CN106788607A - A kind of concentrator communication module based on power wire broadband carrier - Google Patents
A kind of concentrator communication module based on power wire broadband carrier Download PDFInfo
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- CN106788607A CN106788607A CN201710168438.4A CN201710168438A CN106788607A CN 106788607 A CN106788607 A CN 106788607A CN 201710168438 A CN201710168438 A CN 201710168438A CN 106788607 A CN106788607 A CN 106788607A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/54—Systems for transmission via power distribution lines
- H04B3/542—Systems for transmission via power distribution lines the information being in digital form
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Abstract
The invention discloses a kind of concentrator communication module based on power wire broadband carrier,Including three phase carrier signal termination power,Transmission circuit during three-phase separate,Power carrier filter circuit,Send amplifying circuit,Zero cross detection circuit,Power carrier processor,GPRS communication modules and routing circuit,Three phase carrier signal termination power collection terminal connects power line,Three phase carrier signal termination power passes through transmission circuit during three-phase separate,Power carrier filter circuit is connected with power carrier processor,The input of zero cross detection circuit respectively with power line,Three phase carrier signal termination power is connected,The output end of zero cross detection circuit is connected with power carrier processor,Transmission circuit is connected when the transmitting terminal of power carrier processor is by sending amplifying circuit with three-phase separate,GPRS communication modules,Routing circuit is connected with power carrier processor communication respectively,The present invention can realize carrying out group-net communication transmission over long distances,Networking mechanism is ageing strong,The time of networking is fast.
Description
Technical field
The present invention relates to power-line carrier communication field, more particularly to a kind of concentration based on power wire broadband carrier
Device communication module.
Background technology
Electric line carrier communication (Power Line Communication, PLC), is that one kind carries out data biography by electric wire
The defeated communication technology, in other words, PLC is the Transfer Medium by the use of existing power network as signal, makes power network in transmission electric power
Data communication can be carried out simultaneously.This mode can effectively be monitored and controlled power equipment in power network, instrument and family expenses
Electrical equipment.Meanwhile, power line carrier technology plug and play substantially increases production, work and life efficiency, largely saves
About cable wiring manufacture cost.At present, power line carrier technology increasingly dominates power system (power information acquisition system) and civilian
The communication modes of life (smart home).According to carrier frequency, carriers rate, multi-carrier modulation scheme difference, part in industry
It is arrowband and the big camp of power communication of broadband two.
In recent years, with the propulsion that State Grid Corporation of China's intelligent grid is built, power information acquisition system is progressively complete
Kind, the electric terminal of people increasingly tends to intelligent, realizes that intelligent meter data recording, telecommunication and remote control become original heavier
Will.Existing intelligent electric energy meter Automatic meter reading system, 485 wirings, arrowband electricity are mostly taken from electric energy meter, collector to concentrator
The communication mode such as line of force carrier wave or Zigbee, 475MHz small wireless, such communication mode has that distance is shorter, transmission interference is big,
Speed of checking meter is slow, check meter state labile the problems such as, beaten greatly using the reliability and data transfer real-time of the data of electric terminals
Discount.However, power line original intention is to carry out electric energy transmission, and rather than the transmission of data, for data communication, its letter
Road is undesirable, is a highly unstable transmission channel, and this is embodied in, and noise jamming is serious, time variation big and signal
The shortcomings of decaying serious, and the broadband power line communication BPLC (BPLC for using at present：BroadPower Line Carrier)
Can there is problems with actual application：BPLC signals are significantly attenuated, short, transmission stability is poor to communicate communication distance, receive
It is very poor to communication quality during severe jamming, or even cannot connect.
The content of the invention
It is an object of the invention to provide a kind of concentrator communication module based on power wire broadband carrier, according to the present invention
The long range that can realize of bandwidth carrier communicator and carry out group-net communication transmission, networking mechanism is ageing strong, networking
Time is fast, high with traffic rate, and to achieve these goals, the present invention uses following technique effect：
According to the one side that this hair is invented, there is provided a kind of concentrator communication module based on power wire broadband carrier,
Transmission circuit, power carrier filter circuit, transmission amplifying circuit, zero passage during including three phase carrier signal termination power, three-phase separate
Detection circuit, power carrier processor, GPRS communication modules, routing circuit and power circuit, the three phase carrier signal coupling
Circuit collection terminal connects power line, and the sending and receiving end of the three phase carrier signal termination power passes through transmission circuit, electricity during three-phase separate
Power carrier wave filter circuit is connected with the power carrier processor, the input of the zero cross detection circuit respectively with power line,
Three phase carrier signal termination power is connected, and the output end of the zero cross detection circuit is connected with power carrier processor, and electric power is carried
Transmission circuit is connected when the transmitting terminal of ripple processor is by sending amplifying circuit with the three-phase separate, the GPRS communication modules,
Routing circuit is connected with the power carrier processor communication respectively, the power circuit respectively with three-phase separate when transmission circuit,
Power carrier filter circuit, transmission amplifying circuit, zero cross detection circuit, power carrier processor, GPRS communication modules, route electricity
Road connects.
Preferably, the three phase carrier signal termination power is coupled by A phase carrier signals termination power, B phases carrier signal
Circuit and C phase carrier signals termination power are constituted, and transmission circuit is received by A phase timesharing transmission circuit, the timesharing of B phases during the three-phase separate
Power Generation Road and C phase timesharing transmission circuit are constituted, wherein, the A phases for gathering input and power line of A phase carrier signal termination powers
Power line is connected, and the collection input of B phase carrier signal termination powers is connected with the B phase power lines of power line, C phase carrier signals
The collection input of termination power is connected with the A phase power lines of power line；The sending and receiving end of the A phases carrier signal termination power with
The sending and receiving end connection of the A phases timesharing transmission circuit, sending and receiving end and the B phases timesharing of the B phases carrier signal termination power
The sending and receiving end connection of transmission circuit, the receipts of the sending and receiving end of the C phases carrier signal termination power and the C phases timesharing transmission circuit
Originator connection, the reception output end of the A phases timesharing transmission circuit, the reception output end of B phase timesharing transmission circuits, C phase timesharing
The reception output end of transmission circuit passes through the filtering output end of power carrier filter circuit and connecing for the power carrier processor
Receive input connection；The transmission output end of the power carrier processor connects with the transmission input of the transmission amplifying circuit
Connect, send the transmissions output end transmission input respectively with the A phases timesharing transmission circuit of amplifying circuit, the timesharing of B phases and receive and dispatch
The transmission input connection for sending input and C phase timesharing transmission circuits of circuit；The collection input of the zero cross detection circuit
Hold and be connected with the A phases of power line, B phases or C phase power lines, the collection output end of the zero cross detection circuit respectively with A phase carrier waves
The couple input of signal coupling circuit, the couple input of B phase carrier signal termination powers, C phase carrier signal termination powers
Couple input connection.
