CN106487420A - Locomotive double heading method based on power line carrier communication - Google Patents
Locomotive double heading method based on power line carrier communication Download PDFInfo
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- CN106487420A CN106487420A CN201510547903.6A CN201510547903A CN106487420A CN 106487420 A CN106487420 A CN 106487420A CN 201510547903 A CN201510547903 A CN 201510547903A CN 106487420 A CN106487420 A CN 106487420A
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Abstract
The present invention is a kind of locomotive double heading method based on power line carrier communication, and methods described includes：First communication equipment receives the network data that the second communication equipment sends, and wherein, the first communication equipment and the second communication equipment are located in the first locomotive；The network data is modulated into high-frequency signal by first communication equipment, and the high-frequency signal is sent to third communication equipment by the power line for locomotive power supply；The high-frequency signal for receiving is demodulated to network data by the third communication equipment, and the network data after demodulation is sent to fourth communication equipment, so that the fourth communication equipment carries out locomotive double heading according to the network data after the demodulation, wherein, third communication equipment and the fourth communication equipment are located in the second locomotive.The locomotive double heading method based on power line carrier communication of the present invention, need to be mounted so that multiple unit socket and weight on line cable cause to join the technical problem that process wastes time and energy again during solving existing locomotive double heading.
Description
Technical field
The present invention relates to a kind of communications field, more particularly to a kind of locomotive weight based on power line carrier communication
Linked method.
Background technology
With the continuous development of railway transportation, in the operation of trunk railway electric propulsion, a locomotive traction
Sometimes often can not meet the requirement of transport, it is necessary to multiple stage locomotive traction improving transport capacity, so as to
Improve the economic indicator of railway transportation.
At present, the communication between each locomotive is realized by way of locomotive double heading, locomotive weight in prior art
Connection is all realized with special heavy on line cable connection, substantially by weight on line cable in the way of realizing communication
The networking again of each locomotive is closed connection so as to realize joining the transmission of information between each locomotive again, however, existing
Locomotive double heading mode by again connection cable transmission join information again when, first have to each intra-locomotive arrangement weight
On line cable, the outside of next each locomotive also need to install multiple unit socket, and when binding group or solution are compiled again, also need
Special messenger is wanted to install or remove multiple unit socket and weight on line cable manually in two car junctions, entirely connection process is taken again
When again laborious.
Content of the invention
The present invention provides a kind of locomotive double heading method based on power line carrier communication, solves existing locomotive
Need to be mounted so that multiple unit socket and weight on line cable cause to join the skill that process wastes time and energy again again during joining
Art problem, simplifies the preparation of locomotive double heading.
The present invention provides locomotive double heading method of the kind based on power line carrier communication, and methods described includes：
First communication equipment receives the network data that the second communication equipment sends, wherein, first communication equipment
It is located in the first locomotive with second communication equipment；
The network data is modulated into high-frequency signal by first communication equipment, and by the high-frequency signal
Third communication equipment is sent to by the power line for locomotive power supply；
The high-frequency signal for receiving is demodulated to network data by the third communication equipment, and will demodulation
Network data afterwards is sent to fourth communication equipment, so that after the fourth communication equipment is according to the demodulation
Network data carry out locomotive double heading, wherein, the third communication equipment and the fourth communication equipment position
In the second locomotive.
In the specific embodiment of the present invention, also include：
The network data that the fourth communication equipment sends is modulated into high frequency letter by the third communication equipment
Number, and the high-frequency signal is sent to first communication equipment by power line；
After the high-frequency signal for receiving is demodulated to network data and will demodulate by first communication equipment
The network data send to second communication equipment so that second communication equipment is according to described
Network data after demodulation carries out locomotive double heading.
In the specific embodiment of the present invention, first communication equipment includes：First modem and
First power line interface, wherein, first modem respectively with second communication equipment and institute
State the first power line interface to be connected, first power line interface is connected with the power line；
The network data that second communication equipment sends is modulated into high frequency letter by first modem
Number and the high-frequency signal received from first power line interface is demodulated to network data, and will adjust
The high-frequency signal being obtained is sent to first power line interface, and the network data that demodulation is obtained sends
To second communication equipment；
The high-frequency signal that first modem sends is coupled to by first power line interface
It is transmitted on the power line, and the high-frequency signal received from the power line is sent
To first modem.
