392 results about "Primary station" patented technology

The invention discloses a mass concrete intelligent temperature monitoring system and method, and the system comprises a high-precision temperature sensor, a data collection node which is connected with the high-precision temperature sensor and is responsible for carrying out the primary processing and integration of temperature data collected by the sensor, and a data collection terminal which serves as a data convergence center of the whole monitoring system and is used for collecting the temperature data. The intelligent temperature monitoring system comprises a plurality of data acquisition nodes which are connected in a wired or wireless communication mode, a data monitoring platform which operates at a server end and is a core control and management unit of the whole intelligent temperature monitoring system, and a circulating water cooling control system which is composed of a cooling water pump, a cooling tower, a cooling water pipe network, a temperature control main station and the like. The cooling water pipe network is embedded in the concrete in advance to form a closed water circulation loop; the temperature control master station receives a cooling control instruction sent by the data monitoring platform, and adjusts the rotating speed of a cooling water pump and the working state of a cooling tower according to the instruction, so that the flow and temperature of cooling water in a cooling water pipe network are accurately controlled; through flowing of circulating water in the concrete, redundant heat in the concrete is taken away, effective regulation and control over the temperature in the concrete are achieved, key indexes such as the highest temperature and the temperature gradient of the concrete are controlled within a reasonable range all the time, and concrete cracks caused by temperature stress are avoided.

The invention provides a distributed photovoltaic system intelligently matched with a photovoltaic inverter communication protocol, and relates to the technical field of photovoltaic equipment and communication, and the system comprises a photovoltaic inverter which is used for collecting photovoltaic data and uploading the photovoltaic data carrying a check code to a collection master station; the data acquisition module of the acquisition master station is used for acquiring message data and IP and port information of the photovoltaic inverter; the protocol matching module is used for performing protocol matching according to the IP and port information of the photovoltaic inverter to obtain a verification rule; the message verification module is used for verifying the accuracy of the message data through a verification rule; the message analysis module is used for analyzing the meaning of each field in the message data to obtain a function code and a data field; and the data field analysis module is used for analyzing the meaning of the analyzed data field to obtain photovoltaic data of the photovoltaic inverter. According to the scheme, intelligent matching between the photovoltaic inverter and the master station can be realized, and normal communication and data transmission between the photovoltaic inverter and the master station in the photovoltaic system are ensured.

The invention discloses an automatic feeder fault processing method based on a 5G network, and the method improves the fault processing capability of a power distribution network through the high speed, low delay and high safety of the 5G communication network, can quickly position a fault region through the information exchange between power distribution terminals in combination with the fault signals of the power distribution terminals and adjacent terminals, and improves the fault processing efficiency. Therefore, quick isolation of a fault section is achieved, when a fault occurs, the power failure range is controlled within the minimum range, the power failure time is shortened, fault positioning and control decision making are completely and autonomously completed by the power distribution terminal, the whole processing process does not depend on a power distribution main station, and the main station only needs to receive a fault processing result afterwards; according to the method, the network topology structure can be automatically updated when part of power distribution terminals have communication faults, the operation states of all nodes and circuit breakers in a power distribution line can be monitored in real time, remote measurement can be conducted on voltage, current, power factors and the like, and operation parameter curves of all the nodes can be displayed in real time.

The invention relates to a method for automatically complementarily reading historical data by a concentrator. The method comprises the following steps of: S1, initializing a virtual complementarily reading task and a scheme; and S2, data supplementary reading and supplementary reporting are carried out. The virtual complementary reading task is generated completely according to the state grid specification "Object-oriented power utilization information data exchange protocol", and the virtual complementary reading task is operated after all tasks issued by the master station to the concentrator are executed. And the virtual task can be executed only when the concentrator is detected to have idle time, so that data is complementarily read and actively reported to a master station. And the integrity of the data is guaranteed to the greatest extent under the condition that the concentrator acquires abnormally.

