CN103746784B - Method and system of data communication of wireless reconnection of locomotive - Google Patents
Method and system of data communication of wireless reconnection of locomotive Download PDFInfo
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- CN103746784B CN103746784B CN201410017824.XA CN201410017824A CN103746784B CN 103746784 B CN103746784 B CN 103746784B CN 201410017824 A CN201410017824 A CN 201410017824A CN 103746784 B CN103746784 B CN 103746784B
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- 238000004891 communication Methods 0.000 title claims abstract description 180
- 230000003137 locomotive effect Effects 0.000 title claims abstract description 172
- 238000000034 method Methods 0.000 title claims abstract description 35
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- 230000005540 biological transmission Effects 0.000 description 5
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- 238000013500 data storage Methods 0.000 description 2
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- 238000005516 engineering process Methods 0.000 description 2
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Abstract
The invention discloses a method and a system of data communication of wireless reconnection of a locomotive. The system at least comprises first master control locomotive DTE-L (Data Terminal Equipment-Locomotive-mounted Communication Equipment), first master control locomotive OCE (Operation Control Equipment), second master control locomotive DTE-L, second master control locomotive OCE, slave control locomotive DTE-L and slave control locomotive OCE, wherein the first master control locomotive DTE-L is used for receiving a first master control data service frame, which is transmitted by the first master control locomotive OCE, transmitting the first master control data service frame to the second master control locomotive DTE-L and the slave control locomotive DTE-L, and transmitting a second master control data service frame, which is received from the second master control locomotive DTE-L, to the slave control locomotive DTE-L; the second master control locomotive DTE-L is used for receiving the second master control data service frame, which is transmitted by the second master control locomotive OCE, transmitting the second master control data service frame to the first master control locomotive DTE-L and the slave control locomotive DTE-L, and transmitting the first master control data service frame, which is received from the first master control locomotive DTE-L, to the slave control locomotive DTE-L. According to the method and the system, the safety of data communication of the wireless reconnection of the locomotive and heavy haul railway transportation can be enhanced.
Description
Technical field
The present invention relates to radio communication, in particular it relates to a kind of locomotive wirelessly joins data communications method and system again.
Background technology
Heavy haul railway locomotive includes master control locomotive and slave controller car, is separately installed with master control locomotive and slave controller car vehicle-mounted
Communication equipment and train operation control device.During heavy haul railway locomotive work, master control locomotive and slave controller car are real-time
Ground communication, so that slave controller car is after the instruction that master control locomotive sends is received, can in time take corresponding operation
To ensure heavy haul railway locomotive.
Be the problems of in the prior art be only provided with respectively on master control locomotive and slave controller car it is a set of vehicle-mounted logical
Letter equipment and train operation control device, when communication channel or communication equipment break down, it is impossible to ensure that master control locomotive can
Instruction is sent in time, cannot also ensure that slave controller car can be correctly received the instruction of master control locomotive, cause heavy haul railway
The security of locomotive cannot be ensured.
The content of the invention
Wirelessly join data communications method and system again it is an object of the invention to provide a kind of locomotive, to increase communication system
Reliability, and suitably reduce redundancy.
To achieve these goals, data communication system is wirelessly joined again the invention provides a kind of locomotive, the system is at least
Including the first master control locomotive vehicular communication equipment on master control locomotive, the first master control locomotive train operational control unit,
Second master control locomotive vehicular communication equipment and the second master control locomotive train operational control unit, and on slave controller car
Slave controller car vehicular communication equipment and slave controller car team car operational control unit；The first master control locomotive vehicular communication equipment,
For receiving the first major control data traffic frame that the first master control locomotive train operational control unit sends and by described first
Major control data traffic frame is sent to the second master control locomotive vehicular communication equipment and the slave controller car vehicular communication equipment,
And send to the slave controller car the second major control data traffic frame received from the second master control locomotive vehicular communication equipment
Vehicular communication equipment；The second master control locomotive vehicular communication equipment, for receiving the second master control locomotive train operation control
The second major control data traffic frame that control equipment sends, the second major control data traffic frame is sent to the first master control locomotive
Vehicular communication equipment and the slave controller car vehicular communication equipment, and will be connect from the first master control locomotive vehicular communication equipment
The the first major control data traffic frame received is sent to the slave controller car vehicular communication equipment.