In the specific embodiment of the present invention, also include in first communication equipment：First network interface
With the first primary processor, wherein, the first network interface respectively with second communication equipment and described
First primary processor is connected, and first primary processor is connected with first modem, and described the
One modem is connected with first power line interface；
Network data that second communication equipment described in the first network interface sends by the network
Data is activation is to first primary processor, and receives the network number that first primary processor sends
According to, and the network data is sent to second communication equipment；
First primary processor sends the network data that the first network interface is transmitted to described first
Modem, and control first modem that the network data is modulated into high-frequency signal；
And the high-frequency signal for controlling first modem to receive from the power line is demodulated to network
Data, and the network data that demodulation is obtained is sent to the first network interface；
Control instruction that first modem is sent according to first primary processor will be received
Network data modulated high frequency signal and the high-frequency signal for receiving is demodulated to network data, and will modulation
The high-frequency signal for obtaining is sent to first power line interface, by the network data that obtains of demodulation send to
First primary processor.
In the specific embodiment of the present invention, the third communication equipment includes：3rd modem and
3rd power line interface, wherein, the 3rd modem respectively with the fourth communication equipment and institute
State the 3rd power line interface to be connected, the 3rd power line interface is connected with the power line；
The network data that the fourth communication equipment sends is modulated into high frequency letter by the 3rd modem
Number and the high-frequency signal received from the 3rd power line interface is demodulated to network data, and will adjust
The high-frequency signal being obtained is sent to the 3rd power line interface, and the network data that demodulation is obtained sends
To the fourth communication equipment；
The high-frequency signal that 3rd modem sends is coupled to by the 3rd power line interface
It is transmitted on the power line, and the high-frequency signal received from the power line is sent
To the 3rd modem.
In the specific embodiment of the present invention, also include in the third communication equipment：3rd network interface
With the 3rd primary processor, wherein, the 3rd network interface respectively with the fourth communication equipment and described
3rd primary processor is connected, and the 3rd primary processor is connected with the 3rd modem, and described the
Three modems are connected with the 3rd power line interface；
3rd network interface receives the network data that the fourth communication equipment sends and by the network
Data is activation is to the 3rd primary processor, and receives the network number that the 3rd primary processor sends
According to and the network data sent to the fourth communication equipment；
3rd primary processor sends the network data that the 3rd network interface is transmitted to the described 3rd
Modem, and control the 3rd modem that the network data is modulated into high-frequency signal；
And control the 3rd modem that the high-frequency signal received from the power line is demodulated to net
Network data, and the network data that demodulation is obtained is sent to the 3rd network interface；
Control instruction that 3rd modem is sent according to the 3rd primary processor will be received
Network data modulated high frequency signal and the high-frequency signal for receiving is demodulated to network data, and will modulation
The high-frequency signal for obtaining is sent to the 3rd power line interface, by the network data that obtains of demodulation send to
3rd primary processor.
In the specific embodiment of the present invention, first power line interface and the 3rd power line interface
Inside all include：Filter unit；
The high-frequency signal for receiving is filtered processing by the filter unit, and by after filtering process
High-frequency signal be coupled on power line and be transmitted, or by the high-frequency signal after filtering process send to
On first modem or the 3rd modem.
In the specific embodiment of the present invention, first power line interface and the 3rd power line interface
Inside all include：Power amplifier, the power amplifier and the filter unit be connected；
The high-frequency signal by after filtering process is coupled on power line and is transmitted, or by filtering
High-frequency signal after reason is sent to first modem or the 3rd modem, including：
High-frequency signal after the filtering unit filters are processed by the amplifier carries out signal amplification, and will
Signal after amplification is coupled on the power line and is transmitted, or the signal after amplification is sent to institute
State on the first modem or the 3rd modem.
Locomotive double heading method of the kind that the present invention is provided based on power line carrier communication, is set by the first communication
The standby network data for receiving the transmission of the second communication equipment, first communication equipment and second communication set
It is standby that in the first locomotive, the network data is modulated into high-frequency signal by first communication equipment, and
The high-frequency signal is sent to third communication equipment, the threeway by the power line for locomotive power supply
The high-frequency signal for receiving is demodulated to network data by letter equipment, and the network data after demodulation is sent out
Fourth communication equipment is sent to, so that the fourth communication equipment carries out locomotive double heading according to the network data,
Wherein, the third communication equipment and the fourth communication equipment are located in the second locomotive, such first machine
Traditional heavy on line cable is replaced to be used as communication thing by the power line for locomotive power supply between car and the first locomotive
Reason medium is joined the transmission of information, compared to the prior art, the data transmission medium that the present invention is used again
It is the power line for locomotive power supply, the power line is configured good equipment, so need not be in locomotive
Install weight on line cable and locomotive outside multiple unit socket is installed, so as to save install or safeguard needed for manpower and
Material resources, while simplifying the preparation of locomotive double heading, therefore, what the present invention was provided is carried based on power line
The locomotive double heading method of wave communication completes locomotive double heading by power line carrier communication mode, solves existing
Need to be mounted so that multiple unit socket and weight on line cable cause to join the time-consuming expense of process again during having locomotive double heading
The technical problem of power.
