CN207706173U - A kind of railway digital wireless train dispatching station radio - Google Patents
A kind of railway digital wireless train dispatching station radio Download PDFInfo
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- CN207706173U CN207706173U CN201820027037.7U CN201820027037U CN207706173U CN 207706173 U CN207706173 U CN 207706173U CN 201820027037 U CN201820027037 U CN 201820027037U CN 207706173 U CN207706173 U CN 207706173U
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Abstract
The utility model provides a kind of railway digital wireless train dispatching station radio, includes host and operating terminal with wireless communication unit, Landline communication unit, main control unit, button display unit, recording unit and power supply unit；Wireless communication unit, button display unit, recording unit and power supply unit are connect by CAN bus with main control unit；Landline communication unit is connect by RS422 interfaces with main control unit；Operating terminal is connect by 2B+D interfaces with main control unit.The wireless portion of the utility model uses TDMA digital wireless communications technology and dynamic channel allocating technology in order, realizes that station radio set supports the call function of multiple wireless terminal users simultaneously；Wireline side uses E1 interface communication technologies, realizes station radio set and station radio set, scheduling radio station and monitors the digital communication demand between exchange；And the 2B+D communication technologys are based on, so that voice data communication is transmitted with control signaling synchronization for data communication, improves communication efficiency.
Description
Technical field
The utility model is related to a kind of station radio sets, specifically, being related to a kind of railway digital wireless train dispatching station radio.
Background technology
Railway wireless train tune communication system private network is the important communication system for ensureing railway operation safety, China's major part iron
Road is still the wireless communication system for continuing to use original analogue technique structure, in face of limited frequency spectrum resource, the increasingly increased volume of the flow of passengers,
Contradiction between a large amount of information to be treated, conventional analog communication technology can not meet railway high speed, heavy duty comprehensively
Change, is information-based, modernization needs.
Digital communication has gradually replaced traditional analogue communication with its outstanding performance in more and more applications, at
For mainstream development direction in the communications field.The development of railway wireless communication " mould revolution " has become certainty.
It is existing simulation wireless train dispatching station radio use FM modulation analog radio technology, based on simulation with frequency or alien frequencies without
Line intercommunication standard, this communication belongs to narrow band communication, and a channel can only support lineup to converse, the availability of frequency spectrum compared with
Low, call sound quality is poor, it is difficult to meet the needs of railway future multi-user and multi-service development.
Utility model content
In place of solving above-mentioned the deficiencies in the prior art, the purpose of this utility model is to provide a kind of railway digital without
Alignment dispatching station radio, to overcome defect in the prior art.
To achieve the goals above, the utility model provides a kind of railway digital wireless train dispatching station radio, the iron
Railway digital wireless train dispatching station radio includes host and operating terminal；Wherein, the host includes antenna feeder unit, wireless communication
Unit, Landline communication unit, main control unit, button display unit, recording unit and power supply unit；Wherein, antenna feeder unit with
Wireless communication unit connects；Wireless communication unit, button display unit, recording unit and power supply unit pass through CAN bus and master
Control unit connection；Landline communication unit is connect by RS422 interfaces with main control unit；Operating terminal passes through 2B+D interfaces and master control
Unit connects.
As the further explanation to railway digital wireless train dispatching station radio described in the utility model, it is preferable that nothing
Line communication unit includes duplexer, branch apparatus, the first channel device, second channel machine, third channel device and combining device；Its
In, duplexer is connect with branch apparatus, and branch apparatus is connect with the first channel device, second channel machine and third channel device respectively,
First channel device, second channel machine and third channel device are connect with combining device, and combining device is connect with duplexer.
As the further explanation to railway digital wireless train dispatching station radio described in the utility model, it is preferable that main
It controls unit and uses master-slave redundancy pattern, main control unit includes primary main control unit and spare main control unit.
As the further explanation to railway digital wireless train dispatching station radio described in the utility model, it is preferable that note
It records unit and uses master-slave redundancy pattern, recording unit includes primary recording unit and duplicated record unit.
As the further explanation to railway digital wireless train dispatching station radio described in the utility model, it is preferable that electricity
Source unit includes that AC220V turns DC13.8V power module of voltage regulation, AC220V turns DC5V power regulator modules and power sense circuit.
