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Carrier channel data transmission distributed management system based on medium-voltage line

A carrier channel and data transmission technology, applied in the direction of wired transmission system, distribution line transmission system, transmission system, etc., can solve problems such as complex relationship between line nodes, to ensure communication success rate and real-time communication, reliable data, save artificial effect

Active Publication Date: 2020-11-03
QINGDAO TOPSCOMM COMM +1
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing technology lacks effective means to manage communication problems in scenarios where the relationship between line nodes is particularly complex and the number of nodes is particularly large

Method used

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  • Carrier channel data transmission distributed management system based on medium-voltage line
  • Carrier channel data transmission distributed management system based on medium-voltage line
  • Carrier channel data transmission distributed management system based on medium-voltage line

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Embodiment Construction

[0020] A carrier channel data transmission distributed management system based on medium-voltage lines is a system used for communication management of each node in power distribution network communication. In a traditional management polling system, the management unit polls each node in turn and waits for a data reply from each node. Such as figure 1 , among which the three slave nodes 11, 12, and 21 are far away from the master node. When the management unit polls these three nodes, in order to solve the problem of communication distance, it can only use the method of setting up a relay, for example, when polling nodes 11 and 12, It is necessary to build a first-level relay, with slave node 1 as the relay; and when polling node 21, a second-level relay needs to be built, with slave node 1 as the first-level relay and slave node 11 as the second-level relay. communication.

[0021] Assuming that the communication access time for each directly connected node is T, the time ...

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Abstract

The invention discloses a carrier channel data transmission distributed management system based on a medium-voltage line, and the system comprises a master management unit, a distributed management unit, slave nodes, a distribution network master station and a distribution network terminal, wherein the uplink of the master management unit is connected with the distribution network master station,and the downlink of the master management unit is connected with each slave node; the downlink of the distributed management unit is connected with each slave node, and the uplink of the distributed management unit is accessed to a network port in a previous-level system through a network cable to realize multistage distributed system architecture. The slave node is provided with two network portsand can be connected with two distribution network terminals at the same time, one network port can be used as a serial port for multiplexing and is used for connecting distribution network equipmentof two channel types, and the serial port can also be used for connecting a next-level distributed management unit. According to the invention, the original complex node relay relationship is simplified, the distributed management of each level of unit is realized, and the concurrent capability of the system is improved, so that the operation efficiency of the system is improved.

Description

technical field [0001] The present invention relates to the technical field of 10kv power line communication, in particular to a distributed management system for carrier channel data transmission based on medium-voltage lines. Background technique [0002] The distribution network is an open network structure. The medium-voltage carrier communication can use the open structure of the distribution network to realize point-to-multipoint communication. The carrier signal can transmit the signal to each node along the line of the distribution network. , at the same time, each signal node can send signals to other nodes. Power line medium-voltage carrier communication technology is an emerging technology that uses carrier signals for data transmission. It mainly uses 10kV power lines as the transmission medium to provide information communication support for various services in the distribution network. [0003] In the past network model, due to the limitation of the transmissi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04B3/54H04B3/58
CPCH04B3/542H04B3/58
Inventor 徐剑英李亮杨志萌张广磊张建李伟吴雪梅卢峰林志超程艳艳叶齐
Owner QINGDAO TOPSCOMM COMM
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