Description of the drawings
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to reality
Apply accompanying drawing to be used needed for example or description of the prior art to be briefly described, it should be apparent that, under
Accompanying drawing in the description of face is some embodiments of the present invention, for those of ordinary skill in the art,
On the premise of not paying creative labor, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is schematic flow sheet of the present invention based on the locomotive double heading method of power line carrier communication；
Fig. 2 is the connection diagram of each communication equipment of the present invention；
Fig. 3 is another schematic flow sheet of the present invention based on the locomotive double heading method of power line carrier communication；
Fig. 4 a is the structural representation of the first communication equipment of the present invention；
Fig. 4 b is the another structural representation of the first communication equipment of the present invention；
Fig. 4 c is another structural representation of the first communication equipment of the present invention；
Fig. 5 a is the structural representation of third communication equipment of the present invention；
Fig. 5 b is the another structural representation of third communication equipment of the present invention；
Fig. 5 c is another structural representation of third communication equipment of the present invention.
Specific embodiment
Purpose, technical scheme and advantage for making the embodiment of the present invention is clearer, below in conjunction with this
Accompanying drawing in bright embodiment, is clearly and completely described to the technical scheme in the embodiment of the present invention,
Obviously, described embodiment is a part of embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained under the premise of creative work is not made
The every other embodiment for obtaining, belongs to the scope of protection of the invention.
Fig. 1 is schematic flow sheet of the present invention based on the locomotive double heading method of power line carrier communication, Fig. 2
It is the connection diagram of each communication equipment of the present invention, as shown in Figure 1-2, methods described comprises the steps：
Step 101, the first communication equipment receive the network data that the second communication equipment sends, wherein, the
One communication equipment and the second communication equipment are located in the first locomotive.
In the present embodiment, shown in Figure 2, the first communication equipment 10 receives the second communication equipment 11
The network data that send, the wherein network data are specifically as follows connection data again, and in the present embodiment, second leads to
Letter equipment 11 is specially the communication equipment in locomotive network control system, is responsible for transceiver network data, wherein,
Second communication equipment 11 can be autonomous device, it is also possible to be integrated in integrally with other network equipments, first
It can be leading to that power line can be transmitted by the network data processing for receiving that communication equipment 10 is specially a kind of
Letter equipment, in the present embodiment, the first communication equipment 10 and the second communication equipment 11 are located at the first locomotive 100
In, the first locomotive 100 is carried out with other locomotives by the first communication equipment 10, the second communication equipment 11
Join again.
The network data is modulated into high-frequency signal by step 102, the first communication equipment, and by the height
Frequency signal is sent to third communication equipment by power line；
In the present embodiment, it is existing for machine to be configured with power line 40, i.e. power line 40 between each locomotive
The power line that car is powered, in the present embodiment, network data is specifically modulated to height by the first communication equipment 10
Frequency signal, and high-frequency signal is sent to third communication equipment 20, wherein, first by power line 40
The signal modulating method of prior art specifically may refer to network data when communication equipment 10 is modulated,
Repeat no more in the present embodiment, in the present embodiment, it should be noted that third communication equipment 20 and first
Communication equipment 10 is carrier telecommunication, i.e. third communication equipment 20 and the first communication equipment
10 is identical communication equipment, and can receive the high-frequency signal transmitted on power line 40 can also be by high frequency
Signal is sent on power line 40 and is transmitted.
The high-frequency signal for receiving is demodulated to network data by step 103, third communication equipment, and
Network data after demodulation is sent to fourth communication equipment, so that after fourth communication equipment is according to demodulation
Network data carries out locomotive double heading, and wherein, third communication equipment and the fourth communication equipment are located at second
In locomotive.
