CN1491845A - Comprehensive train early warning system and its method - Google Patents
Comprehensive train early warning system and its method Download PDFInfo
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- CN1491845A CN1491845A CNA031575498A CN03157549A CN1491845A CN 1491845 A CN1491845 A CN 1491845A CN A031575498 A CNA031575498 A CN A031575498A CN 03157549 A CN03157549 A CN 03157549A CN 1491845 A CN1491845 A CN 1491845A
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Abstract
The present invention discloses comprehensive railway train early warning system and its operation method. The present invention works in frequency channel dissimilar to that for train scheduling signal, and has no problems of co-channel interference, radio train scheduling signal cross-talk and weak field signal covering by strong region. The system of the present invention can be used in railway multiple track and other sections with poor radio transmission condition. In addition, the railway train early warning system can send various early warning information and alarm information in broadcast mode, and may receive warning information along the line to avoid running accident and raise safety.
Description
Technical field
The present invention relates to a kind of Integrated Early Warning System and method of work thereof that is used for railroad train, more specifically, the present invention relates to a kind of system and method that can provide early warning information the operation and the personal security of railroad train.
Background technology
Exist multiple row tail to confirm device or detecting device in the prior art, be used to solve such problem: because behind the railway freight train cancellation guard's van, the last vehicle of train compartment disconnects and major hidden danger that safe railway operation is caused.As in patent document CN1142454A, disclosing a kind of method of confirming last vehicle of train, whether the afterbody that this method employing wind pressure detection device detects train is normal, similarly the train tail wind pressure alarm device has become the effective means of grasping last vehicle of train compartment situation and has been widely used, as at patent document CNCN1118319A, disclose such train tail apparatus among the CN2124172U, existing train tail wind pressure alarm device is (as the ZTF-2002 type of domestic present existence, CP-3 type train tail apparatus) has multinomial function, as show the last vehicle of train wind pressure value, leakage to airduct detects automatically, point out the complete arrival of full train, and " black box " data recording function etc., but these warning devices are connected on the 450MHz channel of train dispatch radio communication mostly, utilize the train scheduling channel that the train tail apparatus main frame is carried out remote control, remote measurement, in recent years, though adopted some methods that overcome interference (as bidirectional data transfers), but co-channel interference and with train dispatch radio communication mutually the problem of mutual interference still exist, in the busy marshalling station of operation, the district station problem is particularly serious; In addition, at the strong coverage zone of feeble field, conventional device can't guarantee to carry out normal data transmission between the train head and the tail, thereby makes present train tail wind pressure alarm device not use at multiple line and the bad section of propagation conditions; Moreover such device can only provide the wind pressure alarm signal of last vehicle of train, and does not have other warning function about train operation and personal security.
Along with the running velocity of railroad train improves constantly, owing to lack necessary early warning system, railway staff along the line can't understand the specifying information of train on the circuit, cause casualty accident to happen occasionally, at present, occurred some in the prior art for this purpose and design-calculated pre-(newspaper) is warned equipment, but the function of these equipment and performance have nothing in common with each other, communication standard is also different mutually, can't be adapted to promote the use of on a large scale; In addition, also there is the problem of poor reliability, unstable properties in these equipment; And, because this kind equipment is setting separately, arrive, so exist inconvenience to use, reach the problem of cost rising with other the system integration.
External comparatively perfect high speed railway signal and control system is called as train automatic controlling system ATCS, this system comprises automation of traffic control module and operation automation module, operation automation module wherein has the function of train automatic protection (ATP) and automatic steering (ATO), but such system does not comprise the forewarn system of relevant personal security.
Summary of the invention
In view of the above-mentioned problems, the present invention proposes a kind of train Integrated Early Warning System, and proposed the related method of this system.The invention solves the problem that forewarn system co-channel interference occurs and crosstalks mutually with train dispatch radio communication, and eliminated the signal covering problem in the strong zone of feeble field, thereby system can be used at railway multiple line and the bad section of radio propagation conditions, in addition, this forewarn system can send various early warning information and alarm message in accordance with the way of the broadcast, also can receive alarm message along the line, thereby can avoid the train travel accident, and reduce be engaged in personnel's casualty accident of worker from circuit.
