each supercritical extraction separation unit comprises an asphalt separation tower, an asphalt stripping tower, a deasphalted oil separation tower and a deasphalted oil stripping tower. Each stage of mixer is connected to the asphalt separation tower of the corresponding supercritical extraction separation unit, a raffinate phase outletat the bottom of each asphalt separation tower is connected with the corresponding asphalt stripping tower, an extract phase outlet at the top of each asphalt separation tower is connected to the corresponding deasphalted oil separation tower, and a material outlet at the bottom of each deasphalted oil separation tower is connected with the corresponding deasphalted oil stripping tower. Top extraction solvent outlets of the asphalt stripping towers and the deasphalted oil stripping towers are connected to the solvent mixing unit through an extraction solvent recovery unit. According to the heavy oil supercritical extraction multistage parallel separation treatment system and method, parallel multi-stage extraction is achieved, various deasphalted oil or asphalt products of different specifications can be produced at the same time, meanwhile, the operation is stable, and the energy consumption is low.