CN205003537U - Train communication equipment - Google Patents
Train communication equipment Download PDFInfo
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- CN205003537U CN205003537U CN201520669713.7U CN201520669713U CN205003537U CN 205003537 U CN205003537 U CN 205003537U CN 201520669713 U CN201520669713 U CN 201520669713U CN 205003537 U CN205003537 U CN 205003537U
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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Abstract
The utility model provides a train communication equipment, include: host system and ethernet module, host system is used for sending a serial data for ether wire mould piece, carries train operating data among the serial data, the ethernet module is used for converting a serial data into first ethernet data transmission and gives the host computer. The utility model provides a train communication equipment has realized the ethernet communication between host system and the host computer, effectual communication reliability and the data transmission bauds of having improved.
Description
Technical field
The utility model relates to the communication technology, particularly relates to a kind of train communication equipment.
Background technology
In the middle of the technology of track traffic such as light rail, railcar, the control effects that train traction, train such as to assist at the parameter state of the control mainboard of equipment, data transmission state directly affects train, also find significant to control program realization, fault diagnosis simultaneously, therefore commissioning staff often needs the service data utilizing host computer collection, detection control mainboard, the operation conditions of real-time inspection and control mainboard.In debug process, the reliability of communication, the speed of data transmission are most important.
The data acquisition of the existing control mainboard to train traction, the equipment such as auxiliary, detect and adopt serial communication technology, interface many employings RS232 and RS485 interface more.Commissioning staff controls the instantaneous value of mainboard special parameter by the AccessPort software observes on host computer, know that whether the aspect such as parameter state, data transmission state of vehicle is normal with this, and by AccessPort software, the parameter controlling mainboard is modified thus the running status of opertaing device.
The debugging technique of existing this employing serial communication, in debug process, serial line interface is due to debugging enironment complicacy, and often occur the situation that interface damages, and in telecommunication, communication quality cannot ensure, communication reliability is low; Meanwhile, the transfer rate of serial communication still belongs to comparatively slow to a certain extent, cannot meet the real-time monitoring system of particular case.
Utility model content
For the above-mentioned defect of prior art, the utility model provides a kind of train communication equipment, in order to improve communication reliability and data rate.
The utility model provides a kind of train communication equipment, comprising: main control module and ethernet module, and main control module is connected with ethernet module; Wherein,
Main control module, for the first serial data is sent to ethernet module, carries train operating data in the first serial data;
Ethernet module, sends to host computer for the first serial data is converted to the first Ethernet data.
In an embodiment of the present utility model, ethernet module comprises: ethernet controller and Ethernet interface; Ethernet controller connects Ethernet interface;
Ethernet controller, for the first serial data is converted to the first Ethernet data, and sends to host computer by Ethernet interface;
Ethernet interface, for connecting host computer.
In an embodiment of the present utility model, main control module is digital signal processing dsp controller, and dsp controller is connected with ethernet controller by serial peripheral equipment interface SPI bus.
In an embodiment of the present utility model, ethernet module also comprises: isolating transformer; Ethernet controller is connected with Ethernet interface by isolating transformer;
Isolating transformer, for isolating ethernet controller.
In an embodiment of the present utility model, ethernet module also comprises: Ethernet protection circuit, and isolating transformer is connected with Ethernet interface by Ethernet protection circuit;
Ethernet protection circuit, for the protection of ethernet module.
In an embodiment of the present utility model, ethernet module also comprises: wireless router, and wireless router connects Ethernet interface;
Wireless router, for being transferred to host computer wirelessly by the Ethernet data obtained from Ethernet interface.
In an embodiment of the present utility model, ethernet controller, also for receiving the second Ethernet data that host computer sends, and is converted to the second serial data by the second Ethernet data and sends to main control module, wherein, train debug command is carried in the second Ethernet data.
In an embodiment of the present utility model, main control module, also for receiving the second serial data, and controls the running status of train according to the second serial data.
In an embodiment of the present utility model, main control module adopts the built-in network communication protocol uIP protocol stack of simplifying.
The train communication equipment that the present embodiment provides, the first serial data carrying train operating data obtained is sent to ethernet module by main control module; First serial data is converted to the first Ethernet data and sends to host computer, achieve the ethernet communication between main control module and host computer after receiving the first serial data of main control module transmission by ethernet module.Adopt the train communication equipment of ethernet communication in the present embodiment, effectively raise communication reliability and data rate.
Accompanying drawing explanation
The structural representation of the train communication apparatus embodiments one that Fig. 1 provides for the utility model;
The structural representation of the train communication apparatus embodiments two that Fig. 2 provides for the utility model;
The structural representation of the train communication apparatus embodiments three that Fig. 3 provides for the utility model;
The circuit theory diagrams of the train communication apparatus embodiments four that Fig. 4 provides for the utility model.
Description of reference numerals:
100-main control module; 200-ethernet module;
210-ethernet controller; 220-isolating transformer;
230-Ethernet protection circuit; 240-Ethernet interface;
250-wireless router.
Embodiment
For making the object of the utility model embodiment, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the utility model embodiment, technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
The train communication equipment that the utility model embodiment provides, is intended to solve the technical matters that in the debugging technique of existing employing serial communication, communication reliability is low and message transmission rate is low.
With embodiment particularly, the technical solution of the utility model is described in detail below.These specific embodiments can be combined with each other below, may repeat no more for same or analogous concept or process in some embodiment.
The structural representation of the train communication apparatus embodiments one that Fig. 1 provides for the utility model, as shown in Figure 1, the train communication equipment in the present embodiment comprises: main control module 100 and ethernet module 200, and main control module 100 is connected with ethernet module 200; Wherein, main control module 100, for the first serial data is sent to ethernet module 200, carries train operating data in the first serial data; Ethernet module 200, sends to host computer for the first serial data is converted to the first Ethernet data.
Concrete, main control module 100 can be digital signal processing (DigitalSignalProcessing, DSP) controller or Advance RISC Machine (AdvancedRISCMachines, ARM) controller etc., specifically can be applied on the control mainboard of the train apparatus such as train traction, auxiliary, network, with the operation of opertaing device.Main control module 100 can obtain train operating data by peripheral circuit, and is carried at by train operating data in the first serial data, by the serial bus transmission between main control module 100 and ethernet module 200 to ethernet module 200.Wherein, train operating data comprises train running information and train fault information etc., and according to these train operating data, host computer can know that whether the running status of train is normal, and debug train accordingly.
After ethernet module 200 receives the first serial data of main control module 100 transmission, first serial data can be converted to Ethernet data (i.e. the first Ethernet data), host computer is sent to, to realize the ethernet communication between main control module 100 and host computer by Ethernet.
In prior art, train debugging adopts serial communication, and due to debugging enironment more complicated, easily occur the situation that interface damages, and transmission range is short, in telecommunication, communication quality cannot ensure, its communication reliability is lower; And the train communication equipment in the present embodiment, the first serial data carrying train operating data is first sent to ethernet module by main control module, after ethernet module receives the first serial data of main control module transmission, first serial data is converted to the first Ethernet data and sends to host computer again, achieve the ethernet communication between main control module and host computer, compare serial line interface, Ethernet interface is stablized, not fragile, and long transmission distance, stability is strong, and can ensure the communication quality of telecommunication, the communication reliability of equipment is higher.In addition, the transfer rate of serial communication still belongs to comparatively slow to a certain extent, adopts serial communication, cannot meet the real-time monitoring system of particular case in prior art; And in the present embodiment, train communication equipment adopts ethernet communication, the transfer rate of ethernet communication is far above the transfer rate of serial communication, and it can meet the real-time monitoring system of various situation.
The train communication equipment that the present embodiment provides, the first serial data carrying train operating data obtained is sent to ethernet module by main control module; First serial data is converted to the first Ethernet data and sends to host computer, achieve the ethernet communication between main control module and host computer after receiving the first serial data of main control module transmission by ethernet module.Adopt the train communication equipment of ethernet communication in the present embodiment, effectively raise communication reliability and data rate.
The structural representation of the train communication apparatus embodiments two that Fig. 2 provides for the utility model, the present embodiment is to the further function refinement of above-mentioned middle ethernet module 200 embodiment illustrated in fig. 1.As shown in Figure 2, in the present embodiment, ethernet module 200 comprises: ethernet controller 210 and Ethernet interface 240; Ethernet controller 210 connects Ethernet interface 240; Ethernet controller 210, for the first serial data is converted to the first Ethernet data, and sends to host computer by Ethernet interface 240; Ethernet interface 240, for connecting host computer.
Concrete, ethernet controller 210 can be the ethernet control chip being integrated with media access control layer (MediaAccessControl, MAC) and Physical layer (Physicallayer, PHY); Ethernet interface 240 can be M12 interface or RJ45 interface etc., preferably adopts M12 interface in the present embodiment, to improve the reliability of data transmission.
After the first serial data that main control module 100 sends by ethernet controller 210 is converted to the Ethernet data (i.e. the first Ethernet data) being adapted at ether transfers on network, by Ethernet interface 240, this first Ethernet data is sent to host computer, wherein, Ethernet data specifically can adopt the form of differential signal to transmit.
Preferably, main control module 100 can be dsp controller, and dsp controller is connected with ethernet controller 210 by Serial Peripheral Interface (SPI) (SerialPeripheralInterface, SPI) bus.
Concrete, dsp controller can select existing various dsp chip according to processing demands, and dsp controller realizes the data interaction between ethernet controller 210 especially by spi bus.
The train communication equipment that the present embodiment provides, after the first serial data that main control module sends by ethernet controller is converted to the first Ethernet data being adapted at ether transfers on network, by Ethernet interface, this first Ethernet data is sent to host computer, achieve the ethernet communication between main control module and host computer, improve communication reliability and data rate.
The structural representation of the train communication apparatus embodiments three that Fig. 3 provides for the utility model, the present embodiment is the further optimization to ethernet module in above-described embodiment 200.As shown in Figure 3, in the present embodiment, ethernet module 200 also comprises: isolating transformer 220; Ethernet controller 210 is connected with Ethernet interface 240 by isolating transformer 220; Isolating transformer 220, for isolating ethernet controller 210.
Concrete, between ethernet controller 210 with Ethernet interface 240, be connected isolating transformer 220, to make ethernet controller 210 and external isolation, protection ethernet controller 210, from external disturbance, plays voltage buffer action; Can select suitable isolating transformer according to circuit design signal strengthens, the effect of impedance matching to realize simultaneously.
Optionally, ethernet module 200 can also comprise: Ethernet protection circuit 230, and isolating transformer 220 is connected with Ethernet interface 240 by Ethernet protection circuit 230; Ethernet protection circuit 230, for the protection of ethernet module 200.
Concrete; Ethernet protection circuit 230 can select existing various transient voltage suppressor diode (TransientVoltageSuppressor; TVS) protection circuit, for suppressing the impact on circuit such as induced voltage surge, electrostatic, plays the effect of protection train communication equipment.
Optionally, ethernet module 200 can also comprise: wireless router 250, and wireless router 250 connects Ethernet interface 240; Wireless router 250, for being transferred to host computer wirelessly by the Ethernet data obtained from Ethernet interface 240.
Concrete, department's control room limited space of host computer is set, and the debugging technique of existing employing serial communication needs to lay a plurality of data lines, occupies large quantity space, brings inconvenience to the operation of commissioning staff; In the present embodiment, Ethernet interface 240 connects wireless router 250, achieves the radio communication between main control module 100 and host computer, it is without the need to laying netting twine, well solve in prior art and adopt and the unhandy problem of commissioning staff that causes, applicability is strong.
On the basis of above-described embodiment, ethernet controller 210, also for receiving the second Ethernet data that host computer sends, and the second Ethernet data is converted to the second serial data sends to main control module 100, main control module 100, also for receiving the second serial data, and controls the running status of train according to the second serial data, wherein, train debug command is carried in the second Ethernet data.
Concrete, host computer can send train debug command by Ethernet, such as: obtain the order of train operation state, download the order of fault, the order etc. of train runing parameters is set, after ethernet controller 210 in ethernet module 200 receives the second Ethernet data carrying train debug command, after this second Ethernet data is converted to the second serial data, send to main control module 100.
After main control module 100 receives the second serial data, according to the difference of train debug command, train operating data can be sent to host computer, also train runing parameters can be set according to train debug command, to control the running status of train.
In addition, programming program can also be sent to main control module 100 by Ethernet by host computer, and main control module 100 receives the program burn writing that then programming program realizes main control module 100.