According to a first aspect of the invention, this paper provides a kind of train Integrated Early Warning System, this system comprises: a vehicle mounted communication assembly and two row tail control capsulees, communication part and row tail control capsule are installed on the locomotive of train, communication part comprises transmitting station, control circuit, driving circuit, emitting antenna, FFSK modem, pocsag code signaling circuit, interface circuit and power supply, the working frequency range of communication part is different from the train dispatch radio communication frequency range, and its frequency range has very strong wireless penetrance; One train tail host, it can be kept in communication by transmitting station and vehicle mounted communication assembly, and train tail host can detect the blast of last vehicle of train and report to the police, and can control the air draft electromagnetic valve; And being arranged on track early warning reception, transmitting apparatus along the line, these equipment can carry out communication with the vehicle mounted communication assembly.
According to a further aspect in the invention, the working frequency range of described forewarn system is 800MHz, and wherein, the frequency of FFSK is 866.2375MHz, and pocsag code then adopts the frequency of 821.2375MHz.
According to another aspect of the invention, described row tail control capsule comprises: central process unit, display unit, interface circuit, FFSK modem, voice unit, data storage cell and function circuit.
In accordance with a further aspect of the present invention, this paper has proposed a kind of method for early warning that is used for railroad train, the method comprising the steps of: a vehicle mounted communication assembly and two row tail control capsulees are set on the locomotive of train, the vehicle mounted communication assembly is operated on the frequency range that is different from train dispatch radio communication, and this assembly has sending and receiving signal, data storage, information processing, reaches automatic control function; Afterbody at train is provided with a train tail host, and it can be kept in communication by radio station and vehicle mounted communication assembly, and train tail host can detect the blast of last vehicle of train and report to the police, and can control the air draft electromagnetic valve; At track the early warning information transceiver is set along the line, these equipment carry out communication by radio station and vehicle mounted communication assembly, wherein, the vehicle mounted communication assembly can send the early warning information of relevant train operating conditions in accordance with the way of the broadcast, at a certain time interval to track information transceiving equipment along the line; And send necessary running information to other train when needed; Track information transceiving equipment along the line can send early warning information to the vehicle mounted communication assembly where necessary; Train tail host can send alarm message to on-board component when detecting abnormal condition.
According to a further aspect in the invention, the vehicle mounted communication assembly is broadcasted with the coded format of POCSAG.
According to another aspect of the invention, transmit early warning information in the FFSK mode between vehicle mounted communication assembly, train tail host and the track equipment along the line.
In accordance with a further aspect of the present invention, the working frequency range that described method for early warning adopts is 800MHz, and wherein, the frequency of FFSK is 866.2375MHz, and pocsag code then adopts the frequency of 821.2375MHz.
Description of drawings
Below with reference to accompanying drawings the preferred embodiments of the present invention are described in detail, in the accompanying drawings:
Fig. 1 is the structured flowchart according to Integrated Early Warning System of the present invention;
Fig. 2 is the functional block diagram of a vehicle mounted communication assembly, and this vehicle mounted communication assembly is used in the Integrated Early Warning System shown in Figure 1; And
Fig. 3 is a high-level schematic functional block diagram, has represented to be used in row tail control capsule in the Integrated Early Warning System shown in Figure 1, that be connected with the vehicle mounted communication assembly.
The specific embodiment
Referring to Fig. 1, this accompanying drawing is the structured flowchart of an Integrated Early Warning System, and vehicle mounted communication assembly shown in Figure 2 is used in the Integrated Early Warning System shown in Figure 1.Integrated Early Warning System of the present invention is made up of three parts: promptly be arranged on vehicle mounted communication assembly and row tail control capsule on the locomotive; Carry or be installed in the equipment along the line at place, circuit road junction by the staff; And the train tail host that is arranged on last vehicle of train.For equipment along the line wherein, various ways can be arranged, for example be the pocket carried of railway staff along the line near precaution device, camp site along the railway is installed portable near precaution device and the fixed equipment that is installed in the road junction, on the basis of the disclosure of invention, these design of plant are common engineering general knowledge to those skilled in the art, thereby its concrete structure are not done further to discuss at this.
