41results about How to "Save operation and maintenance costs" patented technology

The invention discloses an offshore wind power operation and maintenance intelligent management platform and method, and the platform comprises hardware equipment and a software application system, and the hardware equipment comprises a data collection module, a data transmission module, a data processing module, and a display module; the software application system comprises platform end software, mobile end software, server software, transmission software and software of each data acquisition device of the data acquisition module. According to the offshore wind power operation and maintenance intelligent management platform and method, a whole set of platform combining hardware equipment and a software application system is adopted, on-site monitoring and data acquisition are conducted through the hardware equipment, statistics, fusion, analysis and processing are conducted on data through the software platform, risk early warning and state evaluation are conducted according to analysis and processing results, a prediction scheme is provided, and a smart operation decision is output; the platform supports multi-terminal cooperation of a computer terminal, a mobile terminal and the like, and intelligent and refined management of operation and maintenance of the offshore wind power plant is achieved.

The invention discloses a system and method for automatic trimming trees and bamboos in an overhead transmission line channel. The system comprises an unmanned helicopter module, a chain saw module and a ground control module, wherein the unmanned helicopter module comprises a laser range finding unit and an onboard control unit connected with the laser range finding unit, and the chain saw module comprises a chain saw body and a chain saw control unit. The chain saw module hangs on the fuselage bottom of the unmanned helicopter module through a connecting frame, and the onboard control unit of the unmanned helicopter module is connected with the chain saw control unit of the chain saw module through a data line. The ground control module is in communication connection with the onboard control unit of the unmanned helicopter module through a wireless communication network, and the ground control module remotely controls the flying state of the unmanned helicopter module and the working state of the chain saw module. The invention substantially reduces the workload of operation maintenance worker of overhead transmission lines, shortens felling period and saves line operation cost.

The invention discloses an IDL log-based alarm method, which comprises the following steps executed in a BMC: in response to detection of a fault, obtaining the position of the fault and checking a corresponding register; analyzing a fault reason according to the register, and judging a fault level; generating an IDL log based on the fault, the fault reason and the fault level; judging whether analarm is needed or not according to the IDL log; and sending the IDL log to a far-end operation and maintenance server in response to the need of alarm. The invention further discloses computer equipment and a readable storage medium. According to the invention, the detailed IDL log for recording the fault information is generated, so that when receiving the alarm, the operation and maintenance personnel can directly obtain the equipment with the fault, the specific fault reason and the solution through the IDL log, and the operation and maintenance time and the operation and maintenance costare saved.

The invention relates to a cross-regional electronic medical record quick positioning and sharing system and a cross-regional electronic medical record quick positioning and sharing method. The system comprises a message source positioning device, a message transfer device, a message source cooperation device and a message queue manager. A distributed basic sanitary information application platform is integrally assembled based on transmission of messages, and cross-regional quick positioning and information sharing of electronic medical records and health records are realized in form of loose coupling. Based on existing distributed construction, an isomerous basic medical mechanism system is quickly accessed, and the places of the electronic medical records and health records are quickly positioned through a resource positioning device, and information is acquired, so that a lot of construction and operational and maintenance expenses can be saved. Integral personal lifelong medical data information is convenient to establish to ensure the continuity and the integrity of the electronic medical records and health records. Conditions of patients can be comprehensively mastered to truly realize synchronous prevention and treatment so as to avoid various repeated examinations, and thereby, a lot of treatment expenses are saved, and the doctor-patient relationship is improved.