On the basis of above-mentioned any embodiment, above-mentioned main control module 100 can adopt the built-in network communication protocol uIP protocol stack of simplifying, and to save the internal memory of main control module 100, strengthens the stability of communication simultaneously.
The train communication equipment that the present embodiment provides, is connected isolating transformer between ethernet controller with Ethernet interface, serves voltage isolation, signal strengthens and the effect of impedance matching; Meanwhile, between isolating transformer with Ethernet interface, be connected Ethernet protection circuit, inhibit the impact on circuit such as induced voltage surge, electrostatic, serve the effect of protection train communication equipment.
The circuit theory diagrams of the train communication apparatus embodiments four that Fig. 4 provides for the utility model; the present embodiment is a kind of concrete circuit implementation of above-described embodiment; as shown in Figure 4; in the present embodiment; main control module is the dsp chip (not shown) of TMS32028335 model; ethernet controller is specially the Ethernet chip of ENC28J60 model; isolating transformer is specially the transformer of HN16613 model; Ethernet protection circuit is specially the TVS pipe of SLVU2.8-4 model, and Ethernet interface is specially the M12 interface of M12-D model.Illustrate the annexation between ethernet control chip and each device below.
Ethernet chip connects main control module 100 by SPI interface, concrete, SPI interface comprises: Serial output SO, serial input SI, clock SCK, sheet choosing/CS (Low level effective), wherein, SO is connected with the SPISOMIA of dsp chip, SI is connected with the SPISIMOA of dsp chip, and SCK is connected with the SPICLKA of dsp chip, and/CS is connected with the SCITXDC of dsp chip.Dsp chip carries out data interaction by SI and SO and Ethernet chip, the clock providing data to transmit to ethernet control chip by SCK, pass through/whether CS selection Ethernet chip is effective.Meanwhile, dsp chip can be configured the internal register of ethernet control chip by SI and SO, to arrange the mode of operation of Ethernet.In addition, the LED that two LED pin LEDA with LEDB of Ethernet chip are connected drives by filling with electric current, by the configuration of dsp chip to the internal register of Ethernet chip, the working condition (such as: send data, receive data, non-transceiving data) of chip can be differentiated according to the blink states of LED.In addition, the interface such as interruption/INT, reset/RST of Ethernet chip also can be connected with dsp chip, to realize the functions such as interruption, reset.
TPOUT+ and TPOUT-two interfaces of Ethernet chip are respectively used to output difference sub-signal TPOUT2+ and TPOUT2-, TPIN+ and TPIN-two interfaces are used for input differential signal TPIN2+ and TPIN2-, Ethernet chip is connected the primary side of isolating transformer by TPOUT+, TPOUT-with TPIN+, TPIN-, wherein TPOUT+ connects pin one, the pin 3 of TPOUT-connection isolating transformer, the pin 6 of TPIN+ connection isolating transformer, the pin 8 of TPIN-connection isolating transformer of isolating transformer.
The pin one of isolating transformer and pin 3 are respectively used to differential signal TPOUT2+ and TPOUT2-receiving Ethernet chip output, corresponding, the pin one 6 of isolating transformer and pin one 4 are respectively used to export isolating difference signal TX2+ and TX2-.The pin 6 of isolating transformer and pin 8 are respectively used to Ethernet chip output difference sub-signal TPIN2+ and TPIN2-, corresponding, the pin one 1 of isolating transformer and pin 9 are respectively used to receive ethernet signal RX2+ and RX2-.
Ethernet protection circuit (hereinafter referred to as TVS pipe) connects the primary side of isolating transformer, and wherein the pin one of TVS pipe connects the pin one 6 of isolating transformer, for Received signal strength TX2+; The pin two of TVS pipe connects the pin one 4 of isolating transformer, for Received signal strength TX2-; The pin 3 of TVS pipe connects the pin one 1 of isolating transformer, for outputing signal RX2+; The pin 4 of TVS pipe connects the pin 9 of isolating transformer, for outputing signal RX2-.
Ethernet interface adopts M12 interface, and M12 interface is connected with TVS pipe, and wherein, the pin two of M12 interface connects the pin 6 of TVS pipe, for outputing signal RX2+; The pin 4 of M12 interface connects the pin 5 of TVS pipe, for outputing signal RX2-; The pin one of M12 interface connects the pin 8 of TVS pipe, for Received signal strength TX2+; The pin 3 of M12 interface connects the pin 7 of TVS pipe, for Received signal strength TX2-.
