CN205490537U - Signal acquisition system based on power line carrier - Google Patents
Signal acquisition system based on power line carrier Download PDFInfo
- Publication number
- CN205490537U CN205490537U CN201620200338.6U CN201620200338U CN205490537U CN 205490537 U CN205490537 U CN 205490537U CN 201620200338 U CN201620200338 U CN 201620200338U CN 205490537 U CN205490537 U CN 205490537U
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- CN
- China
- Prior art keywords
- power line
- circuit
- protection circuit
- chip
- coupling protection
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Abstract
The utility model discloses a signal acquisition system based on power line carrier, it includes the coupling protection circuit, the coupling protection circuit is connected with the power line, and the coupling protection circuit is connected with power amplification circuit and filter circuit, and power amplification circuit and filter circuit are connected with the carrier wave chip, and the carrier wave chip is connected with communication interface, the problem of prior art adopt the low pressure power line as defects such as the noise that the communication exists are strong, line impedance is little, signal attenuation is big, lead to the communication unstable, the reliability subalternation is technological is solved.
Description
Technical field
This utility model belongs to PLC technology, particularly relates to the signal acquiring system of a kind of electrically-based carrier wave.
Background technology
Power line carrier, PLC PLC technology refers to utilize existing low-voltage network as transmission medium, realizes data transmission and a kind of technology of information exchange.Carry out communication and have two kinds of approach: a kind of is to set up new communication network, and another kind is made by already present communication network.Obviously the latter can save ample resources, utilize low-voltage network as communication transmission medium, the most then there is incomparable advantage, because electrical network has had become as largest domestic, the network that coverage rate is the highest, but the working environment of low-voltage power line is more severe, and there is the defects such as noise jamming is strong, line impedance is little, signal attenuation is big in communication on low-voltage power line, cause communication unstable, the technical problem such as poor reliability.
Utility model content
The technical problems to be solved in the utility model: the signal acquiring system of a kind of electrically-based carrier wave is provided, to solve the defects such as the noise jamming that in prior art, employing low-voltage power line exists is strong, line impedance is little, signal attenuation is big as communication, cause communication unstable, the technical problem such as poor reliability.
Technical solutions of the utility model:
A kind of signal acquiring system of electrically-based carrier wave; it includes coupling protection circuit, and described coupling protection circuit is connected with electric lines of force, and coupling protection circuit is connected with power amplification circuit and filter circuit; power amplification circuit and filter circuit are connected with carrier chip, and carrier chip is connected with communication interface.
Described communication interface is RS232 interface.
Described carrier chip is PL3201 chip, and is embedded with enhancement mode 8051 single-chip microcomputer.
The beneficial effects of the utility model:
This utility model uses coupling protection circuit to obtain communication signal; through power amplification and filter circuit, communication signal is carried out power amplification and isolation noise etc. to operate; it is then sent to carrier chip process; solve prior art and use the defects such as the noise jamming that exists as communication of low-voltage power line is strong, line impedance is little, signal attenuation is big; cause communication unstable, the technical problem such as poor reliability.
Accompanying drawing illustrates:
Fig. 1 is this utility model structural representation.
Detailed description of the invention:
A kind of signal acquiring system of electrically-based carrier wave; it includes coupling protection circuit; described coupling protection circuit is connected with power line conductor; coupling protection circuit is connected with power amplification circuit and filter circuit wire; power amplification circuit and filter circuit are connected with carrier chip wire, and carrier chip is connected with communication interface wire.
Described communication interface is RS232 interface.
Described carrier chip is PL3201 chip, and is embedded with enhancement mode 8051 single-chip microcomputer, and this utility model, in order to improve processing speed and the processing accuracy of carrier chip, is being internally embedded 8051 single-chip microcomputers of enhancement mode.
Claims (3)
1. the signal acquiring system of an electrically-based carrier wave; it includes coupling protection circuit; it is characterized in that: described coupling protection circuit is connected with electric lines of force; coupling protection circuit is connected with power amplification circuit and filter circuit; power amplification circuit and filter circuit are connected with carrier chip, and carrier chip is connected with communication interface.
The signal acquiring system of a kind of electrically-based carrier wave the most according to claim 1, it is characterised in that: described communication interface is RS232 interface.
The signal acquiring system of a kind of electrically-based carrier wave the most according to claim 1, it is characterised in that: described carrier chip is PL3201 chip, and is embedded with enhancement mode 8051 single-chip microcomputer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620200338.6U CN205490537U (en) | 2016-03-16 | 2016-03-16 | Signal acquisition system based on power line carrier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620200338.6U CN205490537U (en) | 2016-03-16 | 2016-03-16 | Signal acquisition system based on power line carrier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205490537U true CN205490537U (en) | 2016-08-17 |
Family
ID=56653118
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620200338.6U Expired - Fee Related CN205490537U (en) | 2016-03-16 | 2016-03-16 | Signal acquisition system based on power line carrier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205490537U (en) |
-
2016
- 2016-03-16 CN CN201620200338.6U patent/CN205490537U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160817 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |