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Point-to-point data transmission method of low-voltage power line carrier

A data transmission method and technology of low-voltage power carrier, applied in the direction of digital transmission system, distribution line transmission system, transmission system, etc.

Active Publication Date: 2014-02-12
深圳市阳光智电科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The purpose of the present invention is to propose a low-voltage power carrier point-to-point data transmission method, which can solve the problem of real-time reporting

Method used

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  • Point-to-point data transmission method of low-voltage power line carrier
  • Point-to-point data transmission method of low-voltage power line carrier
  • Point-to-point data transmission method of low-voltage power line carrier

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Embodiment Construction

[0033] In the following, the present invention will be further described in conjunction with the drawings and specific embodiments.

[0034] Such as figure 1 As shown, a concentrator and multiple remote terminals are installed within the scope of a distribution transformer, and the remote terminals transmit data to the concentrator through low-voltage power carrier communication and routing networking technology. In the figure, A, B, C, D, E, and F are data collection terminals (i.e. nodes) at remote sites, I is a remote concentrator, G is a low-voltage power line carrier communication line at a remote site, and H is a distribution transformer at a remote site.

[0035] Such as figure 2 Shown, a kind of low-voltage power carrier point-to-point data transmission method, it comprises the following steps:

[0036] Step S101, node A monitors the status of the power line carrier communication line connected to it before sending a data frame, and sends a request to the power line...

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Abstract

The invention relates to a point-to-point data transmission method of a low-voltage power line carrier. The point-to-point data transmission method of the low-voltage power line carrier comprises the steps that forwarding counts and collision marks of routing nodes on a power line carrier communication line are used, which node sends out an application earlier is judged through comparison of the forwarding frequency of the routing nodes under the condition that a plurality of nodes send the application for requesting to send data messages at the same time, and it is ensured that the data messages, requested to be sent, of the node which earlier sends the application for requesting to send the data messages can be forwarded to corners of a network so that the purpose of preventing other nodes from sending data can be achieved. The point-to-point data transmission method of the low-voltage power line carrier ensures that event data of a remote terminal can be uploaded in real time, namely, equal point-to-point communication between the remote terminal and a concentrator can be achieved.

Description

[0001] technical field [0002] The invention relates to low-voltage power line carrier communication technology, in particular to a low-voltage power carrier point-to-point data transmission method. [0003] Background technique [0004] In various industries (such as electric power, earthquake, atmospheric and water environment monitoring, etc.), it is necessary to collect data from each monitoring point regularly. Due to the wide coverage of the low-voltage power line network, as long as the power supply is obtained on site, no additional wiring is required, no other wired or wireless communication resources are occupied, and there is no communication fee, which makes this communication method play a role in reducing construction in remote data acquisition applications with small communication data traffic. Investment, reducing equipment operation and maintenance costs, etc., have been more and more widely used. [0005] At present, in the application of most power line...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/701H04L12/26H04B3/54H04B3/46
Inventor 刘志刚
Owner 深圳市阳光智电科技有限公司
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