Preferably, the slave controller car vehicular communication equipment includes the first slave controller car vehicular communication equipment and second from control
Locomotive vehicle-mounted communication equipment, the slave controller car team car operational control unit includes the first slave controller car team car operational control unit
With the second slave controller car team car operational control unit.
Preferably, the first slave controller car vehicular communication equipment, for the first major control data industry that will be received
Business frame or the second major control data traffic frame are sent to the first slave controller car team car operational control unit；Described second from
Control locomotive vehicle-mounted communication equipment, for the first major control data traffic frame that will be received or the second major control data business
Frame is sent to the second slave controller car team car operational control unit.
Preferably, the first slave controller car vehicular communication equipment, is additionally operable to first major control data that will be received
Traffic frame or the second major control data traffic frame are sent to the second slave controller car vehicular communication equipment, and described second from control
Locomotive vehicle-mounted communication equipment by the first major control data traffic frame or the second major control data traffic frame send to described second from
Control locomotive train operational control unit；
The second slave controller car vehicular communication equipment, be additionally operable to the first major control data traffic frame that will receive or
The second major control data traffic frame is sent to the first slave controller car vehicular communication equipment, and the first slave controller car is vehicle-mounted
Communication equipment sends to the first slave controller car team the first major control data traffic frame or the second major control data traffic frame
Car operational control unit.
Preferably, the first slave controller car vehicular communication equipment, is additionally operable to abandon the first master control number for receiving
According to traffic frame or the second major control data traffic frame；
The second slave controller car vehicular communication equipment, is additionally operable to abandon the first major control data traffic frame for receiving
Or the second major control data traffic frame.
Preferably, the first slave controller car vehicular communication equipment, is additionally operable to discarding and repeats to receive in the given time
Frame number identical described in the first major control data traffic frame or the second major control data traffic frame；The second slave controller car
Vehicular communication equipment, is additionally operable to abandon the first major control data industry described in the frame number identical for repeating to receive in the given time
Business frame or the second major control data traffic frame.
Preferably, the first master control locomotive vehicular communication equipment, the second master control locomotive vehicular communication equipment and
The slave controller car vehicular communication equipment is LTE communication equipment.
Wirelessly join data communications method again the invention provides a kind of locomotive, the method includes：On master control locomotive
The first master control locomotive vehicular communication equipment receive the first master control that the first master control locomotive train operational control unit sends
Data service frame, the first major control data traffic frame is sent to the second master control locomotive vehicle-mounted on master control locomotive and is led to
Letter equipment and the slave controller car vehicular communication equipment on slave controller car, and will lead to from the second master control locomotive vehicle-mounted
The second major control data traffic frame that letter equipment is received is sent to the slave controller car vehicular communication equipment；And/or second master
Control locomotive vehicle-mounted communication equipment receives the second major control data business that the second master control locomotive train operational control unit sends
Frame, the second major control data traffic frame is sent to the first master control locomotive vehicular communication equipment and the slave controller car
Vehicular communication equipment, and by the first major control data traffic frame received from the first master control locomotive vehicular communication equipment send to
The slave controller car vehicular communication equipment.
Preferably, the slave controller car vehicular communication equipment includes the first slave controller car vehicular communication equipment and second from control
Locomotive vehicle-mounted communication equipment, the slave controller car team car operational control unit includes the first slave controller car team car operational control unit
With the second slave controller car team car operational control unit.
Preferably, the method also includes：First master that the first slave controller car vehicular communication equipment will be received
Control data service frame or the second major control data traffic frame are sent to the first slave controller car team car operational control unit；
And/or the first major control data traffic frame that will receive of the second slave controller car vehicular communication equipment or second master
Control data service frame is sent to the second slave controller car team car operational control unit.
Preferably, the method also includes：First master that the first slave controller car vehicular communication equipment will be received
Control data service frame or the second major control data traffic frame are sent to the second slave controller car vehicular communication equipment, and described the
Two slave controller car vehicular communication equipments send to described first major control data traffic frame or the second major control data traffic frame
Second slave controller car team car operational control unit；And/or described in the second slave controller car vehicular communication equipment will receive
First major control data traffic frame or the second major control data traffic frame are sent to the first slave controller car vehicular communication equipment,
The first slave controller car vehicular communication equipment sends the first major control data traffic frame or the second major control data traffic frame
To the first slave controller car team car operational control unit.