The invention discloses a safety control method and system for an emerging control main body, and belongs to the technical field of power system active control, and the method comprises the steps: carrying out the bidirectional data interaction through a master station AGC and a field station AGC, and carrying out the bidirectional data interaction based on a bidirectional data interaction result and a cooperative anti-error parameter; whether the emerging control main body is in a controllable state or not is judged in real time through collaborative security locking logic; if the control main body is in the controllable state, active measurement data of the emerging control main body are obtained, and jump detection and multi-source checking are carried out on the active measurement data; after verification is passed, a pre-control instruction is generated based on the control strategy, and reasonability verification and control effect simulation verification are carried out; and after the control effect simulation verification is passed, the pre-control instruction is taken as a final control instruction to be issued to the emerging control main body for execution. The method can greatly improve the safety control capability of AGC on an emerging control main body, guarantees the frequency operation safety of a power grid, and improves the safe and reliable power supply capability of the power grid.

The invention provides an intelligent power distribution network high-resistance identification and fault accurate positioning method, medium and system, and the method comprises the steps: uploading the zero-sequence voltage and zero-sequence current signals of each node of an intelligent power distribution network to a main station, carrying out the mean interpolation, logarithmic transformation and normalization processing of abnormal data, and carrying out the recognition of the zero-sequence voltage and zero-sequence current signals of each node of the intelligent power distribution network; then, the sequential sequence signals are converted into images through the Gramer angle field transformation thought, spatial domain full information features are fused, a fault feature quantity space-time atlas sample library is established, convolution and activation function operation and pooling operation are conducted on input samples through a two-channel convolutional neural network model, back propagation is conducted on full connection layer output, and the fault feature quantity space-time atlas sample library is established; the method is used for calculating the gradient of a loss function relative to network parameters and updating the weight and bias of the network through the gradients so as to minimize the loss function, and through establishment of a two-channel convolutional neural network model, the method can perform accurate fault identification and accurate fault positioning on the high-resistance fault of the intelligent power distribution network, and has a good fault identification effect on the high-resistance fault of the intelligent power distribution network. And the influence of transition resistance is avoided.

The invention relates to the technical field of power system automation, and particularly provides a full-amount power consumption data meter reading method and system, a terminal and a storage medium, and the method comprises the following steps: establishing a preset meter reading period, sending a meter reading task to a meter reading terminal in the preset meter reading period, and recording a timestamp when the meter reading task is sent; performing meter reading on the equipment based on the meter reading task to obtain meter reading data, and uploading the meter reading data to a master station; judging whether the meter reading data is abnormal or not, if so, judging an abnormal reason, and generating an abnormal state; and initiating a complementary reading task based on the abnormal state, performing complementary reading according to a preset complementary reading rule to obtain complementary reading data, uploading the complementary reading data to a master station, and integrating the meter reading data and the complementary reading data by the master station to obtain complete data. According to the invention, comprehensive acquisition of power consumption data is realized, and the integrity of the power consumption data is ensured.

The invention relates to a snowflake-type power distribution network self-healing processing logic optimization method, system and device and a medium, and belongs to the technical field of power system automation, and the method comprises the following steps: constructing a protection cooperation rule of snowflake-type power distribution network self-healing logic and a low-voltage photovoltaic grid-connected circuit breaker; optimizing the centralized logic of the master station; and constructing a distributed rapid self-healing logic based on the protection cooperation rule and the optimized master station centralized logic so as to optimize the self-healing processing logic of the snowflake type power distribution network. According to the invention, by introducing the direction signal and the direction relay, the problem that the relay protection system misjudges the fault current of multiple power supply ends is effectively solved, and wrong circuit breaker tripping events are reduced. The optimized fault processing logic can isolate a fault area more quickly, power supply to a non-fault area is recovered, and the reliability and stability of a power grid are improved.

