CN109561116A - Obtain the method and Train Control and diagnostic system of low-floor train fault data - Google Patents
Obtain the method and Train Control and diagnostic system of low-floor train fault data Download PDFInfo
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- CN109561116A CN109561116A CN201710880597.7A CN201710880597A CN109561116A CN 109561116 A CN109561116 A CN 109561116A CN 201710880597 A CN201710880597 A CN 201710880597A CN 109561116 A CN109561116 A CN 109561116A
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- failure
- wireless transmission
- transmission unit
- event
- data
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/02—Arrangements for optimising operational condition
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/06—Protocols specially adapted for file transfer, e.g. file transfer protocol [FTP]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
- H04W84/10—Small scale networks; Flat hierarchical networks
- H04W84/12—WLAN [Wireless Local Area Networks]
Abstract
The invention discloses a kind of method for obtaining low-floor train fault data and Train Control and diagnostic system, this method, which includes earth module, sends data transfer instruction to wireless transmission unit;Data transfer instruction is transmitted to failure and event recording unit by wireless transmission unit;Failure and the transmission of event recording unit response data instruct, and the failure of train and event data are uploaded to wireless transmission unit based on ftp file transfer protocol;Wireless transmission unit is based on ftp file transfer protocol and failure and event data is uploaded to earth module.This method can guarantee the reliability of failure and event data transmission, improve the efficiency of file transmission.
Description
Technical field
The invention belongs to low-floor networked control system of the train and diagnostic techniques field more particularly to a kind of acquisition low-floor train
The method and Train Control and diagnostic system of fault data.
Background technique
The advantages that low-floor train is with its low cost, energy conservation and environmental protection, is more and more widely used.On the one hand, by
It can be directly laid on existing road in the track of low-floor train, short time limit, pollution is few, and vehicle is stopped on ground, thus
The construction cost of operating system can be significantly reduced.And on the other hand, since low-floor train is usually stopped in ground,
More requirements are proposed to the monitoring of real time fail and event in its operational process.
It is provided with failure recording device on low-floor train, it, can be with for recording failure and event on vehicle in real time
Failure and event data are played back, the monitoring of failure and event is carried out with the operation to train.Event is obtained in the prior art
The method of barrier and event data, the mainly anchor point in each train hold downloading equipment to failure and event by staff
Data are downloaded, and the data of downloading are uploaded to ground Central Control Center later, and this method is a large amount of due to needing
Staff step on Che Zhihang, therefore efficiency is lower, and its human cost is very important.
How in the case where not increasing hardware device, how using vehicle existing equipment quickly, efficiently and accurately by vehicle
Failure and logout information on are transferred to ground control centre as technical problem urgently to be resolved.
Summary of the invention
The first technical problem to be solved by the present invention be need to provide it is a kind of quickly, efficiently and accurately will be on vehicle
Failure and logout information are transferred to the data transmission method of ground control centre.
In order to solve the above-mentioned technical problem, embodiments herein provides firstly a kind of acquisition low-floor train fault number
According to method, low-floor Train Control and diagnostic system, the low-floor are provided between the low-floor train and ground
Train Control and diagnostic system include vehicle module and earth module, and between the vehicle module and the earth module
There is WLAN in administration, and the vehicle module includes failure and event recording unit and wireless transmission unit, and in the failure
It is deployed with Ethernet between event recording unit and the wireless transmission unit, this method comprises:
The earth module sends data transfer instruction to the wireless transmission unit;
The data transfer instruction is transmitted to the failure and event recording unit by the wireless transmission unit;
The failure and event recording unit respond the data transfer instruction, and will be arranged based on ftp file transfer protocol
The failure and event data of vehicle are uploaded to the wireless transmission unit;
The wireless transmission unit is based on ftp file transfer protocol and the failure and event data is uploaded to the ground
Module.