The invention relates to a float type ocean wave power generation device which uses ocean wave power to drive air to generate electricity. The device uses the ocean wave power to compress the air to generate electricity and improves recycling of the ocean wave power. The technical scheme includes that the device comprises a wave-energy converting device and a generation device body, the lower portion of an upper float is fixed with a connecting rod, the connecting rod is connected with a piston rod through a cross head, the piston rod d is connected with a piston, the piston is installed inside an air cylinder, the upper portion of the air cylinder is connected with an upper sealing head of the air cylinder, an air inlet check valve and an air outlet check valve are arranged inside the upper portion of the air cylinder, the lower portion of the air cylinder is connected with a lower sealing head of the air cylinder, an air inlet check valve and an air outlet check valve are arranged inside the lower portion of the air cylinder, the generation device body is installed on a working platform, a compressed air storage tank is connected with a compressed air nozzle, the nozzle is installed on a pneumatic motor, the pneumatic motor is connected with a generator through a coupler, and an output line of the generator is connected with a rectifying device. The device provides the compressed air to the compressed air storage tank when ocean waves drive the upper float to move up and down, generates electricity with the compressed air and is simple to operate, reliable in working and capable of improving the utilization of the ocean wave power.

The invention relates to big data, and provides a form generation method and device, electronic equipment and a medium. The method comprises the following steps of: extracting a first field from a form generation request and determining a target service system sending the form generation request; obtaining a service chain and determining a second field associated with the first field; obtaining apreset execution interface, the execution interface being configured with a verification rule; when the first field and the second field pass the check, obtaining first data corresponding to the firstfield, and obtaining second data corresponding to the second field; calculating the total field amount of the first field and the second field, and extracting a target blank template according to thetotal field amount, the target blank template comprising a plurality of editable areas; and filling the editable areas with the first field, the first data, the second field and the second data to generate a form. The form generation efficiency is improved. The invention also relates to a block chain technology, and the form is stored in a block chain.

The invention provides a series-parallel heavy truck oil-saving robot system which mainly aims at highway trunk line logistics. Based on a vehicle-mounted three-dimensional electronic map, vehicle dynamic three-dimensional positioning data actually measured by the satellite navigator, parameters of all subsystems of the vehicle and the state of charge of a power battery pack, the relative speed, absolute distance and other data between the vehicle and the vehicle in front of the same lane which are actually measured by the forward-looking millimeter-wave radar, a cloud AI brain and a vehicle-mounted AI brain of the oil-saving robot dynamically cooperate with each other, the vehicle controller commands the vehicle-mounted electric power shunt, the response time is 10 milliseconds, the flowing direction and amplitude of hundred-kilowatt-level electric power are accurately and dynamically allocated among the internal combustion engine, the generator, the battery pack and the driving motor; the transient power balance of a vehicle kinetic equation is met in real time, and the beneficial effects of minimizing vehicle oil consumption and emission, reducing the long-distance driving laborintensity of a driver, improving the driving active safety of the vehicle and the like are achieved through a predictive self-adaptive cruise oil-saving control algorithm.

The invention discloses a rigidity-reinforced type bridge head structure for operating a highway and governing a bump at a bridge head. The structure includes a bridge abutment, a bridge edge girder crossing board, a roadbed, a bridge surface paving structure, a first-level butting board, a second-level butting board, a first-level pavement layer, a second-level pavement layer and a supporting platform; the bridge edge girder crossing board is erected on a bridge abutment supporting base, and a bridge surface paving structure is paved on the bridge edge girder crossing board; the first-level butting board is erected between the bridge abutment and the supporting platform, one end of the first-level butting board is erected on a bridge abutment bracket; a far end of the first-level buttingboard is erected on the supporting platform, and the first-level pavement layer is paved on the first-level butting board; one end of the second-level butting board is erected on the supporting platform, the other end of the second-level butting board is erected on the roadbed, and the second-level pavement layer is paved on the second-level butting board; expansion joints exist between the bridgeedge girder crossing board and the bridge abutment, between the first-level butting board and a bridge abutment back, and between the first-level butting board and the second-level butting board. Theinvention also provides a construction method of the rigidity-reinforced type bridge head structure for operating the highway and governing the bump at the bridge head. The structure is great in reliability and low in maintenance cost.