The present application relates to the technical field of network security. Disclosed are a software-defined-network-based cloud-edge collaborative defense system and method for unknown attacks. The system comprises a main station deployed at a cloud end and a plurality of edge stations deployed at an edge end. A software defined security platform comprises a main controller, a security controller and a security component resource pool. Any one of the edge stations comprises an edge controller. The security controller is configured to receive network security information uploaded by the main controller and / or any one of the edge controllers, identify an unknown attack on the basis of the network security information, generate a corresponding defense strategy and issue the defense strategy to the security component resource pool, the main controller and / or any one of the edge controllers. The security component resource pool is configured to virtualize a security protection function into a security component, and configure the main station and / or any one of the edge stations with the security component on the basis of the network security information or the defense strategy. The problem of traditional static and rigid defense measures and strategies being unable to meet the requirements for defending against unknown attacks is solved.

The invention discloses a control method of an electricity utilization information acquisition terminal with security situation awareness, and relates to the technical field of electricity utilization information acquisition. Multi-source state evaluation, command risk division, rule decision and execution feedback are no longer independent functions through operation modes, joint security state levels, control quotas, command risk levels, command quota state marks and mutual reference between local execution consistency indexes and collaborative domain execution consistency indexes. A technical system with a close coupling relationship is formed in the electricity utilization information acquisition terminal, so that the method is not only suitable for resident courts, special transformer users and important user scenes, but also capable of automatically updating operation mode definitions, safety state division thresholds, control quota parameters and safety control rules through version comparison after main station side strategy update messages are issued. And the terminal security control capability is continuously evolved along with operation experience and strategy adjustment, and a strong synergistic effect is embodied.

The invention discloses a network path switching method and electronic equipment, and relates to the technical field of data transmission. Network paths of at least two different protocols are configured between a main station and an auxiliary station, in combination with storage performance parameters and network performance parameters of a plurality of network paths, a future performance change trend is predicted by using a preset learning algorithm, and then the weight of each performance parameter is dynamically adjusted. Therefore, comprehensive scoring and optimal path selection of different network paths are realized, a better network path can be predicted and selected in advance before the network performance is reduced or a fault occurs, intelligent rapid switching among different protocol paths is realized, the technical problem of remote replication interruption caused by a single path fault is solved, and the network performance is improved. The technical effects of guaranteeing the continuity and consistency of data transmission and improving the reliability and efficiency of the remote replication network are achieved.

The invention relates to the technical field of fusion terminals, and particularly provides a fusion terminal data reporting missing rereporting method and system and a medium, and the method comprises the steps: through a reporting task initialization mechanism, when a fusion terminal is started or a task scheme and a table file change, emptying historical data and carrying out initialization again; adopting an acquisition scheme matching strategy based on the matching degree and the interrogation interval to accurately select a target acquisition scheme; in combination with a two-stage compensation mechanism of self-compensation and failure linked list compensation, compensation is scheduled according to protocol timeout in the self-compensation stage, and periodic compensation, forced compensation and redundant data cleaning are executed in the failure linked list stage. Through the above steps, the integrity and reliability of data reporting of the fusion terminal are effectively improved, and the accuracy of collection success rate statistics of the master station is guaranteed.

The invention discloses a power distribution network modeling and information exchange method based on the Internet of Things technology. The method comprises the following steps: establishing intelligent equipment and a distributed resource information model based on IEC61850; according to an IECCIM expansion principle, carrying out CIM model expansion of distributed resources on a master station side; the IECCIM model and the IEC61850 model are analyzed under certain conditions, a fusion scheme is formulated, and a fusion model is constructed under the principle that modification of an existing standard is reduced and description of the models by the two standards tends to be consistent; mapping data of the distributed energy information model and the power system information model according to the fusion model to realize data interaction between the distributed energy system and the power system; the IEC 61850 is researched to convert the IEC CIM into a main part of an IEC 61850 information model, and the problems that a traditional power grid communication protocol is non-object-oriented, poor in expansibility and incapable of switching equipment models are solved; and a consumption-oriented Internet of Things communication protocol is slightly insufficient in security and real-time performance, and cannot support real-time application of the micro-grid, and the like.