Preferably, before the earth module sends data transfer instruction to the wireless transmission unit, further includes:
After the low-floor train enters the coverage area of the WLAN, the wireless transmission unit is to described
The network signal of WLAN is detected, and actively establishes nothing with the earth module after detecting the network signal
Line connection.
Preferably, after the wireless transmission unit and the earth module set up wireless connection, further includes:
The wireless transmission unit sends its Intranet information in the Ethernet, the Intranet to the earth module
Information includes the train number of the IP address of the FTP in the wireless transmission unit, user name, password and the low-floor train
With drivers' cab number.
Preferably, the data transfer instruction is transmitted to the failure and logout list by the wireless transmission unit
Member specifically includes:
The wireless transmission unit parses the data transfer instruction, and by the data transfer instruction weight after parsing
The failure and event recording unit are sent to after new packing.
Preferably, the failure and event recording unit respond the data transfer instruction, specifically include:
The data transfer instruction after repacking is received, carries out at it to the wireless transmission unit and sends failure and event
After the preparation of data, Xiang Suoshu wireless transmission unit sends handshake authentication information.
Preferably, after the wireless transmission unit receives the handshake authentication information, further includes:
The earth module is sent to after the handshake authentication information is repacked;
The earth module parses the handshake authentication information, and parsed to wireless transmission unit feedback
As a result, to inform that failure described in the wireless transmission unit and event recording unit are ready for the failure and event number
According to transmission.
Preferably, the failure of train and event data are uploaded to the wireless biography in the failure and event recording unit
After defeated unit, further includes:
The failure and event recording unit send first to the wireless transmission unit and are transmitted instruction;
The wireless transmission unit is transmitted described first after instruction is repacked and is sent to the earth module;
The earth module is transmitted instruction to described first and parses, and feeds back and solve to the wireless transmission unit
Analysis as a result, to inform failure described in the wireless transmission unit and the failure and event data is completed in event recording unit
Upload.
Preferably, after the failure and event data are uploaded to the earth module by the wireless transmission unit, also
Include:
The wireless transmission unit sends second to the earth module and is transmitted instruction, to inform the earth module
Its upload that the failure and event data is completed.
Preferably, between the wireless transmission unit and the earth module and the wireless transmission unit and it is described therefore
Between barrier and event recording unit, it is based on TCP/IP communication agreement and carries out instruction in addition to the failure and event data
Transmission.
Embodiments herein additionally provides a kind of low-floor Train Control and diagnostic system, including vehicle module and ground
Module, is deployed with WLAN between the vehicle module and the earth module, and the vehicle module further comprises
Failure and event recording unit and wireless transmission unit, the failure and event recording unit and the wireless transmission unit it
Between be deployed with Ethernet, wherein
The failure and event recording unit are configured as recording the failure and event data of the low-floor train in real time,
And the failure and event data are uploaded to by the wireless transmission unit based on ftp file transfer protocol;
The wireless transmission unit is configured as being uploaded to the failure with event data based on ftp file transfer protocol
The earth module;
The earth module is configured as receiving the failure and event data based on ftp file transfer protocol, and according to
The failure and event data carry out fault diagnosis and control to the low-floor train.
Compared with prior art, one or more embodiments in above scheme can have following advantage or beneficial to effect
Fruit:
It is established by being based on handshake mechanism between failure and event recording unit, wireless transmission unit and earth module
Three Party Communication connection, and using wireless transmission unit as intermediary, failure and event data are uploaded based on ftp file transfer protocol, into
And ensure that the reliability of failure and event data transmission, improve the efficiency of file transmission.
Other advantages, target and feature of the invention will be illustrated in the following description to a certain extent, and
And to a certain extent, based on will be apparent to those skilled in the art to investigating hereafter, Huo Zheke
To be instructed from the practice of the present invention.Target and other advantages of the invention can be wanted by following specification, right
Specifically noted structure is sought in book and attached drawing to be achieved and obtained.
