33results about How to "Improve operation and maintenance" patented technology

The invention discloses a public bicycle renting personal terminal service system. The public bicycle renting personal terminal service system comprises an intelligent cloud platform, an electronic bicycle lock, and a cell phone client, which are communicated with each other. The intelligent cloud platform comprises a GPS signal receiving device, a timer, a data management platform, an electronic bicycle lock unlocking locking program and signaling emitter, an identity verification program, and a payer verification program. The electronic bicycle lock comprises a GPS positioning system, and a numeric keyboard used for supporting password input unlocking and password input locking. The cell phone client comprises a registration submitting program, a payment binding program, a bicycle borrowing rreserving system, a bicycle returning program, and a user logout program. By adopting information convergence and feedback mechanism of three large plates, and five steps of realizing system operation:1, registration, 2, bicycle borrowing, 3, bicycle returning, 4, paying, and 5, logout, human resource management costs and labor time spent for bicycle borrowing, bicycle returning, and paying are greatly reduced, and the efficiency, the economy, and the operation maintenance, and other aspects of the public bicycle management are obviously improved.

The invention relates to an extranet client management and control method for an electric power working site management and control system. The method comprises the following steps: providing a page displaying a repair schedule of a team of all users in a work period, and performing dispatch commands; providing a repair schedule detailed information page, wherein the page displays all information of the repair schedule, and work tickets and site survey lists, which are related to the repair schedule; providing an operating page of a camera, and saving a user name of mobile equipment and a global position system (GPS) position where pictures are taken when the pictures are saved; and providing an input page and a signature for filling the work tickets. By the method, multifunctional and visual processing process can be provided for implementation, monitoring and maintenance of electric power overhaul operation so as to improve operation and maintenance, overhaul and first-aid repair management level of power enterprises, standardize work flow of daily operation and maintenance, overhaul and fault first-aid repair, improve fault first-aid repair efficiency, enhance field operation scheduling, improve the ruling capacity of the power enterprises to the modern power grid and ensure that the power grid works reliably, efficiently and economically.

Method and system for detecting the presence and determining characteristics of objects such as ink cartridges in printing systems. The system includes a signal transceiver capable of transmitting signals using a photo emitter and capable of receiving signals sent from the objects using a photo detector, and a monitoring system coupled to the signal transceiver for processing received signals to determine characteristics of the objects. Further, the photo emitter is at least partially covered by a first optical polarizer and the objects include a reflective surface that is at least partially covered by a second optical polarizer. When signals are transmitted from the signal transceiver to the objects, the second optical polarizer allows the signals to reach the reflective surface and reflect back towards the signal transceiver if the orientations of the first and second optical polarizers are substantially the same.

The invention discloses an effectiveness evaluation method for a transformer split cooling system. The method comprises the steps that S1, an ADC method is adopted to establish an availability matrix and a credibility matrix of the transformer split cooling system to obtain an available factor A and a credible factor D respectively; S2, the ADC method is adopted to establish an ability matrix of the transformer split cooling system by establishing multilevel ability vectors, and an analytic hierarchy process is utilized to solve an ability factor C; and S3, E=ADC calculation is adopted to obtain effectiveness of the transformer split cooling system. The method has the advantages that through the evaluation calculation method, operation, maintenance and transformation effectiveness of the cooling system can be greatly improved; calculation is performed based on four-dimensional data of the split cooling system, and all the data can be acquired easily from operating data; the method is suitable for various split cooling systems without special requirements and is convenient to use and popularize.

The invention provides an electric automobile charging facility cloud detection service system and an implementation method thereof. The electric automobile charging facility cloud detection service system comprises a detection device and a cloud detection service module. The detection device is used for being connected with a detected charging facility to acquire the parameter information of thedetected charging facility, transmit a detection request to the cloud detection service module and detect the detected charging facility according to the detection scheme fed back by the cloud detection service module. The cloud detection service module is used for performing automatic analysis according to the received detection request and transmitting the detection scheme to the detection device. According to the technical scheme, the field labor intensity and the communication cost of the field detection, operation and maintenance and inspection personnel can be reduced to a great extent,the charging facility fault diagnosis and processing efficiency can be enhanced, the charging facility operator is enabled to provide the safe and reliable charging service capacity to the user and the popularization process of the new energy electric automobile can be promoted.