The invention relates to a novel wet-process flue gas desulfurization wastewater treatment system which comprises a high-efficiency precipitator (2) and is characterized in that the high-efficiency precipitator (2) is communicated with a desulfurization wastewater source, the outlet of the high-efficiency precipitator (2) is communicated with a high-efficiency precipitator sludge discharge pump (25) and a PH adjusting tank (3) through pipelines; the PH adjusting tank (3) is communicated with a softening reaction tank (7); the softening reaction tank (7) is communicated with a settling tank (11); the settling tank (11) is communicated with a tubular micro-filtration membrane (15); the tubular micro-filtration membrane (15) is communicated with a backwashing water column (16); the backwashing water column (16) is connected with a clean water tank (20); a membrane cleaning acid liquid metering tank (31) and a membrane cleaning alkaline liquid metering tank (32) are respectively communicated with a clean water pump (33); a sludge concentrator (23) is communicated with a membrane concentrate discharge electric valve (22), a box type filter press filtrate discharge electric valve (29) and an outlet of a settling tank sludge discharge pump (24) through the pipeline. The novel wet-process flue gas desulfurization wastewater treatment system provided by the invention has the characteristics of being novel in process, compact in structure, stable in running, and low in investment and running expense.

The invention discloses a system and method supporting rapid storage and retrieval of large-scale authentication data. The system includes an authentication data storage and retrieval system and an authentication system. The authentication data storage and retrieval system establishes a network connection with the authentication system through a lightweight data access protocol. The front end of the authentication data storage and retrieval system receives and processes an authentication data access request of the authentication system in parallel, and the back end of the authentication data storage and retrieval system uses a key-value pair combining the hash and internal partitioning technology to store the authentication data. The invention provides a hot data key-value pair authentication data memory caching mechanism matched with the stored authentication data between the front end and the back end of the authentication data storage and retrieval system. The invention combines multiple technical advantages and provides a single system to solve the solution for large-scale authentication data fast storage and retrieval.

The invention relates to a spandrel architectural construction of a ballastless track wide-span high-speed railway arch bridge. According to the construction, the problem that the deformation of corners of beam ends of spandrel beams is out of gauge is thoroughly solved, the smooth degree of a bridge floor is effectively improved, and the requirements of the technical conditions of a wide-span arch bridge ballastless track are met. The driving comfortability and the driving safety are improved, the construction cost of the bridge is reduced, and the later stage operation management and conservation are facilitated. The spandrel architectural construction comprises a main arch, a left junction pier, a right junction pier, spandrel pier columns and spandrel beams, wherein the left junction pier and the right junction pier are respectively arranged on two sides of the main arch, the spandrel pier columns of which the lower ends are in fixed junction with the main arch are arranged at intervals along the bridge. The spandrel architectural construction is characterized in that the spandrel beams are in continuous construction within the span range of the main arch, are in fixedly junction with the upper ends of the left junction pier and the right junction pier, and are connected with the upper ends of the pier columns of arches through a supporting seat.

The invention relates to a pneumatic stirring mixing sludge automatic reflux domestic sewage purification treatment device. The pneumatic stirring mixing sludge automatic reflux domestic sewage purification treatment device comprises an inner cylinder and an outer cylinder; the inner cylinder is a water inlet tank; the space between the inner cylinder and the outer cylinder is divided into an anaerobic tank, an anoxic tank, an aerobic tank, a precipitation tank, a dosing tank and a clean water tank sequentially by partition plates; to-be-treated sewage enters the water inlet tank from the topend; a water inlet in the lower end of the water inlet tank is communicated with the anaerobic tank and the water inlet is formed in one end far away from the anoxic tank; the anaerobic tank, the anoxic tank, the aerobic tank, the precipitation tank, the dosing tank and the clean water tank are communicated with each other sequentially in a fold line manner according to the sequence of bottom, topand bottom; the top of the clean water tank is connected with a water outlet pipeline; the top of the anaerobic tank is sealed and connected with an air-blowing port; and a U-shaped pipe is arrangedon the inner cylinder between the water inlet tank and the anaerobic tank. A gas pump blows air into the anaerobic tank to descend the water level of the anaerobic tank, and the U-shaped pipe releasesenergy to realize stirring and mixing of the anaerobic tank and the anoxic area as well as refluxing of anoxic sludge towards the anaerobic tank, so the denitrification effect of a small sewage purification tank is improved, and the purification and treatment speed of the sewage is increased; and the device is not provided with a power stirring facility, so the device is simple to operate and maintain and convenient to apply and popularize.