Preferably, the A phases carrier signal termination power includes resistance R1, resistance R2, electric capacity C1 and coupling transformer T1,
B phase carrier signals termination power includes resistance R3, resistance R4, electric capacity C2 and coupling transformer T2, C phase carrier signal termination power
Including resistance R5, resistance R6, electric capacity C3 and coupling transformer T3, the zero cross detection circuit includes photoelectrical coupler U1, resistance
R7, resistance R8, resistance R9, electric capacity C4, inductance C5, inductance L1 and diode D1；
One end of the resistance R1, one end of resistance R2, the 5th pin of coupling transformer T1 connect with A phases power line respectively
Connect, the other end of resistance R1 is connected with one end of electric capacity C1, the other end connection of electric capacity C1 is connected with the other end of resistance R2, institute
One end of resistance R3, one end of resistance R4, the 5th pin of coupling transformer T2 is stated to be connected with B phase power lines respectively, resistance R3's
The other end is connected with one end of electric capacity C2, and the other end connection of electric capacity C2 is connected with the other end of resistance R4, the resistance R5's
One end, one end of resistance R6, the 5th pin of coupling transformer T3 are connected with C phase power lines respectively, the other end and the electricity of resistance R5
Hold one end connection of C3, the other end connection of electric capacity C3 is connected with the other end of resistance R6；The anode of the photoelectrical coupler U1
Negative electrode with the diode D1 is connected, and the negative electrode of the diode D1 is connected with one end of the resistance R7, resistance R7's
The other end is connected with A phases, B phases or C phase power lines, and the negative electrode of the photoelectrical coupler U1 is respectively with the coupling transformer T1's
6th pin, the 6th pin of coupling transformer T2, the 6th pin connection of coupling transformer T3, the colelctor electrode of the photoelectrical coupler U1
One end, one end of resistance R9 with resistance R8 are connected, the other end of the resistance 8 one end respectively with electric capacity C4, inductance L1
One end connects, and the other end of inductance L1 is connected with the power circuit, the other end of the resistance R9 respectively with the electric capacity C5
One end, the zero passage detection end connection of power carrier processor, the emitter stage of the photoelectrical coupler U1, electric capacity C4 it is another
End, the other end of electric capacity C5 are all connected to ground；First pin of the coupling transformer T1 is with the A phases timesharing transmission circuit just
Pole receives input connection, and the 4th pin of the coupling transformer T1 receives input with the negative pole of the A phases timesharing transmission circuit
End connection, the crus secunda of the coupling transformer T1 sends output end and is connected with the positive pole of the A phases timesharing transmission circuit, described
3rd pin of coupling transformer T1 sends output end and is connected with the negative pole of the A phases timesharing transmission circuit；The coupling transformer
First pin of T2 receives input and is connected with the positive pole of the B phases timesharing transmission circuit, the 4th pin of the coupling transformer T2
Input is received with the negative pole of the B phases timesharing transmission circuit to be connected, the crus secunda of the coupling transformer T2 and the B phases are divided
When transmission circuit positive pole send output end connection, the 3rd pin of the coupling transformer T2 and the B phases timesharing transmission circuit
Negative pole send output end connection；First pin of the coupling transformer T3 is received with the positive pole of the C phases timesharing transmission circuit
Input is connected, and the 4th pin of the coupling transformer T3 receives input and is connected with the negative pole of the A phases timesharing transmission circuit,
The crus secunda of the coupling transformer T3 sends output end and is connected with the positive pole of the C phases timesharing transmission circuit, and the coupling becomes
3rd pin of depressor T3 sends output end and is connected with the negative pole of the C phases timesharing transmission circuit；The A phases timesharing transmission circuit
Positive pole receives output end, the positive pole of B phase timesharing transmission circuits receives output end, the positive pole of C phase timesharing transmission circuits receives output
The electrode input end respectively with the power carrier filter circuit is held to be connected, the negative pole of the A phases timesharing transmission circuit receives defeated
Go out end, the negative pole of B phase timesharing transmission circuits receives output end, the negative pole of C phase timesharing transmission circuits receives output end and the electricity
The negative input connection of power carrier wave filter circuit, cathode output end and the power carrier of the power carrier filter circuit
The positive pole of processor receives input connection；The cathode output end of the power carrier filter circuit is processed with the power carrier
The negative pole of device receives input connection；
The positive pole of the power carrier processor sends output end and sends input with the positive pole of the transmission amplifying circuit
Connection, the negative pole of the power carrier processor sends output end and sends input company with the negative pole of the transmission amplifying circuit
Connect, the negative pole for sending amplifying circuit send output end sent with the negative pole of the A phases timesharing transmission circuit respectively input,
The negative pole of B phase timesharing transmission circuits sends input, the negative pole of C phase timesharing transmission circuits sends input connection, the transmission
The positive pole of amplifying circuit 4 sends output end and sends input, B phases timesharing receipts with the positive pole of the A phases timesharing transmission circuit respectively
The positive pole of Power Generation Road sends input, the positive pole of C phase timesharing transmission circuits sends input connection, the transmission amplifying circuit
Positive pole sends output end and sends the positive pole of input, B phase timesharing transmission circuits with the positive pole of the A phases timesharing transmission circuit respectively
Send input, the positive pole of C phase timesharing transmission circuits sends input connection；The positive pole of the A phases timesharing transmission circuit sends
Output end is connected with the crus secunda of the coupling transformer T1, and the negative pole of the A phases timesharing transmission circuit sends output end and institute
State the 3rd pin connection of coupling transformer T1；The positive pole of the B phases timesharing transmission circuit sends output end and couples transformation with described
The crus secunda connection of device T2, the negative pole of the B phases timesharing transmission circuit sends output end and the 3rd of the coupling transformer T2
Pin is connected；The positive pole of the C phases timesharing transmission circuit sends output end and is connected with the crus secunda of the coupling transformer T3, described
The negative pole of C phase timesharing transmission circuits sends output end and is connected with the 3rd pin of the coupling transformer T3.
