CN105223912A - Track traffic communication system and data processing method - Google Patents
Track traffic communication system and data processing method Download PDFInfo
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- CN105223912A CN105223912A CN201410290529.1A CN201410290529A CN105223912A CN 105223912 A CN105223912 A CN 105223912A CN 201410290529 A CN201410290529 A CN 201410290529A CN 105223912 A CN105223912 A CN 105223912A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
The invention provides a kind of track traffic communication system and data processing method, the information of the terminal device gathered by controller receiving detection device, and convert to after CAN data-signal sends to communication gate, communication gate converts thereof into corresponding IP data-signal, cloud device is sent to by WIFI network, or, communication gate receives the IP data-signal that cloud device is sent by WIFI network, corresponding CAN data-signal is converted thereof into according to the ICP/IP protocol stack prestored, and send to controller, terminal device is sent to make controller, achieve between terminal device on rail vehicle and cloud device by WIFI network real-time carry out data interaction and information processing, improve data transmission capacity and data-handling efficiency.
Description
Technical field
The present invention relates to communication technical field, particularly relate to a kind of track traffic communication system and data processing method.
Background technology
At present; the inner each terminal device of rail vehicle is by controller local area network (ControllerAreaNetwork; CAN) form of bus is articulated in car load network system; CAN has high transfer rate; message transmission rate up to 1Mbit/s can be provided within 40 meters; there is automatic error detection mechanism and automatic retransmitting function; terminal device can exit bus when mistake is serious; network performance is not affected by bad node; CAN can dynamic load node; whole system need not be shut down in order to single node, the loss of shutdown can be greatly reduced.Therefore, CAN network is a kind of more common, industrial network that anti-interference is very strong, is often used in device level network in In-vehicle networking.
Along with many-sided application such as traffic safety need, the monitoring of each terminal device is seemed particularly important, in prior art CAN network the vehicle arrangement data collected by MVB network transfers to receiving equipment, data message is pushed on display device by receiving equipment, for field personnel's monitoring and operation.
Along with rolling stock is information-based, intelligentized development, vehicle netbios proposes more and more higher requirement to network data throughput and transfer rate, but, owing to being subject to the restriction of cable and communication mode in prior art, distance between equipment is general all very near, transmits data volume general all very little, cannot realize the transmission of the large data of facility information, therefore, the data communication processing power of prior art has certain limitation.
Summary of the invention
For the above-mentioned defect of prior art, the embodiment of the present invention provides a kind of track traffic communication system and data processing method.
The embodiment of the present invention provides a kind of track traffic communication system on the one hand, comprising:
Terminal device, communication gate and cloud device, wherein, described terminal device comprises pick-up unit and controller, described communication gate comprises: CAN network interface, processor and WIFI network interface, wherein, described pick-up unit is connected with described controller, and described processor is connected with described WIFI network interface with described CAN network interface respectively, and described controller is connected with described CAN network interface by CAN; Wherein,
Described controller, for receiving the information on the described terminal device that described pick-up unit gathers, and by described CAN, CAN data-signal is sent to described CAN network interface, or receive the CAN data-signal of described CAN network interface transmission, and send to described terminal device;
Described processor, for the CAN data-signal sent by controller described in described CAN network interface, according to the ICP/IP protocol stack prestored, protocol format conversion is carried out to the CAN data-signal through resolving, obtain corresponding IP data-signal, and send to described cloud device by described WIFI network interface; Or, by the IP data-signal that cloud device described in described WIFI network interface sends, according to described ICP/IP protocol stack, protocol format conversion is carried out to the IP data-signal through resolving, obtain corresponding CAN data-signal, and send to described controller by described CAN network interface.
The data processing method that the embodiment of the present invention provides on the other hand a kind of track traffic communication system applied the embodiment of the present invention and provide to carry out, comprising:
Processor receives data-signal, judge that the signal type of described data-signal is CAN data-signal or IP data-signal, wherein, send to described CAN network interface after information processing on the described CAN data-signal described terminal device that to be described controller gather described pick-up unit, described IP data-signal is that described cloud device sends to described WIFI network interface by WIFI network;
If described processor judges to know receive described CAN data-signal, then according to the ICP/IP protocol stack prestored, protocol format conversion is carried out to the CAN data-signal through resolving, obtain corresponding IP data-signal, and send to described cloud device by described WIFI network interface, know if judge and receive IP data-signal, then according to described ICP/IP protocol stack, protocol format conversion is carried out to the IP data-signal through resolving, obtain corresponding CAN data-signal, and send to described controller by described CAN network interface, to make described controller, described CAN data-signal is sent to described terminal device.