The invention discloses a cloud broadcasting system, a mixed broadcasting system and a cloud broadcasting method. The cloud broadcasting system comprises a local broadcasting control system, a material server and a cloud server, wherein the local broadcasting control device is used for controlling pushing programs and program materials; the material server is used for providing the program materials to be broadcasted; the cloud server is connected with the local broadcasting device and the material server, receives the pushed programs and the program materials and sends program materials to a designated position after processing the program materials. According to the cloud broadcasting method, the programs and the program materials are pushed to the cloud server from the local; the cloud server processes the received program materials to a TS (transport stream); and the TS is sent to the designated place. The cloud broadcasting system, the mixed broadcasting system and the cloud broadcasting method have improvements in aspects of construction cost, cycle, operation maintenance, upgrade, safety and the like, conveniently achieve heterogeneous and remote broadcasting which can be achieved basically through machine rooms with the Internet and necessary video equipment.

The invention discloses an electric vehicle power charging and changing station's electric energy quality assessing method, comprising the following steps: acquiring the three-phase voltage and the three-phase current of a battery charger at the alternating current side in different working points as well as the voltage and the current at the direct current side; based on the three-phase voltage and the three-phase current of a battery charger at the alternating current side in different working points as well as the voltage and the current at the direct current side, obtaining the testing data for the battery charger at different working points corresponding to the various electric energy indexes; based on the testing data for the battery charger at different working points corresponding to the various electric energy indexes, creating an electric energy quality characteristic index matrix; creating the weight vectors for the various electric energy indexes; and according to the electric energy quality characteristic index matrix and the weight vectors for the various electric energy indexes, obtaining a comprehensive assessment coefficient. The electric vehicle power charging and changing station's electric energy quality assessing method proposed by the invention assesses the electric energy quality problems of an electric vehicle power charging and changing station comprehensively according to the on-site actually-measured data so as to realize the comprehensive assessment to the electric energy quality of the electric vehicle power charging and changing station.

The invention particularly relates to a centralized management and control method for DNS nodes. By means of the centralized management and control method for the DNS nodes, decoupling of DNS management and services is realized; the network management is simplified; a globally unified DNS management view is provided; therefore, management of a plurality of equipment is simple just as management of one equipment; furthermore, a local DNS analysis service cannot be influenced by fault of centralized management and control; global data management also cannot be influenced by fault of individual node equipment; the problem of high difficulty, low efficiency and easy mistake making due to the fact that multiple DNS nodes are maintained after being logged in manually and individually can be solved; and the operation and maintenance convenience is greatly improved.

The invention discloses a real-time data processing system and method supporting multiple engines, service processing is disassembled, a plug-in for realizing a certain specific function of a service is generated as required, and the plug-in and the engines have no direct relationship; analyzing service requirements to perform processing flow arrangement, dragging a corresponding plug-in to confirm a data processing method and a data flow direction, and obtaining flow arrangement information to construct a data execution link diagram; and obtaining execution engine information according to a data execution link diagram generated in the process arrangement, obtaining actual processing logic through an execution bridge, and calling and executing the actual processing logic. According to the method, plug-in type flow arrangement is supported based on multiple engines, each processing link is allowed to be defined, the flexibility is high, and the use is convenient.

The invention relates to a method for evaluating running reliability of a power distribution network in a power system, and belongs to the technical field of reliability analysis of the power system. According to the method, health indexes in unit elements in the power distribution network are taken as the basis, and the health index of the system is evaluated through combination of conversion calculation of the health indexes and the health index probability form and the connection manner of the health indexes and the health index probability. According to the analysis result, repair cycle of the equipment is reasonably determined; repair cost of power grid running and power equipment is reduced, and running reliability of the equipment is improved. The health state of the power distribution network is evaluated through the index form of numerical values from one to ten, and the theoretical basis is provided for reliable running and repair plan making of the power distribution network, so that planning, operation, maintenance and the management level of the power distribution network can be further improved, and the asset management system of the power distribution network is perfected.

The invention relates to an exhaust device for a gas relay of a transformer. The exhaust device comprises a front-end connection element, an exhaust pipe, an exhaust valve and a sealing support element, wherein the front-end connection element is arranged at a front end of the exhaust pipe and is provided with an interface which can be connected with an exhaust nozzle of the gas relay, the exhaust valve is arranged at a tail end of the exhaust pipe, and the sealing support element sleeves the exhaust pipe and passes through a side wall of the gas relay. The exhaust device is arranged on an existing gas relay of the transformer, exhaust operation is not needed to be frequently operated on the gas relay, so that a maintainer is unnecessary to climb for operation, and meanwhile, the misoperation of the gas relay caused by oil leakage since a sealing component of the exhaust nozzle of the gas relay is loosen can also be prevented.

