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Public network information high-efficiency transmission method based on Epoll model

A transmission method and information transmission technology, applied in the field of distribution automation, can solve problems such as the decline of transmission efficiency, the adverse impact of the safe and reliable operation of the distribution network, and the normal use of terminals, and achieve complete transmission of messages, stable performance, and high efficiency. Effect

Inactive Publication Date: 2015-11-11
国网新疆电力有限公司巴州供电公司 +1
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Problems solved by technology

When the number of connected terminals increases, the transmission efficiency will drop significantly, seriously affecting the normal use of terminals
[0005] On the other hand, the existing distribution automation technology often only checks the integrity of a single message in order to ensure the integrity of the message, so it cannot guarantee the accuracy of public network information transmission, which will affect the safe and reliable operation of the distribution network. adversely affect

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  • Public network information high-efficiency transmission method based on Epoll model
  • Public network information high-efficiency transmission method based on Epoll model
  • Public network information high-efficiency transmission method based on Epoll model

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Embodiment Construction

[0027] The technical content of the present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0028] When the distribution automation system is connected to a large number of terminals, in order to ensure the transmission efficiency of distribution data through the public network and the integrity and correctness of transmission messages, and to solve the problem of reduced transmission efficiency when a large number of terminals are connected, the present invention adopts Epoll The model, combined with the use of the information exchange bus, realizes the cross-regional communication between the front-end and the terminal.

[0029] figure 1 The general information transmission architecture adopted by the present invention is shown. Among them, the so-called terminal refers to a device that collects information on power equipment such as switches and transformers, and is deployed in the public network a...

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Abstract

The invention discloses a public network information high-efficiency transmission method which is used for achieving interregional communication among a front and terminals. The front is arranged on the safety region in an electric power integrated data network. The terminals are arranged in a public network region. When terminals need to send data to the front, a trigger mechanism based on the Epoll model informs the front. The front performs processing only related to terminals with data sending demands. Compared with the prior art, the public network information high-efficiency transmission method solves the transmission efficiency decrease problem when a large number of terminals are accessed. The method guarantees complete transmitted messages, high efficiency and stable performance when a large number of terminals are accessed.

Description

technical field [0001] The invention relates to a power grid information transmission method, in particular to a public network information efficient transmission method based on an Epoll model, and belongs to the technical field of power distribution automation. Background technique [0002] The current business data transmission of the power system mainly relies on the power integrated data network. However, with the continuous development of distribution network construction, the coverage area continues to expand, and the number of terminals connected to the distribution automation system is increasing significantly. On the other hand, the cost of Internet transmission has gradually decreased, and the transmission of power distribution data based on the public network has emerged as the times require. In 2012, Fujian Xiamen Electric Power Bureau piloted the use of wireless public network (GPRS) to transmit power distribution data in remote areas and old urban areas of Xi...

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Application Information

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IPC IPC(8): H04L1/24H02J13/00
CPCH02J13/00H04L1/24Y04S40/124Y02E60/00
Inventor 陈光崔立忠秦锋蕴刘方
Owner 国网新疆电力有限公司巴州供电公司
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