The invention provides a power transmission line wind speed measurement method, system and device and a storage medium. The method comprises the following steps: measuring a strong-wind-load-free actually-measured tension value of a suspension tower insulator string through a tension sensor in advance; according to the actually measured tensile force value without the strong wind load, obtaining the vertical span of the overhanging tower; measuring a strong wind load actual measurement tension value of the suspension tower insulator string through the tension sensor; obtaining the wind load per unit length of the power transmission line according to the vertical span of the overhanging tower and the actually measured tensile force value of the strong wind load; and obtaining a wind speed value according to the wind load per unit length of the power transmission line. The real wind load borne by the power transmission line can be effectively measured only by installing the tension sensor at the hanging point of the ground wire of the suspension tower to measure the tension of the insulator chain, and then the real and accurate wind speed is obtained, so that the measurement method is simple, scientific, reliable and wide in application range; and the troubleshooting efficiency of the power transmission line safety is improved, and the monitoring, operation and maintenance cost of the power transmission line safety is saved.

The embodiment of the invention provides a bus adapter and a data transmission method. The method comprises the steps that the bus adapter comprises a data protocol conversion module, a first interface and a second interface; the data protocol conversion module is connected with the first interface and is used for carrying out NVMe protocol-based data communication with a host through the first interface; the data protocol conversion module is connected with the second interface and is used for carrying out data communication with external storage equipment through the second interface based on a data protocol with the external storage equipment; and the data protocol conversion module is used for performing data conversion between an NVMe protocol and a data protocol of external storage equipment. According to the embodiment of the invention, special development and maintenance of a custom protocol and a drive program of HBA are not needed, so that the development time and the operation and maintenance cost of the HBA are greatly saved.

The invention relates to a novel RTV slow-release type long-acting super-hydrophobic pollution-flashover-resistant coating material. According to the present invention, nanometer active metal oxides such as nanometer titanium dioxide, nanometer alumina and nanometer zinc oxide are added, and the ratio is optimized, such that the catalytic effect is improved, the improved slow-release type long-acting super-hydrophobic pollution-flashover-resistant coating material can be efficiently processed, the RTV is strengthened, and the mechanical property, the electrical property and the anti-aging property of the coating are improved; the surface structure and the characteristics of the RTV coating are improved with the nanometer powder material, such that the self-cleaning ability and the water repellency of the coating are enhanced, the coating has the good effect, and pollution flashover resistance is easily achieved; and the novel RTV slow-release type long-acting super-hydrophobic pollution-flashover-resistant coating material can provide important practical significance in the anti-fouling work of super high voltage and ultra high voltage power network lines, can save a lot of construction funds and operation and maintenance costs, and can create good social and economic benefits.

The invention provides a form generation method and device based on data processing, computer equipment and a storage medium. The method comprises the steps: receiving parameter entering information inputted by a user, wherein the parameter entering information comprises form contents and form types; calling a corresponding execution interface according to the form type, wherein each execution interface is configured with parameter entering setting and a service chain; judging whether the parameter entering information needs to be verified or not according to the parameter entering setting, ifso, verifying the parameter entering information according to a preset verification rule, and judging whether the parameter entering information passes the verification or not; if verification is notneeded or the parameter entering information passes the verification, judging whether a conversion function is started or not according to parameter entering setting, and if not, judging whether a service chain is driven or not; if it is judged that the service chain is not driven, calling first form information corresponding to the parameter entering information through an execution interface; and generating the first form according to the first form information and the form content. The development of one form can be quickly completed, and the development cost and the operation and maintenance cost are saved.

