CN104787086A - Digital train wireless dispatching communication system locomotive radio station - Google Patents
Digital train wireless dispatching communication system locomotive radio station Download PDFInfo
- Publication number
- CN104787086A CN104787086A CN201510184144.1A CN201510184144A CN104787086A CN 104787086 A CN104787086 A CN 104787086A CN 201510184144 A CN201510184144 A CN 201510184144A CN 104787086 A CN104787086 A CN 104787086A
- Authority
- CN
- China
- Prior art keywords
- interface
- train
- radio station
- tail
- cpu
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Mobile Radio Communication Systems (AREA)
Abstract
The invention provides a digital train wireless dispatching communication system locomotive radio station. The radio station comprises a train tail locomotive radio station mainframe, a control box and a multi-frequency-band antenna. The train tail locomotive radio station mainframe comprises a master control board. The master control board is connected with a power source module, a storage battery, a 400 MHz digital radio station body and a GPRS module. The master control board is connected to the control box, a CIR depot examination platform and a computer through interface units. The 400 MHz digital radio station body and the GPRS module are connected to the multi-frequency-band antenna through a combiner. The power source module is powered through input of a DC 110 V power source. The GSM-R+400 MHz digital double-module is adopted to be used for the train zones where the GSM-R system and the 400 MHz digital system of tail train operation routes are adopted at the same time, meanwhile, the radio station has the simulation system train tail function and is capable of being compatible with 450 MHz simulation system train tail devices, the unique corresponding relation between the radio station and the train tail mainframe is removed through number cancel and disconnection, and the radio station is safe, convenient and fast to use.
Description
Technical field
The present invention relates to Radio train dispatching technical field, be specially a kind of digital train wireless dispatching communication system locomotive station.
Background technology
Lorry row tail technology is used for many years in China railways maturation, uses lorry train tail apparatus to replace guard's van and has vital function for guarantee driving safety, significantly improve operating efficiency, save a large amount of labour costs, achieve good economic benefit.For the operation management of specification Train End Equipment, railway competent authorities have issued " train-tail safty guard and attendant equipment " (TB/T2973-2006) and " freight train afterbody safety device supplements technical requirements " (No. 2012 [283], Railway transportation) in succession.
At present, lorry train end information transmission over radio generally adopts 450MHz frequency range analog system.Doing fortune according to Ministry of Industry and Information's [2009] No. 666 files " the Ministry of Industry and Information Technology is about the planning of 150MHz 400MHz Special answering unit frequency and the notice of use management handling matters concerned " and portion of the Ministry of Railways, to send out [2010] No. 1 " planning and the notice of use management handling matters concerned about forwarding the Ministry of Industry and Information Technology about 150MHz 400MHz Special answering unit frequency " spiritual, from 1 day January in 2011, country stops the Type Approval of analog-interphone equipment in 150MHz 400MHz frequency range, popularizes digital handset in an all-round way.The Ministry of Industry and Information issued for 2013 is without [2013] No. 157 files " the Ministry of Industry and Information Technology is about the notice of radio station standardized management some problem ", 450MHz frequency range is defined as IMT business and will use frequency range future, require the users such as railway former 450MHz frequency range business should be transferred to public's interphone frequency or other meet the interphone frequency of planning.For complying with national policy, lorry train end information transmission over radio should progressively upgrade to 400MHz digital system from analog system.Meanwhile, for solving the problem of Mountain Tunnels section lorry row tail communication distance, GPRS mode can be adopted when possessing GSM-R network, reducing the use of trunking.
Adopting GPRS mode and 400MHz digital form to carry out, lorry row tail communicates is trend of the times, for active response National Radio frequency policy, GPRS and 400MHz digital double-mode row tail overall technological scheme need be proposed, and compatible existing 450MHz simulates row tail system, to ensure the normal utilization of lorry row tail.
Summary of the invention
Technical matters solved by the invention is to provide a kind of digital train wireless dispatching communication system locomotive station, to solve the problem in above-mentioned background technology.