The track traffic communication system that the embodiment of the present invention provides and data processing method, the information of the terminal device gathered by controller receiving detection device, and convert to after CAN data-signal sends to communication gate, communication gate converts thereof into corresponding IP data-signal, cloud device is sent to by WIFI network, or, communication gate receives the IP data-signal that cloud device is sent by WIFI network, corresponding CAN data-signal is converted thereof into according to the ICP/IP protocol stack prestored, and send to controller, terminal device is sent to make controller, achieve between terminal device on rail vehicle and cloud device by WIFI network real-time carry out data interaction and information processing, improve data transmission capacity and data-handling efficiency.
Accompanying drawing explanation
The structural representation of the track traffic communication system that Fig. 1 provides for the embodiment of the present invention;
The structural representation of another track traffic communication system that Fig. 2 provides for the embodiment of the present invention;
The process flow diagram of the data processing method that Fig. 3 carries out for the application track traffic communication system provided by the invention that the embodiment of the present invention provides.
Embodiment
The structural representation of the track traffic communication system that Fig. 1 provides for the embodiment of the present invention, as shown in Figure 1, this track traffic communication system comprises: communication gate 1, terminal device 2 and cloud device 3, wherein, communication gate 1 comprises: CAN network interface 11, WIFI network interface 12 and processor 13, terminal device 2 comprises pick-up unit 21 and controller 22, wherein, processor 13 is connected with WIFI network interface 12 with CAN network interface 11 respectively, wherein, described pick-up unit 21 is connected with controller 22, described controller 22 is connected with described CAN network interface 11 by CAN, wherein, controller 22, information on the described terminal device that receiving detection device 21 gathers, and by described CAN, CAN data-signal is sent to described CAN network interface 11, or receive the CAN data-signal that described CAN network interface 11 sends, and send to described terminal device,
The CAN data-signal that processor 13 is sent for being received controller 22 by CAN network interface 11, according to the ICP/IP protocol stack prestored, protocol format conversion being carried out to the CAN data-signal through resolving, obtaining corresponding IP data-signal, and sending to cloud device by WIFI network interface 12; Or, being received the IP data-signal of cloud device transmission by WIFI network interface 12, according to described ICP/IP protocol stack, protocol format conversion being carried out to the IP data-signal through resolving, obtain corresponding CAN data-signal, and send to controller 22 by CAN network interface 11.
Particularly, the specific implementation process for data uplink is as follows:
Pick-up unit on the inner each terminal device of rail vehicle is according to the real time data on the sense cycle acquisition terminal equipment preset, wherein, above-mentioned terminal device specifically comprises: AuCT equipment, traction convertor equipment, charging set equipment and energy storage device, data transmission is carried out if need between terminal device and terminal device, also can be transmitted by WIFI, remove tradition from by rigid line connection for the restriction transmitting data and transmission range.The real time data that pick-up unit gathers comprises: analog quantity detects and digital quantity detects, analog quantity detects and detects each simulating signal of vehicle mainly through sensor, input/output voltage, electric current, rotating speed, acceleration/deceleration, motor temperature, the traction convertor temperature of power module of main detection vehicle draw-off equipment, the input/output voltage, electric current, AuCT temperature of power module etc. of power-supply unit, digital quantity detects output switch parameter on main sense terminals equipment and On-off signal RST.The information of collection is sent to controller by pick-up unit, controller can single-chip microcomputer series, ARM series, other have the chip of controlling functions, such as industrial main flow dsp chip TMS320F28335, controller carries out encapsulation process to the information received and converts CAN data-signal to, by CAN, the data-signal collected is sent to CAN network interface, the CAN data-signal that controller is uploaded by CAN network interface sends to processor, processor is resolved the CAN data-signal received, then according to the ICP/IP protocol stack prestored, protocol format conversion is carried out to the CAN data-signal through resolving, obtain corresponding IP data-signal, and send to cloud device by WIFI network interface.It should be noted that, cloud device specifically comprises: control center, high in the clouds storer, individual mobile device, in actual applications, corresponding cloud device is selected to carry out different business processing as required, such as the heart is monitored and remote control in real time to the equipment at scene in the controlling, data-pushing etc.; If the data of transmission do not need to process immediately, also the data uploaded can be stored on the memory device of high in the clouds, carry out processing and analyzing after facilitating staff.