The invention relates to a system for realizing automatic discovery and automatic test for production line instruments and equipment, which comprises a server and instruments and meters, the instruments and meters and the server are in the same local area network, the instruments and meters are provided with dynamic allocation IPs, and information of the instruments and meters is multicast in the local area network when the system is started. And the server searches and finds online instruments and meters in the local area network, and sends a request to obtain IP information of the instruments and meters through a DNS-SD service. The invention also relates to a method and a device for realizing automatic discovery and automatic test for production line instruments and equipment, a processor and a computer readable storage medium. By adopting the system, the method, the device, the processor and the computer readable storage medium for realizing automatic discovery and automatic test for the production line instruments and equipment, manual setting is avoided, the labor cost and the operation and maintenance cost are saved, the state information of each instrument in the whole system can be monitored, the time cost is saved, the efficiency is improved, and the working efficiency is improved. And the system data acquisition efficiency is improved.

The invention discloses a security market data high-speed access and forwarding platform, which comprises a market interface module used for acquiring basic market data of Levell and Level2; a strategy interface module which is used for providing a group of capabilities of locally operating a user writing strategy through the strategy interface module and realizing a quantification function basedon the strategy interface module; and an UI component module which can support the broker client to directly use the interface in the UI component to display the market data of the level 2. Based on the platform provided by the invention, a broker can save expensive hardware investment cost and operation and maintenance cost in the aspect of Level2 quotation, and obtain Level2 quotation service superior to that of a self-built machine room system; and the platform has the advantages of higher speed, lower delay, stable performance and the like in butt joint with the level2 market.

The invention relates to the technical field of flue gas deacidification in the waste incineration industry, in particular to a novel high-speed rotary atomizer and a manufacturing method thereof. Thenovel high-speed rotary atomizer comprises an atomizer body, an atomizing disc, a variable-frequency driving system, a lubricating system, a cooling system, a feeding system and a cleaning system. High-power, high-speed, continuous and stable operation is achieved through an arranged high-speed motor. The atomizing disc of the equipment adopts a double-row nozzle form, the high-speed motor adoptsa novel groove type, the total power is 55 KW, the rotating speed can reach 15000 rpm or above, the dynamic balance meets G0.4, test equipments can be provided for researching the atomizing effect oflime slurry, the lime slurry flow, the slurry concentration and the relation between the rotating speed of the atomizing disc and the slurry atomizing effect are conveniently researched, the high-speed rotary atomizer can be directly used in a waste incineration power plant to completely or partially replace imported equipment, direct economic and social benefits are brought to the environmentalprotection cause of China, equipment investment and operation and maintenance cost can be saved for the waste incineration power plant, the cost of a set of imported high-speed rotary atomizer at present is RMB 1.5-2.0 million, however, the equipment procurement cost can be reduced by 30-45% by adopting domestic equipment.

The invention relates to a high availability method of a two-node Ceph cluster, which comprises the following steps: a timing monitoring step: when two nodes work normally, monitoring whether an opposite-end node crashes or not; if yes, executing a degradation step by the node; after the opposite-end node fails, monitoring whether reconstruction of the opposite-end node is completed or not; if yes, updating the local configuration file; a pre-judgment step: after the fault node is online again, checking whether the local monitor needs to be reconstructed or not; if yes, executing a reconstruction step; a degradation step: deleting an opposite-end monitor in a local directory, marking an rm _ remote label, starting a daemon process of the monitor, limiting the permission of writing, degrading to a read-only state, and deleting the rm _ remote label; a reconstruction step: deleting local monitor data in a local directory, initializing a local monitor, marking a local _ real label, starting a daemon process of the monitor, cancelling the authority of limiting writing, and deleting the local _ real label. Compared with technologies of the prior art, the method has the advantages of reduced hardware and operation and maintenance cost and the like.