Technical matters solved by the invention realizes by the following technical solutions: a kind of digital train wireless dispatching communication system locomotive station, comprise row tail locomotive station main frame, control capsule, multiband aerial, described row tail locomotive station main frame comprises master control board, master control board is connected with power module, storage battery, 400MHz digital radio station, GPRS module, master control board is connected to control capsule by interface unit, CIR storehouse is examined on platform and computing machine, 400MHz digital radio station, GPRS module is connected on multiband aerial by combiner, power module inputs power supply by DC110V power supply.
Preferably, described master control board comprises CPU, CPU is provided with DLL (dynamic link library), RS422 interface, CPU is connected on control capsule and CIR data-interface by RS422 interface conversion, CPU connects GPRS module and reserved 8W-GPRS module interface by RS232 interface, CPU is connected to radio interface by serial ports, is received and dispatched by FFSH and amplifier is connected to radio interface simultaneously, FFSH transmitting-receiving and amplifier are connected to maintenance interface, maintenance interface is connected on CIR data-interface and radio station, and 110V power module and storage battery are powered to CPU by switching over.
Preferably, described CPU is connected with FLASH memory by SPI interface, and CPU connects house dog by I2C interface.
Compared with public technology, there is following advantage in the present invention: the row tail region section that the present invention uses GSM-R+400MHz digital double-mode to use for GSM-R standard and 400MHz digital system for train operation cross-channel simultaneously, there is analog system row tail function simultaneously, can compatible existing 450MHz analog system Train End Equipment, by disannul a call and disconnection and train tail host remove unique corresponding relation safe and convenient.
Accompanying drawing explanation
Fig. 1 is structural schematic block diagram of the present invention.
Fig. 2 is master control board structural schematic block diagram of the present invention.
Detailed description of the invention
Object is reached and effect is easy to understand in order to make technological means of the present invention, creation characteristic, workflow, using method, below in conjunction with the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
As shown in Figure 1, the present invention proposes a kind of digital train wireless dispatching communication system locomotive station, comprise row tail locomotive station main frame, control capsule, multiband aerial, described row tail locomotive station main frame comprises master control board, master control board is connected with power module, storage battery, 400MHz digital radio station, GPRS module, master control board is connected on control capsule, CIR storehouse inspection platform and computing machine by interface unit, 400MHz digital radio station, GPRS module are connected on multiband aerial by combiner, and power module inputs power supply by DC110V power supply.
As shown in Figure 2, described master control board comprises CPU, CPU is provided with DLL (dynamic link library), RS422 interface, CPU is connected on control capsule and CIR data-interface by RS422 interface conversion, CPU connects GPRS module and reserved 8W-GPRS module interface by RS232 interface, CPU is connected to radio interface by serial ports, is received and dispatched by FFSH and amplifier is connected to radio interface simultaneously, FFSH transmitting-receiving and amplifier are connected to maintenance interface, maintenance interface is connected on CIR data-interface and radio station, and 110V power module and storage battery are powered to CPU by switching over.
In the present embodiment, described CPU is connected with FLASH memory by SPI interface, and CPU connects house dog by I2C interface.
In the present embodiment, described CPU is LPC1778CPU.
Principle of work of the present invention is:
In the present invention, row tail locomotive platform mode of operation is GSM-R+400MHz digital double-mode, it is the row tail region section that GSM-R standard and 400MHz digital system use simultaneously that GSM-R+400MHz digital double-mode is used for train operation cross-channel, driver needs defeated number to set up the connection of row tail could use row tail function, does not process the train end information of 450MHz analog system.
After defeated number of driver, row tail locomotive platform should send the defeated number order of GSM-R and 400MHz numeral simultaneously, as received the response of defeated number of GSM-R or 400MHz sum tail, then give tacit consent to and establish GSM-R with 400MHz sum tail simultaneously and be connected, display " connecting ", should receive process GSM-R and 400MHz numeral train end information, driver selected to send GSM-R train end information (1s) or 400MHz numeral train end information (2s) by the key press time.