Specific implementation process for data downstream is as follows:
Beyond the clouds device display can show the information of each terminal device, when cloud device needs to carry out attended operation to terminal device, software programming/renewal, when instruction action, IP data-signal can be sent to WIFI network interface by WIFI network, the IP data-signal that cloud device sends by WIFI network interface sends to processor, processor is resolved the IP data-signal received, then according to the ICP/IP protocol stack prestored, protocol format conversion is carried out to the IP data-signal through resolving, obtain corresponding CAN data-signal, and send to controller by CAN network interface, CAN data-signal is sent to terminal device by controller, terminal device is resolved it and is obtained data-signal and carry out corresponding action according to instruction.It should be noted that, when Packet Generation is to the terminal device of specifying, can push the receipt data that has received information to cloud device after this terminal device receives data, or beyond the clouds equipment shows the presence of underlying device, if broken down or do not power to underlying device, the state of off-line can be shown, multiple equipment is had to be connected with this terminal device if accept the larger or high in the clouds of data volume, can show busy, when terminal device receives multiple instruction, can perform according to the priority of instruction, and the implementation status of meeting receipt instruction.
The track traffic communication system that the embodiment of the present invention provides, the information of the terminal device gathered by controller receiving detection device, and convert to after CAN data-signal sends to communication gate, communication gate converts thereof into corresponding IP data-signal, cloud device is sent to by WIFI network, or, communication gate receives the IP data-signal that cloud device is sent by WIFI network, corresponding CAN data-signal is converted thereof into according to the ICP/IP protocol stack prestored, and send to controller, terminal device is sent to make controller, achieve between terminal device on rail vehicle and cloud device by WIFI network real-time carry out data interaction and information processing, improve data transmission capacity and data-handling efficiency.
The structural representation of another track traffic communication system that Fig. 2 provides for the embodiment of the present invention, as shown in Figure 2, processor 13 comprises: single-chip microcomputer 131 and coder/decoder 132, single-chip microcomputer 131 is connected with CAN network interface 11, coder/decoder 132 is connected with WIFI network interface 12, wherein, single-chip microcomputer 131 can adopt the single-chip microcomputer of Multiple Type, processing procedure is illustrated for the ARM microprocessor STM32F103C8T6 with 32, particularly, STM32F103C8T6 single-chip microcomputer has three standard UART mouths, two SPI mouths, a high-performance CAN mouth, a USB port, nearly all conventional communication ports such as four timers, STM32F103C8T6 single-chip microcomputer 131 is connected with CAN network interface 11 by UART1, and be connected with coder/decoder 132 by UART2, wherein, the serial ports receiving end RX1 of UART1 is connected with the transmission interface circuit in CAN network interface 11, the CAN data-signal that STM32F103C8T6 single-chip microcomputer 131 is sent by the transmission interface circuit in CAN network interface 11 by RX1 receiving terminal apparatus, serial ports transmitting terminal TX1 on UART1 is connected with the receiving interface circuit in CAN network interface 11, the CAN data-signal that terminal device is sent by TX1 by the receiving interface circuit reception STM32F103C8T6 single-chip microcomputer 131 in CAN network interface 11.UART2 on STM32F103C8T6 single-chip microcomputer 131 by input/output port I/O mouth for coder/decoder 132 provides power supply to communicate with coder/decoder 132 with AT command signal.By Serial Peripheral Interface (serialperipheralinterface between STM32F103C8T6 single-chip microcomputer 131 and coder/decoder 132, SPI) information interaction is carried out, it should be noted that, the concrete unit comprised main body module in STM32F103C8T6 single-chip microcomputer 131 in the present embodiment and function are not restricted, and are only described in detail to improvement.The conversion of STM32F103C8T6 single-chip microcomputer 131 for carrying out according to ICP/IP protocol stack from source protocol to target protocol to the form of the data-signal received; Coder/decoder 132 for encoding to the IP data-signal of the correspondence obtained through protocol format conversion, and sends to WIFI network interface 12, or, the IP data-signal through coding that cloud device sends is decoded, and sends to single-chip microcomputer 131.Effectively can improve transfer efficiency by coded treatment, save the transmission time.