The invention provides a distribution network line intelligent mapping method, device and system, and the method comprises the steps: receiving middle station single line diagram data, converting the middle station single line diagram data into an automatic graph model file based on a standard conversion rule, and analyzing the automatic graph model file to form a single line source diagram; identifying interconnection switches from the single-line source diagram, and identifying interconnection line types to a transformer substation bus through the interconnection switches to form a single-line sketch diagram or a multi-line looped network diagram; the operation constant value of the power distribution terminal is measured, and the constant value is combined with the single-line sketch to form a power distribution network single-line constant value graph. Based on the method, the invention also provides a distribution network line intelligent mapping device and system, four different graphs, namely a source graph, a sketch, a looped network graph and a fixed value graph, are respectively formed, different graphs are extracted for different users and different scenes, power supply path visualization, protection fixed value visualization and power failure range visualization are realized, and the distribution network line intelligent mapping method has the advantages of being high in practicability and easy to popularize. And the operation and maintenance and accident handling work efficiency of the power distribution network terminal is greatly improved.

The invention relates to a maintenance system and method capable of maintaining switch equipment in a hot-line manner. The maintenance system is characterized in that a normal operating condition of the maintained switch equipment is simulated by using an electrical locking unit when maintenance is performed on the maintained switch equipment so as to prevent the protection misoperation of an electric power system. In addition, when the electric power system breaks down and needs protection in the maintenance process, the maintained switch equipment is maintained and cannot perform a protection operation, a secondary signal comprehensive processing unit sends a corresponding signal to protection measurement and control equipment in the electric power system, and the protection measurementand control equipment performs a protection operation by using other switch equipment such as higher-level protection so as to achieve backup protection for the electric power system. Therefore, the system does not cause misoperation for the maintained switch equipment in the maintenance process, so that fault detection and emergency maintenance under a hot-line condition can be achieved through the system, and thus the trouble of going through equipment power failure procedures are saved. The maintenance system can reduce the planned and non-planned power failure time especially for a high-voltage electric power system.

The invention relates to the technical field of power transmission line inspection systems, and discloses an unmanned aerial vehicle intelligent inspection system for a power transmission line, which comprises an unmanned aerial vehicle group, an embedded computing unit, a three-dimensional laser radar module, an IMU, a camera, a remote controller display and a holder control. According to the unmanned aerial vehicle intelligent inspection system for the power transmission line, a multi-rotor unmanned aerial vehicle is adopted as a sensor load platform, a set of wire and channel flight inspection equipment capable of automatically identifying and tracking multiple loops between towers and automatically passing the towers is designed and realized, and a real-time defect detection system is arranged; the problems of large workload, low efficiency, many potential safety hazards, less scientific analysis, low precision, backward management mode and the like of the current team-level unmanned aerial vehicle fine inspection mainly in a manual mode are solved, unmanned aerial vehicle autonomous inspection and real-time intelligent recognition of wire defects are realized, the inspection efficiency and the defect discovery rate are improved, the operation safety is guaranteed, the operation intensity is reduced, and the working efficiency is improved. And the intelligent operation and maintenance level of the power transmission line is improved.

The invention discloses an online authorization method and system for semi-open wireless network access based on an invitation mechanism. On the basis of the invitation mechanism, automatic issuing ofthe network access permission of an invited person, namely a visitor, is realized, and the visitor is authorized to access a semi-open wireless network by adopting multiple online authorization methods, so that the purpose of performing refined management and control on the network access permission of the visitor is achieved. The technical scheme provided by the invention is adopted; corresponding proper network access authorities can be allocated to different types of visitors; automatic distinguishing of network access authorities of different visitors under the same authorization mode isachieved, and therefore the problems that in existing visitor network authorization management, the network access authorities of the visitors cannot be distinguished, and even security vulnerabilities that the visitors may obtain the same network authority as internal personnel of a visited unit exist are solved.

The invention belongs to the technical field of cloud data processing, and discloses an integrated intelligent operation and maintenance control method and system and an operation and maintenance platform, and the integrated intelligent operation and maintenance control method specifically comprises the steps: formulating a service directory according to a service range provided by an integrated intelligent operation and maintenance self-service portal, issuing to a corresponding target user range of the self-service portal; a workflow engine module is used for managing service processes including application, examination and approval, delivery and recovery/evaluation; constructing a CMDB uniform resource configuration library, and storing all key information of operation and maintenance management and all data related to operation and maintenance in real time; resource change management of a service directory and change management of historical IT resources in a non-self-service portal service directory are achieved through a CMDB; and a safety operation center is constructed, an API interface is opened for the automatic operation and maintenance module, and real-time updating of operation and maintenance data is realized through linkage with the CMDB.