When row tail locomotive platform GSM-R state is normal, the order of Automatic inquirying blast is sent with GSM-R standard, otherwise send the order of Automatic inquirying blast with 400MHz digital system, if row tail locomotive platform does not receive any GSM-R or 400MHz numeral train end information in 5min, automatically should send the order of inquiry blast to train tail host with GSM-R and 400MHz digital system simultaneously, if still do not receive any train end information in 10s subsequently, row tail locomotive platform should send alarm voice message, and communications status is shown as " communication failure ".When row tail locomotive platform is in communication failure state, alarm voice message is stopped paying out after driver presses " confirmation " key, every 25 ~ the 30s of row tail locomotive platform is automatic at random sends blast querying command with GSM-R and 400MHz digital system to train tail host, as received engine number, train tail host ID and the machine store consistent with GSM-R or 400MHz digital system train end information, then exit communication failure state, and stop communication failure voice message.
When row tail locomotive platform sends air draft brake command, send blast with GSM-R and 400MHz digital system simultaneously, automatically retransmit during nonreply.Row tail locomotive platform, when 5min adduction has been GSM-R train end information, carries out dynamic pressure display with GSM-R row tail standard, otherwise carries out dynamic pressure display with GSMR-R row tail and 400MHz sum tail standard simultaneously.
At present, the digital radio intercom system of main flow mainly contains DMR and dPMR (NXDN) two kinds of standards, and wherein DMR adopts TDMA multiplex mode, and dPMR (NXDN) adopts FDMA multiplex mode.Run across cross-channel because lorry row tail has, through carrying out analysis and comparison to these two kinds of digital wireless communication standards, preliminary selected DMR, as the communication standard of 400MHz sum tail, can meet every actual demand that row tail uses.
Workflow of the present invention is:
400MHz figure pattern sets up row tail annexation, automatically enters standby not-connected status (initiatively not sending any train end information) after train tail host start, 5 Digital sum pipe display "-H H-" 8s in row tail standard lamp; Driver is after row tail locomotive platform input train tail host ID, and row tail locomotive platform sends defeated command information to train tail host, and the information content comprises engine number and train tail host ID.Train tail host judges after receiving, if the train tail host ID that packets of information contains is consistent with the machine, then train tail host enters coupled condition, memory machine license number display machines license number 8s (five), return defeated response message to row tail locomotive platform simultaneously, train tail host receives only handler license number afterwards, No. ID, train tail host stores consistent train end information with the machine, and no longer responds the defeated command information that other row tail locomotive platform sends.
After row tail locomotive platform receives defeated response message, if the engine number that packets of information contains is consistent with this engine number, row tail locomotive platform enters coupled condition, display " connecting " also sends voice message, simultaneously memory row tail host ID, rank rear tail locomotive platform receives only handler license number, No. ID, train tail host stores consistent train end information with the machine.
After establishing a connection, row tail locomotive platform and train tail host just can carry out blast inquiry, air draft braking, the warning of battery electric quantity deficiency, the warning of air main blast mal and blast Dynamic Announce.
After train tail host is restarted, do not recover former coupled condition, automatically enter standby not-connected status.After row tail locomotive platform is restarted, automatically recover former coupled condition.
When train tail host is in not-connected status, if receive the train end information consistent with the machine row tail ID, train tail host recovers coupled condition automatically, simultaneously memory row tail locomotive platform engine number process train end information.
400MHz figure pattern Han pneumatic is inquired about: driver presses " inquiry " key, row tail locomotive platform sends Han pneumatic querying command information to train tail host, after train tail host receives, the engine number comprised in information and train tail host ID are judged, as consistent with the machine, (display format is " F XXX " to show current wind pressure value, display 8s), and return blast information to row tail locomotive platform, after row tail locomotive platform receives, the engine number comprised in information and train tail host ID are judged, as consistent with the machine, then display also voice broadcast blast numerical value.