In the present embodiment, third communication equipment 20 receives high-frequency signal from power line 40, and by high frequency
Signal is demodulated processing, and obtains network data, and third communication equipment 20 will demodulate the network data for obtaining
Send to fourth communication equipment 21, fourth communication equipment 21 is that the communication in locomotive network control system sets
Standby, it is responsible for transceiver network data, fourth communication equipment 21 is according to the network data for receiving and other locomotives
It is connected, in the present embodiment, fourth communication equipment 21 is communicated for identical with the second communication equipment 11
Equipment, is all responsible for receiving or sends network data so that locomotive is joined again, in the present embodiment, the 3rd
Communication equipment 20 and fourth communication equipment 21 are located in the second locomotive 200, in the present embodiment, are needed
Bright, when the locomotive for joining is multiple again, then the quantity of the second locomotive is also not necessarily limited to 1, Ke Yiwei
Multiple, as shown in Figure 2, the second locomotive 200 and the second locomotive 300, so, when the first communication
Third communication equipment 20 when equipment 10 transmits high-frequency signal on power line 40, in the second locomotive 200
High-frequency signal can be received from power line 40, meanwhile, the third communication equipment in the second locomotive 300
30 can also receive high-frequency signal from power line 40, just can complete locomotive weight between so each locomotive
Connection, it should be noted that the first locomotive 100, the second locomotive 200 and the second locomotive 300 are only intended to
Distinguish locomotive to be not used to limit locomotive, the first locomotive 100, the second locomotive 200 and the second locomotive 300
A certain locomotive specially in multi-locomotive, and the first communication equipment 10 with third communication equipment 20 is
Identical communication equipment, the second communication equipment 11 are identical communication equipment with fourth communication equipment 21,
Signal transmission is carried out using configured power line 40 between each locomotive, wherein, power line 40 is normal
To the power distribution network of locomotive power supply, the generally alternating current of 25-28kV, so with existing by weight on line
Cable transmission joins data again and compares, in the present embodiment, it is not necessary to which weight on line cable and multiple unit socket are installed again,
Directly the signal transmission between each locomotive is carried out using configured power line 40, so, locomotive is in train
Position in marshalling is not also limited by length of cable, therefore, in the present embodiment, by between locomotive
The power line for setting transmits connection information again as communication physical medium, it is to avoid heavy on line cable and join again
The installation and removal of socket, and then the man power and material's cost needed for installing or safeguarding is saved, simplify
The preparation of locomotive double heading.
The locomotive double heading method based on power line carrier communication that the present embodiment is provided, is set by the first communication
The standby network data for receiving the transmission of the second communication equipment, first communication equipment and second communication set
It is standby that in the first locomotive, the network data is modulated into high-frequency signal by first communication equipment, and
The high-frequency signal is sent to third communication equipment, the threeway by the power line for locomotive power supply
The high-frequency signal for receiving is demodulated to network data by letter equipment, and the network data after demodulation is sent out
Fourth communication equipment is sent to, so that the fourth communication equipment carries out locomotive double heading according to the network data,
Wherein, the third communication equipment and the fourth communication equipment are located in the second locomotive, such first machine
Traditional heavy on line cable is replaced to be used as communication thing by the power line for locomotive power supply between car and the first locomotive
Reason medium is joined the transmission of information, compared to the prior art, the data transmission medium that the present invention is used again
It is the power line for locomotive power supply, the power line is configured good equipment, so need not be in locomotive
Install weight on line cable and locomotive outside multiple unit socket is installed, so as to save install or safeguard needed for manpower and
Material resources, while simplifying the preparation of locomotive double heading, therefore, what the present invention was provided is carried based on power line
The locomotive double heading method of wave communication completes locomotive double heading by power line carrier communication mode, solves existing
Need to be mounted so that multiple unit socket and weight on line cable cause to join the time-consuming expense of process again during having locomotive double heading
The technical problem of power.
Fig. 3 is another schematic flow sheet of the present invention based on the locomotive double heading method of power line carrier communication；
Further, on the basis of above-described embodiment, in the present embodiment, as shown in figure 3, also including as follows
Step：
The network data that fourth communication equipment sends is modulated into high frequency letter by step 201, third communication equipment
Number, and high-frequency signal is sent to the first communication equipment by power line；
In the present embodiment, referring to Fig. 2, third communication equipment 20 receives what fourth communication equipment 21 sent
The network data for receiving is modulated to high-frequency signal by network data, third communication equipment 20, and by high frequency
Signal is transmitted by power line 40, or third communication equipment 30 receives fourth communication equipment 31
The network data that send, the network data that third communication equipment 30 is received are modulated to high-frequency signal, and by height
Frequency signal is transmitted by power line 40.