As the further explanation to railway digital wireless train dispatching station radio described in the utility model, it is preferable that behaviour
As terminal include CPU, button display interface, 2B+D interfaces, USB interface, FE interfaces, audio input output interface, control cable interface,
Test interface, expansion interface and Power Management Unit；Wherein, CPU respectively with button display interface, 2B+D interfaces, USB interface,
FE interfaces, audio input output interface, control cable interface, test interface are connected with expansion interface；Liquid crystal built in button display interface
Driving, touch screen driving and button driving, the external main control unit of 2B+D interfaces.
As the further explanation to railway digital wireless train dispatching station radio described in the utility model, it is preferable that CPU
Using ARM Cortex-M3 core microprocessors.
The wireless communication unit of the utility model uses TDMA digital wireless communications technology and dynamic channel allocating technology in order, excellent
Selection of land possesses 6 channels, and 1 channel is digital service control channel, and 5 channels are voice communication channel, realize station radio set
The call function that can support multiple wireless terminal users simultaneously improves the power system capacity of station radio set, reduces interference, effectively
Utilize limited channel resource.
The Landline communication unit of the utility model uses E1 interface communication technologies, builds railway wireless train dispatching station radio
Wireline communication network realizes that station radio set and station radio set, the digitlization between station radio set and scheduling radio station, monitoring exchange are logical
Letter demand.
Communication between the host and operating terminal of the utility model is based on 2B+D technologies, realizes station radio set host and behaviour
Make terminal speech data communication communicated with control signaling data can synchronous transfer function, improve communication efficiency.
Description of the drawings
Fig. 1 is the hardware architecture block diagram of the railway digital wireless train dispatching station radio of the utility model；
Fig. 2 is the structural schematic diagram of the host of the utility model；
Fig. 3 is the structural schematic diagram of the operating terminal of the utility model.
Specific implementation mode
In order to further appreciate that the structure, feature and other purposes of the utility model, in conjunction with appended preferable implementation
Example is accompanied by attached drawing, and detailed description are as follows, this attached drawing embodiment described is merely to illustrate the technical solution of the utility model, and
Non-limiting the utility model.
As shown in FIG. 1, FIG. 1 is the hardware architecture block diagrams of the railway digital wireless train dispatching station radio of the utility model；Institute
It includes host and operating terminal 8 to state railway digital wireless train dispatching station radio；Wherein, the host includes antenna feeder unit 1, nothing
Line communication unit 2, Landline communication unit 3, main control unit 4, button display unit 5, recording unit 6, power supply unit 7 and interface list
Member；Wherein, antenna feeder unit 1 is connect with wireless communication unit 2；Wireless communication unit 2, button display unit 5, recording unit 6
It is connect with main control unit 4 by CAN bus with power supply unit 7；Landline communication unit 3 is connected by RS422 interfaces and main control unit 4
It connects；Operating terminal 8 is connect by 2B+D interfaces with main control unit 4.
Wireless communication unit 2 may be implemented digital radio intercommunication function, realize station radio set and locomotive station, portable it
Between wireless communication.Landline communication unit 3 is using the E1 interface nettings communication technology, it can be achieved that E1 interface number wire communication work(
Can, the wire communication between station radio set, between station radio set and dispatching telephone control board, monitoring exchange may be implemented.Based on station electricity
Wired paths forwarding capability between platform realizes locomotive station, portable long haul communication between different stations, realizes that scheduling is total
Machine and locomotive station, portable communication function.
Host
Fig. 2 is please referred to, Fig. 2 is the structural schematic diagram of the host of the utility model；Host is mainly by channel device subrack, master control
Unit subrack, power supply unit subrack composition.Communication between channel device subrack and main control unit subrack each unit uses CAN bus
Mode.
Channel device subrack
Wireless communication unit 2 is configured in channel device subrack.Wireless communication unit 2 includes duplexer 21, branch apparatus 22, the
One channel device 23, second channel machine 24, third channel device 25 and combining device 26；Wherein, duplexer 21 connects with branch apparatus 22
It connecing, branch apparatus 22 is connect with the first channel device 23, second channel machine 24 and third channel device 25 respectively, the first channel device 23,
Second channel machine 24 and third channel device 25 are connect with combining device 26, and combining device 26 is connect with duplexer 21.