Detailed description of the invention
Attached drawing is used to provide to the technical solution of the application or further understanding for the prior art, and constitutes specification
A part.Wherein, the attached drawing for expressing the embodiment of the present application is used to explain the technical side of the application together with embodiments herein
Case, but do not constitute the limitation to technical scheme.
Fig. 1 is according to the low-floor Train Control of the embodiment of the present invention and the structural schematic diagram of diagnostic system;
Fig. 2 is the flow diagram according to the method for the acquisition low-floor train fault data of the embodiment of the present invention;
Fig. 3 be according to the failure of the embodiment of the present invention and event recording unit, wireless transmission unit and ground-based server it
Between the timing diagram that is communicated.
Specific embodiment
Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings and examples, how to apply to the present invention whereby
Technological means solves technical problem, and the realization process for reaching relevant art effect can fully understand and implement.This Shen
Please each feature in embodiment and embodiment, can be combined with each other under the premise of not colliding, be formed by technical solution
It is within the scope of the present invention.
Fig. 1 is according to the low-floor Train Control of the embodiment of the present invention and the structural schematic diagram of diagnostic system.The present invention is real
It applies in example, based on the wireless transmitting system structural low plate Train Control and diagnostic system carried on existing low-floor train, uses
It is transmitted in the failure to train with event data, to realize control and fault diagnosis to panel vehicle.
Existing train radio Transmission system is mainly used in train automatic protection, automatic train operation, train automatic monitoring,
Train automatic Pilot, vehicle scheduling commander simultaneously provide information to vehicle scheduling person and outside vehicle equipment, mostly trackside equipment into
Row detection is monitored website situation and designs, and is substantially carried out orbit information management and uploads, is not exclusively for ground
The equipment that monitoring operation center uses, meanwhile, this system is primarily upon train rail operating condition and optimization train operation, and
And the network manager of non-vehicle itself, cannot meet the needs of ground control centre is to train operation failure and event-monitoring.
As shown in Figure 1, being provided with mobile unit (vehicle module 1) on low-floor train, it is provided with ground on the ground
Equipment (earth module 2) is deployed with WLAN 3 between vehicle module 1 and earth module 2.WLAN 3 meets
The standard of IEEE802.11, for the communication between vehicle module 1 and earth module 2.
In embodiments of the present invention, failure and event recording unit are set directly on the vehicle module 1 of low-floor train
11 with wireless transmission unit 12, and dispose Ethernet between failure and event recording unit 11 and wireless transmission unit 12
13, failure and event recording unit 11 and wireless transmission unit 12 can transmit data and instruction by Ethernet 13.
Wherein, failure and event recording unit 11 can record the failure and event data of low-floor train in real time, these
Failure can generally be stored in the form of a file with event data.Failure and event recording unit 11 can pass through Ethernet 13
The failure of record and event data are uploaded to wireless transmission unit 12.12 one side of wireless transmission unit can be via Ethernet
13 receive the failure and event data of train, and on the other hand, wireless transmission unit 12 has wireless communication function, can pass through nothing
Line local area network 3 and earth module 2, which are established, to be wirelessly connected, and via WLAN 3 by the failure and thing of received train
Number of packages evidence is sent to earth module 2.In the present embodiment, failure and event recording unit are realized by wireless transmission unit 12
The transmission of failure and event data between 11 and earth module 2.
As shown in Figure 1, earth module 2 can also be further provided with ground-based server 21 and wireless access point 22,
Ethernet 23 is deployed between ground-based server 21 and wireless access point 22.Wherein, wireless access point 22 is responsible for connect with it
The ground-based server 21 connect accesses WLAN 3, and is further led to the wireless transmission unit 12 on vehicle module 1
Letter.Ground-based server 21 is mainly used for receiving failure and event data from wireless transmission unit 12, and in transmission fault and thing
Number of packages required control instruction during, and according to failure and event data to low-floor train carry out fault diagnosis with
Control.