Such scheme is it is further preferred that the power carrier filter circuit includes resistance R300, electric capacity C300, electric capacity
C301, electric capacity C302, electric capacity C303, electric capacity C304, electric capacity C305, inductance L300, inductance L301, inductance L302, inductance L303,
Diode D300, diode D301, diode D302 and diode D303；The positive pole of the A phases timesharing transmission circuit receives defeated
Go out end, B phase timesharing transmission circuits positive pole receive output end, C phase timesharing transmission circuits positive pole receive output end respectively with institute
State one end, one end of electric capacity C301, one end connection of inductance L300 of electric capacity C300；The negative pole of the A phases timesharing transmission circuit
Receive output end, the negative pole of B phase timesharing transmission circuits receives output end, the negative pole of C phase timesharing transmission circuits receives output end point
The other end, one end of electric capacity C302, the other end of inductance L300 not with the electric capacity C301 are connected, and the electric capacity C302's is another
One end is connected with one end of the inductance L302, and the other end of the electric capacity C300 is connected with one end of the inductance L301, institute
State the other end of inductance L302 one end, one end of electric capacity C305, one end of inductance L303, two poles respectively with the electric capacity C303
The negative electrode connection of the anode, diode D303 of pipe D302, the other end of the inductance L301 is another with the electric capacity C303 respectively
One end, one end of electric capacity C304, the other end of inductance L303, the anode of diode D300, the negative electrode connection of diode D301, institute
State the anode of diode D301, the anode of diode D303 to be connected to ground respectively, negative electrode, the diode of the diode D300
The negative electrode of D302 is connected with power circuit respectively, and the other end of the electric capacity C305 connects with the positive pole of the power carrier processor
Receive input connection；The other end of the electric capacity C304 receives input and is connected with the negative pole of the power carrier processor.
Preferably, the chip model of the power carrier processor is HM7901.
It is described to send the amplification chip model THS6214 that amplifying circuit is used.
Preferably, the routing circuit uses PH163539 networkings routing circuit.
Present invention employs above-mentioned technical proposal, the present invention has following technique effect：
Signal in power network is changed into a high performance data transmission network by the present invention, and the data in power line are adopted
The broadband carrier signal transmission that is filtered and exports 2MHz~20MHz is transmitted to multistage filter circuit with the mode of time-sharing multiplex
It is modulated and demodulates into bandwidth carrier chip, be then amplified broadband carrier signal, then the mode of time-sharing multiplex
The carrierband signal of 2MHz~20MHz is coupled to realized on power line carry out group-net communication transmission over long distances, can be with
Power carrier, GPRS long-distance radio communications and Ethernet networking communication are carried out simultaneously, and networking mechanism is ageing strong, networking
Time is fast, has the advantages that traffic rate is high, communication performance is good, circuit structure is simple, implementation cost is low, can effectively resist
Multipath is disturbed so that the signal of interference can be received reliably, even if in the case where power network is heavily disturbed, can also carry
For high bandwidth and ensure bandwidth for transmission efficiency, so that the high speed reliable communication of data, the broadband over power line for realizing is carried
The remote and high rate data transmission of ripple.
Brief description of the drawings
Fig. 1 is a kind of concentrator communication module based on power wire broadband carrier of the present invention；
Fig. 2 is the fundamental diagram of three phase carrier signal termination power of the present invention and zero cross detection circuit；
Fig. 3 is the cut-away view of power carrier processor of the present invention；
Fig. 4 is the encapsulation figure of power carrier processor of the present invention；
Fig. 5 is A phases timesharing transmission circuit of the present invention and three phase carrier signal termination power, the company of power carrier filter circuit
Connect schematic diagram；
Fig. 6 is B phases timesharing transmission circuit of the present invention and three phase carrier signal termination power, the company of power carrier filter circuit
Connect schematic diagram；
Fig. 7 is C phases timesharing transmission circuit of the present invention and three phase carrier signal termination power, the company of power carrier filter circuit
Connect schematic diagram；
Fig. 8 is the fundamental diagram that the present invention sends amplifying circuit；
In accompanying drawing, 1- three phase carrier signal termination powers, transmission circuit during 2- three-phase separates, 3- power carrier filter circuits,
4- sends amplifying circuit, 5- zero cross detection circuits, 6- power carrier processors, 7-GPRS communication modules, 8- routing circuits, 9- intelligence
Can table, 8- power circuits, 10-A phase carrier signal termination powers, 11-B phase carrier signal termination powers, 12-C phase carrier signals
Termination power, 20-A phase timesharing transmission circuits, 21-B phase timesharing transmission circuits, 22-C phase timesharing transmission circuits.
Specific embodiment
To make the objects, technical solutions and advantages of the present invention become more apparent, referring to the drawings and preferred reality is enumerated
Example is applied, the present invention is described in more detail.However, it is necessary to explanation, many details listed in specification are only to be
The reader is set to have a thorough explanation to one or more aspects of the invention, can also even without these specific details
Realize the aspects of the invention.
As shown in figure 1, a kind of concentrator communication module based on power wire broadband carrier of the invention, including three-phase
Transmission circuit 2, power carrier filter circuit 3, transmission amplifying circuit 4, zero passage detection during carrier signal termination power 1, three-phase separate
Circuit 5, power carrier processor 6, GPRS communication modules 7, routing circuit 8 and power circuit 100, the three phase carrier signal coupling
The collection terminal of circuit 1 connection power line is closed, the sending and receiving end of the three phase carrier signal termination power 1 passes through transmission circuit during three-phase separate
2nd, power carrier filter circuit 3 is connected with the power carrier processor 6, the input of the zero cross detection circuit 5 respectively with
Power line, three phase carrier signal termination power 1 are connected, and output end and the power carrier processor 6 of the zero cross detection circuit 5 connect
Connect, transmission circuit 2 is connected when the transmitting terminal of power carrier processor 6 is by sending amplifying circuit 4 with the three-phase separate, described
GPRS communication modules 7, routing circuit 8 are communicated to connect with the power carrier processor 6 respectively, and intelligent meter 9 passes through routing circuit 8
Be communicatively coupled, the power circuit 100 respectively with three-phase separate when transmission circuit 2, power carrier filter circuit 3, transmission put
Big circuit 4, zero cross detection circuit 5, power carrier processor 6, GPRS communication modules 7, routing circuit 8 are connected.As shown in figure 1,
In the present invention, the three phase carrier signal termination power 1 couples electricity by A phase carrier signals termination power 10, B phases carrier signal
Road 11 and C phase carrier signals termination power 12 are constituted, and transmission circuit 2 is by A phase timesharing transmission circuit 20, B phases during the three-phase separate
Timesharing transmission circuit 21 and C phase timesharing transmission circuit 22 are constituted, wherein, the collection input of A phase carrier signals termination power 10
It is connected with the A phase power lines of power line, the B phase power lines for gathering input and power line of B phase carrier signals termination power 11
Connection, the collection input of C phase carrier signals termination power 11 is connected with the A phase power lines of power line；The A phases carrier signal
The sending and receiving end of termination power 10 is connected with the sending and receiving end of the A phases timesharing transmission circuit 20, the B phases carrier signal termination power
11 sending and receiving end is connected with the sending and receiving end of the B phases timesharing transmission circuit 21, the transmitting-receiving of the C phases carrier signal termination power 12
End is connected with the sending and receiving end of the C phases timesharing transmission circuit 22, the reception output end of the A phases timesharing transmission circuit 20, B phases point
When the reception output end of transmission circuit 21, the reception output end of C phase timesharing transmission circuit 22 is by power carrier filter circuit 3
Filtering output end is connected with the reception input of the power carrier processor 6；The transmission output of the power carrier processor 6
Hold with it is described transmission amplifying circuit 4 transmission input be connected, transmission amplifying circuit 4 transmission output end respectively with the A phases
The send input, B phase timesharing transmission circuit 21 of timesharing transmission circuit 20 send input and C phase timesharing transmission circuit 22
Send input connection；The collection input of the zero cross detection circuit 5 is connected with the A phases of power line, B phases or C phase power lines,
The collection output end of the zero cross detection circuit 5 couple input, B phase carrier waves respectively with A phase carrier signals termination power 10
The couple input of signal coupling circuit 11, the connection of the couple input of C phase carrier signals termination power 12, the routing circuit
Using PH163539 networkings routing circuit.
