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Serial network data transmission method and device based on safety network isolation technology

A network data transmission and security network technology, applied in the field of serial network data transmission, can solve the problems of bad influence on the system, and achieve the effects of ensuring security, collecting security information, and preventing attacks

Inactive Publication Date: 2014-05-07
中电科网络安全科技股份有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

If the transmitted data is tampered with or leaked, it will have a bad impact on the system

Method used

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  • Serial network data transmission method and device based on safety network isolation technology

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Embodiment Construction

[0038] All features disclosed in this specification, or steps in all methods or processes disclosed, may be combined in any manner, except for mutually exclusive features and / or steps.

[0039] Any feature disclosed in this specification (including any appended claims, abstract and drawings), unless expressly stated otherwise, may be replaced by alternative features which are equivalent or serve a similar purpose. That is, unless expressly stated otherwise, each feature is one example only of a series of equivalent or similar features.

[0040] Relevant description of the present invention:

[0041] 1. The terminal safety protection device and the remote server of the distribution network master station use TCP / UDP transmission protocol or other network transmission protocols.

[0042] 2. Before step 1, it also includes the initialization of the terminal safety protection device, the initialization of the remote terminal of power distribution, and the initialization of the re...

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Abstract

The invention relates to the technical field of safe data transmission, in particular to a serial network data transmission method and device based on a safety network isolation technology in order to solve problems existing in the prior art. In a power distribution remote terminal, 101 protocol data transmitted in a serial mode are safely transmitted to a remote server through a TCP / IP network, information of the remote server of a distribution network main station is received, and therefore information collection, centralized management and state monitoring of the power distribution remote terminal are achieved; in the process, the data transmitted in the process are subjected to compliance check and safety protection so that it can be guaranteed that the data forwarded through the device are legal and the data transmission process is safe and reliable. Two-way communication connection between a terminal safety protection device and the power distribution remote terminal and two-way communication connection between the terminal safety protection device and the remote server of the distribution network main station are achieved respectively, and whether data frames can be transmitted to the remote server of the distribution network main station or the power distribution remote terminal through the terminal safety protection device or not is detected.

Description

technical field [0001] The invention relates to the technical field of data security transmission, in particular to a serial network data transmission method and device based on security network isolation technology. Background technique [0002] The distribution network automation system is simply composed of a distribution network remote terminal and a distribution network master station. The distribution network automation terminal communicates with the remote server of the distribution network master station to realize the automation of the operation monitoring and control of the distribution network. It has a distribution SCADA , feeder automation, real-time information publishing and data interaction and other functions. [0003] The distribution remote terminal is used for the monitoring and control of distribution system transformers, circuit breakers, reclosers, sectionalizers, load switches on the column, ring network cabinets, voltage regulators, and reactive powe...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/06
Inventor 赵银春
Owner 中电科网络安全科技股份有限公司
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