CN207283547U - A kind of carrier communication apparatus for three-phase power line communication - Google Patents
A kind of carrier communication apparatus for three-phase power line communication Download PDFInfo
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- CN207283547U CN207283547U CN201721154462.4U CN201721154462U CN207283547U CN 207283547 U CN207283547 U CN 207283547U CN 201721154462 U CN201721154462 U CN 201721154462U CN 207283547 U CN207283547 U CN 207283547U
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- carrier
- power line
- phase power
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Abstract
A kind of carrier communication apparatus for three-phase power line communication is the utility model is related to, includes carrier Control chip, it is characterised in that：Further include the telecommunication circuit respectively with each corresponding connection of three-phase power line, carrier Control chip is connected with each telecommunication circuit respectively, each telecommunication circuit includes carrier chip, power carrier sends component, power carrier receiving part, coupling isolator and safety capacitance, carrier Control chip is connected with each carrier chip respectively, each carrier chip sends the input terminal of component with corresponding power carrier respectively, the output terminal connection of power carrier receiving part, power carrier send component output terminal be connected with the input terminal of power carrier receiving part after successively with coupling isolator, safety capacitance is connected, each corresponding connection with three-phase power line respectively of each safety capacitance.It can so realize being completely independent for each telecommunication circuit, so as to improve the quality and signal-to-noise ratio of signal, improve communication efficiency.
Description
Technical field
It the utility model is related to field of power line communication, and in particular to a kind of carrier communication for three-phase power line communication
Device.
Background technology
Power line communication is a kind of communication mode using power line transmission data and media signal, is carried out using power line
The environment of communication is gradually ripe, and for communicating in three-phase power line, signal of communication can be injected in three phases of power line,
Communicated by three-phase power line and copy and accept ammeter data to realize.
At present, conventional three-phase G3 carrier communication apparatus is the transmitting-receiving that power line three-phase is realized using single-chip, such as patent
Number be CN201220557923.3 (Authorization Notice No. CN202931317U) Chinese utility model patent《A kind of single-chip is real
The carrier communication apparatus of existing three-phase power line communication》, which includes power carrier control chip, the electric power
Power carrier transmission circuit is sequentially connected with carrier Control chip, is used for realization the relay jump of three tunnel of three-phase power line switching
Revolving die block, and the termination power module for being coupled with three-phase power line.Although the carrier communication apparatus can realize three-phase
The communication of power line, but due to using single-chip, it is necessary to which the carrier signal in three-phase power line is merged into when receiving signal
All the way, at this time, noise signal can be introduced in three-phase power line, cause signal-to-noise ratio to reduce, and anti-noise ability is weak, influence to receive
The sensitivity of signal, communication reliability are poor；When needing to send signal, carrier signal can be led to by three-phase power line attenuation, carrier wave
Believe that efficiency is low, and can not accomplish independent communication in three-phase power line.
Therefore, it is necessary to the existing carrier communication apparatus for three-phase power line communication is improved further.
Utility model content
Technical problem to be solved in the utility model is the present situation for the prior art, there is provided a kind of anti-noise ability it is strong and
The high carrier communication apparatus for being used for three-phase power line communication of communication efficiency.
Technical solution is used by the utility model solves above-mentioned technical problem：It is a kind of to be used for what three-phase power line communicated
Carrier communication apparatus, includes carrier Control chip, it is characterised in that：Further include and each corresponding connection of three-phase power line
Telecommunication circuit, carrier Control chip are connected with each telecommunication circuit respectively, and each telecommunication circuit includes carrier chip, electric power carries
Ripple sends component, power carrier receiving part, coupling isolator and safety capacitance, carrier Control chip respectively with it is corresponding each
Carrier chip is connected, and each carrier chip sends the input terminal of component with the corresponding power carrier respectively, electric power carries
The output terminal connection of ripple receiving part, the output terminal that power carrier sends component are connected with the input terminal of power carrier receiving part
It is connected successively with coupling isolator, safety capacitance after connecing, each corresponding connection with three-phase power line respectively of each safety capacitance.
