CN202009406U - Train information network system - Google Patents
Train information network system Download PDFInfo
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- CN202009406U CN202009406U CN2011200937247U CN201120093724U CN202009406U CN 202009406 U CN202009406 U CN 202009406U CN 2011200937247 U CN2011200937247 U CN 2011200937247U CN 201120093724 U CN201120093724 U CN 201120093724U CN 202009406 U CN202009406 U CN 202009406U
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Abstract
A train information network system relates to the communication technology. The train information network system comprises a ground part, a train-mounted part and mobile terminals; the ground part comprises ground servers and a ground wireless communication device connected with the ground servers; the train-mounted part comprises a train-mounted server and a train-mounted wireless communication device connected with the train-mounted server, and also comprises video output devices connected with the train-mounted server; and each mobile terminal comprises a mobile terminal communication module which can establish communication with the train-mounted wireless communication device. The train information network system can realize fast information transmission between a train and a platform.
Description
Technical field
The utility model relates to the communication technology.
Background technology
Over nearly more than 20 years, under the pressure of transport market keen competition, various countries' railway, particularly developed country's railway is for realizing speed-raising, high speed and heavy haul transport, actively introduce and employ new technology, increased substantially the equipment of modernized communication and signal equipment, the new technique system continues to bring out.Driving the railway industry modernization with informationization, is the inexorable trend of railway development.Comprehensively, the information that accurately obtains on the circuit is the assurance of bullet train safe operation.Thereby the modern railways signal system adopted many advanced persons' the communication technology, as optical fiber communication, radio communication, satellite communication and location technology etc.
At home, railway is born most passenger transport business, and it is about 1,400,000,000 people that china railway is finished passenger's traffic volume every year, and train crew member action is numerous and diverse, and a lot of contents all are to operate by manual type to finish.The railway passenger transportation is the important component part of whole railway transportation.That national economy keeps is fast-developing, country marches on towards comprehensive well-to-do level, estimates Eleventh Five-Year Plan latter stage, and the railway passenger volume growth rate will reach 12%, indicate that the railway transport of passengers development strides into the new epoch.For this reason, make up a kind of comprehensive, shared information platform, promote quality of passenger service and organizational efficiency by science, high-efficiency information management and service means comprehensively, the operation intensity that reduces the crew member simultaneously is very important.Yet there are no at present the comprehensive information-based service of this train passenger traffic special use and the practical application of management system both at home and abroad, a spot of compartment video monitoring is only arranged and based on the application case of the specific dedicated service information interaction system of GPRS/CDMA X1 or MMS.
The utility model content
Technical problem to be solved in the utility model is that a kind of train information network system with good autgmentability of supporting the train radio office administration is provided.
The technical scheme that the utility model solve the technical problem employing is that the train information network system comprises above ground portion, vehicle-mounted part and portable terminal; Wherein, above ground portion comprises ground-based server and the terrestrial wireless communication device that is connected with ground-based server; Vehicle-mounted part comprises onboard servers and the in-vehicle wireless communication device that is connected with onboard servers, also comprises the video output device that is connected with onboard servers; Portable terminal comprises and is used for setting up the communication of mobile terminal module of communicating by letter with in-vehicle wireless communication device.
Video output device is arranged at each compartment.Comprise that also video acquisition device is connected with onboard servers.Vehicle-mounted part comprises the node apparatus that is distributed in each compartment, described node apparatus be connected with video output device, video acquisition device and with the inside plant of communication of mobile terminal, and the external communication device of communicating by letter with onboard servers.Described portable terminal comprises text input device, display screen, radio communication device and processor.Comprise that also loud speaker is connected with node apparatus.
The utility model adopts ripe, advanced wireless network soverlay technique, can realize the quick message transmission between train and the platform, and the wireless broadband network of structure passenger train inside is to satisfy the wireless transmission demand of production operation data and information on services, comprise intelligent production operation information processing, operation system, multi-medium data, monitoring, the transmission of routine office work application data etc., realize the multidate information management of the every work of whole passenger traffic link.
Below in conjunction with the drawings and specific embodiments the utility model is further described.
Description of drawings
Fig. 1 is that system of the present utility model constitutes schematic diagram.
Fig. 2 is an onboard system structural representation of the present utility model.
Fig. 3 is an interior system configuration schematic diagram.
Embodiment
Referring to Fig. 1～3.
Train information network system of the present utility model comprises above ground portion 1, vehicle-mounted part and portable terminal 3; Wherein, above ground portion 1 comprises ground-based server 11 and the terrestrial wireless communication device 12 that is connected with ground-based server 11; Vehicle-mounted part comprises onboard servers 21 and the in-vehicle wireless communication device 22 that is connected with onboard servers 21, also comprises the video output device 23 that is connected with onboard servers 21; Portable terminal 3 comprises and is used for setting up the communication of mobile terminal module of communicating by letter with in-vehicle wireless communication device.