The vehicle mounted communication assembly comprises a plurality of functional units, and in Fig. 1, this communication part comprises vehicle-mounted comprehensive radio station and TAX2 case adapter.As shown in Figure 2, the number designation 1 among the figure refers to the antenna of 800MHz, and the operating frequency range of this antenna is: 815MHz～875MHz, it is installed in the top of locomotive.Label 2,3 among the figure refers to I interface and the II interface that is connected with row tail control capsule respectively, these two interfaces at two row tail control capsulees be installed in respectively in two operator'ies compartment at locomotive two ends.The remainder of this vehicle mounted communication assembly is installed in interior (also all parts of this assembly all can being installed concentratedly at the same position place certainly of canyon of locomotive, thereby the assembly on the formation practical significance), the power supply of this vehicle mounted communication assembly adopts locomotive 110V direct supply, and after this direct current (DC) is transformed into the 13.8V direct current, flow to control circuit, two radio station, two row tail control capsulees respectively.Label 4 among the figure refers to the TAX2 case interface circuit on the locomotive, the vehicle mounted communication assembly is regularly gathered train operation data (comprising: time, train number, train speed, train kilometers mark, engine number etc.) from the TAX2 case according to the interval of 200ms, and with the master data information of these data as assembly.
Fig. 2 has represented each functional unit of row tail control capsule, as shown in the figure, this row tail control capsule comprises: central process unit, display unit, interface circuit, FFSK (fast frequency shift keying) modem, voice unit, data storage cell and function circuit (i.e. key circuit among the figure), wherein, three lines between row tail control capsule interface and the CPU are represented power lead, GND and the PPT of 13.8V respectively among the figure.
Frequency of operation for system, the frequency of used FFSK standard is 866.2375MHz, and pocsag code (paging code and format that Post Office Code Standardization Advisory Group British Post Office coding standard consulting group is formulated) then adopts the frequency of 821.2375MHz
To the every function and the method for work of this Integrated Early Warning System be described below, the radical function that this system had is:
1, send the early warning information of relevant train operation in the mode of broadcasting: the vehicle mounted communication assembly is by TAX2 case interface circuit, gather the data message of train operation, through computing, broadcast accordingly and carry out, when train speed during greater than 5km/h, every train operation early warning information of 200 meters transmissions, the information content comprises train number, train speed, train kilometers mark.Sending form is the POCSAG coding, and emissive power is 3W, this information send to pocket that road jaws equipment, railway staff along the line that train operation need pass through carries near precaution device, railway camp site along the line settle portable near precaution device.Wherein, the receiving range of road jaws equipment is greater than 5 kilometers, pocket near the receiving range of precaution device greater than 2 kilometers, portable near precaution device then greater than 3 kilometers.After reception facilities is received the train operation early warning information of vehicle mounted communication assembly transmission, can respond in advance (when train speed is 180km/h, for above-mentioned receiving range, the advance time of various device is respectively: road jaws equipment 100 seconds, pocket are near precaution device 40 seconds, portable near precaution device 60 seconds), so just can take adequate measures to avoid the generation of accident, thereby improve the safety of train operation.
2, send train secondary alarm message: after train is invaded adjacent line owing to having an accident, in order to prevent to have an accident once more, accident train locomotive driver is by the warning button on the following tail control capsule, row tail control capsule is gap periods with 500ms, send once request by 485 interfaces to the vehicle mounted communication assembly, ask it to send train secondary alarm message, the vehicle mounted communication assembly receives that the data (being train secondary alarm message) of after this request the TAX2 case being come send to other approaching train in the FFSK mode, emissive power is 5W, the information content comprises train number, train speed, train kilometers mark etc., receiving range is greater than 5 kilometers, in the scope of train braking required separation distance (2 kilometers), after near train is received the secondary alarm message of accident train transmission, according to circumstances take the necessary measures, prevent to have an accident once more.