The invention discloses an Internet of Things networking scheduling method for railway tunnel disaster prevention illumination and evacuation indication, and relates to the technical field of railway tunnel disaster prevention. Comprising the following steps: S1, tunnel end monitoring equipment actively initiates environmental channel detection through a power line carrier communication network, scans impedance characteristics, noise levels and attenuation characteristics of different line sections in a tunnel, establishes a dynamic channel fingerprint database, and records an optimal communication frequency point and a channel quality threshold; and S2, performing real-time linkage between the local center monitoring main station and a fire alarm system, and after receiving a fire alarm signal, immediately generating a dynamic evacuation path through a disaster evolution prediction model according to a fire alarm position, a smoke diffusion state and a real-time channel state. The power line carrier communication module is utilized to actively perform channel detection and electrical parameter acquisition, a state channel fingerprint database is established, and fault diagnosis and state grading are performed based on the state channel fingerprint database, so that the overall reliability and maintainability of the scheme are improved, and the availability of equipment in a disaster is ensured.

The invention discloses an acquisition terminal wireless communication data transmission method and system, and the method comprises the steps: obtaining the 4G communication data communication states of a plurality of other acquisition terminals within a second preset range from a current acquisition terminal to a data main station, and enabling the acquisition terminal which keeps data communication with the data main station to be a first acquisition terminal, the unconnected acquisition terminal is a second acquisition terminal; based on the 4G communication data connection state, a plurality of signal channels for data transmission between the current acquisition terminal and the first acquisition terminal through the LORA communication component are obtained, the starting point of each signal channel is the current acquisition terminal, the terminal point is the first acquisition terminal, and a plurality of relay acquisition terminals are arranged between the starting point and the terminal point; and selecting the signal path with the least number of relay acquisition terminals in the plurality of signal paths based on a depth-first search algorithm, sending the acquisition data of the current acquisition terminal to the first acquisition terminal, and sending the acquisition data to the data master station through the 4G communication component of the first acquisition terminal.

The invention relates to the technical field of electric energy charging, in particular to an electric quantity data verification method and system and a computer. The invention discloses an electric quantity data verification method which is applied to verification of electric quantity working data among multiple master stations. The electric quantity working data comprises electric quantity working data of a statistical master station and electric quantity working data of at least one to-be-checked master station, and the checking method comprises the following steps: the statistical master station obtains the electric quantity working data according to preset time to obtain to-be-checked electric quantity data; judging whether the to-be-checked electric quantity data conforms to a single-table data checking rule or not; if yes, whether the to-be-checked electric quantity data conforms to the inter-table data rule or not is judged; and if the inter-table data rule is met, determining that the electric quantity data verification is passed. The accuracy of the electric quantity working data is ensured through the single-meter verification rule and the inter-meter verification rule, it is ensured that faults or problems of the electric energy meter and related equipment are found in time, the situation that metering is inaccurate or a power supply unit does not meter less electric quantity is prevented, and the fairness and correctness of electric quantity metering are confirmed.

The invention relates to a power distribution network fault early warning method based on multi-source data fusion. The specific process comprises the steps of S1, differentially configuring fault sensing conditions of a power distribution master station and equipment inside and outside the station; s2, monitoring a line signal in real time; s3, fault early warning: the main station calls and measures recording files of all feeder line complete switches under the bus, abnormal waveform files are screened out and then sent to an algorithm research and judgment module, system disturbance or instantaneous fault research and judgment and positioning are carried out, and a fault early warning result is displayed; and S4, checking and eliminating the suspected fault points, displaying a fault early warning result in combination with a network topological graph, and notifying operation and maintenance personnel to go to check and eliminate the suspected fault points through short messages. The system has a prospective fault sensing capability, can capture tiny disturbance or transient faults of the system in advance, and efficiently and accurately completes defect elimination before potential faults are evolved into permanent faults, so that stable operation of the system is ensured.

