CN-121995887-A - Protection measurement and control integrated terminal supporting peer-to-peer communication and distributed intelligent cooperation

CN121995887ACN 121995887 ACN121995887 ACN 121995887ACN-121995887-A

Abstract

The invention discloses a protection measurement and control integrated terminal supporting peer-to-peer communication and distributed intelligent coordination, and belongs to the technical field of industrial control. The system comprises a communication interaction module, a distributed cooperative processing module, a protection measurement and control execution module, a data storage module and a state monitoring module, wherein by constructing a protection measurement and control integrated terminal, the measurement and control response speed, the cooperative processing efficiency and the operation reliability of the terminal in a complex system are improved, multiprotocol adaptation, optimal link selection and data transmission optimization design are adopted, and the comprehensive and multi-layer monitoring and early warning of the terminal and associated equipment are realized by node dynamic management, task intelligent allocation and multiple verification mechanism reinforced operation and combination of multiple sensor acquisition and protection strategy self-optimization, so that the pain points such as terminal protocol compatibility allowance, low resource utilization rate, insufficient measurement and control suitability and the like are solved, and the terminal has the capability of flexibly adapting to different scenes, resisting network interference and efficiently processing complex tasks.

Inventors

YE GUANGLIN
ZHANG HAILUN
CHEN TIANSHENG
CHEN YIWEN
LIU CHAOHUA

Assignees

珠海欧力配网自动化股份有限公司

Dates

Publication Date: 20260508
Application Date: 20260210

Claims (10)