Preferably, it is amplifirer, the signal input part of the amplifirer and corresponding load that the power carrier, which sends component,
Ripple chip is connected, and signal output part is connected with corresponding coupling isolator.In such manner, it is possible to the modulated signal to carrier chip
Carry out power amplification, the accuracy of increase communications band transmission.
Preferably, the power carrier receiving part is wave filter, the signal input part of the wave filter and corresponding coupling
Close isolator to be connected, signal output part is connected with corresponding carrier chip.In such manner, it is possible to preferably lead to for filtering out carrier wave
Believe the noise signal outside frequency range, improve signal-to-noise ratio, improve anti-noise ability.
Further preferably, the coupling isolator is connected close to one end of safety capacitance with the zero curve of the three-phase power line
Connect.
Preferably, the data interface module for being communicated with terminal device is also associated with the carrier Control chip.This
Sample, more convenient transmission to data.
In order to preferably show the connected state of each phase of three-phase power line, it is preferable that connected on the carrier Control chip
Having can show that three-phase power line is respectively connected the indicator light of state.So more it is visually known the company of each phase of three-phase power line
Logical state.
Further preferably, the indicator light shows that the color for the state that is respectively connected is different.
Compared with prior art, the utility model has the advantage of：This is used for the carrier communication dress of three-phase power line communication
The telecommunication circuit for each corresponding connection of carrier Control chip controls three-phase power line put, can so realize each telecommunication circuit
It is completely independent, i.e. signal in each phase line of three-phase power line and noise can only transmit in corresponding phase line, in other phase lines
Signal and noise do not affect the communication of the telecommunication circuit, improve the quality of signal, improve signal-to-noise ratio and anti-noise ability,
Meanwhile improve communication efficiency.
Brief description of the drawings
Fig. 1 is the structure diagram of the utility model embodiment.
Embodiment
The utility model is described in further detail below in conjunction with attached drawing embodiment.
As shown in Figure 1, the preferred reality of the carrier communication apparatus for being used for three-phase power line communication of the utility model embodiment
Apply example.Three-phase power line includes A phases power line, B phases power line, C phases power line and zero curve, this is used for three-phase power line communication
Carrier communication apparatus includes carrier Control chip 1 and the telecommunication circuit with each corresponding connection of three-phase power line, carrier Control
Chip 1 is connected with each telecommunication circuit respectively, and each telecommunication circuit includes carrier chip 2, power carrier sends component 3, electricity
Power carrier wave receiving part 4, coupling isolator 5 and safety capacitance 6, carrier Control chip 1 are connected with each carrier chip 2 respectively
Connect, each carrier chip 2 sends the input terminal of component 3, the output terminal of power carrier receiving part 4 with corresponding power carrier respectively
Connection, power carrier send component 3 output terminal be connected with the input terminal of power carrier receiving part 4 after successively with couple every
It is connected from device 5, safety capacitance 6, the connection corresponding with the A phases, B phases and C of three-phase power line respectively of each safety capacitance 6, coupling
Isolator 5 is closed close to one end of safety capacitance 6 with the zero curve of three-phase power line to be connected.
In order to carry out power amplification to the modulated signal of carrier chip, in the present embodiment, it is work(that power carrier, which sends component 3,
Device is put, the signal input part of amplifirer is connected with corresponding carrier chip 2, signal output part and corresponding coupling isolator 5
It is connected.
In order to preferably be used to filter out noise signal outside carrier communication frequency range, in the present embodiment, power carrier receiving division
Part 4 is wave filter, and the signal input part of the wave filter is connected with corresponding coupling isolator 5, signal output part with it is corresponding
Carrier chip 2 be connected；In this way, improving signal-to-noise ratio, anti-noise ability is improved.
In order to facilitate the transmission of signal, in the present embodiment, it is also associated with being used to lead to terminal device on carrier Control chip 1
The data interface module of news.
In order to preferably show the connected state of each phase of three-phase power line, being connected with carrier Control chip 1 to show
Three-phase power line is respectively connected the indicator light of state, and indicator light shows that the color for the state that is respectively connected is different.That is, indicator light is shown
A phases, the B phases of three-phase power line be connected with C state color it is different.