400MHz figure pattern blast Dynamic Announce: after setting up row tail annexation, every 120s ~ the 130s of row tail locomotive platform sends blast querying command information from trend train tail host at random, after train tail host receives, the engine number comprised in information and train tail host ID are judged, as consistent with the machine, (display format is " XXX " to show current wind pressure value, display 8s), and return blast information to row tail locomotive platform.After row tail locomotive platform receives, the engine number comprised and train tail host ID are judged, as consistent with the machine, then shows wind pressure value, but do not carry out voice message in information.During timing, if row tail locomotive platform has carried out Han pneumatic inquiry, then answer reclocking.
If row tail locomotive platform does not receive any train end information in 5min, the order of inquiry blast should be sent from trend train tail host, if still do not receive any train end information in 10s subsequently, row tail locomotive platform should send alarm voice message, and communications status is shown as " communication failure ".
After row tail locomotive platform is restarted, should send alarm voice message to driver, communications status is shown as " communication failure ", and automatic transmission to train tail host inquires about blast order immediately.
When row tail locomotive platform is in communication failure state, after driver presses " confirmation " key, stop paying out alarm voice message.
When row tail locomotive platform is in communication failure state, every 25 ~ 30s sends blast querying command from trend train tail host at random, as received engine number, train tail host ID stores consistent train end information with the machine, then exit communication failure state, and stops communication failure voice message.
The air draft of 400MHz figure pattern is braked: in emergency circumstances, driver presses " air draft " key, row tail locomotive platform sends 5 frame air draft brake commands (when many information are pending continuously to train tail host, row tail locomotive platform should preferentially send air draft order), train tail host receives rear engine number to comprising in information and train tail host ID judges, as consistent with the machine, carry out air draft (opening time of electromagnetic valve is 1min) immediately, display "-PF-" also returns air draft response to row tail locomotive platform.Stop display after train tail host air draft, and send wind pressure alarm information to row tail locomotive platform.
Row tail locomotive platform judges the engine number comprised in information and train tail host ID, as consistent with the machine, then carries out showing and sending voice message after receiving air draft response; As do not received response in 8s, row tail locomotive platform retransmits 5 frame air draft brake commands automatically.
400MHz figure pattern train air main blast is reported to the police lower than setting value or train tail host battery electric quantity deficiency, when train air main blast is lower than setting value, train tail host should show the blast numerical value of flicker per second 1 time, and (form is " F XXX ", display 8s), every 20s sends 1 wind pressure alarm information to row tail locomotive platform; When the battery electric quantity of train tail host is not enough, train tail host should show the power supply voltage under-voltage condition (form is "-U L-", display 8s) of flicker per second 1 time, and every 20s sends the not enough alarm message of 1 primary cell electricity to row tail locomotive platform.
After row tail locomotive platform receives, the engine number comprised in information and train tail host ID are judged, as unanimously then shown corresponding alarm message to the machine and voice message driver confirms; Driver presses " confirmation " key, row tail locomotive platform stops audio alert, and to the corresponding confirmation of train tail host loopback; After train tail host receives confirmation, the engine number comprised in information and train tail host ID are judged, as unanimously then stopped sending corresponding alarm message to row tail locomotive platform to the machine.
400MHz figure pattern removes annexation: when row tail locomotive platform is in coupled condition, driver presses " disannuling a call " key, and row tail locomotive platform sends to train tail host order of disannuling a call.Train tail host judges after receiving order of disannuling a call, if the engine number that order comprises, train tail host ID are consistent with the machine, then train tail host removes annexation, remove the engine number stored, send to disannul a call to row tail locomotive platform and reply and enter standby not-connected status, display "-H H-" 8s after display "-H 0-" 3s.After row tail locomotive platform receives, if order the engine number, the train tail host ID that comprise consistent with the machine, then remove annexation, the train tail host ID of removing storage, coupled condition is shown as " connection " and send voice message.