1. The protection measurement and control integrated terminal supporting peer-to-peer communication and distributed intelligent coordination is characterized by comprising a communication interaction module, a distributed coordination processing module, a protection measurement and control execution module, a data storage module and a state monitoring module; The communication interaction module is configured to realize peer-to-peer communication between the main terminal and other terminals, the upper computer and the external equipment, and establish a stable data transmission link; the distributed cooperative processing module is configured to perform distributed intelligent cooperative operation based on resource scheduling and task allocation of the multi-terminal nodes; The protection measurement and control execution module is configured to monitor and control the running state of equipment in a power system and industrial control scene in real time; the data storage module is configured to store and rapidly retrieve communication data, cooperative operation data, measurement and control data and equipment state data in a classified manner; The state monitoring module is configured to collect running state parameters of the main terminal and associated equipment in real time and perform abnormal early warning and fault positioning.
2. The protection measurement and control integrated terminal supporting peer-to-peer communication and distributed intelligent coordination according to claim 1, wherein the communication interaction module comprises a communication protocol adaptation unit, a link establishment and maintenance unit and a data transmission optimization unit; The communication protocol adaptation unit is configured to pre-store a communication protocol and automatically complete protocol matching and adaptation based on the protocol type of a communication object; The link establishment and maintenance unit is configured to determine the position of a communication node through equipment identity authentication and network topology detection, select an optimal communication path based on node distance, network bandwidth and signal strength, establish a peer-to-peer communication link, monitor the transmission quality of the link in real time, and automatically trigger a link reconnection mechanism to switch a standby communication path when link interruption or signal attenuation occurs; The data transmission optimizing unit is configured to perform slicing processing on transmission data and set transmission priority for key measurement and control data.
3. The integrated protection measurement and control terminal supporting peer-to-peer communication and distributed intelligent coordination according to claim 1, wherein the distributed coordination processing module comprises a node discovery and management unit, a task decomposition and allocation unit and a coordination operation unit; The node discovery and management unit is configured to discover other terminal nodes in the network through multicast detection and heartbeat packet interaction mechanisms, acquire the hardware resource state, the software running state and the task load condition of each terminal node, establish a node resource information base and update in real time; The task decomposition and distribution unit is configured to decompose the whole task into a plurality of subtasks based on the complexity, real-time requirements and data processing capacity of the measurement and control task, and distribute the subtasks to the optimal terminal nodes by combining the node load balance degree, the computing capacity and the suitability of the tasks in the node resource information base, and simultaneously establish a task scheduling queue and dynamically adjust the execution sequence of the subtasks; The cooperative operation unit is configured to realize operation data interaction and result synchronization among the nodes through the peer-to-peer communication link and automatically transfer subtasks born by abnormal nodes in the operation process to the standby nodes.
4. The protection measurement and control integrated terminal supporting peer-to-peer communication and distributed intelligent coordination according to claim 3, wherein the coordination operation unit is further configured to: The method comprises the steps of monitoring the occupation condition of operation resources of each node in real time, and automatically transferring partial unfinished subtasks of a certain node to a resource idle node when the resource overload occurs to the certain node; When the node resources are released, readjusting task allocation, and carrying out dynamic balanced scheduling of operation resources; Carrying out local verification on the operation results of all the nodes through multiple verification, and comparing the operation results of different nodes aiming at the same subtask through cross-node cross-verification; if the result difference exists, starting an abnormality investigation flow, and reassigning the subtasks to operate.
5. The integrated protection, measurement and control terminal supporting peer-to-peer communication and distributed intelligent coordination according to claim 4, wherein after node resources are released, task allocation is readjusted to perform dynamic balanced scheduling of operation resources, and the integrated protection, measurement and control terminal specifically comprises: After the resource release confirmation, generating a resource release node information packet, and synchronizing to a node resource information base through a peer-to-peer communication link; Carrying out task state statistics on all unfinished subtasks, and recording the residual execution duration, the data processing amount and the requirement specification of hardware resources of each subtask; performing suitability analysis based on the idle resource quantity of the release node in the node resource information base and the resource demand specification of each unfinished subtask, and calculating the adaptation score of each unfinished subtask and the release node; Sequencing unfinished subtasks according to the adaptation score from high to low, preferentially distributing the subtask with the highest adaptation score to a resource release node, and if the idle resource of the release node can bear a plurality of subtasks at the same time, sequentially distributing until the resource is saturated; Constructing a subtask migration channel, carrying out data snapshot processing on the subtasks to be migrated, and recording the current execution progress of the tasks, intermediate operation results and related configuration parameters; After receiving the subtasks, the resource release node restores the task execution state based on the snapshot data and starts subtask operation according to the preset execution priority; And after the task redistribution is completed, the computing resource dynamic scheduling subunit recalculates the load balancing degree of each node, and when the load balancing degree of all the nodes is in the [0.7,1.3] interval, the resource scheduling balancing is judged.
6. The integrated protection measurement and control terminal supporting peer-to-peer communication and distributed intelligent coordination according to claim 1, wherein the measurement and control execution module comprises a state acquisition unit, a protection logic judgment unit and a control output unit; the state acquisition unit is configured to acquire operation parameters of the monitored equipment in real time through the sensing equipment, wherein the operation parameters comprise voltage amplitude, current frequency, equipment temperature and operation vibration amplitude, and standardized state monitoring data are generated; the protection logic judging unit is configured to pre-store a protection strategy and a threshold range, perform logic operation based on state monitoring data and the protection strategy, and judge that the equipment has operation risk and generate a corresponding protection trigger signal when the monitoring data exceeds a preset threshold or an abnormal change trend occurs; The control output unit is configured to output corresponding control instructions according to preset control rules after receiving the protection trigger signals, wherein the control instructions comprise equipment shutdown instructions, parameter adjustment instructions and alarm prompt instructions, the execution mechanism is used for realizing rapid protection control of monitored equipment, and meanwhile, the control instructions and the execution results are fed back to the distributed cooperative processing module and the data storage module.
7. The protection measurement and control integrated terminal supporting peer-to-peer communication and distributed intelligent coordination according to claim 6, wherein the protection logic judging unit is further configured to: Based on historical measurement and control data, fault processing records and equipment operation environment change conditions, carrying out dynamic optimization adjustment on a preset protection strategy through a machine learning algorithm; the effectiveness and false triggering rate of different protection strategies in actual application are analyzed, the protection threshold and logic judgment conditions are adjusted, personalized protection strategies are automatically generated aiming at special operation environments or equipment aging states, and the optimized personalized protection strategies are stored in a strategy library.
8. The protection measurement and control integrated terminal supporting peer-to-peer communication and distributed intelligent coordination according to claim 1, wherein the data storage module comprises a data classification unit and a distributed storage unit; The data classification unit is configured to perform labeled classification on communication data, cooperative operation data, measurement and control data and equipment state data based on data types, generation time, importance degrees and associated equipment, and allocate corresponding storage priority and retention period for different types of data; The distributed storage unit is configured to distribute the classified data to the local storage nodes and the distributed storage nodes of the associated terminals according to the storage priority through a multi-node redundant storage architecture.
9. The protection measurement and control integrated terminal supporting peer-to-peer communication and distributed intelligent coordination according to claim 8, wherein the distributed storage unit is further configured to: dynamically managing the stored data based on the retention period and the access frequency of the data; For non-critical data which exceeds the retention period and has low access frequency, automatically archiving or deleting the non-critical data, and optimizing the storage position for the data with high access frequency; When the local storage node or the distributed storage node is lost and damaged, backup data are acquired from other normal storage nodes based on a redundant storage architecture, data are completed through data interpolation and feature matching, and the data loss reason and the recovery process are recorded.
10. The protection measurement and control integrated terminal supporting peer-to-peer communication and distributed intelligent coordination according to claim 1, wherein the state monitoring module comprises a terminal self-monitoring unit, a device monitoring unit and an abnormality early warning unit; The terminal self-monitoring unit is configured to collect CPU running load, memory occupancy rate, power supply voltage stability and working state of the communication module in each terminal in real time and evaluate running health of the terminal; The equipment monitoring unit is configured to acquire real-time operation state parameters of the monitored equipment through data interaction with the protection measurement and control execution module, and analyze the operation trend and potential fault risk of the equipment by combining historical operation data with a fault case library; The abnormal early warning unit is configured to set a multi-stage early warning threshold based on the monitoring results of the terminal self-monitoring unit and the equipment monitoring unit, and when the monitoring parameters exceed the early warning threshold, corresponding early warning information is generated according to the abnormal severity, wherein the early warning information comprises early warning grades, abnormal types, occurrence positions and recommended treatment measures, and the early warning information is sent to the relevant management terminal and the upper computer through the communication interaction module.