In the present invention, with reference to shown in Fig. 1 and Fig. 2, the A phases carrier signal termination power 10 includes resistance R1, resistance
R2, electric capacity C1 and coupling transformer T1, B phase carrier signal termination power 11 include that resistance R3, resistance R4, electric capacity C2 and coupling become
Depressor T2, C phase carrier signal termination power 12 includes resistance R5, resistance R6, electric capacity C3 and coupling transformer T3, the zero passage inspection
Slowdown monitoring circuit 5 includes photoelectrical coupler U1, resistance R7, resistance R8, resistance R9, electric capacity C4, inductance C5, inductance L1 and diode D1；
One end of the resistance R1, one end of resistance R2, the 5th pin of coupling transformer T1 are connected with A phase power lines respectively, resistance R1
The other end be connected with one end of electric capacity C1, the connection of the other end of electric capacity C1 is connected with the other end of resistance R2, the resistance R3
One end, one end of resistance R4, the 5th pin of coupling transformer T2 be connected with B phase power lines respectively, the other end of resistance R3 with
One end connection of electric capacity C2, the other end connection of electric capacity C2 is connected with the other end of resistance R4, one end, the resistance of the resistance R5
One end of R6, the 5th pin of coupling transformer T3 are connected with C phase power lines respectively, the other end of resistance R5 and one end of electric capacity C3
Connection, the other end connection of electric capacity C3 is connected with the other end of resistance R6, in the present invention, the resistance R1 on A phase power lines
Discharge process is carried out for discharge resistance and to electric capacity C1 with resistance R2, the resistance R3 on B phase power lines and resistance R4 is electric discharge electricity
Hinder and discharge process is carried out to electric capacity C2, the resistance R5 and resistance R6 on C phase power lines is discharge resistance and electric capacity C3 is carried out
Discharge process, to reduce the low alternating component on every phase power line to the interference to signal.The anode of the photoelectrical coupler U1
Negative electrode with the diode D1 is connected, and the negative electrode of the diode D1 is connected with one end of the resistance R7, resistance R7's
The other end is connected with A phases, B phases or C phase power lines, and the negative electrode of the photoelectrical coupler U1 is respectively with the coupling transformer T1's
6th pin, the 6th pin of coupling transformer T2, the 6th pin connection of coupling transformer T3, the colelctor electrode of the photoelectrical coupler U1
One end, one end of resistance R9 with resistance R8 are connected, the other end of the resistance 8 one end respectively with electric capacity C4, inductance L1
One end connects, and the other end of inductance L1 is connected with the power circuit 100, the other end of the resistance R9 respectively with the electric capacity
One end of C5, the zero passage detection end connection of power carrier processor 6, the emitter stage of the photoelectrical coupler U1, electric capacity C4 it is another
One end, the other end of electric capacity C5 are all connected to ground.Photoelectrical coupler U1 plays Phototube Coupling, for isolating forceful electric power with light current
Isolation.The zero-point voltage for crossing any one phase power line of detection of zero testing electricity 5 is (of the invention to be gathered by resistance R7 and detect A phases
Zero-point voltage on power line)；In the present embodiment, power carrier processor 6 receives or sends two kinds of carrier wave letters of different frequency
Number, the time difference (time difference τ≤10 microsecond) is had during two carrier signals of transmitting-receiving, in zero crossing moment surrounding time (t≤4 milli
Second) the inner transmitting-receiving for carrying out data is easily caused error probability, therefore, the detection of logical zero passage detection electricity 5 gets 220V industrial-frequency alternating currents
The pulse signal at zero crossing moment, detected pulse signal is input into the zero passage detection end ZC_ of power carrier processor 6
DTCT carries out direct detection, so that for power carrier processor 6 carries out zero passage detection communication and phase judgment provides foundation,
Zero-acrross ing moment enters to transmit and receive the interference that data can be eliminated effectively on power line, makes the data that power carrier processor 6 is received and dispatched more
Accurately.
In the present invention, with reference to shown in Fig. 2 and Fig. 3, the model of shown power carrier processor 6 is using the magnificent news connection in Beijing
The HM7901 chips of Science and Technology Ltd.'s design production, as shown in Figures 2 and 3, the embedded ARM926ej-s kernels of CPU of the chip
Processor, maximum operating frequency is 266MHz, embeds I-Cache 8KB, D-Cache 8KB, ITCM 4KB；Peripheral interface includes
1 MII interface and the extension of support 10/100Mbits/s networks, 1 SPI Master/Slave interfaces, 4 UART interfaces, 32
Individual GPIO interface, 1 I2C interface, storage inside interface includes built-in SDRAM memory, and maximum supports 16MB, also supports SPI
External memorizer.Power carrier process chip HM7901 use OFDM modulation techniques, reference frequency output be 2MHz~
20MHz, its subcarrier supports BPSK, QPSK, 8QAM, 16QAM, 64QAM modulation, subcarrier Adaptive Modulation；With powerful
Denoising and error correcting capability.