The high-frequency signal for receiving is demodulated to network data and will demodulate by step 202, the first communication equipment
Network data afterwards is sent to the second communication equipment, so that second communication equipment is according to the network number
According to carrying out locomotive double heading.
In the present embodiment, the first communication equipment 10 receives high-frequency signal from power line 40, and will receive
To high-frequency signal be demodulated to network data, and the network data after demodulation is sent to the second communication equipment
11, the second communication equipment 11 carries out locomotive double heading according to network data, in the present embodiment, needs explanation
It is, when the network data for receiving is modulated to high-frequency signal by third communication equipment 20, and by high-frequency signal
When being transmitted by power line 40, the third communication equipment 30 in the second locomotive 300 can also be from electricity
High-frequency signal is received in the line of force, accordingly, when the network data that third communication equipment 30 is received is modulated to
High-frequency signal, and when high-frequency signal is transmitted by power line 40, the 3rd in the second locomotive 200
Communication equipment 20 can also receive high-frequency signal from power line.
In the present embodiment, the first communication equipment 10 and third communication equipment 20 (30) are all set for identical
Standby, the network data for receiving can be modulated to high-frequency signal and be coupled on power line 40 be transmitted,
While high-frequency signal can also be received from power line 40, and the high-frequency signal for receiving is demodulated into network
Data, by network data transmission to the second communication equipment 11 or fourth communication equipment 21 (31).
Fig. 4 a is the structural representation of the first communication equipment of the present invention, on the basis of above-described embodiment, this
In embodiment, as shown in fig. 4 a, the first communication equipment 10 includes：First modem 10c and
One power line interface 10d, wherein, the first modem 10c respectively with the second communication equipment 11 and
One power line interface 10d is connected, and the first power line interface 10d is connected with power line 40, wherein, this reality
Apply in example, the network data modulation that the second communication equipment 11 can both have been sent by the first modem 10c
Become high-frequency signal, and the high-frequency signal that modulation is obtained is sent to the first power line interface 10d, the first electricity
Line of force interface 10d is connect high-frequency signal and is transmitted by power line 40, meanwhile, the first modem
The high-frequency signal received from the first power line interface 10d can also be demodulated to network data by 10c, will solution
The network data for obtaining is adjusted to send to the second communication equipment 11.
First modem 10c is coupled by the first power line interface 10d with power line 40, so
When first power line interface 10d receives the high-frequency signal of the first modem 10c transmission, it is possible to
High-frequency signal is coupled on power line 40 and is transmitted, the first power line interface 10d can also be by from electricity
The high-frequency signal received in the line of force 40 is sent directly to the first modem 10c, the first modulation /demodulation
The high-frequency signal that device 10c is received is demodulated processing.In the present embodiment, by the first modem
10c is modulated to high-frequency signal to the network data for receiving, and high-frequency signal passes through the first power line interface
10d is sent on power line and is transmitted, and the high-frequency signal to receiving from power line 40 is demodulated into net
Network data, and network data is sent to the second communication equipment 11, it is achieved that pass through electric power between two locomotives
Line carrys out the purpose of transmission data.
Fig. 4 b is the another structural representation of the first communication equipment of the present invention, on the basis of above-described embodiment
On, in the present embodiment, as shown in Figure 4 b, the first communication equipment 10 also includes：First network interface 10a
With the first primary processor 10b, wherein, in the present embodiment, first network interface 10a is communicated with second respectively
Equipment 11 is connected with the first primary processor 10b, the first primary processor 10b and the first modem 10c
It is connected, the first modem 10c is connected with the first power line interface 10a；
First network interface 10a can receive the network data of the transmission of the second communication equipment 11 and by network number
According to sending to the first primary processor 10b, first network interface 10a is transmitted by the first primary processor 10b
Network data send to the first modem 10c, and control the first modem 10c by network number
According to being modulated into high-frequency signal；The control that first modem 10c is sent according to the first primary processor 10b
Instruction is by the network data modulated high frequency signal for receiving, and the high-frequency signal that modulation is obtained is sent to the
High-frequency signal is transmitted by one power line interface 10d, the first power line interface 10d by power line 40；
In the present embodiment, the first power line interface 10d can also receive high-frequency signal from power line 40, and will
High-frequency signal is sent directly to the first modem 10c, and the first modem 10c is according to the first main place
The high-frequency signal for receiving is demodulated into network data by the instruction that reason device 10b sends, the first modem
10c sends network data to the first primary processor 10b, the first primary processor 10b and sends network data
Network data is sent to the second communication equipment 11 to first network interface 10a, first network interface 10a.