Preferably, the method also includes：The first slave controller car vehicular communication equipment abandons described first for receiving
Major control data traffic frame or the second major control data traffic frame；And/or the second slave controller car vehicular communication equipment is abandoned
The the first major control data traffic frame or the second major control data traffic frame for receiving.
Preferably, the method also includes：The first slave controller car vehicular communication equipment is abandoned and repeated in the given time
First major control data traffic frame described in the frame number identical for receiving or the second major control data traffic frame；And/or it is described
Second slave controller car vehicular communication equipment abandons the first master control described in the frame number identical for repeating to receive in the given time
Data service frame or the second major control data traffic frame.
Preferably, the first master control locomotive vehicular communication equipment, the second master control locomotive vehicular communication equipment and
The slave controller car vehicular communication equipment is LTE communication equipment.
The present invention can strengthen the locomotive security that wirelessly connection data communication and heavy haul railway are transported again, and can reduce
The redundant data that slave controller car team car operational control unit is received, is conducive to the high-speed mobile communications network of such as LTE network to answer
For heavy haul railway transport.
Other features and advantages of the present invention will be described in detail in subsequent specific embodiment part.
Brief description of the drawings
Accompanying drawing is, for providing a further understanding of the present invention, and to constitute the part of specification, with following tool
Body implementation method is used to explain the present invention together, but is not construed as limiting the invention.In the accompanying drawings：
Fig. 1 is that the locomotive that the present invention is provided wirelessly joins data communication system schematic diagram again；
Fig. 2 is the structural representation of the data service frame that the present invention is provided；
Fig. 3 is the data storage area structural representation that the present invention is provided；
Fig. 4 is the redundant data treatment schematic diagram that the present invention is provided.
Description of reference numerals
100 master control locomotives 200 are from controlling 1 locomotive
300 from 2 locomotives 400 of control from controlling 3 locomotives
The master control locomotive OCE of 101 first master control locomotive DTE-L 102 first
The master control locomotive OCE of 103 second master control locomotive DTE-L 104 second
201 first from control 1 locomotive DTE-L 202 second from control 1 locomotive OCE
203 second from control 1 locomotive DTE-L 204 second from control 1 locomotive OCE
301 first from control 2 locomotive DTE-L 302 second from control 2 locomotive OCE
303 second from control 2 locomotive DTE-L 304 second from control 2 locomotive OCE
401 first from control 3 locomotive DTE-L 402 second from control 3 locomotive OCE
403 second from control 3 locomotive DTE-L 404 second from control 3 locomotive OCE
Specific embodiment
Specific embodiment of the invention is described in detail below in conjunction with accompanying drawing.It should be appreciated that this place is retouched
The specific embodiment stated is merely to illustrate and explain the present invention, and is not intended to limit the invention.
In order to improve the security of heavy haul railway communication, the present invention realizes heavy haul railway locomotive by redundant communication system
Wireless reconnection communication system, such as heavy haul railway locomotive wirelessly joins LTE communication system again, but it should be recognized that LTE communication system
System is used only as example, it would however also be possible to employ other communication systems, such as WCDMA communication system.By taking LTE communication system as an example, often
Two sets of LTE vehicle-mounted data communication equipments of platform configuration of locomotives（DTE-L）, in train travelling process, every locomotive A, B end DTE-L sets
It is standby to work simultaneously, while transceiving data.
The locomotive that the present invention is provided wirelessly joins data communication system as shown in figure 1, including master control locomotive 100, Yi Jicong again
Control 1 locomotive 200, from control 2 locomotives 300, from control 4 locomotives 400.Two sets of LTE vehicle-mounted datas communications are provided with master control locomotive 100 to set
It is standby（DTE-L）, respectively positioned at master control locomotive two ends；From 1 locomotive 200 of control, from 2 locomotives 300 of control and from 4 locomotives 400 of control
It is provided with two sets of LTE vehicle-mounted data communication equipments（DTE-L）, respectively positioned at slave controller car two ends.Often set LTE vehicle-mounted datas communication
Equipment（DTE-L）With corresponding train operation control device（OCE）, LTE vehicle-mounted data communication equipments（DTE-L）Grasped with train
Make control device（OCE）By multifunctional vehicle（MVB）Bus communication.
