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2Mbps based low voltage power line high speed data communication system and network adaptor thereof

A low-voltage power line and network adapter technology, which is applied in the direction of distribution line transmission system, line transmission parts, etc., can solve the problems of hindering application, complex structure, high cost, etc., and achieve the effect of saving manpower and material resources

Inactive Publication Date: 2004-12-29
CHINA ELECTRIC POWER RES INST
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  • Summary
  • Abstract
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  • Claims
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AI Technical Summary

Problems solved by technology

However, in the prior art, the transmission rate of the access equipment through the low-voltage power line is low (several thousand bps), and the existing access equipment capable of reaching megabit bps has a complex structure and high cost, which hinders its wide application

Method used

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  • 2Mbps based low voltage power line high speed data communication system and network adaptor thereof
  • 2Mbps based low voltage power line high speed data communication system and network adaptor thereof
  • 2Mbps based low voltage power line high speed data communication system and network adaptor thereof

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Embodiment Construction

[0023] figure 1 It is a structural diagram of a low-voltage power line network adapter according to the present invention. The low-voltage power line network adapter includes: a power line network controller, used to control and process the data sent and received, and provide an interface to peripheral devices; and a power line data access queue (PDAA, Powerline Data Access Arrangement), used to Data receiving and sending, in the sending direction, the power line data access queue filters and drives the sent data, in the receiving direction, the power line data access queue divides the received signal into multiple carriers, and connects them with multiple local generated The oscillating signal is mixed to generate multiple signals which are sent to the power line network controller.

[0024] The low voltage power line network adapter also includes a line coupling device (not shown) for isolating the high voltage on the power line.

[0025] The power line network controller ...

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Abstract

A low-tension network adapter comprises, a power line network control equipment for conducting control and treatment for transmitted and received data, and for providing interface of peripheral interfaces, a power line data switch-in queue for data reception and transmitting, at the transmitting direction, the power line data switch-in queue performs filtering and driving for transmitted data, at the reception direction, the power line data switch-in queue divides the received signal into multipath carrier wave.

Description

technical field [0001] The invention generally relates to a low-voltage power line network adapter and a system for realizing data communication on a low-voltage distribution network, and particularly relates to a power line high-speed network adapter and a low-voltage power line high-speed data communication system. Background technique [0002] Power line communication technology refers to a communication method that uses power lines to transmit data and voice signals. It has been used by power companies as a communication method for many years. Low rate (300~600bps) telecontrol data or voice. With the rise of domestic urban and rural distribution network transformation and construction, many manufacturers have begun to develop distribution carrier machines for medium-voltage distribution network communication, and the data transmission rate only reaches 1200bps. In the field of low voltage (220V), PLC (power line communication) technology is mainly used for load control,...

Claims

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Application Information

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IPC IPC(8): H04B3/02H04B3/54
Inventor 王丽平赵丙镇李祥珍沈志民刘家亮李建岐
Owner CHINA ELECTRIC POWER RES INST
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