In the present invention, with reference to shown in Fig. 1, Fig. 2, Fig. 5, Fig. 6 and Fig. 7, first pin of the coupling transformer T1 and institute
The positive pole for stating A phase timesharing transmission circuit 20 receives input RXA+ connections, the 4th pin and the A phases of the coupling transformer T1
The negative pole of timesharing transmission circuit 20 receives input RXA- connections, the crus secunda of the coupling transformer T1 and the A phases timesharing
The positive pole of transmission circuit 20 sends output end TXA+ connections, and the 3rd pin of the coupling transformer T1 is received and dispatched with the A phases timesharing
The negative pole of circuit 20 sends output end TXA- connections；First pin of the coupling transformer T2 and the B phases timesharing transmission circuit
21 positive pole receives input RXB+ connections, the 4th pin of the coupling transformer T2 and the B phases timesharing transmission circuit 21
Negative pole receives input RXB- connection, the positive pole of the crus secunda of the coupling transformer T2 and the B phases timesharing transmission circuit 21
Output end TXB+ connections are sent, the 3rd pin of the coupling transformer T2 sends with the negative pole of the B phases timesharing transmission circuit 21
Output end TXB- is connected；First pin of the coupling transformer T3 receives input with the positive pole of the C phases timesharing transmission circuit 22
End RXC+ connections, the 4th pin of the coupling transformer T3 receives input with the negative pole of the C phases timesharing transmission circuit 22
RXC- is connected, and the crus secunda of the coupling transformer T3 sends output end TXC+ with the positive pole of the C phases timesharing transmission circuit 22
Connection, the 3rd pin of the coupling transformer T3 sends output end TXC- and is connected with the negative pole of the C phases timesharing transmission circuit 22；
The positive pole that the positive pole of the A phases timesharing transmission circuit 20 receives output end RXA+, B phase timesharing transmission circuit 21 receives output end
It is defeated that the positive pole of RXB+, C phase timesharing transmission circuit 22 receives positive poles of the output end RXC+ respectively with the power carrier filter circuit 3
Enter and hold LCRX+ to connect, the negative pole of the A phases timesharing transmission circuit 20 receives the negative of output end RXA-, B phase timesharing transmission circuit 21
The negative pole that pole receives output end RXB-, C phase timesharing transmission circuit 22 receives output end RXC- and the power carrier filter circuit 3
Negative input connection, the positive pole of the cathode output end of the power carrier filter circuit 3 and the power carrier processor 6
Receive input connection；The cathode output end of the power carrier filter circuit 3 connects with the negative pole of the power carrier processor 6
Receive input connection；The positive pole of the power carrier processor 6 sends output end and is sent with the positive pole of the transmission amplifying circuit 4
Input is connected, and the negative pole of the power carrier processor 6 sends output end and sends defeated with the negative pole of the transmission amplifying circuit 4
Enter end connection, the negative pole for sending amplifying circuit 4 sends output end and sent out with the negative pole of the A phases timesharing transmission circuit 20 respectively
The negative pole of negative pole transmission input TXB-, C phase timesharing transmission circuit 22 of input TXA-, B phase timesharing transmission circuit 21 is sent to send out
Send input TXC- connect, it is described send amplifying circuit 4 positive pole send output end respectively with the A phases timesharing transmission circuit 20
Positive pole send the positive pole of input TXA+, B phase timesharing transmission circuit 21 and send input TXB-, C phase timesharing transmission circuit 22
Positive pole send input connection, it is described send amplifying circuit 4 positive pole send output end respectively with the A phases timesharing receive and dispatch electricity
The positive pole on road 20 sends input, the positive pole of B phase timesharing transmission circuit 21 is sending input, C phase timesharing transmission circuit 22 just
Pole sends input connection；The positive pole of the A phases timesharing transmission circuit 20 sends the of output end and the coupling transformer T1
Two pin are connected, and the negative pole of the A phases timesharing transmission circuit 20 sends output end and is connected with the 3rd pin of the coupling transformer T1；
The positive pole of the B phases timesharing transmission circuit 21 sends output end and is connected with the crus secunda of the coupling transformer T2, the B phases point
When transmission circuit 21 negative pole send output end and be connected with the 3rd pin of the coupling transformer T2, C phases timesharing transmitting-receiving is electric
The positive pole on road 22 sends output end and be connected with the crus secunda of the coupling transformer T3, and the C phases timesharing transmission circuit 22 is born
Pole sends output end and is connected with the 3rd pin of the coupling transformer T3.
In the present invention, with reference to Fig. 4, Fig. 5, Fig. 6 and Fig. 7, the power carrier filter circuit 3 includes resistance R300, electricity
Hold C300, electric capacity C301, electric capacity C302, electric capacity C303, electric capacity C304, electric capacity C305, inductance L300, inductance L301, inductance
L302, inductance L303, diode D300, diode D301, diode D302 and diode D303；The A phases timesharing transmitting-receiving electricity
The positive pole on road 20 receives output end LCRXA+, the positive pole of the B phases timesharing transmission circuit 21 receives output end LCRXB+, the C
The positive pole of phase timesharing transmission circuit 22 receives output end LCRXC+ one end, the one of electric capacity C301 respectively with the electric capacity C300
End, one end connection of inductance L300；The negative pole of the A phases timesharing transmission circuit 20 receives output end LCRXA-, the B phases timesharing
The negative pole of transmission circuit 21 receives output end LCRXB-, the negative pole of the C phases timesharing transmission circuit 22 receives output end LCRXC-
The other end respectively with the electric capacity C301, one end of electric capacity C302, the other end of inductance L300 are connected, the electric capacity C302's
The other end is connected with one end of the inductance L302, and the other end of the electric capacity C300 is connected with one end of the inductance L301,
The other end of inductance L302 one end, one end of electric capacity C305, one end of inductance L303, two respectively with the electric capacity C303
The negative electrode connection of the anode, diode D303 of pole pipe D302, the other end of the inductance L301 is respectively with the electric capacity C303's
The other end, one end of electric capacity C304, the other end of inductance L303, the anode of diode D300, the negative electrode connection of diode D301,
The anode of the diode D301, the anode of diode D303 are connected to ground respectively, negative electrode, the diode of the diode D300
The negative electrode of D302 respectively with power circuit 100 export+3.3V supply voltages be connected, the other end of the electric capacity C305 with it is described
The positive pole of power carrier processor 6 receives input PLC-RX+ connections；The other end of the electric capacity C304 and the power carrier