Further, processor 13 also comprises: the enciphering/deciphering device 133 with USB (universal serial bus), enciphering/deciphering device 133 is connected with coder/decoder 132, wherein, enciphering/deciphering device 133 for: the IP data-signal after described coder/decoder coding is encrypted, or described cloud device is sent, IP data-signal after encryption is decrypted process.Effectively can improve security by encryption, avoid cracking and distorting significant data.
Further, single-chip microcomputer 131, also for being monitored by dongle, to automatically reset to described communication gate, to improve the stability of system cloud gray model when mistake appears in executive routine.
The track traffic communication system that the embodiment of the present invention provides, the information of the terminal device gathered by controller receiving detection device, and convert to after CAN data-signal sends to communication gate, communication gate converts thereof into corresponding IP data-signal, and send to cloud device by WIFI network after carrying out encoding and/or encrypt, or, communication gate receives the IP data-signal that cloud device is sent by WIFI network, after carrying out decoding and/or decipher, corresponding CAN data-signal is converted thereof into according to the ICP/IP protocol stack prestored, and send to controller, terminal device is sent to make controller, achieve between terminal device on rail vehicle and cloud device by WIFI network real-time carry out data interaction and information processing, improve data transmission capacity and data-handling efficiency, and ensure that the security of information transmission.
The process flow diagram of the data processing method that Fig. 3 carries out for the application track traffic communication system provided by the invention that the embodiment of the present invention provides, as shown in Figure 3, the method comprises:
Step 100, processor receives data-signal, judge that the signal type of described data-signal is CAN data-signal or IP data-signal, wherein, send to described CAN network interface after information processing on the described CAN data-signal described terminal device that to be described controller gather described pick-up unit, described IP data-signal is that described cloud device sends to described WIFI network interface by WIFI network;
Step 101, if described processor judges to know receive described CAN data-signal, then according to the ICP/IP protocol stack prestored, protocol format conversion is carried out to the CAN data-signal through resolving, obtain corresponding IP data-signal, and send to described cloud device by described WIFI network interface, know if judge and receive IP data-signal, then according to described ICP/IP protocol stack, protocol format conversion is carried out to the IP data-signal through resolving, obtain corresponding CAN data-signal, and send to described controller by described CAN network interface, to make described controller, described CAN data-signal is sent to described terminal device.
This method embodiment is that the track traffic communication system provided based on above-described embodiment realizes, and concrete treatment scheme see said apparatus embodiment, can repeat no more herein.
The data processing method that the present embodiment provides, the information of the terminal device gathered by controller receiving detection device, and convert to after CAN data-signal sends to communication gate, communication gate converts thereof into corresponding IP data-signal, cloud device is sent to by WIFI network, or, communication gate receives the IP data-signal that cloud device is sent by WIFI network, corresponding CAN data-signal is converted thereof into according to the ICP/IP protocol stack prestored, and send to controller, terminal device is sent to make controller, achieve between terminal device on rail vehicle and cloud device by WIFI network real-time carry out data interaction and information processing, improve data transmission capacity and data-handling efficiency.
Based on above-described embodiment, the IP data-signal of described acquisition correspondence, and send to described cloud device specifically to comprise by described WIFI network interface:
Obtain corresponding IP data-signal, described IP data-signal is encoded and/or encryption, and sends to described cloud device by described WIFI network interface.Effectively can improve transfer efficiency by coded treatment, save the transmission time; Effectively can improve security by encryption, avoid cracking and distorting significant data.
Further, if receive that cloud device sends, after encryption and/or coding IP data-signal to be decrypted and/or after aftertreatment of decoding, again according to described ICP/IP protocol stack, protocol format conversion being carried out to the IP data-signal through resolving, obtaining corresponding CAN data-signal.
Further, based on above-described embodiment, described method also comprises: monitored by dongle, to automatically reset to described communication gate, to improve the stability of system cloud gray model when mistake appears in executive routine.
One of ordinary skill in the art will appreciate that: all or part of step realizing said method embodiment can have been come by the hardware that programmed instruction is relevant, aforesaid program can be stored in a computer read/write memory medium, this program, when performing, performs the step comprising said method embodiment; And aforesaid storage medium comprises: ROM, RAM, magnetic disc or CD etc. various can be program code stored medium.