Master control locomotive DTE-L101, for receive the first master control locomotive OCE102 send the first major control data traffic frame simultaneously
The first major control data traffic frame is sent to the second master control locomotive DTE-L103 and slave controller car vehicle-carrying communication and is set
It is standby（For example from 1 locomotive 200- of control from the vehicular communication equipment of 3 locomotives 400 of control）, and will be from the second master control locomotive DTE-
The second major control data traffic frame that L103 is received is sent to slave controller car vehicular communication equipment；The second master control locomotive second is led
Control locomotive DTE-L103, for receiving the second major control data traffic frame that the second master control locomotive OCE104 sends, will be described
Second major control data traffic frame is sent to the first master control locomotive DTE-L101 and slave controller car vehicular communication equipment, and will
The the first major control data traffic frame received from the first master control locomotive DTE-L101 is sent to the slave controller car vehicle-carrying communication
Equipment.
Slave controller car DTE-L include the first slave controller car slave controller car of DTE-L201,301,401 and second DTE-L203,
303rd, 403, the slave controller car team car operational control unit includes the first slave controller car OCE202,302,402 and second from control
Locomotive OCE204,304,404.In this way, because the often set DTE-L of slave controller car can receive two sets of DTE-L of master control locomotive
The identical data traffic frame of transmission, so as to increase the possibility that slave controller car DTE-L receives the data service frame.
First slave controller car DTE-L201,301,401, for by the first major control data traffic frame for receiving or institute
The second major control data traffic frame is stated to send to the first slave controller car OCE202,302,402；The second slave controller car DTE-
L203,303,403, send for the first major control data traffic frame that will be received or the second major control data traffic frame
To the second slave controller car OCE204,304,404.
In order to realize data redundancy to a certain extent, the first slave controller car DTE-L is additionally operable to receive
The first major control data traffic frame or the second major control data traffic frame are sent to the second slave controller car DTE-L, institute
The second slave controller car DTE-L is stated to send to described second first major control data traffic frame or the second major control data traffic frame
Slave controller car OCE；The second slave controller car DTE-L, is additionally operable to the first major control data traffic frame for receiving or institute
State the second major control data traffic frame to send to the first slave controller car DTE-L, the first slave controller car DTE-L leads first
Control data service frame or the second major control data traffic frame are sent to the first slave controller car OCE.In this way, may be used
To cause that the DTE-L in slave controller car one end, the data service frame that can be received are also passed to be located at the slave controller car
The other end DTE-L so that also being capable of basis in time when the DTE-L of the other end is not received by the business data frame
Corresponding action is taken in the instruction of master control locomotive.
Above-mentioned implementation can improve the redundancy of transmission of radio links, while will also result in many bags of row control data
Send and receive.Information, as a example by slave controller car receive information, a frame business datum of master control locomotive OCE are sent with master control locomotive
Can be sent to by the DTE-L equipment at A ends, B ends respectively and eated dishes without rice or wine, many bag masters can be received in slave controller car DTE-L equipment receiving terminal
The identical services frame of control locomotive OCE.The repetition of traffic frame receives the treatment load that can increase row control end, simultaneously because air interface transmission
There are different time delays, same traffic frame reaches row control end, and to there is the regular hour poor, if repeating frame can not be filtered in time, has
Row control end is likely to result in repeat same instruction and endanger traffic safety.Therefore, it is necessary to process the data of redundancy.
In order to process the data of redundancy, the first slave controller car DTE-L201,301,401 are additionally operable to discarding and receive
The first major control data traffic frame or the second major control data traffic frame；The second slave controller car DTE-L203,
303rd, 403, it is additionally operable to abandon the first major control data traffic frame or the second major control data traffic frame for receiving.Pass through
The data for repeating to receive are abandoned, can enable that OCE avoids receiving identical data service frame such that it is able to avoid OCE
Many repeated datas are treated, and avoids that the same instructions danger to be occurred may be repeated.
First slave controller car DTE-L101, is additionally operable to abandon the frame number identical institute for repeating to receive in the given time
State the first major control data traffic frame or the second major control data traffic frame；The second slave controller car DTE-L, is additionally operable to abandon
The first major control data traffic frame or second major control data described in the frame number identical that receives are repeated in the given time
Traffic frame.Abandoning the business data frame for repeating can be accomplished in several ways, and phase is received in the given time by checking
It is a kind of mode for being relatively easy realization with the data service frame of sequence number, such as in the predetermined time（Such as 3s）Inside receive phase
With the data service frame of sequence number, then the data service frame received after abandoning, if it exceeds the scheduled time receive, then it is assumed that
It is a new data traffic frame, corresponding OCE should be sent to.