It is easily understood that those skilled in the art can according to the technological means known to it to earth module 2 and its
Ground-based server 21, wireless access point 22 are built, in the embodiment of the present invention without limitation to it.
In addition, the failure and event recording unit 11 and wireless transmission unit 12 in the embodiment of the present invention can use now
There is the mobile unit of low-floor train to directly constitute, the ground-based server 21 for receiving failure and event data can also be direct
It is constructed using the ground-based server of the ground control centre in existing Rail Transit System, therefore, it is possible to reduce wireless transmission
The hardware purchase expense of system reduces system cost.
Based on above-mentioned low-floor Train Control and diagnostic system, a kind of acquisition low-floor also proposed in the embodiment of the present invention
The method of train fault data, as shown in Fig. 2, this method comprises the following steps:
Step S210, earth module (ground-based server) sends data transfer instruction to wireless transmission unit.
Step S220, data transfer instruction is transmitted to failure and event recording unit by wireless transmission unit.
Step S230, failure and the transmission of event recording unit response data instruct, and will be arranged based on ftp file transfer protocol
The failure and event data of vehicle are uploaded to wireless transmission unit.
Step S240, wireless transmission unit is based on ftp file transfer protocol and failure and event data is uploaded to ground face mould
Block (ground-based server).
In embodiments of the present invention, using wireless transmission unit 12 as intermediary, by the failure of train and event data point
Two steps are uploaded to earth module 2, i.e., in ground-based server 21.Wherein, 12 active of wireless transmission unit establishes nothing with earth module 2
Line connection, the crossing in two steps of failure and event data are based on ftp file transfer protocol completion, and remove failure and event
The transmission of instruction except data is then carried out based on TCP/IP communication agreement.In 12 active of wireless transmission unit and earth module 2
Before carrying out wireless communication, wireless transmission unit 12 can assist complete between failure and event recording unit 11 and ground-based server 21
It is authenticated at three-way handshake.It elaborates below in conjunction with specific embodiments.
It is logical that Fig. 3 carries out tripartite between failure and event recording unit 11, wireless transmission unit 12 and ground-based server 21
The timing diagram of letter.
Firstly, wireless transmission unit 12 will be to WLAN 3 after train enters the coverage area of WLAN 3
Network signal detected.After wireless transmission unit 12 detects network signal, active and ground-based server 21 are established
It is wirelessly connected, as shown in step S301 in Fig. 3.It is equivalent to wireless transmission unit 12 and assists failure and event recording unit 11 and ground
Face server 21 carries out first time handshake authentication.
After setting up wireless connection with ground-based server 21, wireless transmission unit 12 first can server 21 to the ground
Report that it connects normal information, wireless transmission unit 12 can also send its some Intranet information in vehicle-mounted Ethernet 13
To ground-based server 21.
In one embodiment of the invention, these Intranet information can include but is not limited in wireless transmission unit 12
The IP address of FTP, user name, the train number of password and its affiliated low-floor train and drivers' cab number etc..
Ground-based server 21 will be sent to it data transfer instruction, such as after determining that wireless transmission unit 12 connects normally
In Fig. 3 shown in step S302.
Wireless transmission unit 12 will parse the data transfer instruction after receiving the data transfer instruction,
To know the content of the data transfer instruction, and the data transfer instruction after parsing is repacked.It is referred to herein to repack,
Main includes the format of change data packet.In embodiments of the present invention, between wireless transmission unit 12 and ground-based server 21
The data packet of communication between the format and wireless transmission unit 12 and failure and event recording unit 11 of the data packet of communication
Format is not identical, and therefore, it is necessary to repack to the data of forwarding.
Next, the data transfer instruction after repacking is transmitted to failure and logout list by wireless transmission unit 12
Member 11, as shown in step S303 in Fig. 3.Being equivalent to wireless transmission unit 12 assists failure and event recording unit 11 and ground to take
Business device 21 carries out second handshake certification.