Display is arranged at each compartment as video output device 23.The utility model comprises that also video acquisition device 24 is connected with onboard servers 21.Video acquisition device 24 is a camera.Vehicle-mounted part comprises the node apparatus that is distributed in each compartment, described node apparatus be connected with video output device 23, video acquisition device 24 and with the inside plant of communication of mobile terminal, and the external communication device 25 of communicating by letter with onboard servers.Loud speaker is connected with node apparatus.
Described portable terminal 3 comprises text input device, display screen, radio communication device and processor.
Embodiment is as follows more specifically:
Above ground portion comprises towards various device, the facility of road bureau, station/section passenger transportation management and statistical service.Generally constitute, be mainly used in the telemanagement of road bureau, the section of station passenger transportation management department system on the car by server or PC, switch and communication equipment.
The major function of above ground portion is for generating the primary data that the operation of train subsystem needs, comprise train apparatus inventory, road man's marshalling or the like, and the finish data of back record of each train operation are managed, comprise information stores, search, exception record or the like.
Vehicle-mounted part is made of the wireless device, PC server and the wireless camera that are fixedly mounted on the compartment, wireless device is used to make up the wireless broadband network of train inside, the PC server is used to carry every business, reaches the entertainment service business towards the passenger as crew management business, statistical service, video monitoring service.Wireless camera is used for the compartment image signal's collection, simultaneously the picture signal that collects is carried out compressed encoding and handles.
Portable terminal promptly is the handheld type devices that train crews is equipped with, and mainly is applicable to crew, train chief, train person on duty vehicular police and announcer, is used to implement every function of software systems institute tool.
Above ground portion is responsible for generating the primary data that each train operation needs, and finishes every train operation, when the train chief hands over to the next shift, generation data in the train subsystem is returned ground subsystem store.
The structurally metastable least unit of train is the compartment, according to the situation of train operation and the special construction of vehicle, between each compartment, adopt traditional network layout mode to connect: jolting and shake shake during train operation with there are the following problems, make the wire transmission circuit have very big hidden danger, cannot say for sure to demonstrate,prove permutation transmission line long-term stability, reliably working in the connection at two, compartment.Train may be organized into groups at any time again according to the operation needs, and the compartment of every train and number of carriages are fixing, organize into groups again and when carrying additionally the compartment switching of wire transmission cable and the variation of user access point quantity will be a hang-up.
For this reason, adopt wireless transmission method, can effectively address the above problem.Adopt the wireless network mode, can be under the situation of not destroying the compartment original structure, user access point and the Service Management center with each compartment couples together easily, sets up wireless network links rapidly.Wireless network is built has very high flexibility, when interim replacing of needs or increase and decrease compartment, can increase or reduce professional covering point easily in the shortest time.The structural topology of train internal wireless broadband networks as shown in Figure 2.
Except that service management compartment, the identical equipment of all the other every joint compartment configuration one covers comprises 1 WiMAX bridger, 1 WiMAX access device and 2 wireless network cameras.The Service Management compartment needs PC of additional configuration as service server except that the said equipment, and increases by 1 WiMAX bridger and 1 route exchange device so that sufficient data throughput bandwidth to be provided.For ensureing the requirement of multi-channel video transmission to the network bandwidth, design adopts broadband bridge joint and the access device of 54M to make up wireless network.The WiMAX bridger is equipped with high-gain, small size, low windage antenna, is fixed in ceiling appropriate location outside the compartment.In the wireless network signal coverage, the wireless device of opposite end will be differentiated and authenticate to WiMAX bridger with identical SSID setting automatically, the WiMAX bridger that meets the networking condition will connect into the network of point-to-point or point-to-multipoint automatically, needn't be in advance the parameter of opposite equip. be set to this machine, so just, after satisfying the compartment well and organizing into groups again, system need not manual intervention and the requirement that rebulids automatically.
Adopt the 802.11g access device of 2.4G frequency range to cover in the compartment, make things convenient for portable terminal to insert, car reaches over the ground and adopts the 802.11a broadband bridger of 5.8G frequency range to link between compartment and compartment, its Radio Link can reach the high network bandwidth of about 54Mbps, consider under the severe environmental conditions the influence of signal transmission quality and the expense of host-host protocol aspect, distance service management compartment farthest, compartment should obtain the valid data bandwidth of 15～20Mbps, satisfies the needs of system fully.In train was advanced at a high speed, the situation of turning often appearred.System still can operate as normal when guaranteeing negotiation of bends, native system designs the low windage antenna of the high-gain that adopts wide angle of radiation especially, level and vertical angle can satisfy train the wide-angle turning wait other advance change in communication link unimpeded, guaranteeing the stable connection of wireless signal, and can adapt to the system's instructions for use under the train operation environment fully.