Fig. 4 c is another structural representation of the first communication equipment of the present invention；On the basis of above-described embodiment,
In the present embodiment, as illustrated in fig. 4 c, the first power line interface 10d also includes：Filter unit 102d,
The high-frequency signal that first modem 10c sends is filtered processing by filter unit 102d, and
High-frequency signal after filtering process is coupled on power line 40 and is transmitted, or filter unit 102d
The high-frequency signal received from power line 40 is filtered processing, the high-frequency signal after filtering process is sent out
The first modem 10c is delivered to, in the present embodiment, certain noise can be eliminated by filtering process,
Such as second harmonic.
Further, the first power line interface 10d includes：Power amplifier 101d, power amplifier 101d
With filter unit 102d be connected, wherein, the first modem 10c is sent by filter unit 102d
High-frequency signal be filtered processing, and by the high-frequency signal transmit power amplifier 101d after filtering process,
High-frequency signal is carried out power amplification by power amplifier 101d, and the high-frequency signal of amplification need to have enough power
It is coupled on power line 40, or the high-frequency signal that filter unit 102d will be received from power line 40
It is filtered processing, and the high-frequency signal after filtering process is sent to power amplifier 101d, carries out letter
Number amplify, power amplifier 101d signal is amplified after high-frequency signal send the first modem 10c,
First modem 10c is demodulated processing to the signal after amplification.
Fig. 5 a is the structural representation of third communication equipment of the present invention, in the present embodiment, as shown in Figure 5 a,
Third communication equipment 20 (30) includes：3rd modem 20c and the 3rd power line interface 20d,
Wherein, in the present embodiment, the 3rd modem 20c respectively with fourth communication equipment 21 and the 3rd electric power
Line interface 20d is connected, and the 3rd power line interface 20d is connected with power line 40；
The network data that fourth communication equipment 21 can be sent by the 3rd modem 20c is modulated into high frequency
Signal, and the high-frequency signal that obtains of modulation is sent to the 3rd power line interface 20d, the 3rd power line connects
The high-frequency signal that 3rd modem 20c is sent by mouth 20d is transmitted by power line 40, this reality
Apply in example, the 3rd power line interface 20d can also receive high-frequency signal from power line 40, and by high frequency
Signal is sent to the 3rd modem 20c, and the high frequency for receiving is believed by the 3rd modem 20c
Number network data is modulated to, and network data is sent to fourth communication equipment 21.
Fig. 5 b is the another structural representation of third communication equipment of the present invention, on the basis of above-described embodiment
On, in the present embodiment, as shown in Figure 5 b, also include in third communication equipment 20 (30)：3rd net
Network interface 20a and the 3rd primary processor 20b, wherein, the 3rd network interface 20a is set with fourth communication respectively
Standby 21 (31) are connected with the 3rd primary processor 20b, the 3rd primary processor 20b and the 3rd modem
20c is connected, and the 3rd modem 20c is connected with the 3rd power line interface 20d；In the present embodiment, the
When three communication equipments 20 are received or sent high-frequency signal, specially：
3rd network interface 20a receives the network data that fourth communication equipment 21 sends, and by network data
Send to the 3rd primary processor 20b, the 3rd primary processor 20b will be received from the 3rd network interface 20a
To network data send to the 3rd modem 20c, and the 3rd primary processor 20b is to the 3rd modulatedemodulate
Device 20c is adjusted to send instruction, the 3rd modem 20c of control is modulated to the network data for receiving,
Network data is modulated to high-frequency signal by the 3rd modem 20c, and high-frequency signal is sent to the 3rd
Power line interface 20d, the 3rd power line interface 20d are coupled to high-frequency signal on power line and are transmitted,
Other locomotives receive the high-frequency signal transmitted on power line 40, in the present embodiment, the 3rd by communication equipment
Power line interface 20d can receive high-frequency signal from power line 40, and the high-frequency signal for receiving is sent out
Deliver to the 3rd modem 20c, the 3rd modem 20c to be sent according to the 3rd primary processor 20b
Instruct and the high-frequency signal that receives is demodulated processing, the 3rd modem 20c is by high-frequency signal solution
Network data is adjusted to, and network data is sent to the 3rd primary processor 20b, the 3rd primary processor 20b
Network data is sent the network data for receiving to the 3rd network interface 20a, the 3rd network interface 20a
Send to fourth communication equipment 21, fourth communication equipment 21 carries out weight according to network data and other locomotives
Connection.