The present invention relates to a distribution network fault processing method and system with coordinated self-adaptation between a master station and a terminal, wherein fault processing of the master station and the terminal is allocated according to a fault processing strategy, a distribution network fault location model is used to locate the fault during the master station processing, and after the fault is isolated, the active loads in the distribution network are classified according to the regulation capability and the power supply is restored to the non-fault power outage area according to the classification. The present invention effectively uses the coordinated self-adaptation control mode of the master station and the terminal to realize the rapid location, isolation and recovery of intelligent distribution network faults, thereby improving the efficiency and accuracy of fault location.

The present invention relates to a highly reliable and secure access method for acquisition and control terminals. Based on a business main station connected to an acquisition and control terminal via a secure access system, a main secure access gateway is designed to initiate identity authentication to the acquisition and control terminal based on a communication link. In combination with the encryption and decryption design between the two parties, a strict security authentication mechanism is established to effectively prevent network attacks and data leakage, thereby improving the security of the terminal and the business system. A secure access system is designed with dual secure access gateways. Through a highly reliable dual-machine hot standby mechanism, when a single secure access system fails, it can be quickly switched to ensure the continuity and real-time nature of the terminal acquisition and control business, thereby enhancing the stability and robustness of the business system. The present invention also designs a corresponding system, and through the specific module design of the acquisition and control terminal and the secure access system, the method execution process is subdivided to improve the accuracy and work efficiency of practical applications.

The invention relates to a relay protection inspection system architecture and method based on cloud edge collaboration. The objective of the invention is to solve the technical problems of low automation degree and insufficient test coverage rate of the existing relay protection test. According to the technical scheme, the system comprises a cloud end and a side end, the cloud end is deployed on a wave recording master station, the side end comprises a relay protection device, edge wave recording equipment and an automatic testing device, and the resource advantages of wave recording networking of secondary equipment are utilized to be responsible for collection, preprocessing and real-time testing of local data; the relay protection inspection method comprises the steps of data acquisition, state pre-evaluation of the relay protection device, automatic testing and formation of a test report, a positive interaction mode of information exchange is formed between the master station and the secondary equipment through cloud-side cooperation, optimal use of equipment resources of the whole network is facilitated, and the service life of the equipment resources of the whole network is prolonged. And the overall analysis and fault early warning functions of the master station are enhanced, and real-time pre-evaluation, automatic testing and intelligent operation and maintenance of the equipment state are realized in combination with cloud computing, edge computing, an improved BP neural network and an evidence theory.

The application discloses a kind of ship's multiple propeller collaborative propulsion control method and system, it is related to ship automation control technical field.For by the control system of ship collaborative control multiple propeller to carry out ship propulsion, collaborative propulsion control method includes: obtaining the speed of ship, main station handle position and power station available power;Based on speed and main station handle position, identify the current navigation condition of ship;Based on the matching relationship of pre-set, obtain the operation mode matched with navigation condition;Based on navigation condition, operation mode and the switching control strategy between different navigation conditions of pre-set, available power of power station is distributed to multiple propeller, and the collaborative propulsion of ship is carried out.Such, by based on speed and main station handle position, identify navigation condition, and match operation mode, to distribute available power of power station to multiple propeller, improve the response speed of ship propulsion control, improve the adaptability to complex navigation environment, improve ship safety.