Last it is noted that above embodiment is only in order to illustrate technical scheme of the present invention, be not intended to limit; Although with reference to previous embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (9)
1. a track traffic communication system, it is characterized in that, comprise: terminal device, communication gate and cloud device, wherein, described terminal device comprises pick-up unit and controller, described communication gate comprises: CAN network interface, processor and Wireless Fidelity WIFI network interface, wherein, described pick-up unit is connected with described controller, described processor is connected with described WIFI network interface with described CAN network interface respectively, and described controller is connected with described CAN network interface by CAN; Wherein,
Described controller, for receiving the information on the described terminal device that described pick-up unit gathers, and by described CAN, CAN data-signal is sent to described CAN network interface, or receive the CAN data-signal of described CAN network interface transmission, and send to described terminal device;
Described processor, for the CAN data-signal sent by controller described in described CAN network interface, according to the ICP/IP protocol stack prestored, protocol format conversion is carried out to the CAN data-signal through resolving, obtain corresponding IP data-signal, and send to described cloud device by described WIFI network interface; Or, by the IP data-signal that cloud device described in described WIFI network interface sends, according to described ICP/IP protocol stack, protocol format conversion is carried out to the IP data-signal through resolving, obtain corresponding CAN data-signal, and send to described controller by described CAN network interface.
2. track traffic communication system according to claim 1, it is characterized in that, described processor comprises: single-chip microcomputer and coder/decoder, described single-chip microcomputer is connected with described CAN network interface, described coder/decoder is connected with described WIFI network interface, serial peripheral equipment interface SPI communication mode is adopted, wherein between described single-chip microcomputer and described coder/decoder
Described single-chip microcomputer, for the conversion carrying out from source protocol to target protocol to the form of the data-signal received according to described ICP/IP protocol stack;
Described coder/decoder, for encoding to the IP data-signal of the correspondence obtained through protocol format conversion, and send to described WIFI network interface, or, the IP data-signal through coding that described cloud device sends is decoded, and sends to described single-chip microcomputer.
3. track traffic communication system according to claim 2, is characterized in that, described single-chip microcomputer, also for being monitored by dongle, to automatically reset to described communication gate when mistake appears in executive routine.
4. track traffic communication system according to claim 2, it is characterized in that, described processor also comprises: the enciphering/deciphering device with USB (universal serial bus), described enciphering/deciphering device is connected with described coder/decoder, wherein, described enciphering/deciphering device is used for: be encrypted the IP data-signal after described coder/decoder coding, or described cloud device is sent, IP data-signal after encryption is decrypted process.
5., according to the arbitrary described track traffic communication system of claim 1-4, it is characterized in that, described terminal device comprises: AuCT equipment, traction convertor equipment, charging set equipment and energy storage device.
6., according to the arbitrary described track traffic communication system of claim 1-4, it is characterized in that,
Described cloud device comprises: control center, high in the clouds storer, individual mobile device.
7. application as arbitrary in claim 1 to 6 as described in a track traffic communication system data processing method of carrying out, it is characterized in that, comprising:
Processor receives data-signal, judge that the signal type of described data-signal is CAN data-signal or IP data-signal, wherein, send to described CAN network interface after information processing on the described CAN data-signal described terminal device that to be described controller gather described pick-up unit, described IP data-signal is that described cloud device sends to described WIFI network interface by WIFI network;
If described processor judges to know receive described CAN data-signal, then according to the ICP/IP protocol stack prestored, protocol format conversion is carried out to the CAN data-signal through resolving, obtain corresponding IP data-signal, and send to described cloud device by described WIFI network interface, know if judge and receive IP data-signal, then according to described ICP/IP protocol stack, protocol format conversion is carried out to the IP data-signal through resolving, obtain corresponding CAN data-signal, and send to described controller by described CAN network interface, to make described controller, described CAN data-signal is sent to described terminal device.
8. method according to claim 7, is characterized in that,
The described IP data-signal obtaining correspondence, and send to described cloud device specifically to comprise by described WIFI network interface:
Obtain corresponding IP data-signal, described IP data-signal is encoded and/or encryption, and sends to described cloud device by described WIFI network interface;
9. method according to claim 8, is characterized in that, described method also comprises:
If receive that cloud device sends, after encryption and/or coding IP data-signal to be decrypted and/or after aftertreatment of decoding, again according to described ICP/IP protocol stack, protocol format conversion being carried out to the IP data-signal through resolving, obtaining corresponding CAN data-signal.
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Application publication date: 20160106 |
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| RJ01 | Rejection of invention patent application after publication |