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Power monitoring serial communication method and system based on optimized polling mechanism

A technology of serial communication and power monitoring, applied in transmission systems, digital transmission systems, electrical components, etc., can solve the problem of long acquisition cycle of equipment, improve polling efficiency and data transmission efficiency, ensure timely response, and improve effective sexual effect

Active Publication Date: 2020-11-06
INTEGRATED ELECTRONICS SYST LAB
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Problems solved by technology

[0005] The purpose of the present invention is to provide a power monitoring serial communication method and system based on an optimized polling mechanism, aiming to solve the problem in the prior art that the slave device has a long collection cycle when there are too many slave device nodes or abnormal communication, and realize Quick and effective query from equipment data, shorten the collection cycle, and improve the reliability of data collection

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  • Power monitoring serial communication method and system based on optimized polling mechanism
  • Power monitoring serial communication method and system based on optimized polling mechanism
  • Power monitoring serial communication method and system based on optimized polling mechanism

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Embodiment Construction

[0030] In order to clearly illustrate the technical features of the solution, the present invention will be described in detail below through specific embodiments and in conjunction with the accompanying drawings. The following disclosure provides many different embodiments or examples for implementing different structures of the invention. In order to simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Furthermore, the present invention may repeat reference numerals and / or letters in different instances. This repetition is for the purpose of simplicity and clarity and does not in itself indicate a relationship between the various embodiments and / or arrangements discussed. It should be noted that the components illustrated in the figures are not necessarily drawn to scale. Descriptions of well-known components and processing techniques and processes are omitted from the present invention to avoid unneces...

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Abstract

The invention provides a power monitoring serial communication method and system based on an optimized polling mechanism, and the method and system solve a problem that a master device can sequentially inquire slave nodes in a fool manner no matter whether the nodes are online or not through the design of a communication connection mechanism, and greatly improve the polling efficiency and data transmission efficiency of online nodes. Through a data polling priority mechanism, priority processing is carried out on node polling, priority processing is also carried out on data in nodes, and timely response of control tasks and priority query processing of high-priority data are effectively ensured; through an intra-node data query frequency limiting mechanism, the defect that node items are continuously queried and cannot be queried for subsequent nodes is effectively overcome, normal polling of all node data is ensured, and the effectiveness of the node data is improved; through the various mechanisms, it is ensured that data of all nodes can be inquired rapidly and effectively, and the reliability of data collection is greatly improved.

Description

technical field [0001] The invention relates to the technical field of power monitoring, in particular to a serial communication method and system for power monitoring based on an optimized polling mechanism. Background technique [0002] With the development of modern technology, the degree of informatization of power automation equipment is getting higher and higher, and it has gradually become a necessary requirement to have a networked communication interface. In the power monitoring system, the equipment needs to support a variety of communication methods. The RS485 serial communication bus has been widely used due to its advantages of long transmission distance, low cost, easy deployment, and support for multi-node communication. The RS485 serial communication bus is connected in a hand-in-hand manner. There can be as many as dozens of terminal equipment nodes on the bus, and the node data can be collected in time, and the operation commands can be quickly issued and e...

Claims

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Application Information

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IPC IPC(8): H04L12/40H04L12/403
CPCH04L12/40006H04L12/403
Inventor 刘敬科雷荣超石振磊邵波孟文杰张家章张凯张会彬田君茹韩明星刘丹郭增峰李言李小彤邢征
Owner INTEGRATED ELECTRONICS SYST LAB
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