3, receive train secondary alarm message: after the vehicle mounted communication assembly receives the train secondary alarm message of accident train transmission, through decoding and error, in the binary-coded decimal mode, send to row tail control capsule by 485 interfaces, after row tail control capsule is received, play " XXXXX train XXXX.X kilometer accident " by the phonetic synthesis mode, remind the trainman to take the necessary measures, take place once more to avoid accident.
4, receive road junction obstruction forewarning information: when the situation of safe train operation is jeopardized at the road junction, Crossroad attendant triggers sealed mounted warning button is housed, the road jaws equipment sends road junction obstruction forewarning information in the FFSK mode, the information content mainly comprises the kilometer post at road junction, this emitted power is 3W, and receiving range is greater than 5 kilometers.After the vehicle mounted communication assembly receives the road junction obstruction forewarning information of jaws equipment transmission, through decoding and error, in the binary-coded decimal mode, send to row tail control capsule by 485 interfaces, after row tail control capsule is received, play " XXXX.X kilometer road junction obstacle " by the phonetic synthesis mode, remind the trainman to take measures necessary, avoid having an accident.
5, the blast of last vehicle of train is inquired about and reported to the police, wherein:
5.1 row tail control capsule and train tail host are set up the communication relationship of " one to one ", when by following tail control capsule " acknowledgement key ", row tail control capsule sends the request that sends the FFSK sign indicating number to the vehicle mounted communication assembly, communication part receives after this request, set up row tail control capsule and interstation FFSK passage, and make the radio station be in emission state, row tail control capsule sends " affirmation " information by the vehicle mounted communication assembly to train tail host, after train tail host is received, response message is confirmed in loopback, send row tail control capsule to by the vehicle mounted communication assembly, row tail control capsule is after the FFSK demodulation, give CPU decoding and error with information, the control speech memory broadcasts " the XXXX locomotive is confirmed to finish ".Finish " one to one " communication relationship between row tail control capsule and train tail host this moment.
5.2 the train tail wind pressure value of row tail control capsule inquiry train tail host: after row tail control capsule and train tail host are set up " one to one " contact, press " inquiry " key, send the tail wind pressure Query Information by the vehicle mounted communication assembly to train tail host, after train tail host receives, give row tail control capsule with the loopback of train tail wind pressure value, after the row tail control capsule decoding and error, the control speech memory broadcasts " XXXX locomotive; blast XXX ", simultaneously wind pressure value is presented on the display unit.
5.3 row tail control capsule control train tail host air draft: need row tail emergency exhaust glancing impact when train runs into, press " air draft " key, row tail control capsule sends air draft information by the vehicle mounted communication assembly to train tail host, after train tail host receives, loopback air draft response message is opened electromagnetic valve then and is carried out air draft, after row tail control capsule is received the air draft response message, the control speech memory broadcasts " XXXX locomotive, air draft ".Train tail host air-bled time length is 60 seconds.
The function 5.4 disannul a call: train is reached home or train need change locomotive the time, row tail control capsule and train tail host need be removed " one to one " communication relationship, simultaneously by " affirmation " key on the following tail control capsule and " inquiry " key, row tail control capsule sends the information of disannuling a call by the vehicle mounted communication assembly to train tail host, after train tail host receives, the loopback response message of disannuling a call, after row tail control capsule receives the response message of disannuling a call by the vehicle mounted communication assembly, speech memory is controlled, make it broadcast voice " the XXXX locomotive is disannuled a call successfully ".This moment, row tail control capsule and train tail host were removed " one to one " communication relationship.
5.5 train tail host wind pressure alarm function: when last vehicle of train generation blast abnormal condition (blast is lower than normal value), send wind pressure alarm information from trend row tail control capsule, after row tail control capsule receives by the vehicle mounted communication assembly, automatic loopback wind pressure alarm response message, control speech memory then, make it broadcast voice messaging " the XXXX locomotive is noted, blast XXX ".Remind the trainman to notice that abnormal condition have appearred in tail wind pressure.
5.6 train tail host voltage alarm function: when the train tail host cell pressure is lower than normal value (7.2V), train tail host sends voltage alarm information from trend row tail control capsule, after row tail control capsule receives by the vehicle mounted communication assembly, automatic loopback voltage alarm response message, control speech memory then, make it broadcast voice messaging " XXXX locomotive, undertension ", to remind the driver.
