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Dual-band power line carrier communication unit

A technology of power line carrier and communication unit, which is applied in the field of dual-band power line carrier communication unit, and can solve problems such as unavoidable co-frequency interference

Inactive Publication Date: 2016-12-07
NEWCAPEC ELECTRONICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to solve the above problems, the present invention provides a dual-band power line carrier communication unit, which effectively avoids the problem that co-frequency interference cannot be avoided during single-band data transmission

Method used

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  • Dual-band power line carrier communication unit

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Embodiment Construction

[0016] The present invention will be further described below in conjunction with the accompanying drawings.

[0017] According to attached figure 1 It can be seen that a dual-band power line carrier communication unit of the present invention includes a carrier MCU, and the carrier MCU is connected to an electric meter through a local interface;

[0018] The carrier MCU is also connected with the signal output amplifier circuit and the signal input filter circuit;

[0019] A signal coupling circuit is connected between the signal output amplifier circuit and the signal input filter circuit;

[0020] The signal coupling circuit is also connected with the power line.

[0021] The carrier MCU is also connected with the memory, the power supply module and the status indicator light.

[0022] The local interface is a serial port, and the ammeter is also configured with a serial port, and the local interface is connected with the serial port on the ammeter.

[0023] The signal i...

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PUM

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Abstract

The invention provides a dual-band power line carrier communication unit comprising a carrier MCU, wherein the carrier MCU is connected with an ammeter through a local interface; the carrier MCU is further connected with a signal output amplifying circuit and a signal input filter circuit; a signal coupling circuit is connected between the signal output amplifying circuit and the signal input filter circuit; and the signal coupling circuit is further connected with a power line. The problem that co-channel interference cannot be avoided during single band data transmission is effectively avoided.

Description

technical field [0001] The invention relates to the technical field of low-voltage power line carrier meter reading, in particular to a dual-band power line carrier communication unit. Background technique [0002] At present, in the application of power line carrier meter reading, data transmission is mainly performed on a single frequency band, such as Neusoft carrier 270K / Dingxin carrier 421K, and the problem of co-frequency interference cannot be avoided during single-band data transmission. Contents of the invention [0003] In order to solve the above problems, the present invention provides a dual-band power line carrier communication unit, which effectively avoids the problem that co-channel interference cannot be avoided during single-band data transmission. [0004] In order to overcome the deficiencies in the prior art, the present invention provides a solution for a dual-band power line carrier communication unit, specifically as follows: [0005] A dual-band ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04B3/54
CPCH04B3/542
Inventor 宋继东任家顺宋德志梁秋虹
Owner NEWCAPEC ELECTRONICS CO LTD
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