Fig. 5 c is another structural representation of third communication equipment of the present invention, on the basis of above-described embodiment,
In the present embodiment, as shown in Figure 5 c, the 3rd power line interface 20d includes：Filter unit 202d；
The high-frequency signal that 3rd modem 20c sends is filtered place by filter unit 202d
Reason, and the high-frequency signal after filtering process is coupled on power line 40 is transmitted, or filter unit
The high-frequency signal received from power line 40 is filtered processing by 202d, and by after filtering process
High-frequency signal is sent to the 3rd modem 20c, can be by the height for receiving by filter unit 202d
Frequency signal and high-frequency signal to be sent filter certain noise, so as to improve the quality of signal.
Further, the 3rd power line interface 20d also includes：Power amplifier 201d, power amplifier
201d is connected with filter unit 202d, and wherein, the 3rd modem 20c is sent out by filter unit 202d
The high-frequency signal for sending is filtered processing, and by the high-frequency signal transmit power amplifier after filtering process
High-frequency signal is carried out power amplification by 201d, power amplifier 201d, and the high-frequency signal of amplification need to have enough
Power be coupled on power line 40, or the height that filter unit 202d will be received from power line 40
Frequency signal is filtered processing, and the high-frequency signal after filtering process is sent to power amplifier 201d
Signal amplification is carried out, the high-frequency signal after amplification is sent the 3rd modem by power amplifier 201d
20c, the 3rd modem 20c are demodulated processing to the signal after amplification.
Finally it should be noted that：Various embodiments above is only in order to illustrating technical scheme rather than right
Which limits；Although being described in detail to the present invention with reference to foregoing embodiments, this area common
Technical staff should be understood：Which still can be modified to the technical scheme described in foregoing embodiments,
Or equivalent is carried out to which part or all technical characteristic；And these modifications or replacement, and
The scope of the essence disengaging various embodiments of the present invention technical scheme of appropriate technical solution is not made.
Claims (8)
1. a kind of locomotive double heading method based on power line carrier communication, it is characterised in that include：
First communication equipment receives the network data that the second communication equipment sends, and wherein, described first leads to
Letter equipment and second communication equipment are located in the first locomotive；
The network data is modulated into high-frequency signal by first communication equipment, and the high frequency is believed
Number third communication equipment is sent to by the power line for locomotive power supply；
The high-frequency signal for receiving is demodulated to network data by the third communication equipment, and will solution
Network data after tune is sent to fourth communication equipment, so that the fourth communication equipment is according to the solution
Network data after tune carries out locomotive double heading, wherein, the third communication equipment and the fourth communication
Equipment is located in the second locomotive.
2. locomotive double heading method according to claim 1, it is characterised in that also include：
The network data that the fourth communication equipment sends is modulated into high frequency letter by the third communication equipment
Number, and the high-frequency signal is sent to first communication equipment by the power line；
The high-frequency signal for receiving is demodulated to network data and will demodulate by first communication equipment
The network data afterwards is sent to second communication equipment so that second communication equipment according to
Network data after the demodulation carries out locomotive double heading.
3. locomotive double heading method according to claim 1 and 2, it is characterised in that described first
Communication equipment includes：First modem and the first power line interface, wherein, first modulation
Demodulator is connected with second communication equipment and first power line interface respectively, first electricity
Line of force interface is connected with the power line；
The network data that second communication equipment sends is modulated into high frequency by first modem
Signal and the high-frequency signal received from first power line interface is demodulated to network data, and
The high-frequency signal that modulation is obtained is sent to first power line interface, and the net that demodulation is obtained
Network data is activation is to second communication equipment；
The high-frequency signal coupling that first modem is sent by first power line interface
It is transmitted on the power line, and by the high-frequency signal received from the power line
Send to first modem.