The invention relates to an emulsion pump without a speed reducer. The emulsion pump is characterized by comprising a permanent magnetic direct drive motor and a non-gear-pair crank case, and an output shaft of the permanent magnetic direct drive motor is connected with the crankshaft ends of crankshafts through a low-speed and heavy-load coupler and keeps the same rotating speed with the crankshafts; the crankshafts drive connecting rods and sliding blocks to do linear reciprocating movement, and a uniform phase angle difference is formed between each connecting rod and the corresponding sliding block; and each sliding block drives a plunger to do linear reciprocating movement; an oil injection pump is adopted in the emulsion pump for forcible lubrication, and power of the oil injection pump is provided through an outer motor. According to the emulsion pump without the speed reducer, the permanent magnetic direct drive motor serves as a drive source, no gear transmission device exists in the crank case, and the problems of gear machining and assembling and running noise are solved. The crank case is compact in structure and small in size, and the manufacturing cost is reduced. The crank case emits little heat, the transmission efficiency is high, power consumption is reduced, and expenses are saved. Due to the fact that the crank case is driven through the permanent magnetic direct drive motor, the starting torque is large during low-speed full load, the adaptability to the instantaneous overload is high, and the motor is protected against damage by large-current impacts and the instantaneous overload.

The invention discloses a method for importing all data of a relational database into Hive, and relates to the technical field of data conversion. The method comprises the steps of: creating a Hive intermediate table by adopting the string field type, importing data of the relational database into the Hive intermediate table, mapping the table field type of the relational database into the field type of the Hive target table according to the data table field type of the relational database, creating a Hive target table, importing the data of the Hive intermediate table into the Hive target table by adopting HiveSQL, and performing data analysis based on the Hive target table.

The invention relates to an improved slow-release long-acting super-hydrophobic pollution-flashover-resistant coating material. According to the present invention, based on the slow-release long-acting super-hydrophobic pollution-flashover-resistant coating material, nanometer active metal oxides such as nanometer titanium dioxide, nanometer alumina and nanometer zinc oxide are added in an improved manner, and the ratio is optimized, such that the catalytic effect is improved, the improved slow-release long-acting super-hydrophobic pollution-flashover-resistant coating material can be efficiently processed, the RTV is strengthened, and the mechanical property, the electrical property and the anti-aging property of the coating are improved; the surface structure and the characteristics of the RTV coating are improved with the nanometer powder material, such that the self-cleaning ability and the water repellency of the coating are enhanced, the coating has the good effect, and pollutionflashover resistance is easily achieved; and the improved slow-release long-acting super-hydrophobic pollution-flashover-resistant coating material can provide important practical significance in theanti-fouling work of super high voltage and ultra high voltage power network lines, can save a lot of construction funds and operation and maintenance costs, and can create good social and economic benefits.

An antenna switching integrated intelligent control cabinet disclosed by the present invention comprises a controller, a front panel and a control cabinet, the controller is fixedly connected in the control cabinet, and the controller internally comprises a peripheral detection box, a data sampling module, a data analysis module, an environment temperature and humidity sensor, a communication data acquisition module and a touch screen. The output end of the controller is electrically connected with the input ends of a switching value input module, a switching value output interface, a communication port and an Ethernet interface, and the input end of the Ethernet interface is electrically connected with the output end of an upper computer monitoring platform. The internal part of the control cabinet can be conveniently cleaned, the influence of more dust in the controller on the operation of the device and the system is avoided, the inner side of the cabinet is conveniently maintained, and the bottom of the control cabinet adopts a concave design, namely, the hard feed wire outlet and the main power supply wire inlet adopt an inward concave design, so that the interface is ensured not to be easily damaged.

The invention discloses a multi-task multi-node job scheduling system, which comprises a fault acquisition terminal, and a borrower scans a two-dimensional code arranged on a bookcase through a mobile phone, then enters the fault acquisition terminal to input bookcase fault information, and generates a fault report; a central server which is used for receiving and storing the bookcase fault report, carrying out maintenance personnel scheduling according to the distance, the comprehensive score and the maintenance personnel state as judgment basis, and generating a scheduling instruction at the same time; a plurality of maintenance terminals which are used for receiving the scheduling instruction, and after maintenance personnel receive the scheduling instruction and complete corresponding bookcase fault maintenance, the maintenance state is reported to the central server; the system has the advantages that a borrower scans a two-dimensional code through a mobile phone and reports bookcase fault information, the situation that report receiving is not timely and report missing exists when faults are reported is reduced, meanwhile, maintenance personnel scheduling is conducted according to the distance, the comprehensive score and the maintenance personnel state as the judgment basis, the maintenance personnel are rapidly arranged for maintenance, and the maintenance time and the operation and maintenance cost are saved.