When row tail locomotive platform is in coupled condition, as driver presses " disconnection " key, row tail locomotive platform sends disconnection order to train tail host, and automatically terminates annexation, removes the train tail host ID stored, and coupled condition is shown as " connection " and send voice message.Train tail host judges after receiving disconnection order, if the engine number that order comprises, train tail host ID are consistent with the machine, then train tail host removes annexation, removes the engine number stored, and enter standby not-connected status, display "-H H-" 8s after display "-00-" 3s.
More than show and describe groundwork of the present invention, principal character and advantage of the present invention.The technical personnel of the industry should be understood; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and specification sheets just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Claimed scope of the present invention is defined by appending claims and equivalent thereof.
Claims (3)
1. a digital train wireless dispatching communication system locomotive station, comprise row tail locomotive station main frame, control capsule, multiband aerial, it is characterized in that: described row tail locomotive station main frame comprises master control board, master control board is connected with power module, storage battery, 400MHz digital radio station, GPRS module, master control board is connected on control capsule, CIR storehouse inspection platform and computing machine by interface unit, 400MHz digital radio station, GPRS module are connected on multiband aerial by combiner, and power module inputs power supply by DC110V power supply.
2. a kind of digital train wireless dispatching communication system locomotive station according to claim 1, it is characterized in that: described master control board comprises CPU, CPU is provided with DLL (dynamic link library), RS422 interface, CPU is connected on control capsule and CIR data-interface by RS422 interface conversion, CPU connects GPRS module and reserved 8W-GPRS module interface by RS232 interface, CPU is connected to radio interface by serial ports, be connected to radio interface by FFSH transmitting-receiving and amplifier simultaneously, FFSH transmitting-receiving and amplifier are connected to maintenance interface, maintenance interface is connected on CIR data-interface and radio station, 110V power module and storage battery are powered to CPU by switching over.
3. a kind of digital train wireless dispatching communication system locomotive station according to claim 1, is characterized in that: described CPU is connected with FLASH memory by SPI interface, and CPU connects house dog by I2C interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510184144.1A CN104787086A (en) | 2015-04-17 | 2015-04-17 | Digital train wireless dispatching communication system locomotive radio station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510184144.1A CN104787086A (en) | 2015-04-17 | 2015-04-17 | Digital train wireless dispatching communication system locomotive radio station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104787086A true CN104787086A (en) | 2015-07-22 |
Family
ID=53552384
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510184144.1A Pending CN104787086A (en) | 2015-04-17 | 2015-04-17 | Digital train wireless dispatching communication system locomotive radio station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104787086A (en) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105923017A (en) * | 2016-05-12 | 2016-09-07 | 中国铁道科学研究院 | Train body control equipment and train control system and method |
| CN106059875A (en) * | 2016-05-24 | 2016-10-26 | 中国铁道科学研究院通信信号研究所 | Cab integrated radio communication equipment |
| CN106788833A (en) * | 2016-12-12 | 2017-05-31 | 天津七二通信广播股份有限公司 | A kind of bimodulus row tail locomotive station |
