CN203537396U - Railway section communication access system - Google Patents
Railway section communication access system Download PDFInfo
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- CN203537396U CN203537396U CN201320576308.1U CN201320576308U CN203537396U CN 203537396 U CN203537396 U CN 203537396U CN 201320576308 U CN201320576308 U CN 201320576308U CN 203537396 U CN203537396 U CN 203537396U
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Abstract
The utility model relates to a railway section communication access system. The communication access system is composed of a station controller, an optical fiber channel, a section optical conversation column, a user linking device and a user terminal device. The station controller, the section optical conversation column and the user linking device are all connected by adopting optical fiber; and the user linking device and the user terminal device are connected by adopting a wireless communication way. Communication data in the station is received and processed by the station controller and sent to and received by the user terminal device; the communication data of the sections is received and processed by the user terminal device, and sent to and received by the station controller, so that the bidirectional communication between the railway section and the station is realized.
Description
technical field
The utility model relates to the voice-and-data connecting system that is applied to railway section wire communication, especially based on WIFI system and optical transmission system
railway section telecommunications access systems, can be widely used in the railway section communications such as railway, urban track traffic and toll cable line walking and maintenance emergency communication.
background technology
At present, the consideration in the railway section communication that does not cover GSM-R Railroad Communication System based on fail safe, reliability, economy, availability, junction call access generally adopts the mode of cable and inter-region communicating post.Which is utilized station switching equipment, is directly connected, for terminal unit remote provides power supply, voice-and-data passage by the telecommunication cable connecting between two stations with inter-region communicating post.
Railway interzone communication column is provided in a side of the telecommunication cable binding post of rail track both sides between two stations, interval 1.5～2km.Interim voice communications versus data communications access for railway line walking, maintenance, emergency repair.During use, Railway Site staff carries portable collective-electric telephone or shoulder-mounted man-operated or vehicular data and video speedily carry out rescue work equipment connection inter-region communicating post cable terminal access railway digital voice scheduling (number is adjusted) subsystem and data communication system.
Along with the development of electric railway, the electric railway traction electric current pair telecommunication cable parallel with railway produces serious electromagnetic interference, causes section communication quality degradation, even cannot use.And radio communication is due to the influence of topography, Financial cost, communication security, can not solve section communication transmission demand completely.
utility model content
In order to overcome traditional railway section telecommunication cable, be subject to the serious problem of electric railway traction electric current electromagnetic interference, the utility model provides a kind of railway section telecommunications access systems, this system can not only avoid being subject to the impact of electric railway electromagnetic interference, can also carry out the access of other several data business (voice, data, image etc.).
The utility model solves the technical scheme that its technical problem adopts: a kind of railway section telecommunications access systems, comprises station controller, optical-fibre channel, interval optical call pillar, user's chained device and the subscriber terminal equipment of data in transmitting-receiving station; Station controller is connected with interval optical call pillar by optical-fibre channel; User's chained device is connected with optical fiber with optical call pillar, and is connected with subscriber terminal equipment radio communication.
Above-mentioned interval optical call pillar adopts Passive Optical Components.
Station controller and user's chained device adopt optical fiber communication mode.
Above-mentioned user's chained device is chargeable portable set.
Above-mentioned user's chained device comprises optical transceiver module, the main control module being connected with power supply and wireless router, and optical transceiver module is connected by parallel-to-serial converter with main control module, and main control module and wireless router are electrically connected to.
The indoor chassis station control (containing voice, data-interface) that arranges of communication machinery, arranges one or more optical call pillars at railway section AT STATION, uses optical fiber to connect, can be by annular or star-like networking.Communication machinery indoor number in station adjusts the track side telephone interface of subsystem to be communicated with the speech interface of Digital Optical Terminal, the voice signal that number tune subsystem provides becomes digital optical signal by analog-to-digital conversion and the opto-electronic conversion of station controller, by Optical Fiber Transmission, arrive optical call pillar, in optical call pillar, be provided with a passive light dropinsert MUX, and provide optical fiber interface for user.User terminal is divided into two parts, and a part is link terminal, and this equipment contains wireless routing function, light signal can be converted to WiFi signal, for user provides wireless signal access function, and the self-powered power supply of link terminal equipment.Another part is application terminal, for user provides several data business (voice, data, image etc.), the self-powered power supply of application terminal equipment.User sends voice wireless signal by application terminal, signal is converted to light signal access optical call pillar by link terminal, by the get to the station Digital Optical Terminal of Communication machine room of Optical Fiber Transmission, by opto-electronic conversion and digital-to-analogue conversion, become voice signal, be linked into station number and adjust subsystem, thereby reach interval function of communicating by letter with station.
The beneficial effects of the utility model are, can replace traditional railway section telecommunication cable, are not subject to electric railway electromagnetic interference, and communication quality is reliable; Can utilize existing railway transmission cable to build, not need laying optical cable, construction cost is lower; Interval optical call pillar adopts Passive Optical Components, simple in structure, easy to maintenance.
accompanying drawing explanation
Fig. 1 is railway section communication system figure of the present utility model.
Voice in station, data-signal pass through a station after the analog-to-digital conversion of controller 103, multiplexing, opto-electronic conversion and become light signal, through optical-fibre channel 107, be transferred to inter-region communicating post 104, the chained device 105 of user side is connected with the light mouth of optical call pillar 104 by tail optical fiber 108, subscriber terminal equipment 106 is connected with chained device by wifi radio channel 109, can carry out with station communicating by letter of the information such as voice, data.