The invention relates to the technical field of platform management, and discloses a DEVOPS platform based on a container technology, which comprises a system management module, an information management module, an application management module, an environment management module, a release management module, a mirror image warehouse module and a celery management module. According to the DEVOPS platform based on the container technology, the container technology and the python technology are used for making a devops platform, the functions of project management, CMDB, a springboard machine, project compiling, project online, project operation and maintenance and the like are integrated, and through the platform, a company can accelerate the project development speed, shorten the delivery time and save the research and development cost.

The invention provides a water loss protection structure for a circulating fluidized bed boiler. A PVC valve and a safety valve are arranged on an outlet pipeline of a boiler superheater, a dischargecontrol valve is further arranged on the outlet pipeline of the superheater, the offline pressure of the discharge control valve is lower than the PVC valve and the safety valve, and the discharge control valve is connected to an emergency power supply. When a water loss accident happens to the circulating fluidized bed boiler, the discharge control valve can quickly discharge a large amount of steam generated in the boiler at a certain rate, thus it is ensured that heated faces such as a water cooled wall of the boiler do not exceed the temperature, an emergency water complementing system with the high investment can be substituted, and extra maintenance is usually not needed.

The invention relates to a method for improving remote transmission reliability of in-situ acquired information, which comprises the following steps: under normal conditions, an in-situ terminal communicates with a fixed information acquisition element of an acquired object in a wireless mode, acquires the information of the acquired object and uploads the information to a back-end system. And in a set time, when the back-end system cannot receive the information sent by the terminal, an instruction for searching the corresponding information acquisition element is sent to another local terminal near the terminal, so that the new local terminal establishes wireless communication with the corresponding information acquisition element, acquires the information of the acquired object and uploads the information to the back-end system. And after the communication between the back-end system and the local terminal which interrupts the communication is recovered, an instruction for interrupting the communication between the local terminal and the corresponding information acquisition element is sent to the new local terminal. By switching the standby local terminal, the remote transmission reliability of the information acquired by the front end and the utilization rate of the terminal can be improved without adding new equipment, the number of deployed terminals is reduced, and the construction, operation and maintenance cost is saved.

The invention discloses a single-phase earth fault incremental phase selection protection method and device, which relate to the technical field of power distribution network relay protection. According to the single-phase earth fault incremental phase selection protection method and device, on the premise that a special zero-sequence current transformer and a zero-sequence voltage transformer in an existing method are omitted, the mode of being shared with a conventional measurement current transformer is adopted, the equipment manufacturing cost and the operation and maintenance cost are saved to the maximum extent, the equipment structure is simplified, and the manufacturing difficulty is reduced. Through the incremental current phase selection technology, the technology of eliminating arc suppression coil interference and feeder line cable capacitance current interference is realized, and the technical problem of realizing earth fault detection from low resistance to high resistance without zero sequence voltage is solved.

The invention discloses an SoC data recovery system and method. The system comprises a host, an SoC chip, a card reader, a path selection switch and a memory card; a first data path is formed between a data read-write interface of the host and the SoC chip, a second data path is formed between the data read-write interface of the host and the card reader, and the memory card is used for storing data files generated when the SoC chip runs; the host is used for controlling the access selection switch to access the memory card to the SoC chip through the data read-write interface in an initial state and reading and writing data from the first data access, controlling the access selection switch to access the memory card to the card reader through the data read-write interface when receiving a data recovery instruction and replacing the damaged data file in the memory card with the backup file through the second data path, and after the replacement is completed, controlling the path selection switch through the data read-write interface to access the memory card to the SoC chip so as to enable the SoC chip to normally run again. According to the invention, remote online SoC data recovery can be realized.