Above-mentioned communication system is preferably by LET real-time performances, the first master control locomotive DTE-L101, described second
Master control locomotive DTE-L103 and described slave controller car DTE-L201-401,203-403 are LTE communication equipment.
Correspondingly, data communications method is wirelessly joined again the invention provides a kind of locomotive, it is characterised in that the method bag
Include：
The first master control locomotive vehicular communication equipment on master control locomotive receives the first master control locomotive train behaviour
Make the first major control data traffic frame of control device transmission, the first major control data traffic frame is sent to installed in main control computer
The second master control locomotive vehicular communication equipment on car and the slave controller car vehicular communication equipment on slave controller car, and will
The the second major control data traffic frame received from the second master control locomotive vehicular communication equipment sends vehicle-mounted to the slave controller car
Communication equipment；And/or the second master control locomotive vehicular communication equipment receives the second master control locomotive train operational control and sets
The second major control data traffic frame that preparation is sent, the second major control data traffic frame is sent to the first master control locomotive vehicle-mounted
Communication equipment and the slave controller car vehicular communication equipment, and will receive from the first master control locomotive vehicular communication equipment
First major control data traffic frame is sent to the slave controller car vehicular communication equipment.Specific step is not repeated herein, below in detail
Describe the process that redundant data is managed in daylight in detail.
Fig. 2 shows a kind of data service frame memory structure of present invention offer.Data service frame includes frame number, frame
Sequence number excursion：0-255.Carry out redundancy treatment for the ease of slave controller car DTE-L equipment, in data storage business according to
The structure of Fig. 2 is stored, including frame number, timer and data frame.In storage, 256 regions can be divided, respectively
The different business data frame of storage, as shown in Figure 3.
When business data frame is received, the process for carrying out redundancy treatment is as follows：
When receiving the business data frame with specific numbers, the business data frame is sent to corresponding OCE, and start
The corresponding timer of the specific numbers, such as 3s timers, if also received with identical sequence before timer clearing
Number business data frame, then abandon the business data frame that receives later.Why so process, because having sequence number 0-
255 business data frame can be cycled through, and a circulation is probably completed in 3s, so ensure that the slave controller car in 3s
DTE-L only forwards a data service frame to corresponding OCE.It should be noted that for another on identical slave controller car
The data service frame with same sequence number that slave controller car DTE-L is sended over, it is also possible to processed according to identical and abandoned,
If receiving and have sent the data service frame with the sequence number, discardable another slave controller car to corresponding OCE i.e. in 3s
The data service frame with same sequence number that DTE-L is sended over.
Fig. 4 shows the specific embodiment of the scheme provided using the present invention.In this embodiment, using 1.8GHz broadbands
GSM.Test train uses "+1+1, C70 compartments of+58, SS4B types locomotive SS4B type machine of 1 SS4B types locomotive
20,000 tons of unit car organizational systems in+58 C70 compartments of+1 SS4B types locomotive of car ".Master control locomotive and three slave controller cars
On be respectively configured two sets of vehicle data transmission devices.
Redundancy is illustrated as a example by the process that master control locomotive is sent and slave controller car is received during wirelessly contact is united again by locomotive
The processing procedure of communication.Master control locomotive wirelessly contacts system with two sets of locomotives provisioned in slave controller car and works simultaneously again, enters in real time
Row data communication.Master control locomotive side a and b DTE-L equipment sends the data frame of frame number 1, slave controller car side a and b simultaneously
DTE-L equipment can simultaneously receive the data frame of two frame frame numbers 1, and DTE-L equipment can by above-mentioned redundant data processing scheme
Effectively to ensure that the data service frame that 1 frame frame number is 1 only is transmitted into OCE equipment in 3s such that it is able to complete main control computer
Car sends the reception of instruction and the discarding of redundant data.
The preferred embodiment of the present invention is described in detail above in association with accompanying drawing, but, the present invention is not limited to above-mentioned reality
The detail in mode is applied, in range of the technology design of the invention, various letters can be carried out to technical scheme
Monotropic type, these simple variants belong to protection scope of the present invention.