Fig. 2 is according to station controller principle figure of the present utility model.
Fig. 3 is optical call pillar composition diagram of the present utility model.
Fig. 4 is chained device schematic diagram of the present utility model.
Drawing reference numeral explanation: 100, network management system; 101, station digital dispatching subsystem; 102, digital signal transceiver; 103, station controller; 104, optical call pillar; 105, chained device; 106, terminal equipment; 107, optical-fibre channel; 108, tail optical fiber; 109, radio channel.
Embodiment
Under in connection with accompanying drawing of the present utility model, it set forth and illustrate.
The utility model is the communication issue of Solving Station and railway section.System of the present utility model as shown in Figure 1, arranges station controller 103, network management system 100 in AT STATION; Railway section arranges optical call pillar 104; User side arranges chain pipeline equipment 105, application terminal equipment 106; Station equipment adopts optical-fibre channel 107 to be connected with interval equipment, and interval equipment adopts tail optical fiber 108 to be connected with user link equipment, and chain pipeline equipment adopts wifi radio channel 109 to be connected with application terminal equipment.
Station and interval user's communication mode is as follows: the voice at station, data-signal access station controller 103, station controller principle figure as shown in Figure 2, analog signal becomes digital signal access main control module with analog-to-digital conversion after filtering, digital signal directly accesses main control module, and various signals send to interval optical call pillar 104 by optical-fibre channel after main control module processing, interface conversion, opto-electronic conversion.As shown in Figure 3, optical fiber distributing unit and Light splitter toy are Passive Optical Components to optical call pillar composition diagram, for station sends to interval user's light signal, provide optical interface.As shown in Figure 4, chained device 105 is by optical call pillar 104 receiving optical signals and be converted to wireless signal, by wifi radio channel 109, sends to subscriber terminal equipment 106 for interval user's chained device schematic diagram.Subscriber terminal equipment schematic diagram as shown in Figure 5, subscriber terminal equipment 106 receive wireless signal and by main control module, process after be reduced to corresponding voice, data-signal.
The communication mode at interval user and station is as follows: the voice that interval user sends, data-signal are processed and are converted to digital wireless signal through subscriber terminal equipment 106, by wifi radio channel 109, send to user's chained device, chained device 105 is processed wireless signal is converted to light signal through opto-electronic conversion.The light signal that chained device 105 sends is by interval optical call pillar 104 access station controllers 103, and the light signal that station controller 103 receives turns and is reduced to corresponding voice, data-signal through the processing of main control module.
Claims (4)
1. a railway section telecommunications access systems, is characterized in that: the station controller, optical-fibre channel, interval optical call pillar, user's chained device and the subscriber terminal equipment that comprise data in transmitting-receiving station; Station controller adopts optical fiber to be connected with interval optical call pillar; User's chained device is connected with optical fiber with optical call pillar, and is connected with subscriber terminal equipment radio communication.
2. railway section telecommunications access systems according to claim 1, is characterized in that: interval optical call pillar adopts Passive Optical Components.
3. railway section telecommunications access systems according to claim 1 and 2, is characterized in that: user's chained device is chargeable portable set.
4. railway section telecommunications access systems according to claim 3, it is characterized in that: user's chained device comprises optical transceiver module, the main control module being connected with power supply and wireless router, optical transceiver module is connected by parallel-to-serial converter with main control module, and main control module and wireless router are electrically connected to.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320576308.1U CN203537396U (en) | 2013-09-18 | 2013-09-18 | Railway section communication access system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320576308.1U CN203537396U (en) | 2013-09-18 | 2013-09-18 | Railway section communication access system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203537396U true CN203537396U (en) | 2014-04-09 |
Family
ID=50423566
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320576308.1U Expired - Lifetime CN203537396U (en) | 2013-09-18 | 2013-09-18 | Railway section communication access system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203537396U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103441800A (en) * | 2013-09-18 | 2013-12-11 | 中铁二院武汉勘察设计研究院有限责任公司 | Optical communication access method and system used for railway section communication |
| CN104954029A (en) * | 2015-05-28 | 2015-09-30 | 成都中微电微波技术有限公司 | Photoelectric conversion communication terminal |
-
2013
- 2013-09-18 CN CN201320576308.1U patent/CN203537396U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103441800A (en) * | 2013-09-18 | 2013-12-11 | 中铁二院武汉勘察设计研究院有限责任公司 | Optical communication access method and system used for railway section communication |
| CN104954029A (en) * | 2015-05-28 | 2015-09-30 | 成都中微电微波技术有限公司 | Photoelectric conversion communication terminal |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: WUHAN RAILWAY SURVEY + DESIGN INSTITUTE CO., LTD. Free format text: FORMER NAME: CREEC (WUHAN) SURVEY, DESIGN AND RESEARCH CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 430074 No. 614, democracy Road, Wuchang District, Hubei, Wuhan Patentee after: CHINA RAILWAY WUHAN SURVEY AND DESIGN & INSTITUTE Co.,Ltd. Address before: 430074 No. 614, democracy Road, Wuchang District, Hubei, Wuhan Patentee before: China Railway Second Institute Wuhan Survey, Design and Research Institute Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140409 |