The negative pole of processor 6 receives input PLC-RX- connections, and in the present invention, power carrier filter circuit 3 is using multi-stage filter electricity
Road, filters out the industrial-frequency alternating current noise signal from 50Hz on power line, improves carrier signal receptivity；Wherein, two pole
Pipe D300, diode D301, diode D302, diode D303 and diode D304 are afterflow protection diode, are wave filter
Signal provides the current signal of stabilization and anti-stop signal is excessive simultaneously, and in Figure 5, the A phases timesharing transmission circuit 20 includes three
Pole pipe Q200, MOS switch pipe T200, MOS switch pipe T201, MOS switch pipe T202, MOS switch pipe T203, MOS switch pipe
T204 and its peripheral circuit, wherein peripheral circuit include resistance R200, resistance R201, resistance R202, resistance R203, resistance
R204, resistance R205, resistance R206, resistance R207, resistance R208, resistance R209, resistance R210, resistance R211, resistance R212,
Electric capacity C200, electric capacity C201, electric capacity C202, electric capacity C203, electric capacity C204, inductance L200, inductance L201, diode D200, two
Pole pipe D201, diode D202, diode D203, diode D204, diode D205, diode D206 and diode D207；
Carrier received signal receives input RXA+ and A phase timesharing transmission circuit 20 from the positive pole of the A phases timesharing transmission circuit 20
Negative pole receives input RXA- inputs, i.e., be input into from one end of one end of inductance L200 and inductance L201, diode in Figure 5
D200, diode D201, diode D202 and diode D203 are acted as to the input signal of inductance L200 and inductance L201 two ends
Clamping action, can suppress the common-mode noise of differential signal.Wherein, the input/output control port of power carrier processor 6
GPIO4 controls MOS switch pipe T201 and MOS switch pipe T202 to turn on by resistance 200, triode Q200, MOS switch pipe T200
Or close, wherein resistance R201 plays partial pressure effect, when the input/output control port GPIO4 of power carrier processor 6 is exported
Triode Q200 conductings during high level, Continuity signal is turned it on through the grid that resistance R202 is connected to MOS switch pipe T200,
The source electrode of MOS switch pipe T200 connects+12V supply voltages, the one end, the electricity that drain respectively with resistance R204 of MOS switch pipe T200
Hinder one end, one end of resistance R206, one end connection of resistance R207, the other end and the MOS switch pipe of resistance R204 of R205
The grid connection of T201, the other end of resistance R205 is connected with the grid of MOS switch pipe T202, the other end of resistance R206 and
The grid connection of MOS switch pipe T203, the other end of resistance R207 is connected with the grid of MOS switch pipe T204, it is achieved thereby that
Power carrier processor 6 carries out timesharing selection conducting to MOS switch pipe T201~MOS switch pipe T204, as coupling transformer T1
The first pin and the two poles of the earth carrier signal of the 4th pin coupling output (RXA+ and RXA-) is input into by inductance L200 and inductance L201,
Select MOS switch pipe T201 to control MOS switch pipe T202 to turn on by timesharing, the two poles of the earth carrier signal is passed through into electric capacity C200 and electricity
After the electric capacity C300 and electric capacity C302 input multi-stage filters that appearance C202 is input into power carrier filter circuit 3 are processed,
The negative pole for being exported to power carrier process chip HM7901 by electric capacity C304 respectively receives input PLC_RX- the (the 27th
Pin), output to the positive pole of power carrier process chip HM7901 of electric capacity C305 receives input PLC_RX+ the (the 26th
Pin), the High-frequency differential signals of two-way 2MHz~20MHz are input into the 26th pin of power carrier process chip HM7901
The power carrier data-signal for obtaining being received from power line is demodulated and modulated with the 27th pin (not shown).
Similarly, as shown in fig. 6, the B phases timesharing transmission circuit 21 includes triode Q500, MOS switch pipe T500, MOS
Switch transistor T 501, MOS switch pipe T502, MOS switch pipe T503, MOS switch pipe T504 and its peripheral circuit, carrier received signal
Input RXB+ is received from the positive pole of the B phases timesharing transmission circuit 21 and negative pole receives input RXB- inputs, i.e., from inductance
One end input of one end and inductance L501 of L500, wherein, the input/output control port GPIO5 of power carrier processor 6 leads to
Resistance 500, triode Q500, MOS switch pipe T500 control MOS switch pipe T501 and MOS switch pipe T502 on and off are crossed,
First pin of coupling transformer T2 and the two poles of the earth carrier signal of the 4th pin coupling output are input into by inductance L500 and inductance L501,
MOS switch pipe T501 is selected to control MOS switch pipe T502 to turn on by timesharing, timesharing selection receives the carrier wave on B phase power lines
Signal, the electric capacity C300 that the two poles of the earth carrier signal is input into power carrier filter circuit 3 by electric capacity C500 and electric capacity C502
After being processed with electric capacity C302 input multi-stage filters, exported to power carrier process chip by electric capacity C304 respectively
The negative pole of HM7901 receives input PLC_RX- (the 27th pin), the output of electric capacity C305 to power carrier process chip
The positive pole of HM7901 receives input PLC_RX+ (the 26th pin), the High-frequency differential signals input of two-way 2MHz~20MHz
The 26th pin and the 27th pin (not shown) to power carrier process chip HM7901 are demodulated and modulate
To the power carrier data-signal received from power line.
Similarly, as shown in fig. 7, the C phases timesharing transmission circuit 22 includes triode Q600, MOS switch pipe T600, MOS
Switch transistor T 601, MOS switch pipe T602, MOS switch pipe T603, MOS switch pipe T604 and its peripheral circuit, carrier received signal
Input RXC+ is received from the positive pole of the C phases timesharing transmission circuit 22 and negative pole receives input RXC- inputs, i.e., from inductance
One end input of one end and inductance L601 of L600, wherein, the input/output control port GPIO6 of power carrier processor 6 leads to
Resistance 600, triode Q600, MOS switch pipe T600 control MOS switch pipe T601 and MOS switch pipe T602 on and off are crossed,
First pin of coupling transformer T2 and the two poles of the earth carrier signal of the 4th pin coupling output are input into by inductance L600 and inductance L601,
MOS switch pipe T601 is selected to control MOS switch pipe T602 to turn on by timesharing, timesharing selection receives the carrier wave on C phase power lines
Signal, the electric capacity C300 that the two poles of the earth carrier signal is input into power carrier filter circuit 3 by electric capacity C600 and electric capacity C602
After being processed with electric capacity C302 input multi-stage filters, exported to power carrier process chip by electric capacity C304 respectively
The negative pole of HM7901 receives input PLC_RX- (the 27th pin), the output of electric capacity C305 to power carrier process chip
The positive pole of HM7901 receives input PLC_RX+ (the 26th pin), the High-frequency differential signals input of two-way 2MHz~20MHz
The 26th pin and the 27th pin (not shown) to power carrier process chip HM7901 are demodulated and modulate
To the power carrier data-signal received from power line.