Failure responds the instruction after receiving the data transfer instruction with event recording unit 11.Specific packet
It includes, if failure and event recording unit 11 are ready for sending the standard of failure and event data to wireless transmission unit 12 at this time
It is standby, then handshake authentication information is sent to wireless transmission unit 12, as shown in step S304 in Fig. 3.
Wireless transmission unit 12 can't parse the information after receiving the handshake authentication information, but straight
It connects and information is repacked, and by the data forwarding after repacking to ground-based server 21, such as step S305 institute in Fig. 3
Show.
That is, in embodiments of the present invention, wireless transmission unit 12 is to the failure and event recording unit received
The information come transmitted by 11, is the mode for the transparent transmission taken, i.e., only changes the format of data packet, and not to the tool of information
The content of body is parsed.Wireless transmission unit 12 is intended only as forwarding intermediary, after the completion of this forwarding, it is not clear that therefore
What barrier and the concrete operations of event recording unit 11 are.This transparent transmission mode is conducive to improve the forwarding of wireless transmission unit 12
Efficiency, and then improve the efficiency of failure and event data transmission.And be conducive to simplify the function of wireless transmission unit 12, reduce it
Manufacturing cost.
Ground-based server 21 will shake hands to this after receiving the handshake authentication information that the forwarding of wireless transmission unit 12 comes
Authentication information is parsed.By parsing as a result, ground-based server 21 will know failure and event recording unit 11 at this time
Through being ready to, and the upload that failure and event data will be carried out.It is equivalent to wireless transmission unit 12 and assists failure and logout
Unit 11 and ground-based server 21 carry out third time handshake authentication.
In embodiments of the present invention, recognized between failure and event recording unit 11 and ground-based server 21 by three-way handshake
Card establishes connection, carries out the transmission of failure and event data, improves the reliability of data transmission.
The result of parsing can also be fed back to wireless transmission unit 12 by ground-based server 21, to inform wireless transmission unit 12
Failure and event recording unit 11 have been prepared for carrying out the transmission of failure and event data, as shown in step S306 in Fig. 3.Thing
In reality, failure and event recording unit 11 will be opened actively after having sent handshake authentication information to wireless transmission unit 12
Begin to upload failure and event data to wireless transmission unit 12, without waiting until that ground-based server 21 will be to handshake authentication information
Parsing result uploads again after feeding back to wireless transmission unit 12, this is conducive to the efficiency for improving failure and event data transmission.
Next, failure will be uploaded based on ftp file transfer protocol to wireless transmission unit 12 with event recording unit 11
The failure and event data of train.At this point, failure and event recording unit 11 are equivalent to ftp client, wireless transmission unit 12
It is equivalent to ftp server end.The port numbers of FTP communication are 21.
The failure of train and event data are all uploaded to wireless transmission unit 11 in failure and event recording unit 11
Later, first is sent to wireless transmission unit 11 and be transmitted instruction, as shown in step S307 in Fig. 3.
Likewise, wireless transmission unit 12 receive this first be transmitted instruction after, which can't be carried out
Parsing, but directly instruction is repacked, and by the data forwarding after repacking to ground-based server 21, such as Fig. 3
Shown in middle step S308, i.e., instruction is transmitted by first and passes through ground-based server 21.
Ground-based server 21, will be to this after receiving wireless transmission unit 12 and next first is forwarded to be transmitted instruction
First, which is transmitted instruction, is parsed.By parsing as a result, ground-based server 21 will know failure and event recording unit
11 have completed the upload of failure and event data.
Next, the result of parsing can be fed back to wireless transmission unit 12 by ground-based server 21, to inform wireless transmission
12 failure of unit and event recording unit 11 have completed the upload of failure and event data, as shown in step S309 in Fig. 3.
Wireless transmission unit 12 will be based on FTP after receive the feedback of ground-based server 21 first is transmitted instruction
File Transfer Protocol actively to the ground server 21 upload train failure and event data.At this point, 12 phase of wireless transmission unit
When in ftp client, ground-based server 21 is equivalent to ftp server end.The port numbers of FTP communication are 21.