Using duplexer, it is combined into all the way with realizing to receive and emit signal, uses the function of an antenna；It is filled using branch
It sets and is used for reception of wireless signals, and the signal received is divided into 3 tunnels and is sent to 3 channel devices respectively；It is used for using combining device
The transmitting signal of 3 channel devices can be combined into 1 tunnel simultaneously and transmitted wirelessly by wireless transmission signal；3 channel devices of configuration are adopted
It is built with TDMA digital wireless communication technologies, just possesses 6 channels using three channel devices in this way, using dynamic channel allocation skill
Art, setting wherein 1 channel is digital service control channel, other 5 channels are voice communication channel, and station electricity may be implemented
Platform can support the call function of multiple wireless terminal users simultaneously, improve the power system capacity of station radio set, reduce interference, effectively
Ground utilizes limited channel resource；Station radio set is also reserved with direct channel simultaneously, the work(that can directly can be conversed by PTT
Energy.
Main control unit subrack
Landline communication unit 3, main control unit 4, button display unit 5, recording unit 6 are configured in main control unit subrack and are connect
Mouth unit.Formant in main control unit subrack uses master-slave redundancy pattern, that is, includes primary main control unit 41 and primary note
Record unit 61, spare main control unit 42 and duplicated record unit 62, when primary unit cisco unity malfunction, by stand-by unit into
Row work.
Main control unit 4 is built based on ARM Cortex-A8 core microprocessors, supports LINUX operating systems, operation
Dominant frequency reaches as high as 1GHz, is integrated with 1 tunnel gigabit network interface, CAN controller, IIC controllers, LCD controller, Power VR
SGX530 graphics processors are the ideal microprocessor chips of the application fields such as Industry Control, multimedia terminal.Main control unit is
The central hub of station equipment is responsible for each component units/module of connection equipment, according to the interface protocol of regulation and each group
It is communicated at units/modules；Video, voice, the data information of analysis and processing communication link, are carried out by set-up function
Display is played, storage, is forwarded；The operational order of operating terminal is responded etc..
Based on CAN bus data communication interface, the communication of main control unit 4 and wireless communication unit 2 is realized, realize master control list
Member 4 controls the first channel device 23, second channel machine 24 and/or third channel device 25 and starts wireless transmission data and receive without line number
According to function, realize that the first channel device 23 of control, second channel machine 24 and/or third channel device 25 switch channel function, realize
Control channel machine reset function realizes that the first channel device 23 of control, second channel machine 24 and/or third channel device 25 carry out self-test
Function.Station radio set and locomotive station, portable wireless communication are realized based on wireless communication, are realized between forwarding adjacent station
Wireless communication between locomotive station and locomotive station, locomotive station and portable, portable and portable.
Based on CAN bus data communication interface, the communication of main control unit 4 and button display unit 5 is realized.Button display is single
Member 5 uses high-resolution color liquid crystal touch screen curtain and button, realizes that host and operating terminal working condition, talking state are same
Step display realizes the functions such as station parameter query and setting, realizes the functions such as self-detection result is shown, fault alarm is shown.Master control
Unit 4 realizes the functions such as record queries, Local Parameters inquiry, Local Parameters setting by scanning button, detection button operation,
Main control unit 4 controls liquid crystal display real-time display operating process.Main control unit 4 sends the information such as working condition, talking state in real time
It is shown to liquid crystal display.When station radio set self-test or failure, liquid crystal display display fault message and warning message, and with
Voice prompt.
Based on CAN bus data communication interface, realize that main control unit 4 is communicated with the data of recording unit 6.Recording unit 6
Using high-capacity FLASH memory chip, the storage of station radio set host parameter is realized, realize station radio set work log note
Station radio set and other equipment voice, the record of digital communication are realized in record.Based on USB interface, realize that computer high speed reads note
Record the function of the information of unit storage, computer such as can modify to recording unit, delete at the operations.Main control unit 4 will operate
The information storages such as record and other equipment communications records are in recording unit；Voice data is sent to recording unit by main control unit 4
6 are stored.Station radio set computer maintenance software reads all of recording unit storage by the USB interface of recording unit 6
Information, user can show operation note message registration information, print；Operations are played out etc. to voice messaging.