The configuration structure of interior wireless device as shown in Figure 3.Radio communication chain circuit is divided into two parts, and central point and other are respectively from point.With the master control compartment of centre as the center.2 broadband bridgers covering from node to full car is installed in the master control compartment.From every joint car of node 1 broadband bridger is installed all, with the main website bridge joint on the master control compartment.Design can be supported the variation of compartment combination like this: train is in the restriction that increases, is not subjected to when reducing the compartment quantity, and except that the master control compartment, the random variation of other car position need not to do the normal connection that any configuration can guarantee network.
Portable terminal is the device that train crews is directly used, for being convenient for carrying, be designed to the hand-hold type data terminal, based on the WINCE platform construction, the design concept of " ALL IN ONE " is run through whole design, functions such as man-machine information exchange, wireless telecommunications, barcode scanner are integrated into one to be aimed in the single equipment that adapts to round-the-clock severe rugged environment application and design, satisfy mobile worker's round-the-clock use in any environment, be convenient to image data and service management more efficiently and accurately.This equipment should have following characteristic:
Central processing unit: 32 ARM9 high speed microprocessors, dominant frequency 〉=400MHz; Display resolution: monochrome or 65k look LCD, resolution 〉=160 * 160 points (Chinese character 10 row 10 row); Hand touch Waterproof push-button: 〉=16, be respectively: numeral/letter key, function key, on ﹠ off switch; Data storage: the big capacity RAM 〉=64Mbit of super low-power consumption; FlashMemory:16～144Mbit; (16M bits is standard configuration); Battery: lithium ion battery, stand-by time 〉=5 day; Communication function: UART, Wi-Fi and bluetooth; Real-time clock is prepared and carried and is used battery; Readable bar code/two-dimensional barcode information.
Present embodiment also comprises video monitoring system for railway track, mainly is made up of two parts: monitoring and transmission, two parts in ground control centre in the car.First realizes the real-time video centralized monitor of train inside to every joint compartment, is beneficial to the crew member emergency case that occurs in the compartment is made a response rapidly; Second portion is made up of ground control centre and contiguous station, realize the real-time monitoring in the operating railway car by the wireless video transmission technology, make control centre can in the very first time, understand field condition, and make overall instruction and solution rapidly.
Because train is to be formed by connecting by the more piece compartment, the video signal transmission between the compartment can realize by the jumper cable connector, but the fitter's work amount is too big, is more conducive to Project Realization so transmit with wireless mode.And to realize the ground control centre to the real-time monitoring in the operating railway car, to control centre, then adopt public wireless network to transmit more convenient realization the video monitoring image real-time Transmission in the railway car in travelling.
It is multiple to realize that the video Radio Transmission Technology has, as 3G mobile communication, WLAN (wireless local area network) (Wi-Fi), broadband wireless network (WiMAX) or the like.By comprehensive comparison, the mode of selecting the 3G mobile communication to combine with WLAN (wireless local area network) (Wi-Fi), it is the solution of comparative maturity, carry out the construction of WLAN (wireless local area network) (Wi-Fi) in train inside on the one hand, realize the seamless covering of train internal wireless network signal, reach the access of wireless video signal and gather.Cover at the 3G network of train path curb line on the other hand, carry out the video signal transmission of 3G signal, save the cost of base station capital construction by the mobile operator maturation.
At the development and the application of video monitoring system for railway track, at present main R﹠D direction is the application of video compression technology and Radio Transmission Technology, the research and development of information security technology and the application of application and special-purpose short distance mechanics of communication.
Video monitoring system for railway track in the present embodiment is a network multimedia video supervisory control system that cover is perfect, high efficiency, cost performance is high.It has integrated wireless data communication function and digital video coding function, and adopts embedded integrated design, and the integrated level height is convenient for installation and maintenance.
The image that high-definition camera collects is compressed by the video compression coding module, form mode by Wi-Fi with the network that the 3G wireless network combines by the intelligent wireless communication terminal again, real time video signals is transferred to that WLAN goes up and Internet on, realize video data alternately, transmission/reception, encryption and decryption, add function such as decoding.The crew member can check the real-time video in any joint compartment in any joint compartment of permutation car by WLAN.The ground monitoring center can obtain realtime graphic information from system terminal by Internet.This system combination the advantage of wireless network and the Internet, on space and distance, realized breakthrough expansion.