It is further to note that each particular technique feature described in above-mentioned specific embodiment, in not lance
In the case of shield, can be combined by any suitable means.In order to avoid unnecessary repetition, the present invention to it is various can
The combination of energy is no longer separately illustrated.
Additionally, can also be combined between a variety of implementation methods of the invention, as long as it is without prejudice to originally
The thought of invention, it should equally be considered as content disclosed in this invention.
Claims (12)
1. a kind of locomotive wirelessly joins data communication system again, it is characterised in that the system at least includes being arranged on master control locomotive
The first master control locomotive vehicular communication equipment, the first master control locomotive train operational control unit, the second master control locomotive vehicle-carrying communication
Equipment and the second master control locomotive train operational control unit, and the slave controller car vehicular communication equipment on slave controller car
With slave controller car team car operational control unit；
The first master control locomotive vehicular communication equipment, sends for receiving the first master control locomotive train operational control unit
The first major control data traffic frame and the first major control data traffic frame is sent to the second master control locomotive vehicle-carrying communication
Equipment and the slave controller car vehicular communication equipment, and second for being received from the second master control locomotive vehicular communication equipment
Major control data traffic frame is sent to the slave controller car vehicular communication equipment；
The second master control locomotive vehicular communication equipment, sends for receiving the second master control locomotive train operational control unit
The second major control data traffic frame, the second major control data traffic frame is sent to the first master control locomotive vehicle-carrying communication and is set
Standby and described slave controller car vehicular communication equipment, and the first master that will be received from the first master control locomotive vehicular communication equipment
Control data service frame is sent to the slave controller car vehicular communication equipment；
Wherein, the slave controller car vehicular communication equipment includes the first slave controller car vehicular communication equipment and the second slave controller car car
Carry communication equipment；
The first slave controller car vehicular communication equipment, for the first major control data traffic frame that will be received or described
Two major control data traffic frames are sent to the second slave controller car vehicular communication equipment；
The second slave controller car vehicular communication equipment, for the first major control data traffic frame that will be received or described
Two major control data traffic frames are sent to the first slave controller car vehicular communication equipment；
The first slave controller car vehicular communication equipment, is additionally operable to abandon the first major control data traffic frame or the institute for receiving
State the second major control data traffic frame；
The second slave controller car vehicular communication equipment, is additionally operable to abandon the first major control data traffic frame or the institute for receiving
State the second major control data traffic frame；
Wherein, the data service frame include frame number, timer and data frame, the slave controller car vehicular communication equipment,
When being additionally operable to receive the business data frame with specific numbers, the business data frame is sent to corresponding slave controller car team
Car operational control unit, and start the corresponding timer of the specific numbers, institute was received again before timer clearing
When stating the business data frame with same sequence number, the business data frame with same sequence number is received described in discarding again.
2. system according to claim 1, it is characterised in that the slave controller car team car operational control unit includes first
Slave controller car team car operational control unit and the second slave controller car team car operational control unit.
3. system according to claim 2, it is characterised in that the first slave controller car vehicular communication equipment, for will
The the first major control data traffic frame or the second major control data traffic frame for receiving are sent to the first slave controller car
Train operation control device；
The second slave controller car vehicular communication equipment, for the first major control data traffic frame that will be received or described
Two major control data traffic frames are sent to the second slave controller car team car operational control unit.
4. system according to claim 3, it is characterised in that the second slave controller car vehicular communication equipment, is additionally operable to
By the first major control data traffic frame received from the first slave controller car vehicular communication equipment or second major control data
Traffic frame is sent to the second slave controller car team car operational control unit；
The first slave controller car vehicular communication equipment, is additionally operable to be received from the second slave controller car vehicular communication equipment
The first major control data traffic frame or the second major control data traffic frame send to the first slave controller car train operation control
Control equipment.
5. system according to claim 1, it is characterised in that the first slave controller car vehicular communication equipment, is additionally operable to
Abandon the first major control data traffic frame or second master control described in the frame number identical for repeating to receive in the given time
Data service frame；
The second slave controller car vehicular communication equipment, is additionally operable to abandon the frame number for repeating to receive in the given time identical
The first major control data traffic frame or the second major control data traffic frame.