| CN107395246A (en) * | 2017-07-19 | 2017-11-24 | 泉州泽仕通科技有限公司 | All band multifunctional digital communication station and its operation method |
| CN107776610A (en) * | 2016-08-31 | 2018-03-09 | 泉州市铁通电子设备有限公司 | A kind of train security protection warning system locomotive station |
| CN108632349A (en) * | 2017-03-20 | 2018-10-09 | 通用电气公司 | The system and method for remote control for locomotive |
| CN108809403A (en) * | 2018-07-18 | 2018-11-13 | 北京世纪东方通讯设备有限公司 | Bimodulus goods row tail repeater, information processing unit and method for the repeater |
| CN109017877A (en) * | 2018-08-08 | 2018-12-18 | 中国铁道科学研究院集团有限公司通信信号研究所 | A kind of digital double-mode column tail system based on wireless communication |
| CN109835369A (en) * | 2019-04-10 | 2019-06-04 | 天津华泽瑞威信息技术有限公司 | A kind of the on-vehicle safety maintenance communications platform and its implementation of the train protection warning function based on LTE-R network |
| CN111934701A (en) * | 2020-08-26 | 2020-11-13 | 天津七一二通信广播股份有限公司 | Portable digital train tail detection table and implementation method thereof |
| CN112082689A (en) * | 2020-09-18 | 2020-12-15 | 北京世纪东方通讯设备有限公司 | Wind pressure monitoring system and wind pressure monitoring method |
| CN115134685A (en) * | 2022-08-30 | 2022-09-30 | 天津七一二移动通信有限公司 | Digital station radio station interface branch and remote transmission equipment and implementation method |
| CN116137702A (en) * | 2023-04-20 | 2023-05-19 | 天津七一二移动通信有限公司 | Method for implementing train tail communication system based on DMR cluster network |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2653788Y (en) * | 2003-07-30 | 2004-11-03 | 深圳市思科泰技术有限公司 | Full compatible locomotive radio station |
| EP2131628A2 (en) * | 2008-06-05 | 2009-12-09 | Siemens Aktiengesellschaft | Signal issuer |
| CN201721467U (en) * | 2010-06-02 | 2011-01-26 | 泉州市铁通电子设备有限公司 | Novel portable comprehensive test instrument for dispatching train |
| CN204055837U (en) * | 2014-09-17 | 2014-12-31 | 北京市交大路通科技有限公司 | Freight train sum tail and location in transit and management imformation system |
| CN204586923U (en) * | 2015-04-17 | 2015-08-26 | 泉州市铁通电子设备有限公司 | A kind of digital train wireless dispatching communication system locomotive station |
-
2015
- 2015-04-17 CN CN201510184144.1A patent/CN104787086A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2653788Y (en) * | 2003-07-30 | 2004-11-03 | 深圳市思科泰技术有限公司 | Full compatible locomotive radio station |
| EP2131628A2 (en) * | 2008-06-05 | 2009-12-09 | Siemens Aktiengesellschaft | Signal issuer |
| CN201721467U (en) * | 2010-06-02 | 2011-01-26 | 泉州市铁通电子设备有限公司 | Novel portable comprehensive test instrument for dispatching train |
| CN204055837U (en) * | 2014-09-17 | 2014-12-31 | 北京市交大路通科技有限公司 | Freight train sum tail and location in transit and management imformation system |
| CN204586923U (en) * | 2015-04-17 | 2015-08-26 | 泉州市铁通电子设备有限公司 | A kind of digital train wireless dispatching communication system locomotive station |
Non-Patent Citations (1)
| Title |
|---|
| 雷岳莉: "基于μC/OS-II的列尾专用机车电台系统中软件系统设计与实现", 《中国优秀硕士学位论文全文数据库 信息科技辑》, 15 February 2013 (2013-02-15) * |
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105923017A (en) * | 2016-05-12 | 2016-09-07 | 中国铁道科学研究院 | Train body control equipment and train control system and method |
| CN106059875A (en) * | 2016-05-24 | 2016-10-26 | 中国铁道科学研究院通信信号研究所 | Cab integrated radio communication equipment |
| CN106059875B (en) * | 2016-05-24 | 2019-04-19 | 中国铁道科学研究院通信信号研究所 | Cab integrated radio communication |
| CN107776610A (en) * | 2016-08-31 | 2018-03-09 | 泉州市铁通电子设备有限公司 | A kind of train security protection warning system locomotive station |
| CN106788833A (en) * | 2016-12-12 | 2017-05-31 | 天津七二通信广播股份有限公司 | A kind of bimodulus row tail locomotive station |
| CN108632349A (en) * | 2017-03-20 | 2018-10-09 | 通用电气公司 | The system and method for remote control for locomotive |
| CN107395246A (en) * | 2017-07-19 | 2017-11-24 | 泉州泽仕通科技有限公司 | All band multifunctional digital communication station and its operation method |