In the present invention, the power carrier data-signal that power carrier process chip HM7901 is received from power line enters
After row demodulation modulation, then (the 21st draws to send output end PLC_TX+ by the positive pole of power carrier process chip HM7901
Pin) and negative pole send output end PLC_TX- (the 22nd pin) respectively send two paths of differential signals to send amplifying circuit 4,
It is described to send the model THS6214 amplification chips that amplifying circuit 4 is used, as shown in figure 8, power carrier process chip HM7901
Positive pole send the signal and negative pole of output end PLC_TX+ (the 21st pin) output and send output end PLC_TX- the (the 20th
Two pins) output signal respectively through send amplifying circuit 4 in electric capacity C11 input and electric capacity C12 feeding carrier wave letter
The electrode input end D2IN+ (second pin) and negative input D1IN- (the first pin) for number sending amplification chip THS6214 enter
Row differential amplification, to increase the transmit power of carrier wave, with reference to shown in Fig. 2, Fig. 5, Fig. 6, Fig. 7 and Fig. 8, carrier signal sends amplifies
The positive carrier sending signal and negative carrier signal of chip THS6214 differential amplifications output are drawn from the 20th pin, the 17th respectively
Pin is exported, and positive carrier sending signal is exported to the timesharing of A phases and received and dispatched respectively by resistance R16, electric capacity C19 coupled outputs P_TX+
The positive pole of circuit 20 is sending input TX+ (the drain electrode input of MOS switch pipe T204), the B phases timesharing transmission circuit 21 just
Pole sends input (the drain electrode input of MOS switch pipe T504), the positive pole of the C phases timesharing transmission circuit 22 and sends input
(the drain electrode input of MOS switch pipe T604) connection, negative carrier sending signal is exported by resistance R17, electric capacity from the 17th pin
C20 coupled outputs M_TX- sends input TX- (MOS switch pipes with the negative pole of the A phases timesharing transmission circuit 20 respectively
The drain electrode input of T203), the negative pole of the B phases timesharing transmission circuit 21 send the input TX- (drain electrodes of MOS switch pipe T503
Input), the negative pole of the C phases timesharing transmission circuit 22 send input TX- (the drain electrode input of MOS switch pipe T603) connection,
The positive pole of the A phases timesharing transmission circuit 20 sends output end TXA+ and is connected with the crus secunda of the coupling transformer T1, the A
The negative pole of phase timesharing transmission circuit 20 sends output end TXA- and is connected with the 3rd pin of the coupling transformer T1, by control
The conducting of MOS switch pipe T203 and MOS switch pipe T204 realizes carrier signal timesharing transmission；The B phases timesharing transmission circuit
21 positive pole sends output end TXB+ and is connected with the crus secunda of the coupling transformer T2, the B phases timesharing transmission circuit 21
Negative pole sends output end TXB- and is connected with the 3rd pin of the coupling transformer T2, the positive pole of the C phases timesharing transmission circuit 22
Send output end TXC+ to be connected with the crus secunda of the coupling transformer T3, the negative pole of the C phases timesharing transmission circuit 22 sends
Output end TXC- is connected with the 3rd pin of the coupling transformer T3, respectively through coupling transformer T1, through over-coupled transformer
T2 and through over-coupled transformer T3 timesharing coupling output three-phase power carrier signal and transmission to being transmitted in three-phase power line.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (7)
1. a kind of concentrator communication module based on power wire broadband carrier, it is characterised in that：Including three phase carrier signal coupling
Transmission circuit, power carrier filter circuit, transmission amplifying circuit, zero cross detection circuit, power carrier treatment when circuit, three-phase separate
Device, GPRS communication modules, routing circuit and power circuit, the three phase carrier signal termination power collection terminal connect power line,
The sending and receiving end of the three phase carrier signal termination power passes through transmission circuit, power carrier filter circuit and the electricity during three-phase separate
Power carrier processor is connected, and the input of the zero cross detection circuit connects with power line, three phase carrier signal termination power respectively
Connect, the output end of the zero cross detection circuit is connected with power carrier processor, the transmitting terminal of power carrier processor is by hair
Transmission circuit is connected when sending amplifying circuit with the three-phase separate, the GPRS communication modules, routing circuit respectively with the electric power
Carrier processor communicate to connect, the power circuit respectively with three-phase separate when transmission circuit, power carrier filter circuit, transmission put
Big circuit, zero cross detection circuit, power carrier processor, GPRS communication modules, routing circuit connection.
2. a kind of concentrator communication module based on power wire broadband carrier according to claim 1, it is characterised in that：Institute
Three phase carrier signal termination power is stated by A phase carrier signals termination power, B phase carrier signal termination powers and C phase carrier signals
Termination power is constituted, and transmission circuit is received by A phase timesharing transmission circuit, B phase timesharing transmission circuits and the timesharing of C phases during the three-phase separate
Power Generation Road is constituted, wherein, the collection input of A phase carrier signal termination powers is connected with the A phase power lines of power line, and B phases are carried
The collection input of ripple signal coupling circuit is connected with the B phase power lines of power line, and the collection of C phase carrier signal termination powers is defeated
Enter end to be connected with the A phase power lines of power line；Received and dispatched with the A phases timesharing sending and receiving end of the A phases carrier signal termination power
The sending and receiving end connection of circuit, the sending and receiving end of the sending and receiving end of the B phases carrier signal termination power and the B phases timesharing transmission circuit
Connection, the sending and receiving end of the C phases carrier signal termination power is connected with the sending and receiving end of the C phases timesharing transmission circuit, the A phases
The reception output end of timesharing transmission circuit, the reception output end of B phase timesharing transmission circuits, C phase timesharing transmission circuits reception it is defeated
Go out end to be connected with the reception input of the power carrier processor by the filtering output end of power carrier filter circuit；It is described
The transmission output end of power carrier processor is connected with the transmission input of the transmission amplifying circuit, sends the hair of amplifying circuit
Send transmission input, the transmission input and C of B phase timesharing transmission circuit of the output end respectively with the A phases timesharing transmission circuit
The transmission input connection of phase timesharing transmission circuit；The A phase of the collection input with power line of the zero cross detection circuit, B phases
Or the connection of C phases power line, the coupling of the collection output end of the zero cross detection circuit respectively with A phase carrier signal termination powers is defeated
Enter end, the couple input of B phase carrier signal termination powers, the connection of the couple input of C phase carrier signal termination powers.