Based on RS422 data communication interfaces, the communication of main control unit 4 and E1 interfaces Landline communication unit 3 is realized, realize master
Control unit 4 sends and receivees the function of cable data.Based on E1 interface communication technologies, realize between station radio set, station radio set
With the wire communication between dispatching telephone control board, monitoring exchange.There is E1 interfaces bypass functionality, station radio set power-off not to influence in looped network
The communication of other equipment.
Based on RS422 interfaces, realizes the running number information that station radio set wireless receiving locomotive radio station is sent, pass through interface list
The RS422 interfaces of member are forwarded to the function of adjusting prison extension set.
Based on 2B+D data communication interfaces, the communication of main control unit 4 and operating terminal 8 is realized, realize station radio set host
Communicated with operating terminal voice data communication with control signaling data can synchronous transfer function, improve communication efficiency, realize vehicle
Station radio group exhales, it is a exhale, the call functions such as urgent call.It realizes the functions such as station radio set parameter query, setting, realizes operation eventually
Hold liquid crystal display and host liquid crystal display simultaneous display working condition, the function of talking state.
Based on CAN bus data communication interface, the communication of main control unit 4 and power supply unit 7 is realized, realize main control unit 4
The real time status informations such as station radio set operating supply voltage, operating current are obtained, when supply voltage or abnormal operating current,
Main control unit 4 will in liquid crystal screen display fault message and alarm identifier, and with cycle voice prompt.
Power supply unit subrack
Power supply unit 7 is configured in power supply unit subrack.Power supply unit 7 including AC220V turn DC13.8V power module of voltage regulation,
AC220V turns DC5V power regulator modules and power sense circuit, and AC220V turns DC13.8V power module of voltage regulation and AC220V turns
DC5V power regulator modules provide reliable and stable operating voltage for each unit, and power sense circuit is realized using AD detection circuits
Monitoring to complete machine real-time voltage, electric current, and monitoring result timing is sent to main control unit 4.
Operating terminal
Fig. 3 is please referred to, Fig. 3 is the structural schematic diagram of the operating terminal of the utility model；Operating terminal 8 includes CPU81, presses
Key display interface 82,2B+D interfaces 83, USB interface 84, FE interfaces 85, audio input output interface 86, control cable interface 87, test
Interface 88, expansion interface 89, Power Management Unit 810 and FLASH；Wherein, CPU81 respectively with button display interface 82,2B+D
Interface 83, USB interface 84, FE interfaces 85, audio input output interface 86, control cable interface 87, test interface 88, expansion interface 89
It is connected with FLASH.
CPU81 is built using ARM Cortex-M3 core microprocessors, and Linux operations system is realized on the hardware platform
System supports ram space, the spaces FLASH of 1G bytes and the TFT liquid crystal displays of 320X240 of 512M bytes.For realizing man-machine
Operate the processing of display.
Liquid crystal drive, touch screen driving and button driving, external color touch display screen are real built in button display interface 82
Existing station radio set working condition, talking state show, and can the current registered locomotive of Dynamic Announce running number.Station is on duty
The optional running number of member calls trainman, can also be manually entered running number calling trainman and converse.
2B+D interfaces 83 are connect by 2B+D chipsets with CPU81,83 external main control unit 4 of 2B+D interfaces, using 2B+D
The communication technology realizes the voice between operating terminal and host, signaling data interaction.
USB interface 84 is connect by USB chips with CPU81, using USB interface, realizes that computer high-speed data downloads work(
Energy.
FE interfaces 85 are reserved 100M Ethernet interfaces, are used for remote maintenance station radio set.
Audio input output interface 86 is connect by voicefrequency circuit and dsp chip with CPU81, external recording machine, microphone and
Loudspeaker, using DSP voice digitizing technologies, cooperation high-quality loudspeaker, microphone are realized the voice call function of high quality, are realized
Voice digitization transfer function improves the clarity of voice transfer anti-interference ability and call voice.Station radio set is to all
Call record, user can extract the recording of corresponding period by operating terminal button operation, by operating terminal loudspeaker into
Row plays, or the recording of corresponding period can be played using computer audio playout software after computer reads recording data.
Control cable interface 87 is connect by RS422 chips with CPU81, is reserved RS422 control cable interface compatibilities and is simulated station radio set
Control box.