Video monitoring system mainly is made up of headend equipment, transmission network, Surveillance center and monitor terminal:
Headend equipment: high-definition camera is gathered the front end video; Vehicle-mounted machine coding encrypting module is carried out the encoding compression and the encryption of video data; Carry out the transmission transmission of video compression data again by signal transmission module;
Transmission network: by the Wi-Fi mode that combines with the 3G wireless network, the video compression coded signal is transferred on the public network, realizes the video remote transmission;
Surveillance center: be linked into the central server of Internet network, it need have independence, changeless IP address or domain name, and front end radio transmission apparatus and monitor terminal can have access to it on the nternet network like this;
Monitor terminal: office computer, notebook, PDA transfer monitored picture by the Internet access service device with real-time, diversified monitor mode.
Claims (6)
1. the train information network system is characterized in that, comprises above ground portion (1), vehicle-mounted part and portable terminal (3); Wherein,
Above ground portion (1) comprises ground-based server (11) and the terrestrial wireless communication device (12) that is connected with ground-based server (11);
Vehicle-mounted part comprises onboard servers (21) and the in-vehicle wireless communication device (22) that is connected with onboard servers (21), also comprises the video output device (23) that is connected with onboard servers (21);
Portable terminal (3) comprises and is used for setting up the communication of mobile terminal module of communicating by letter with in-vehicle wireless communication device.
2. train information network system as claimed in claim 1 is characterized in that, video output device (23) is arranged at each compartment.
3. train information network system as claimed in claim 1 is characterized in that, comprises that also video acquisition device (24) is connected with onboard servers (21).
4. train information network system as claimed in claim 1, it is characterized in that, vehicle-mounted part comprises the node apparatus that is distributed in each compartment, described node apparatus be connected with video output device (23), video acquisition device (24) and with the inside plant of communication of mobile terminal, and the external communication device of communicating by letter (25) with onboard servers.
5. train information network system as claimed in claim 1 is characterized in that, described portable terminal (3) comprises text input device, display screen, radio communication device and processor.
6. train information network system as claimed in claim 4 is characterized in that, comprises that also loud speaker is connected with node apparatus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200937247U CN202009406U (en) | 2011-04-01 | 2011-04-01 | Train information network system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200937247U CN202009406U (en) | 2011-04-01 | 2011-04-01 | Train information network system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202009406U true CN202009406U (en) | 2011-10-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200937247U Expired - Fee Related CN202009406U (en) | 2011-04-01 | 2011-04-01 | Train information network system |
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| CN (1) | CN202009406U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103052030A (en) * | 2012-12-10 | 2013-04-17 | 成都瑞杰斯特科技有限公司 | Reconnecting method and reconnecting system for train-mounted communication network |
| CN103067494A (en) * | 2012-12-26 | 2013-04-24 | 中国铁道科学研究院电子计算技术研究所 | Train information management system |
| CN105120533A (en) * | 2015-08-06 | 2015-12-02 | 尚一民 | Wireless network coverage system of train |
| CN109218405A (en) * | 2018-08-13 | 2019-01-15 | 武汉智慧地铁科技有限公司 | The multi-internet integration system of comprehensive bearing system applied to urban track traffic vehicle |
| CN116337491A (en) * | 2023-05-29 | 2023-06-27 | 眉山中车制动科技股份有限公司 | Train test bed data acquisition system and data acquisition method |
-
2011
- 2011-04-01 CN CN2011200937247U patent/CN202009406U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103052030A (en) * | 2012-12-10 | 2013-04-17 | 成都瑞杰斯特科技有限公司 | Reconnecting method and reconnecting system for train-mounted communication network |
| CN103052030B (en) * | 2012-12-10 | 2016-05-11 | 成都瑞杰斯特科技有限公司 | Train-installed communication network reconnection method and reconnecting system |
| CN103067494A (en) * | 2012-12-26 | 2013-04-24 | 中国铁道科学研究院电子计算技术研究所 | Train information management system |
| CN105120533A (en) * | 2015-08-06 | 2015-12-02 | 尚一民 | Wireless network coverage system of train |
| CN109218405A (en) * | 2018-08-13 | 2019-01-15 | 武汉智慧地铁科技有限公司 | The multi-internet integration system of comprehensive bearing system applied to urban track traffic vehicle |
| CN116337491A (en) * | 2023-05-29 | 2023-06-27 | 眉山中车制动科技股份有限公司 | Train test bed data acquisition system and data acquisition method |
| CN116337491B (en) * | 2023-05-29 | 2023-08-29 | 眉山中车制动科技股份有限公司 | Train test bed data acquisition system and data acquisition method |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111012 Termination date: 20140401 |