| CN108809403A (en) * | 2018-07-18 | 2018-11-13 | 北京世纪东方通讯设备有限公司 | Bimodulus goods row tail repeater, information processing unit and method for the repeater |
| CN108809403B (en) * | 2018-07-18 | 2021-05-04 | 北京世纪东方通讯设备有限公司 | Dual-mode train tail repeater, information processing device and method for repeater |
| CN109017877A (en) * | 2018-08-08 | 2018-12-18 | 中国铁道科学研究院集团有限公司通信信号研究所 | A kind of digital double-mode column tail system based on wireless communication |
| CN109017877B (en) * | 2018-08-08 | 2023-08-22 | 中国铁道科学研究院集团有限公司通信信号研究所 | Digital dual-mode train tail system based on wireless communication |
| CN109835369A (en) * | 2019-04-10 | 2019-06-04 | 天津华泽瑞威信息技术有限公司 | A kind of the on-vehicle safety maintenance communications platform and its implementation of the train protection warning function based on LTE-R network |
| CN111934701A (en) * | 2020-08-26 | 2020-11-13 | 天津七一二通信广播股份有限公司 | Portable digital train tail detection table and implementation method thereof |
| CN112082689A (en) * | 2020-09-18 | 2020-12-15 | 北京世纪东方通讯设备有限公司 | Wind pressure monitoring system and wind pressure monitoring method |
| CN115134685A (en) * | 2022-08-30 | 2022-09-30 | 天津七一二移动通信有限公司 | Digital station radio station interface branch and remote transmission equipment and implementation method |
| CN116137702A (en) * | 2023-04-20 | 2023-05-19 | 天津七一二移动通信有限公司 | Method for implementing train tail communication system based on DMR cluster network |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104787086A (en) | Digital train wireless dispatching communication system locomotive radio station | |
| CN204586924U (en) | A kind of railroad train wireless dispatching communication system control center | |
| CN105446315B (en) | Train door and shield door failure contraposition partition method and system | |
| CN107161179A (en) | Suitable for the running control system of general fast railway | |
| CN100358263C (en) | Locomotive wireless communication system | |
| CN203246468U (en) | Digitized wireless train dispatching locomotive radio | |
| CN204586923U (en) | A kind of digital train wireless dispatching communication system locomotive station | |
| CN102065130B (en) | Device and method for processing subway train fault intelligent | |
| CN101697252B (en) | System and method for monitoring vehicles in real time | |
| CN109017877B (en) | Digital dual-mode train tail system based on wireless communication | |
| CN104787087A (en) | Portable digital communication station for railway train wireless dispatching | |
| CN105416344A (en) | Earthquake monitoring early warning signal interface unit for high-speed railway | |
| CN104742919A (en) | Wireless-communication-based digital bimodule train tail system | |
| CN202159267U (en) | Remotely wireless reconnecting and synchronous control device based on distributed power of AC driving locomotives | |
| CN204184381U (en) | A kind of LTE dispatcher communication locomotive platform equipment | |
| CN104787090A (en) | Digital train wireless dispatching communication system station radio station | |
| CN102404364A (en) | Cab signal wireless transmission system and method | |
| CN104742942A (en) | Wireless dispatching communication system control center of railway trains | |
| CN107364468A (en) | Long-range isolation circuit, the brake fault shielding system of crewless train and method | |
| CN208862826U (en) | Vehicular communication equipment and locomotive synchronous manipulation message transfer system | |
| CN208585253U (en) | A kind of digital double-mode column tail system based on wireless communication | |
| CN107994916A (en) | Using the 400/450MHz dispatching communications unit and implementation method of bimodulus pattern | |
| CN104527736A (en) | Intersection signal control method for streetcar | |
| CN205059646U (en) | Novel high -speed railway running state information system mobile unit | |
| CN204586925U (en) | Portable of a kind of railroad train wireless dispatching digital communication |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150722 |