After the failure of train and event data are all uploaded to ground-based server 21 by wireless transmission unit 12, Xiang Di
Face server 21 sends second and is transmitted instruction, and as shown in step S310 in Fig. 3, to inform ground-based server 21, it is completed
The upload of failure and event data.Failure and event recording unit 11, wireless transmission unit 12 and 21 tripartite of ground-based server it
Between communication process terminate.Ground-based server 21 stores the failure received with event data in the form of a file, with
Convenient for subsequent analysis.
Be for example, 13***/TC1/ filename by failure and event data storage in ground-based server 21,
The forms such as 13***/TC2/ filename, wherein 13*** indicates train number, such as 13025.TC1 or TC2 indicates different drivers
Room number, such as corresponding 1 vehicle of TC1, corresponding 6 car lights of TC2.
In a specific embodiment of the invention, the second data, which are transmitted in instruction, further includes and the failure and thing
Number of packages is according to corresponding train number and drivers' cab number and corresponding filename.
In above-mentioned communication process, the form that failure and event log data are all made of file is transmitted and is stored, this has
Conducive to the integrality for guaranteeing failure and event log data.
In addition, in above-mentioned communication process, in addition to uploading failure and event data based on ftp file transfer protocol, equal base
It is communicated in TCP/IP communication agreement, transmits corresponding control instruction, the port numbers of TCP communication are 8000.
In an embodiment of the present invention, due in failure and event recording unit 11, wireless transmission unit 12 and ground
Communication between server 21 uses handshake mechanism, therefore ensure that the reliability of data transmission.Simultaneously as using
Ftp file transfer protocol carries out the transmission of failure and event data, therefore improves the efficiency of file transmission.
Low-floor Train Control and diagnostic system proposed in the embodiment of the present invention are set not increasing vehicle existing hardware
In the case where standby, it is based on existing train radio Transmission system, it, will be during being run between two stations within the period of train dwelling
Event and transmitting fault information to ground control centre, both do not increase the construction cost of vehicle and ground system, in turn ensure
Mass data can rapidly and accurately download to ground control centre.
In the prior art, since in the route operational process of entire low-floor train, multiple row vehicle is schemed in operation simultaneously
Upper operation, vehicle parking website is very more, and therefore, ground Central Control Center needs to monitor the event and failure letter of every train
Breath, data volume will be very huge, and also to guarantee the normal operation of train simultaneously, these are almost impossible to be controlled by ground center
Center processed is completed, or guarantees its reliability.
And low-floor Train Control and diagnostic system in the embodiment of the present invention, it can be to all subscriber devices of full train
Fault upload, the function of fault diagnosis are carried out, and the failure of all subsystems and event information are reported to ground control in time
The safety traffic of train has been effectively ensured in center.
Although disclosed herein embodiment it is as above, the content is only to facilitate understanding the present invention and adopting
Embodiment is not intended to limit the invention.Any those skilled in the art to which this invention pertains are not departing from this
Under the premise of the disclosed spirit and scope of invention, any modification and change can be made in the implementing form and in details,
But scope of patent protection of the invention, still should be subject to the scope of the claims as defined in the appended claims.
Claims (10)
1. a kind of method for obtaining low-floor train fault data, is provided with low-floor between the low-floor train and ground
Train Control and diagnostic system, the low-floor Train Control and diagnostic system include vehicle module and earth module, and in institute
It states and is deployed with WLAN between vehicle module and the earth module, the vehicle module includes failure and logout list
Member and wireless transmission unit, and ether is deployed between the failure and event recording unit and the wireless transmission unit
Net, this method comprises:
The earth module sends data transfer instruction to the wireless transmission unit;
The data transfer instruction is transmitted to the failure and event recording unit by the wireless transmission unit;
The failure and event recording unit respond the data transfer instruction, and based on ftp file transfer protocol by train
Failure and event data are uploaded to the wireless transmission unit;
The wireless transmission unit is based on ftp file transfer protocol and the failure and event data is uploaded to described ground face mould
Block.