The invention provides a synchronous phasor measurement type power distribution automation device and a power distribution implementation method, and relates to the technical field of power distribution automation. The device comprises a circuit board which is divided into a core board, a main board, an analog signal measuring board, a liquid crystal screen adapter board, a keying display board, a power supply module, a residual pressure board, a power supply voltage measuring switching board, an indicating lamp board and a PMU board. The invention further comprises a power distribution implementation method, and wide-area synchronization, high-frequency and high-precision sampling functions are achieved. FXU grounding detection performance is substantially improved, neighborhood protection independent of a master station is realized, and accurate positioning, isolation and second-level self-healing of faults are automatically completed; a distributed intelligent FA function does not depend on a master station, a main line does not depend on stage difference cooperation, absolute selectivity of protection is achieved, minimum isolation of a fault section is accurately completed, and second-level power restoration of a non-fault section is accurately completed. The neighborhood protection makes up for the selective defect of over-current protection, and upstream and downstream switches of a fault point can be switched off nearby.

The present invention discloses a distribution network fault self-healing method and device based on the coordination of master station and terminal protection. By receiving switch displacement information and protection action information sent by the distribution terminal when a fault occurs, the switches at both ends of the fault section are determined in combination with the network topology of the distribution network. According to the switch displacement information sent by the distribution terminal, the switches at both ends of the fault section are opened to isolate the power supply lines between the switches at both ends of the fault section. Then, in combination with the network topology of the distribution network, it is determined whether the switches at both ends of the fault section include a tie switch. When it is determined that the switches at both ends of the fault section do not include a tie switch, the tie switch is controlled to close to restore power supply to the non-fault section, thereby avoiding power loss in the non-fault section upstream of the fault point after the fault, reducing the scope of the fault power outage, and at the same time reducing the power supply recovery time downstream of the fault point, thereby improving power supply reliability.

The application relates to the technical field of power distribution networks of power systems, and discloses a fault post-recovery control method for a power distribution network containing flexible soft switches, which comprises the following steps: after a fault occurs, the original main station converter is exited, the active power, the reactive power and the rated capacity of the remaining converters are collected to calculate the dynamic capacity margin, the electrical distance from each converter node to the load center of the system is calculated, the comprehensive score is obtained based on the capacity margin and the electrical distance weighting, the converter with the highest comprehensive score and the capacity margin greater than the preset threshold is selected as the new main station, and the control mode of the new main station is switched; the main station selection mechanism based on the comprehensive evaluation of the dynamic capacity margin and the electrical distance is used to quickly establish a stable voltage frequency reference for the power failure area, the load shedding penalty sub-target and the load hierarchical and phased recovery strategy are used to preferentially guarantee uninterrupted power supply for the first important load under the condition that the transfer supply capacity is limited, and the influence of power failure on sensitive users is effectively reduced.

A data interaction method for a novel electric power intelligent operation and maintenance system architecture comprises an intelligent operation and maintenance system master station deployed on a dispatching side and an intelligent operation and maintenance system substation module deployed on a substation end side, and the intelligent operation and maintenance system master station module and the intelligent operation and maintenance system substation module are connected through a multi-protocol data communication protocol to realize data acquisition and state monitoring; the master station and the substation have a data interaction function; the master station adopts a hierarchical management mode for the substations, remotely issues and executes commands to the substations and the access equipment during data interaction, and executes part of operation and maintenance operations in an agency manner; hierarchical management configuration is carried out in combination with data interaction service characteristics; a permission system and data interaction are deeply fused, substations and access equipment are dynamically configured, and dynamic permission distribution is performed by means of digital certificate authentication; the substation automatically detects and switches various data communication protocols and different versions with the master station, and supports flexible access and cross-platform operation. According to the method, the operation and maintenance accuracy and real-time performance are improved, the cost is reduced, and technical support is provided for operation and maintenance of substation equipment data.