Forewarn system of the present invention has the function of reduction fault, and when the et out of order of a certain radio station, all functions in fault radio station can be born in another radio station.Forewarn system of the present invention also has the function of storage data logging, the vehicle mounted communication assembly can be stored status datas such as relevant communication radio station fault, TAX2 case communication failure, and can send alert datas such as secondary is reported to the police, the reception secondary is reported to the police, reception road junction obstruction forewarning, data content wherein comprises: starting time; Train number, train speed, train kilometers mark, the other side train number, speed, kilometer post when opening the beginning; Concluding time; Information such as the train number during end, train speed, train kilometers mark, the other side train number, train speed, train kilometers mark.
Claims (8)
1. train Integrated Early Warning System, this system comprises:
One vehicle mounted communication assembly and two row tail control capsulees, communication part and row tail control capsule are installed on the locomotive of train, and the working frequency range of communication part is different from the train dispatch radio communication frequency range, and its frequency range has very strong wireless penetrance;
One train tail host, it can be kept in communication by transmitting station and vehicle mounted communication assembly, and train tail host can detect the blast of last vehicle of train and report to the police, and can control the air draft electromagnetic valve; And
Be arranged on track early warning reception, transmitting apparatus along the line, these equipment can carry out communication with the vehicle mounted communication assembly.
2. Integrated Early Warning System according to claim 1 is characterized in that: the working frequency range of described Integrated Early Warning System is 800MHz, and wherein, the frequency of FFSK is 866.2375MHz, and pocsag code then adopts the frequency of 821.2375MHz.
3. Integrated Early Warning System according to claim 1 and 2 is characterized in that described communication part comprises: transmitting station, control circuit, driving circuit, emitting antenna, FFSK modem, pocsag code signaling circuit, interface circuit and power supply,
4. Integrated Early Warning System according to claim 3 is characterized in that described row tail control capsule comprises: central process unit, display unit, interface circuit, FFSK modem, voice unit, data storage cell and function circuit.
5. method for early warning that is used for railroad train, the method comprising the steps of:
One vehicle mounted communication assembly and two row tail control capsulees are set on the locomotive of train, and the vehicle mounted communication assembly is operated on the frequency range that is different from train dispatch radio communication, and communication part has sending and receiving signal, data storage, information processing, reaches automatic control function;
Afterbody at train is provided with a train tail host, and it can be kept in communication by radio station and vehicle mounted communication assembly, and train tail host can detect the blast of last vehicle of train and report to the police, and can control the air draft electromagnetic valve;
At track the early warning information transceiver is set along the line, these equipment carry out communication by radio station and vehicle mounted communication assembly,
Wherein, the vehicle mounted communication assembly can send the early warning information of relevant train operating conditions in accordance with the way of the broadcast, at a certain time interval to track information transceiving equipment along the line; And send necessary running information to other train when needed; Track information transceiving equipment along the line can send early warning information to the vehicle mounted communication assembly where necessary; Train tail host can send alarm message to on-board component when detecting abnormal condition.
6. method for early warning according to claim 5 is characterized in that: the vehicle mounted communication assembly is broadcasted with the coded format of POCSAG.
7. according to claim 5 or 6 described method for early warning, it is characterized in that: transmit early warning information in the FFSK mode between vehicle mounted communication assembly, train tail host and the track equipment along the line.