The invention discloses a network big data traffic detection and analysis method. Comprising the following steps: S1, carrying out registration management and monitoring on network assets; s2, monitoring software and hardware assets; s3, monitoring the network equipment; s4, depicting the server and the terminal; s5, depicting a network protocol; s6, highlighting safety, monitoring innovation and supporting redevelopment; existing data center IT assets are integrated and monitored, the network transmission operation quality is improved, intelligent management and health standard reaching of the whole network are beneficial to modern digital transformation of the whole plant, the user application experience of the whole plant can be rapidly improved, the overall operation quality of the network is improved, power plant network emergencies and faults can be efficiently positioned, and the safety of the power plant is improved. And more extra time waste and blind labor of operators are reduced.

An integrated metering filler comprises a metering valve body, an oil inlet end and an oil injection end are arranged on the surface of a shell, an electromagnetic valve is fixedly installed on the surface of the oil inlet end, a back pressure valve and a gear are fixedly installed in the metering valve body, and the oil inlet end communicates with a cavity inlet of the gear through an oil inlet pipeline. A cavity outlet of the gear communicates with the oil injection end through an oil outlet pipeline; and a controller is further fixedly installed on the upper surface of the metering valve body, the signal input end of the controller is electrically connected with a proximity switch, and the signal induction end of the proximity switch is matched with the gear. The integrated metering filler overcomes the defects in the prior art, can independently work corresponding to lubricating points, does not interfere with each other, can be combined at will, can monitor and manage the lubricating process, and can be combined into a product of a lubricating system according to requirements, so that the reliability and operation and maintenance of equipment can be effectively improved, the cost is reduced, and the environment is protected.

The invention discloses a secure access method and system for an equipment port. The method comprises: generating rules by an equipment side and a client side according to the same port, generating aneffective access port within a period of time on the basis of a unique identifier and time of the equipment side according to a preset change period, starting interception of port access at the port,changing the port according to a certain time period, and releasing or forbidding the client to access the access port generated by the equipment side according to a preset access rule. The securityaccess hidden danger of the equipment operation and maintenance port is solved, the operation and maintenance port changes randomly, the access of the operation and maintenance port needs to meet thepreset rule, the attack of hackers is avoided, new equipment does not need to be added, and the operation and maintenance security is effectively enhanced.

The invention relates to the technical field of wind power generation, in particular to a fan blade fault prediction method and system based on deep learning and a storage medium. The method comprises the steps that a deep learning model is established, and the deep learning model is trained by using historical operation data of a fan blade; a blade operation normal judgment range is determined according to the historical operation data of the fan blade; data is collected from a fan SCADA system, and the collected data is input into the deep learning model to obtain a blade vibration equivalent; whether the blade vibration equivalent is within the blade operation normal judgment range or not is judged, and if the blade vibration equivalent is within the blade operation normal judgment range, it is judged that the blade operates normally; and if the blade vibration equivalent is beyond the blade operation normal judgment range, it is judged that the blade is in a pre-fault state, and the blade is maintained before faults occur so that the faults such as blade breakage can be avoided. According to the fan blade fault prediction method based on deep learning, the vibration condition of the existing fan blade can be accurately monitored without arranging additional structures, so that the blade faults are predicted, the operation maintenance of the fan blade is enhanced, and severe consequences such as fan blade breakage can be avoided.

The invention discloses a method for controlling a boundary access control strategy for abnormal behavior discovery, and equipment. The method comprises the following steps: obtaining access control request data; processing the access control request data by using a pre-determined access control strategy partitioning and sorting model, determining a partition access control strategy corresponding to the access control request data, and recording the access control request data according to the corresponding partition access control strategy, wherein the determination process of the pre-access control strategy partitioning and sorting model comprises the following steps: acquiring a boundary access control strategy; and dividing and sorting the boundary access control strategies according to the access security levels, and determining a partition access strategy corresponding to each partition. The problems of many, coarse and disordered strategies and the like are solved, different types of logs can be recorded for independent strategy matching, the operation and maintenance and auditing efficiency is greatly improved, and meanwhile a good foundation is laid for early discovery and early prevention of abnormal behaviors.

The invention relates to handheld type portable video and audio integrated monitoring equipment, which comprises six links such as video monitoring equipment, audio monitoring equipment, lighting equipment, a handheld structural component and a fixing and fastening link. The handheld type portable video and audio integrated monitoring equipment realizes equipment external control by means of a control device arranged on the same, and can realize remote external control through remote communication. The handheld type portable video and audio integrated monitoring equipment achieves the regular automatic patrol inspection function of wind power equipment, achieves the function of carrying out real-time on-site operation and maintenance command and inspection by operation and maintenance experts based on a video-audio bidirectional communication technology, improves the existing operation and maintenance mode by enhancing the automation level of wind power operation and maintenance, and increases the operation and maintenance efficiency of wind power plants.