It should be noted that, in Fig. 4, the model of each device is just as a kind of example, specifically can select according to actual needs; In addition, can connect the devices such as various resistance, electric capacity in circuit according to circuit design demand, the devices such as the resistance connected in circuit shown in Fig. 4, electric capacity are all as a kind of example, specifically can select according to actual needs.
Specific works principle and the technique effect of the train communication equipment that the present embodiment provides are similar to the above embodiments, repeat no more herein.
Last it is noted that above each embodiment is only in order to illustrate the technical solution of the utility model, be not intended to limit; Although be described in detail the utility model with reference to foregoing embodiments, 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 some or all of technical characteristic; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of each embodiment technical scheme of the utility model.
Claims (9)
1. a train communication equipment, is characterized in that, comprising: main control module and ethernet module, and described main control module is connected with described ethernet module; Wherein,
Described main control module, for the first serial data is sent to described ethernet module, carries train operating data in described first serial data;
Described ethernet module, sends to host computer for described first serial data is converted to the first Ethernet data.
2. train communication equipment according to claim 1, is characterized in that, described ethernet module comprises: ethernet controller and Ethernet interface; Described ethernet controller connects described Ethernet interface;
Described ethernet controller, for described first serial data is converted to the first Ethernet data, and sends to described host computer by described Ethernet interface;
Described Ethernet interface, for connecting described host computer.
3. train communication equipment according to claim 2, is characterized in that, described main control module is digital signal processing dsp controller, and described dsp controller is connected with described ethernet controller by serial peripheral equipment interface SPI bus.
4. train communication equipment according to claim 3, is characterized in that, described ethernet module also comprises: isolating transformer; Described ethernet controller is connected with described Ethernet interface by described isolating transformer;
Described isolating transformer, for isolating described ethernet controller.
5. train communication equipment according to claim 4, is characterized in that, described ethernet module also comprises: Ethernet protection circuit, and described isolating transformer is connected with described Ethernet interface by described Ethernet protection circuit;
Described Ethernet protection circuit, for the protection of described ethernet module.
6. train communication equipment according to claim 5, is characterized in that, described ethernet module also comprises: wireless router, and described wireless router connects described Ethernet interface;
Described wireless router, for being transferred to described host computer wirelessly by the described Ethernet data obtained from described Ethernet interface.
7. train communication equipment according to claim 4, it is characterized in that, described ethernet controller, also for receiving the second Ethernet data that described host computer sends, and described second Ethernet data is converted to the second serial data sends to described main control module, wherein, train debug command is carried in described second Ethernet data.
8. train communication equipment according to claim 7, is characterized in that, described main control module, also for receiving described second serial data, and controls the running status of train according to described second serial data.
9. the train communication equipment according to any one of claim 1-8, is characterized in that, described main control module adopts the built-in network communication protocol uIP protocol stack of simplifying.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520669713.7U CN205003537U (en) | 2015-08-31 | 2015-08-31 | Train communication equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520669713.7U CN205003537U (en) | 2015-08-31 | 2015-08-31 | Train communication equipment |
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| CN205003537U true CN205003537U (en) | 2016-01-27 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106483938A (en) * | 2015-08-31 | 2017-03-08 | 中车大连电力牵引研发中心有限公司 | Train communication equipment |
| CN112193278A (en) * | 2019-07-08 | 2021-01-08 | 中车唐山机车车辆有限公司 | Train network management system |
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2015
- 2015-08-31 CN CN201520669713.7U patent/CN205003537U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106483938A (en) * | 2015-08-31 | 2017-03-08 | 中车大连电力牵引研发中心有限公司 | Train communication equipment |
| CN112193278A (en) * | 2019-07-08 | 2021-01-08 | 中车唐山机车车辆有限公司 | Train network management system |
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Address after: 116052 Liaoning province Dalian City Lushun Economic Development Zone Dalian Hao Yang No. 1 North Street Patentee after: CRRC DALIAN ELECTRIC TRACTION R & D CENTER CO., LTD. Address before: 116052 Liaoning province Dalian City Lushun Economic Development Zone Dalian Hao Yang No. 1 North Street Patentee before: Co., Ltd of Bei Che Dalian Electric Traction R & D Center |