8. method for early warning according to claim 7 is characterized in that: the working frequency range that described method for early warning adopts is 800MHz, and wherein, the frequency of FFSK is 866.2375MHz, and pocsag code then adopts the frequency of 821.2375MHz.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA031575498A CN1491845A (en) | 2003-09-24 | 2003-09-24 | Comprehensive train early warning system and its method |
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| Application Number | Priority Date | Filing Date | Title |
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| CNA031575498A CN1491845A (en) | 2003-09-24 | 2003-09-24 | Comprehensive train early warning system and its method |
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| CN1491845A true CN1491845A (en) | 2004-04-28 |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102394713A (en) * | 2011-09-09 | 2012-03-28 | 北京世纪东方国铁科技股份有限公司 | Train-tail independent frequency-point broadcasting station and control method thereof |
| CN102602432A (en) * | 2012-03-30 | 2012-07-25 | 泉州健步电子有限公司 | Train tail safety protection wireless digital control system |
| CN102932028A (en) * | 2012-10-26 | 2013-02-13 | 泉州市铁通电子设备有限公司 | Multi-frequency wireless digital-analog compatible mobile communication device and communication system thereof |
| CN103552582A (en) * | 2013-10-30 | 2014-02-05 | 天津七一二通信广播有限公司 | Method for achieving train tail information forwarding function through train tail forwarding station |
| CN104266850A (en) * | 2014-09-25 | 2015-01-07 | 中国铁道科学研究院 | Warehouse-out routine detecting system for passenger train tail devices |
| 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 |
| CN106114557A (en) * | 2016-06-21 | 2016-11-16 | 北京世纪东方通讯设备有限公司 | A kind of digital double-mode row tail data analysis method and device |
| CN106541964A (en) * | 2016-05-24 | 2017-03-29 | 北京世纪东方通讯设备有限公司 | A kind of digital double-mode row tail system and control method |
| CN107784808A (en) * | 2016-08-31 | 2018-03-09 | 泉州市铁通电子设备有限公司 | It is a kind of that there is receive protective alarming information portable |
| CN109842648A (en) * | 2017-11-27 | 2019-06-04 | 通号通信信息集团上海有限公司 | It is a kind of based on wireless mobile unit log downloading and inquiry system and method |
| CN112061178A (en) * | 2020-09-18 | 2020-12-11 | 北京世纪东方通讯设备有限公司 | Method and device for detecting falling state of train tail equipment |
| CN113247050A (en) * | 2021-07-07 | 2021-08-13 | 天津七一二移动通信有限公司 | Method for realizing train approaching early warning and collision avoidance based on CSTMDMA |
-
2003
- 2003-09-24 CN CNA031575498A patent/CN1491845A/en active Pending
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102394713A (en) * | 2011-09-09 | 2012-03-28 | 北京世纪东方国铁科技股份有限公司 | Train-tail independent frequency-point broadcasting station and control method thereof |
| CN102602432A (en) * | 2012-03-30 | 2012-07-25 | 泉州健步电子有限公司 | Train tail safety protection wireless digital control system |
| CN102932028A (en) * | 2012-10-26 | 2013-02-13 | 泉州市铁通电子设备有限公司 | Multi-frequency wireless digital-analog compatible mobile communication device and communication system thereof |
| CN103552582A (en) * | 2013-10-30 | 2014-02-05 | 天津七一二通信广播有限公司 | Method for achieving train tail information forwarding function through train tail forwarding station |
| CN104266850A (en) * | 2014-09-25 | 2015-01-07 | 中国铁道科学研究院 | Warehouse-out routine detecting system for passenger train tail devices |
| 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 |
| CN106541964A (en) * | 2016-05-24 | 2017-03-29 | 北京世纪东方通讯设备有限公司 | A kind of digital double-mode row tail system and control method |
| CN106114557A (en) * | 2016-06-21 | 2016-11-16 | 北京世纪东方通讯设备有限公司 | A kind of digital double-mode row tail data analysis method and device |
| CN106114557B (en) * | 2016-06-21 | 2018-07-20 | 北京世纪东方通讯设备有限公司 | A kind of digital double-mode row tail data analysing method and device |
| CN107784808A (en) * | 2016-08-31 | 2018-03-09 | 泉州市铁通电子设备有限公司 | It is a kind of that there is receive protective alarming information portable |
| CN109842648A (en) * | 2017-11-27 | 2019-06-04 | 通号通信信息集团上海有限公司 | It is a kind of based on wireless mobile unit log downloading and inquiry system and method |
| CN112061178A (en) * | 2020-09-18 | 2020-12-11 | 北京世纪东方通讯设备有限公司 | Method and device for detecting falling state of train tail equipment |
| CN113247050A (en) * | 2021-07-07 | 2021-08-13 | 天津七一二移动通信有限公司 | Method for realizing train approaching early warning and collision avoidance based on CSTMDMA |
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