CN105391485A - Railway weak field strength environment-based signal relaying system - Google Patents
Railway weak field strength environment-based signal relaying system Download PDFInfo
- Publication number
- CN105391485A CN105391485A CN201510912937.0A CN201510912937A CN105391485A CN 105391485 A CN105391485 A CN 105391485A CN 201510912937 A CN201510912937 A CN 201510912937A CN 105391485 A CN105391485 A CN 105391485A
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- 238000004891 communication Methods 0.000 abstract description 8
- 230000007246 mechanism Effects 0.000 abstract description 2
- 238000001514 detection method Methods 0.000 abstract 6
- 239000004973 liquid crystal related substance Substances 0.000 description 7
- 230000004044 response Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000003137 locomotive effect Effects 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009795 derivation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/155—Ground-based stations
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L15/00—Indicators provided on the vehicle or train for signalling purposes
- B61L15/0054—Train integrity supervision, e.g. end-of-train [EOT] devices
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mechanical Engineering (AREA)
- Train Traffic Observation, Control, And Security (AREA)
Abstract
The invention discloses a railway weak field strength environment-based signal relaying system. The system comprises a display unit, a control unit, a power supply unit, a 800M channel machine unit, a key detection unit, a standing-wave ratio detection unit, a dump unit, a power supply backup unit and an antenna; the control unit is connected with the display unit, the power supply backup unit, the 800M channel machine unit, the key detection unit, the standing-wave ratio detection unit and the dump unit respectively; the 800M channel machine unit, the display unit, the standing-wave ratio detection unit and the dump unit are respectively connected with the power supply backup unit; and the antenna is connected with the standing-wave ratio detection unit. With the railway weak field strength environment-based signal relaying system adopted, the problem of unreliable communication between an LBJ and a KLW of a weak field region can be solved, and the data of the LBJ and the KLW can be identified; and data forwarding is carried out through a processing mechanism. The railway weak field strength environment-based signal relaying system is applicable to weak field regions of stations and sections so as to ensure the normal communication of train tail systems.
Description
Technical field
The present invention relates to railway signal transmission system, particularly relate to a kind of based on the signal relay system under the strong environment of railway feeble field.
Background technology
In the normal driving process of train, in order to ensure driving safety, between headstock protective alarming locomotive station (hereinafter referred to as LBJ) and passenger train afterbody safety device (hereinafter referred to as KLW) carrying out all the time information transmission work, but time in train driving to the strong environment of feeble field (bend as less in radius, ditch location or bend tunnel), larger on the impact of row tail field intensity, especially when train head and the tail can not straight line meet each other time, row tail field intensity does not almost have.This makes this section of train driving 800M locomotive station and train tail host be in non-interconnected state, serious threat driving safety.
Summary of the invention
The object of the invention is design a kind of based on the signal relay system under the strong environment of railway feeble field, native system is applicable to station, interval Feeble field, LBJ and KLW of main flow on compatible market, carry the real-time display working condition of liquid crystal display screen, real-time storage communication information also carries out dump by USB flash disk to recorded information.
The present invention is realized by such technical scheme: a kind of based on the signal relay system under the strong environment of railway feeble field, it is characterized in that: this system comprises display unit, control unit, power subsystem, 800M channel device unit, button detecting unit, standing-wave ratio detecting unit, dump unit, power backup units and antenna, described control unit respectively with display unit, power backup units, 800M channel device unit, button detecting unit, standing-wave ratio detecting unit, dump unit is connected, 800M channel device unit, display unit standing-wave ratio detecting unit, dump unit is connected with power backup units respectively, antenna is connected with standing-wave ratio detecting unit.
The beneficial effect that the present invention produces is: native system is a kind of row tail relay system supporting the strong environment of railway feeble field, this equipment carries the human-computer interaction interfaces such as LCDs, can receive and forward train end information, adopt the insecure problem of communication that system solves the problem between Feeble field LBJ and KLW, the data of LBJ, KLW can be identified, carry out data retransmission by treatment mechanism, be applicable to station, interval Feeble field, to ensure the proper communication of passenger vehicle row tail system.