2. the method according to claim 1, wherein being sent in the earth module to the wireless transmission unit
Before data transfer instruction, further includes:
After the low-floor train enters the coverage area of the WLAN, the wireless transmission unit is to described wireless
The network signal of local area network is detected, and is actively wirelessly connected with earth module foundation after detecting the network signal
It connects.
3. according to the method described in claim 2, it is characterized in that, being established in the wireless transmission unit and the earth module
It rises after being wirelessly connected, further includes:
The wireless transmission unit sends its Intranet information in the Ethernet, the Intranet information to the earth module
The train number of IP address, user name, password and the low-floor train including the FTP in the wireless transmission unit and department
Machine room number.
4. the method according to claim 1, wherein the wireless transmission unit turns the data transfer instruction
The failure and event recording unit are issued, is specifically included:
The wireless transmission unit parses the data transfer instruction, and the data transfer instruction after parsing is beaten again
The failure and event recording unit are sent to after packet.
5. according to the method described in claim 4, it is characterized in that, the failure and event recording unit respond the data biography
Defeated instruction, specifically includes:
The failure and event recording unit receive the data transfer instruction after repacking, and carry out to the wireless transmission at it
After unit sends the preparation of failure and event data, Xiang Suoshu wireless transmission unit sends handshake authentication information.
6. according to the method described in claim 5, it is characterized in that, receiving the handshake authentication in the wireless transmission unit
After information, further includes:
The wireless transmission unit is sent to the earth module after repacking the handshake authentication information;
The earth module parses the handshake authentication information, and the knot parsed to wireless transmission unit feedback
Fruit, to inform that failure described in the wireless transmission unit and event recording unit are ready for the failure and event data
Transmission.
7. method according to any one of claim 1 to 6, which is characterized in that in the failure and event recording unit
After the failure of train and event data are uploaded to the wireless transmission unit, further includes:
The failure and event recording unit send first to the wireless transmission unit and are transmitted instruction;
The wireless transmission unit is transmitted described first after instruction is repacked and is sent to the earth module;
The earth module is transmitted instruction to described first and parses, and parsed to wireless transmission unit feedback
As a result, to inform that the upper of the failure and event data is completed in failure described in the wireless transmission unit and event recording unit
It passes.
8. method according to any one of claim 1 to 7, which is characterized in that the wireless transmission unit will be described
After failure and event data are uploaded to the earth module, further includes:
The wireless transmission unit sends to the earth module and second is transmitted instruction, with inform the earth module its
Complete the upload of the failure and event data.
9. method according to any one of claim 1 to 8, which is characterized in that the wireless transmission unit is with described
Between face mould block and between the wireless transmission unit and the failure and event recording unit, it is based on TCP/IP communication association
View carries out the transmission of the instruction in addition to the failure and event data.
10. a kind of low-floor Train Control and diagnostic system, including vehicle module and earth module, in the vehicle module and institute
It states and is deployed with WLAN between earth module, the vehicle module further comprises failure and event recording unit and wireless
Transmission unit is deployed with Ethernet between the failure and event recording unit and the wireless transmission unit, wherein
The failure and event recording unit are configured as recording the failure and event data of the low-floor train, and base in real time
The failure and event data are uploaded to the wireless transmission unit in ftp file transfer protocol;
The wireless transmission unit is configured as being uploaded to the failure and event data based on ftp file transfer protocol described
Earth module;
The earth module is configured as receiving the failure and event data based on ftp file transfer protocol, and according to described
Failure and event data carry out fault diagnosis and control to the low-floor train.
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Cited By (1)
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CN113320565A (en) * | 2020-02-28 | 2021-08-31 | 株洲中车时代电气股份有限公司 | Vehicle-mounted real-time fault diagnosis method and device |
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