Test interface 88 is connect by RS232 chips with CPU81, using RS232 interface, realizes that Linux consoles are downloaded
Function.
Expansion interface 89 uses GPIO interface, realizes the scanning function of the signals such as liquid crystal display touch key-press and PTT, HOOK,
Realize the control functions such as voice channel, key-press backlight and LCD backlight.
Power Management Unit 810 uses power supplied locally mode, and using power module of voltage regulation to provide stabilization for operating terminal can
The power supply leaned on.Operating terminal power supply monitoring is realized using observation circuit.
It is to be understood that above-mentioned utility model content and specific implementation mode are intended to prove the provided skill of the utility model
The practical application of art scheme should not be construed as the restriction to scope of protection of the utility model.Those skilled in the art are in this practicality
In novel spirit and principle, when can various modifications may be made, equivalent replacement or improvement.The scope of protection of the utility model is with appended power
Subject to sharp claim.
Claims (7)
1. a kind of railway digital wireless train dispatching station radio, which is characterized in that the railway digital wireless train dispatching station radio packet
Include host and operating terminal (8)；Wherein,
The host includes antenna feeder unit (1), wireless communication unit (2), Landline communication unit (3), main control unit (4), presses
Key display unit (5), recording unit (6) and power supply unit (7)；Wherein,
Antenna feeder unit (1) is connect with wireless communication unit (2)；
Wireless communication unit (2), button display unit (5), recording unit (6) and power supply unit (7) pass through CAN bus and master control
Unit (4) connects；
Landline communication unit (3) is connect by RS422 interfaces with main control unit (4)；
Operating terminal (8) is connect by 2B+D interfaces with main control unit (4).
2. railway digital wireless train dispatching station radio as described in claim 1, which is characterized in that wireless communication unit (2) wraps
Include duplexer (21), branch apparatus (22), the first channel device (23), second channel machine (24), third channel device (25) and combining
Device (26)；Wherein, duplexer (21) is connect with branch apparatus (22), branch apparatus (22) respectively with the first channel device (23),
Second channel machine (24) and third channel device (25) connection, the first channel device (23), second channel machine (24) and third channel device
(25) it is connect with combining device (26), combining device (26) is connect with duplexer (21).
3. railway digital wireless train dispatching station radio as described in claim 1, which is characterized in that main control unit (4) is using master
Standby redundant mode, main control unit (4) includes primary main control unit (41) and spare main control unit (42).
4. railway digital wireless train dispatching station radio as described in claim 1, which is characterized in that recording unit (6) is using master
Standby redundant mode, recording unit (6) includes primary recording unit (61) and duplicated record unit (62).
5. railway digital wireless train dispatching station radio as described in claim 1, which is characterized in that power supply unit (7) includes
AC220V turns DC13.8V power module of voltage regulation, AC220V turns DC5V power regulator modules and power sense circuit.
6. railway digital wireless train dispatching station radio as described in claim 1, which is characterized in that operating terminal (8) includes CPU
(81), button display interface (82), 2B+D interfaces (83), USB interface (84), FE interfaces (85), audio input output interface
(86), control cable interface (87), test interface (88), expansion interface (89) and Power Management Unit (810)；Wherein, CPU (81) points
Not with button display interface (82), 2B+D interfaces (83), USB interface (84), FE interfaces (85), audio input output interface
(86), control cable interface (87), test interface (88) and expansion interface (89) connection；Liquid crystal built in button display interface (82) drives
Dynamic, touch screen driving and button driving, 2B+D interfaces (83) external main control unit (4).
7. railway digital wireless train dispatching station radio as claimed in claim 6, which is characterized in that CPU (81) uses ARM
Cortex-M3 core microprocessors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820027037.7U CN207706173U (en) | 2018-01-08 | 2018-01-08 | A kind of railway digital wireless train dispatching station radio |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820027037.7U CN207706173U (en) | 2018-01-08 | 2018-01-08 | A kind of railway digital wireless train dispatching station radio |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207706173U true CN207706173U (en) | 2018-08-07 |
Family
ID=63034657
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820027037.7U Active CN207706173U (en) | 2018-01-08 | 2018-01-08 | A kind of railway digital wireless train dispatching station radio |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207706173U (en) |
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2018
- 2018-01-08 CN CN201820027037.7U patent/CN207706173U/en active Active
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