Accompanying drawing explanation
Fig. 1 is system architecture diagram;
Fig. 2 is control unit composition frame chart in Fig. 1;
Fig. 3 is power subsystem composition frame chart in Fig. 1;
Fig. 4 is standing-wave ratio detecting unit composition block diagram in Fig. 1;
Fig. 5 is display unit composition frame chart in Fig. 1;
Fig. 6 is 800M channel device unit composition frame chart in Fig. 1;
Fig. 7 is dump unit composition frame chart in Fig. 1;
Fig. 8 is power backup units composition frame chart in Fig. 1.
Embodiment
Below in conjunction with drawings and Examples, the present invention will be further described:
Shown in Fig. 8, a kind ofly comprise display unit based on the signal relay system under the strong environment of railway feeble field, control unit, power subsystem, 800M channel device unit, button detecting unit, standing-wave ratio detecting unit, dump unit, power backup units and antenna, described control unit respectively with display unit, power backup units, 800M channel device unit, button detecting unit, standing-wave ratio detecting unit, dump unit is connected, 800M channel device unit, display unit standing-wave ratio detecting unit, dump unit is connected with power backup units respectively, antenna is connected with standing-wave ratio detecting unit.
Control unit of the present invention adopts the LPC4337MCU microprocessor of NXP company, and MCU microprocessor is connected with download program circuit, EEPROM, filter circuit, operation indicating circuit, clock circuit and reset circuit respectively.Control unit is for realizing all kinds of control operations to display unit, 800M channel device unit, standing-wave ratio detecting unit, storage dump unit and button detecting unit: under the control of the control unit, received by 800M channel device unit and forward communication information, and by information memory cell, the information processed being stored; Under the control of the control unit, display unit carries out liquid crystal display screen display according to the information of current reception and transmission; Under the control of the control unit, whether standing-wave ratio detecting unit to detect current antenna system in real time working properly.
Power subsystem of the present invention adopts PH150S280-15 control board power circuit, and power subsystem is used for system power supply.AC220V voltage transitions is that DC13.8V voltage exports to control board power circuit by power subsystem, and control board power circuit is changed respectively and exported DC7.5V voltage, DC5V voltage, DC12V voltage, is DC3.3V voltage by DC5V voltage transitions wherein.
Standing-wave ratio detecting unit of the present invention adopts multiple 1PS10SB82 standing-wave ratio control board, and power supply, data output interface, transducer connect the input of standing-wave ratio control board respectively; Antenna connects standing-wave ratio control board by antennal interface.Whether standing-wave ratio detecting unit is normal for the work detecting antenna system.
Display unit of the present invention adopts OCMJ5X10B liquid crystal display screen, and power supply is connected liquid crystal display screen with liquid crystal display drive circuit.Display unit is mainly used in display current system and receives and forwarding information.
800M channel device unit of the present invention adopts TK-980 channel device, and power supply, data communication interface and antennal interface are connected 800MHZ channel device respectively.800M channel device unit is used for realizing the business such as data input and data output, and the transmitting and receiving of data are realized by antenna element.
Dump unit of the present invention adopts MX66L51235F storage chip, and power supply, data communication interface are connected storage chip respectively with filter circuit.Dump unit is used for storing and dump current information.
The control board that power backup units of the present invention adopts multiple NJM2904 chip to build, power supply, main power source testing circuit, drive circuit are connected with control board respectively with power supply switch circuit.Power backup units is used for normally working in the system energy short time when AC dump.
Button detecting unit of the present invention is used for operator and carries out the man-machine interactive operation such as parameter configuration and information inquiry to equipment.