The application discloses an implementation method suitable for a high-throughput satellite communication hybrid duplex system, which acquires double-network statistical basic data containing end station round-trip propagation delay distribution and phased array antenna transmission-reception switching characteristics; constructs a dual-coupling time planning mathematical model with original network and mirror network time window start and end time as optimization variables, and solves optimal time parameters under the conditions of satisfying physical constraints such as delay reachability, antenna switching safety and main station reception zero overlap; and the main station broadcasts time slot configuration instructions to cooperatively control all network end stations to perform hybrid duplex transmission-reception. The application also introduces a closed-loop feedback mechanism based on end station local observation, estimates delay drift by using network clock reference information, and corrects model input. The application realizes zero conflict hybrid duplex communication under complex physical constraints by converting static configuration into dynamic mathematical optimization solution, and improves satellite spectrum resource utilization rate and system operation stability.

The invention discloses a wide area measurement system abnormal data identification method, system and related device, and the method comprises the steps: carrying out the single electrical interval data abnormity identification of a single PMU at a plant station end, and obtaining a first abnormal data identification result; according to the first abnormal data identification result, when a certain measurement data in a single electrical interval is abnormal, comparing and identifying data anomalies of a plurality of PMUs at a plant-station end to obtain a second abnormal data identification result; if the same PMU is accessed to a plurality of electrical intervals on the same bus, performing wide-area level correlation comparison analysis on wide-area measurement system data at a master station end, and performing wide-area measurement system abnormal data identification through a power grid topology connection relation to obtain a third abnormal data identification result; and integrating the obtained abnormal data identification result, and obtaining an abnormal data identification result of the wide-area measurement system through collaborative analysis of a main station and a plant station. According to the method, the identification accuracy of the WAMS abnormal data is improved, and the work of diagnostic analysis of a master station is reduced.

The application discloses an improved method, system and medium for improving the reliability of wireless communication of a power distribution terminal. The method comprises: stopping the main station from sending services such as total calling, time, heartbeat, request link state and link test during remote control operation, and resuming the process after the remote control process is completed; adding remote control conditions for local discrimination by the power distribution terminal; extending the discrimination duration of communication timeout; and sending burst remote signaling and burst remote measurement messages occurring within a cycle time by separate packaging in units of cycle time, thereby improving information transmission efficiency. The application is dedicated to low signal areas and is compatible with IEC60870-101 protocol, and solves the low remote control success rate caused by hardware problems by using software modification; the terminal discriminates remote control conditions when the main station performs remote control operation, and effectively solves the remote control failure problem by adding a put-off constant value.

The invention discloses a plug-and-play system and method based on distributed resources of a power distribution network. The system comprises end equipment, a fusion terminal, an IP dual-mode communication module, a master station plug-and-play micro application and a property management platform. The end equipment is connected with the IP dual-mode communication module; the IP dual-mode communication module is connected with the fusion terminal; the fusion terminal communicates with the property management platform; the property management platform is connected with the main station plug-and-play micro application; according to the invention, the IP dual-mode communication module is introduced, a unique IP address is allocated to each device, a high-efficiency IP network transmission channel is constructed, high-real-time and high-bandwidth communication is realized, district intelligent device diversified protocols are borne, a fusion terminal is seamlessly accessed, plug and play is supported, the device can issue commands to a multi-terminal device in batches, and the communication efficiency is improved. And multi-service parallel communication of single-end equipment is supported, protocol conversion is simplified, and the real-time performance, the bandwidth and the concurrency capability of a communication network are remarkably improved.

The utility model discloses a belt safety protection system with a fault positioning function, which comprises a chute blanking plug, a slip detector, a longitudinal tear detector, a deviation switch, a pull rope switch, a comprehensive protection device, a belt conveyor PLC (Programmable Logic Controller) main station and an upper computer, the slip detector is electrically connected with the slip detection input end of the comprehensive protection device through a cable, and each protection switch element has a unique code in a system, so that when the protection switch element acts, the comprehensive protection device can automatically position a fault switch and give an alarm on site, and meanwhile, alarm information is sent to a PLC main station; therefore, the specific position of the fault switch can be determined, the detection and maintenance efficiency can be greatly improved, the dustproof effect is good, and the cable is firmly fixed.