6. system according to claim 1, it is characterised in that the first master control locomotive vehicular communication equipment, described
Two master control locomotive vehicular communication equipments and the slave controller car vehicular communication equipment are LTE communication equipment.
7. a kind of locomotive wirelessly joins data communications method again, it is characterised in that the method includes：
The first master control locomotive vehicular communication equipment on master control locomotive receives the first master control locomotive train operation control
The first major control data traffic frame that control equipment sends, the first major control data traffic frame is sent on master control locomotive
The second master control locomotive vehicular communication equipment and the slave controller car vehicular communication equipment on slave controller car, and will be from institute
The the second major control data traffic frame for stating the reception of the second master control locomotive vehicular communication equipment is sent to the slave controller car vehicle-carrying communication
Equipment；And/or
The second master control locomotive vehicular communication equipment receive that the second master control locomotive train operational control unit sends the
Two major control data traffic frames, by the second major control data traffic frame send to the first master control locomotive vehicular communication equipment with
And the slave controller car vehicular communication equipment, and the first master control number that will be received from the first master control locomotive vehicular communication equipment
Sent to the slave controller car vehicular communication equipment according to traffic frame；
Wherein, the slave controller car vehicular communication equipment includes the first slave controller car vehicular communication equipment and the second slave controller car car
Carry communication equipment；
The first major control data traffic frame or second master that the first slave controller car vehicular communication equipment will be received
Control data service frame is sent to the second slave controller car vehicular communication equipment；And/or
The first major control data traffic frame or second master that the second slave controller car vehicular communication equipment will be received
Control data service frame is sent to the first slave controller car vehicular communication equipment；
The first slave controller car vehicular communication equipment abandons the first major control data traffic frame or described second for receiving
Major control data traffic frame；And/or
The second slave controller car vehicular communication equipment abandons the first major control data traffic frame or described second for receiving
Major control data traffic frame；
Wherein, the data service frame include frame number, timer and data frame, the slave controller car vehicular communication equipment,
When being additionally operable to receive the business data frame with specific numbers, the business data frame is sent to corresponding slave controller car team
Car operational control unit, and start the corresponding timer of the specific numbers, institute was received again before timer clearing
When stating the business data frame with same sequence number, the business data frame with same sequence number is received described in discarding again.
8. method according to claim 7, it is characterised in that the slave controller car team car operational control unit includes first
Slave controller car team car operational control unit and the second slave controller car team car operational control unit.
9. method according to claim 8, it is characterised in that the method also includes：
The first major control data traffic frame or second master that the first slave controller car vehicular communication equipment will be received
Control data service frame is sent to the first slave controller car team car operational control unit；And/or
The first major control data traffic frame or second master that the second slave controller car vehicular communication equipment will be received
Control data service frame is sent to the second slave controller car team car operational control unit.
10. method according to claim 9, it is characterised in that the method also includes：
The second slave controller car vehicular communication equipment will be received from the first slave controller car vehicular communication equipment first
Major control data traffic frame or the second major control data traffic frame are sent to the second slave controller car team car operational control unit；
And/or
The first slave controller car vehicular communication equipment will be received from the second slave controller car vehicular communication equipment first
Major control data traffic frame or the second major control data traffic frame are sent to the first slave controller car team car operational control unit.
11. methods according to claim 10, it is characterised in that the method also includes：
The first slave controller car vehicular communication equipment is abandoned described in the frame number identical for repeating to receive in the given time
First major control data traffic frame or the second major control data traffic frame；And/or
The second slave controller car vehicular communication equipment is abandoned described in the frame number identical for repeating to receive in the given time
First major control data traffic frame or the second major control data traffic frame.
12. methods according to claim 7, it is characterised in that the first master control locomotive vehicular communication equipment, described
Two master control locomotive vehicular communication equipments and the slave controller car vehicular communication equipment are LTE communication equipment.
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| CN107517093B (en) * | 2017-08-23 | 2019-10-18 | 中国神华能源股份有限公司 | The wireless data processing method and apparatus of wireless multi-locomotive |
| CN108551425A (en) * | 2018-03-14 | 2018-09-18 | 固高科技(深圳)有限公司 | Data transmission system, method based on Industrial Ethernet and communication equipment |
| CN116055242A (en) * | 2021-10-28 | 2023-05-02 | 株洲中车时代电气股份有限公司 | Method, device, equipment and storage medium for transmitting train bus data |
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