Native system allomeric function is as follows:
1, objective train end information is forwarded
Forward passenger train tail information priorities to be followed successively by from high to low: one-level is LBJ air draft order,
Secondary is defeated number of LBJ order, and three grades is LBJ querying command, and level Four is the objective train end information (containing air draft response, inquiry response, defeated number response, blast automatic-prompting, supply power voltage, under-voltage automatic-prompting) that KLW sends.
2, information displaying
By the liquid crystal display screen of apparatus front panel, the objective train end information that display in real time receives and forwards, displaying contents comprises engine number, KLWID, time, type of service.Also the information such as network connection state, powered types, cell voltage (when reserve battery is powered), current time can be shown.
3, data query and derivation
The button of operating equipment front panel, inquires about and shows the record data that trunk desk stores by liquid crystal display screen, record data all or according to the time range of setting are derived by USB interface or network interface.
4, telemanagement
Trunk desk is connected to Network Management Equipment by network, carries out telemanagement.
5, supply power mode and status of backup battery detect
Trunk desk can detect current supply power mode automatically, when Alternating Current Power Supply or direct current-48V power power-off, automatically switches to reserve battery and powers.
6, software upgrading
Trunk desk has local software upgrading and remote software upgrade function.
Claims (1)
1. one kind based on the signal relay system under the strong environment of railway feeble field, it is characterized in that: this system comprises display unit, control unit, power subsystem, 800M channel device unit, button detecting unit, standing-wave ratio detecting unit, dump unit, power backup units and antenna, described control unit respectively with display unit, power backup units, 800M channel device unit, button detecting unit, standing-wave ratio detecting unit, dump unit is connected, 800M channel device unit, display unit standing-wave ratio detecting unit, dump unit is connected with power backup units respectively, antenna is connected with standing-wave ratio detecting unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510912937.0A CN105391485A (en) | 2015-12-11 | 2015-12-11 | Railway weak field strength environment-based signal relaying system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510912937.0A CN105391485A (en) | 2015-12-11 | 2015-12-11 | Railway weak field strength environment-based signal relaying system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105391485A true CN105391485A (en) | 2016-03-09 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510912937.0A Pending CN105391485A (en) | 2015-12-11 | 2015-12-11 | Railway weak field strength environment-based signal relaying system |
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| Country | Link |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001138916A (en) * | 1999-11-12 | 2001-05-22 | Ntn Corp | Information communication system of train |
| CN1586962A (en) * | 2004-08-23 | 2005-03-02 | 北京世纪东方国铁电讯科技有限公司 | Relay device and method for data communication between locomotive and train tail part |
| CN202197283U (en) * | 2011-08-03 | 2012-04-18 | 京信通信系统（中国）有限公司 | Communication relay device and standing-wave ratio detecting device of the communication relay device |
| CN102687419A (en) * | 2009-11-06 | 2012-09-19 | 通用电气公司 | Apparatus and method for repeating communication messages in rail vehicle systems |
| CN204131525U (en) * | 2014-08-01 | 2015-01-28 | 昆明聚讯科技有限公司 | Based on 800MHZ simulate passenger vehicle row tail train end information relaying, pursue device |
-
2015
- 2015-12-11 CN CN201510912937.0A patent/CN105391485A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001138916A (en) * | 1999-11-12 | 2001-05-22 | Ntn Corp | Information communication system of train |
| CN1586962A (en) * | 2004-08-23 | 2005-03-02 | 北京世纪东方国铁电讯科技有限公司 | Relay device and method for data communication between locomotive and train tail part |
| CN102687419A (en) * | 2009-11-06 | 2012-09-19 | 通用电气公司 | Apparatus and method for repeating communication messages in rail vehicle systems |
| CN202197283U (en) * | 2011-08-03 | 2012-04-18 | 京信通信系统（中国）有限公司 | Communication relay device and standing-wave ratio detecting device of the communication relay device |
| CN204131525U (en) * | 2014-08-01 | 2015-01-28 | 昆明聚讯科技有限公司 | Based on 800MHZ simulate passenger vehicle row tail train end information relaying, pursue device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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Application publication date: 20160309 |