When terminal device is signal receiver, three-phase power line A phases, B phases and signal in C phases and noise only can be right
Transmitted in the phase line answered, pass through corresponding safety capacitance 6, coupling isolator 5 and filter transfer to corresponding carrier chip 2
Interior, signal and noise in other phase lines do not affect the signal of the telecommunication circuit, improve the quality of signal；When the terminal
When equipment is as apparatus for transmitting signal, the transmission of signal also only carries out in corresponding phase line, will not be subject to other phase lines
Influence, can realize being completely independent for each telecommunication circuit, improve communication efficiency.
Above description is merely a prefered embodiment of the utility model, it is noted that for those of ordinary skill in the art
For, under the premise of the principle of the utility model is not departed from, a variety of remodeling or improvement can be carried out to the utility model, these are equal
It is considered as within the scope of protection of the utility model.
Claims (7)
1. a kind of carrier communication apparatus for three-phase power line communication, includes carrier Control chip (1), it is characterised in that：
The telecommunication circuit respectively with each corresponding connection of three-phase power line is further included, the carrier Control chip (1) is led to each respectively
Letter circuit is connected, and each telecommunication circuit includes carrier chip (2), power carrier sends component (3), power carrier connects
Receive component (4), coupling isolator (5) and safety capacitance (6), the carrier Control chip (1) respectively with each carrier chip (2)
It is connected, each carrier chip (2) sends input terminal, the power carrier of component (3) with the corresponding power carrier respectively
The output terminal connection of receiving part (4), the power carrier send the output terminal of component (3) and the power carrier receiving part
(4) input terminal is connected with coupling isolator (5), safety capacitance (6) successively after being connected, each safety capacitance (6) point
Not with each corresponding connection of three-phase power line.
2. the carrier communication apparatus according to claim 1 for three-phase power line communication, it is characterised in that：The electric power
It is amplifirer that carrier wave, which sends component (3), and the signal input part of the amplifirer is connected with corresponding carrier chip (2), signal
Output terminal is connected with corresponding coupling isolator (5).
3. the carrier communication apparatus according to claim 1 for three-phase power line communication, it is characterised in that：The electric power
Carrier wave receiving part (4) is wave filter, and the signal input part of the wave filter is connected with corresponding coupling isolator (5), letter
Number output terminal is connected with corresponding carrier chip (2).
4. the carrier communication apparatus according to claim 1 for three-phase power line communication, it is characterised in that：The coupling
Isolator (5) is connected close to one end of safety capacitance (6) with the zero curve of the three-phase power line.
5. the carrier communication apparatus according to claim 1 for three-phase power line communication, it is characterised in that：The carrier wave
The data interface module for being communicated with terminal device is also associated with control chip (1).
6. the carrier communication apparatus according to claim 1 for three-phase power line communication, it is characterised in that：The carrier wave
Being connected with control chip (1) can show that three-phase power line is respectively connected the indicator light of state.
7. the carrier communication apparatus according to claim 6 for three-phase power line communication, it is characterised in that：The instruction
Lamp shows that the color for the state that is respectively connected is different.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721154462.4U CN207283547U (en) | 2017-09-11 | 2017-09-11 | A kind of carrier communication apparatus for three-phase power line communication |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721154462.4U CN207283547U (en) | 2017-09-11 | 2017-09-11 | A kind of carrier communication apparatus for three-phase power line communication |
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| Publication Number | Publication Date |
|---|---|
| CN207283547U true CN207283547U (en) | 2018-04-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721154462.4U Active CN207283547U (en) | 2017-09-11 | 2017-09-11 | A kind of carrier communication apparatus for three-phase power line communication |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109309515A (en) * | 2018-10-26 | 2019-02-05 | 珠海市晶宸科技有限公司 | A kind of three frequency range power carrier signal sensors |
-
2017
- 2017-09-11 CN CN201721154462.4U patent/CN207283547U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109309515A (en) * | 2018-10-26 | 2019-02-05 | 珠海市晶宸科技有限公司 | A kind of three frequency range power carrier signal sensors |
| CN109309515B (en) * | 2018-10-26 | 2024-04-02 | 珠海市晶宸科技有限公司 | Three-frequency-band power carrier signal sensor |
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