4. locomotive double heading method according to claim 3, it is characterised in that first communication
Also include in equipment：First network interface and the first primary processor, wherein, the first network interface
Be connected with second communication equipment and first primary processor respectively, first primary processor with
First modem is connected, first modem and the first power line interface phase
Even；
Network data that second communication equipment described in the first network interface sends by the net
Network data is activation is to first primary processor, and receives the net that first primary processor sends
Network data, and the network data is sent to second communication equipment；
First primary processor sends the network data that the first network interface is transmitted to described
One modem, and control first modem that the network data is modulated into high frequency letter
Number；And the high-frequency signal for controlling first modem to receive from the power line is demodulated
Become network data, and the network data that demodulation is obtained is sent to the first network interface；
The control instruction that first modem is sent according to first primary processor will be received
Network data modulated high frequency signal and the high-frequency signal for receiving is demodulated to network data, and will
The high-frequency signal that modulation is obtained is sent to first power line interface, the network data that demodulation is obtained
Send to first primary processor.
5. locomotive double heading method according to claim 3, it is characterised in that the third communication
Equipment includes：3rd modem and the 3rd power line interface, wherein, the 3rd modulation /demodulation
Device is connected with the fourth communication equipment and the 3rd power line interface respectively, the 3rd power line
Interface is connected with the power line；
The network data that the fourth communication equipment sends is modulated into high frequency by the 3rd modem
Signal and the high-frequency signal received from the 3rd power line interface is demodulated to network data, and
The high-frequency signal that modulation is obtained is sent to the 3rd power line interface, and the net that demodulation is obtained
Network data is activation is to the fourth communication equipment；
The high-frequency signal coupling that 3rd modem is sent by the 3rd power line interface
It is transmitted on the power line, and by the high-frequency signal received from the power line
Send to the 3rd modem.
6. locomotive double heading method according to claim 5, it is characterised in that the third communication
Also include in equipment：3rd network interface and the 3rd primary processor, wherein, the 3rd network interface
Be connected with the fourth communication equipment and the 3rd primary processor respectively, the 3rd primary processor with
3rd modem is connected, the 3rd modem and the 3rd power line interface phase
Even；
3rd network interface receives the network data that the fourth communication equipment sends and by the net
Network data is activation is to the 3rd primary processor, and receives the net that the 3rd primary processor sends
Network data simultaneously send the network data to the fourth communication equipment；
3rd primary processor sends the network data that the 3rd network interface sends to described
Three modems, and control the 3rd modem that the network data is modulated into high frequency letter
Number；And control the 3rd modem by the high-frequency signal solution received from the power line
Network data is tuned into, and the network data that demodulation is obtained is sent to the 3rd network interface；
The control instruction that 3rd modem is sent according to the 3rd primary processor will be received
Network data modulated high frequency signal and the high-frequency signal for receiving is demodulated to network data, and will
The high-frequency signal that modulation is obtained is sent to the 3rd power line interface, and the network that demodulation is obtained
Data is activation is to the 3rd primary processor.
7. locomotive double heading method according to claim 5, it is characterised in that first electric power
All include in line interface and the 3rd power line interface：Filter unit；
The high-frequency signal for receiving is filtered processing by the filter unit, and by filtering process
High-frequency signal afterwards is coupled on the power line and is transmitted, or the high frequency after filtering process is believed
Number send to first modem or the 3rd modem.
8. locomotive double heading method according to claim 7, it is characterised in that first electric power
All also include in line interface and the 3rd power line interface：Power amplifier, the power amplifier
It is connected with the filter unit；
The high-frequency signal by after filtering process is coupled on power line and is transmitted, or will filtering
High-frequency signal after process is sent to first modem or the 3rd modem,
Including：
High-frequency signal after the filtering unit filters are processed by the amplifier carries out signal amplification, and
Signal after amplification is coupled on the power line and is transmitted, or the signal after amplification is sent
To first modem or the 3rd modem.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510547903.6A CN106487420A (en) | 2015-08-31 | 2015-08-31 | Locomotive double heading method based on power line carrier communication |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510547903.6A CN106487420A (en) | 2015-08-31 | 2015-08-31 | Locomotive double heading method based on power line carrier communication |
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| CN106487420A true CN106487420A (en) | 2017-03-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510547903.6A Pending CN106487420A (en) | 2015-08-31 | 2015-08-31 | Locomotive double heading method based on power line carrier communication |
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| CN110775286A (en) * | 2018-07-31 | 2020-02-11 | 波音公司 | Maintenance via auxiliary power lines |
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Application publication date: 20170308 |