3. a kind of concentrator communication module based on power wire broadband carrier according to claim 2, it is characterised in that：Institute
Stating A phase carrier signals termination power includes resistance R1, resistance R2, electric capacity C1 and coupling transformer T1, B phase carrier signal coupling electricity
Road includes that resistance R3, resistance R4, electric capacity C2 and coupling transformer T2, C phase carrier signal termination power include resistance R5, resistance
R6, electric capacity C3 and coupling transformer T3, the zero cross detection circuit include photoelectrical coupler U1, resistance R7, resistance R8, resistance
R9, electric capacity C4, inductance C5, inductance L1 and diode D1；
One end of the resistance R1, one end of resistance R2, the 5th pin of coupling transformer T1 are connected with A phase power lines respectively, electricity
The other end for hindering R1 is connected with one end of electric capacity C1, and the other end connection of electric capacity C1 is connected with the other end of resistance R2, the electricity
One end of resistance R3, one end of resistance R4, the 5th pin of coupling transformer T2 are connected with B phase power lines respectively, and resistance R3's is another
End is connected with one end of electric capacity C2, and the other end connection of electric capacity C2 is connected with the other end of resistance R4, one end of the resistance R5,
One end of resistance R6, the 5th pin of coupling transformer T3 are connected with C phase power lines respectively, and the other end of resistance R5 is with electric capacity C3's
One end connects, and the other end connection of electric capacity C3 is connected with the other end of resistance R6；The anode of the photoelectrical coupler U1 with it is described
The negative electrode connection of diode D1, the negative electrode of the diode D1 is connected with one end of the resistance R7, the other end of resistance R7
It is connected with A phases, B phases or C phase power lines, the negative electrode of the photoelectrical coupler U1 is respectively with the 6th of the coupling transformer T1 the
Pin, the 6th pin of coupling transformer T2, the 6th pin connection of coupling transformer T3, colelctor electrode and the electricity of the photoelectrical coupler U1
Hinder one end connection of one end of R8, resistance R9, the other end of the resistance 8 one end, one end of inductance L1 respectively with electric capacity C4
Connection, the other end of inductance L1 is connected with the power circuit, and the other end of the resistance R9 is respectively with the one of the electric capacity C5
End, the zero passage detection end connection of power carrier processor, the emitter stage of the photoelectrical coupler U1, the other end of electric capacity C4, electricity
The other end for holding C5 is all connected to ground；First pin of the coupling transformer T1 connects with the positive pole of the A phases timesharing transmission circuit
Input connection is received, the 4th pin of the coupling transformer T1 receives input and connects with the negative pole of the A phases timesharing transmission circuit
Connect, the crus secunda of the coupling transformer T1 sends output end and is connected with the positive pole of the A phases timesharing transmission circuit, the coupling
3rd pin of transformer T1 sends output end and is connected with the negative pole of the A phases timesharing transmission circuit；The coupling transformer T2's
The positive pole of the first pin and the B phases timesharing transmission circuit receives input and is connected, the 4th pin of the coupling transformer T2 and institute
The negative pole for stating B phase timesharing transmission circuits receives input connection, and the crus secunda of the coupling transformer T2 is received with the B phases timesharing
The positive pole of Power Generation Road sends output end connection, and the 3rd pin of the coupling transformer T2 is negative with the B phases timesharing transmission circuit
Pole sends output end connection；First pin of the coupling transformer T3 receives input with the positive pole of the C phases timesharing transmission circuit
End connection, the 4th pin of the coupling transformer T3 receives input and is connected with the negative pole of the A phases timesharing transmission circuit, described
The crus secunda of coupling transformer T3 sends output end and is connected with the positive pole of the C phases timesharing transmission circuit, the coupling transformer
3rd pin of T3 sends output end and is connected with the negative pole of the C phases timesharing transmission circuit；The positive pole of the A phases timesharing transmission circuit
Receive output end, the positive pole of B phase timesharing transmission circuits receives output end, the positive pole of C phase timesharing transmission circuits receives output end point
Electrode input end not with the power carrier filter circuit is connected, the negative pole reception output end of the A phases timesharing transmission circuit,
The negative pole of B phase timesharing transmission circuits receives output end, the negative pole of C phase timesharing transmission circuits receives output end and the power carrier
The negative input connection of filter circuit, the cathode output end of the power carrier filter circuit and the power carrier processor
Positive pole receive input connection；The cathode output end of the power carrier filter circuit is negative with the power carrier processor
Pole receives input connection；
The positive pole of the power carrier processor sends output end and is connected with the positive pole transmission input of the transmission amplifying circuit,
The negative pole of the power carrier processor sends output end and is connected with the negative pole transmission input of the transmission amplifying circuit, described
The negative pole transmission output end for sending amplifying circuit sends input, B phase timesharing with the negative pole of the A phases timesharing transmission circuit respectively
The negative pole of transmission circuit sends input, the negative pole of C phase timesharing transmission circuits sends input connection, the transmission amplifying circuit
4 positive pole sends output end and input, B phase timesharing transmission circuits is respectively sent with the positive pole of the A phases timesharing transmission circuit
Positive pole sends input, the positive pole of C phase timesharing transmission circuits sends input connection, and the positive pole for sending amplifying circuit sends
Output end sends input with the positive pole of the A phases timesharing transmission circuit respectively, the positive pole of B phase timesharing transmission circuits sends input
End, the positive pole of C phase timesharing transmission circuits send input connection；The positive pole of the A phases timesharing transmission circuit send output end with
The crus secunda connection of the coupling transformer T1, the negative pole of the A phases timesharing transmission circuit sends output end and couples change with described
The 3rd pin connection of depressor T1；The positive pole of the B phases timesharing transmission circuit sends the of output end and the coupling transformer T2
Two pin are connected, and the negative pole of the B phases timesharing transmission circuit sends output end and is connected with the 3rd pin of the coupling transformer T2；Institute
The positive pole transmission output end for stating C phase timesharing transmission circuits is connected with the crus secunda of the coupling transformer T3, and the C phases timesharing is received
The negative pole of Power Generation Road sends output end and is connected with the 3rd pin of the coupling transformer T3.
4. a kind of concentrator communication module based on power wire broadband carrier according to claim 3, it is characterised in that：Institute
State power carrier filter circuit including resistance R300, electric capacity C300, electric capacity C301, electric capacity C302, electric capacity C303, electric capacity C304,
Electric capacity C305, inductance L300, inductance L301, inductance L302, inductance L303, diode D300, diode D301, diode D302
With diode D303；The positive pole of the A phases timesharing transmission circuit receives output end, the positive pole of B phase timesharing transmission circuits receives defeated
Go out end, the positive pole of C phase timesharing transmission circuits receives output end one end respectively with the electric capacity C300, one end of electric capacity C301,
One end connection of inductance L300；The negative pole of the A phases timesharing transmission circuit receives output end, the negative pole of B phase timesharing transmission circuits
Receive output end, the negative pole of C phase timesharing transmission circuits receives the output end other end, electric capacity C302 respectively with the electric capacity C301
One end, inductance L300 the other end connection, the other end of the electric capacity C302 is connected with one end of the inductance L302, described
The other end of electric capacity C300 is connected with one end of the inductance L301, the other end of the inductance L302 respectively with the electric capacity
One end of C303, one end of electric capacity C305, one end of inductance L303, the anode of diode D302, the negative electrode of diode D303 connect
Connect, the other end of the inductance L301 other end respectively with the electric capacity C303, one end of electric capacity C304, inductance L303 it is another
One end, the anode of diode D300, the negative electrode connection of diode D301, the anode of the diode D301, diode D303
Anode is connected to ground respectively, and the negative electrode of the diode D300, the negative electrode of diode D302 are connected with power circuit respectively, described
The other end of electric capacity C305 receives input and is connected with the positive pole of the power carrier processor；The other end of the electric capacity C304
Input is received with the negative pole of the power carrier processor to be connected.
5. a kind of concentration based on power wire broadband carrier described in any one claim according to claims 1 to 4
Device communication module, it is characterised in that：The chip model of the power carrier processor is HM7901.
6. a kind of concentrator communication module based on power wire broadband carrier according to claim 3, it is characterised in that：Institute
State and send the amplification chip model THS6214 that amplifying circuit is used.
7. a kind of concentrator communication module based on power wire broadband carrier according to claim 1, it is characterised in that：Institute
Routing circuit is stated using PH163539 networkings routing circuit.
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| CN111404583A (en) * | 2020-06-05 | 2020-07-10 | 北京智芯微电子科技有限公司 | Carrier wave repeater |
| CN113114303A (en) * | 2021-03-19 | 2021-07-13 | 江苏固德威电源科技股份有限公司 | Anti-interference method of photovoltaic power carrier data collector in double-split transformer |
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