Description

Protection measurement and control integrated terminal supporting peer-to-peer communication and distributed intelligent cooperation Technical Field The invention relates to the technical field of industrial control, in particular to a protection measurement and control integrated terminal supporting peer-to-peer communication and distributed intelligent collaboration. Background In the fields of industrial automation, power system regulation and control, intelligent manufacturing and the like, a protection measurement and control terminal is used as core control equipment and bears key tasks such as equipment state monitoring, fault protection, instruction execution and the like, and the traditional protection measurement and control terminal gradually exposes a plurality of limitations: On one hand, the traditional terminal mostly adopts a single-point centralized processing architecture, has limited operation resources, is in face of processing bottleneck when the massive monitoring data and the multidimensional measurement and control tasks in a complex system are carried out, causes delay of measurement and control response, and is difficult to meet real-time control requirements, on the other hand, the communication among the terminals mostly depends on a single protocol and a fixed link, has poor compatibility and weak anti-interference capability, cannot realize efficient peer-to-peer communication among multiple terminals and multiple devices, has insufficient distributed cooperative processing capability, is difficult to adapt to resource scheduling and task allocation requirements of a large-scale distributed system, and furthermore, the protection strategy of the traditional terminal mostly has fixed configuration, lacks self-adaptive optimization capability, has poor suitability for working conditions such as complex operation environments, equipment aging and the like, and the data storage mostly adopts a local storage mode, has insufficient safety and disaster tolerance capability, and lacks all-round state monitoring and early warning mechanisms for the terminal and the associated equipment, and is easy to cause system outage due to potential faults not being timely handled. In order to solve the problems, the application of the distributed cooperation and multi-protocol communication technology in protecting the measurement and control terminal is gradually explored in the industry, but the prior art still has obvious shortboards that a part of the distributed scheme only realizes simple task splitting, node resource dynamic balanced scheduling is not considered, so that the resource utilization rate is low, the communication protocol adaptation is lack of flexibility and is difficult to be compatible with external equipment of different manufacturers and different types, the protection logic optimization is dependent on manual intervention, the self-adaptive adjustment capability is insufficient, the data storage and state monitoring system is imperfect, and the data safety and fault prejudgment capability are to be improved. Disclosure of Invention The invention aims to provide a protection measurement and control integrated terminal supporting peer-to-peer communication and distributed intelligent cooperation so as to solve the problems in the background technology. In order to achieve the aim, the invention provides the technical scheme that the protection measurement and control integrated terminal supporting peer-to-peer communication and distributed intelligent collaboration comprises a communication interaction module, a distributed collaborative processing module, a protection measurement and control execution module, a data storage module and a state monitoring module; The communication interaction module is configured to realize peer-to-peer communication between the main terminal and other terminals, the upper computer and the external equipment, and establish a stable data transmission link; the distributed cooperative processing module is configured to perform distributed intelligent cooperative operation based on resource scheduling and task allocation of the multi-terminal nodes; The protection measurement and control execution module is configured to monitor and control the running state of equipment in a power system and industrial control scene in real time; the data storage module is configured to store and rapidly retrieve communication data, cooperative operation data, measurement and control data and equipment state data in a classified manner; The state monitoring module is configured to collect running state parameters of the main terminal and associated equipment in real time and perform abnormal early warning and fault positioning. Further, the communication interaction module comprises a communication protocol adaptation unit, a link establishment and maintenance unit and a data transmission optimization unit; The communication protocol adaptation unit is configu