CN106541964A - A kind of digital double-mode row tail system and control method - Google Patents

A kind of digital double-mode row tail system and control method Download PDF

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Publication number
CN106541964A
CN106541964A CN201610350332.1A CN201610350332A CN106541964A CN 106541964 A CN106541964 A CN 106541964A CN 201610350332 A CN201610350332 A CN 201610350332A CN 106541964 A CN106541964 A CN 106541964A
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CN
China
Prior art keywords
driver
control box
tail
channel
mode
Prior art date
Application number
CN201610350332.1A
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Chinese (zh)
Inventor
田秀臣
张飞
刘燕妮
Original Assignee
北京世纪东方通讯设备有限公司
Priority date (The priority date 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 date listed.)
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Application filed by 北京世纪东方通讯设备有限公司 filed Critical 北京世纪东方通讯设备有限公司
Priority to CN201610350332.1A priority Critical patent/CN106541964A/en
Publication of CN106541964A publication Critical patent/CN106541964A/en

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B61RAILWAYS
    • B61LGUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L15/00Indicators provided on the vehicle or vehicle train for signalling purposes ; On-board control or communication systems
    • B61L15/0054Train integrity supervision, e.g. end-of-train [EOT] devices

Abstract

The invention discloses a kind of digital double-mode row tail system and control method, including:Driver's control box, locomotive platform and train tail host;Driver's machine control box, the warning message for the one-to-one confirmation to the train tail host and for receiving the train tail host;The locomotive platform, for receiving the mode of operation that driver's control box sends;The train tail host, for recognizing " one-to-one " relation device id and double-channel work.The digital double-mode row tail system of the present invention has the advantages that smoothly to switch in order.

Description

A kind of digital double-mode row tail system and control method

Technical field

The present invention relates to row tail system control technology field, and in particular to a kind of digital double-mode row tail System and control method.

Background technology

After goods train cancels guard's van (vehicle commander), train-tail safty guard is used as control row The effective means of car tail wind pressure is widely used.With substantial amounts of application, afterbody security protection Device has become a visual plant of traffic safety.

At present, the train tail host applied on railway all adopts simulation system on data transmission channel Formula.From from transmission frequency, row tail system is divided into 450MHz row tail system and 800MHz row Tail system.Wherein 450MHz row tail system is by train tail apparatus, row tail control box and 450MHz Wireless train dispatchment radio is constituted.800MHz row tail system by train tail apparatus, row tail control box and 800MHz vehicle radio stations are constituted.

According to No. 666 files of Ministry of Industry and Information and the associated documents of National Radio committee, currently exist Specialized mobile radio field, analog channel machine are development communication technologies to the conversion of digital channel machine Trend.

At present, live existing train tail apparatus are with analog channel machine as transmission platform, according to channel device The development trend of " mould revolution ", develops the digital double-mode train tail apparatus gesture for taking over seamlessly in order and exists Must go.

The content of the invention

For defect of the prior art, a kind of digital double-mode row tail system, including driver are proposed Control box, locomotive platform and train tail host;

Driver's machine control box, for the one-to-one confirmation of the train tail host and being used for Receive the warning message of the train tail host;

The locomotive platform, for receiving the mode of operation that driver's control box sends;

The train tail host, for recognizing " one-to-one " relation device id and double-channel work.

Preferably, driver's machine control box includes panel, finger-board, liquid crystal display screen and raises one's voice Device.

Preferably, the locomotive platform includes power subsystem, panel, 400MHz digital radio stations Unit, 800MHz analog radios unit and electromagnetic compatibility plate.

Preferably, the train tail host includes that main control unit, lamp show unit, electromagnetic valve, 800MHz Analog radio, 400MHz digital radio stations, pressure transducer, battery, structural housing and extension Order unit.

Preferably, the train tail host works for double-channel.

A kind of digital double-mode row tail control method, including:

If under driver's control box, train tail host and locomotive platform not-connected status, locomotive platform Mode of operation is 400M or 800M patterns;

Mode of operation is sent to the locomotive platform by driver's control box, the locomotive platform according to Mode of operation determines that information sends channel or channel priority;

If send in priority channel ordered, in special time N1, if receiving row tail response, One-to-one annexation is then set up, the row tail of the priority channel train tail host otherwise, is not received Response, then sent with alternate channel;

In special time N2, if not receiving the row tail response of alternate channel, start the 2nd Secondary repeating transmission;

Resend using the priority channel.

Preferably, it is described in the unconnected state, at driver's control box tail wind pressure value show Show blank, working condition shows " being not connected with ";When the row tail application for receiving the train tail host Afterwards, driver's control box plays voice " * * * * * * rear-mounted installations etc. are to be confirmed ", and work shape State field flicker shows " * * * * * * etc. are to be connected ";Send under application situation in multiple row tail wheel streams, Driver's control box shows the row tail application for finally receiving;Without operation is confirmed in 1 minute, recover not Connection status shows, the state that quits work field flicker.

Preferably, in the unconnected state, the mode of operation of the locomotive platform is 400M or 800M Pattern, specifically also includes:

Locomotive platform only processes the information that the channel that is consistent with pattern is received;When the pattern of receiving is consistent channel Train tail host send row tail application after, driver's control box carries out voice message.Locomotive Platform pattern is divided into:800MHz patterns, 400MHz patterns, 800MHz mode of priority, 400MHz 4 kinds of mode of operations of mode of priority.

Preferably, also include:

After setting up " one-to-one " annexation, tail wind pressure value shows the wind that last time is received Pressure value, working condition show " connection " that row tail ID shows connected row tail number.

Preferably, also include:If the locomotive number included in received train tail host information and Train tail host ID is matched, then normally responded, and sends confirmation to driver's control box Information is finished, is otherwise not responded.

As shown from the above technical solution, scheme proposed by the present invention, with advantages below:

1st, 400MHz digital radio stations, 800MHz analog radio Dual channel transmission row tail communication letter The function of breath;

2nd, possess control, the handoff functionality of 2 kinds of channel prioritys, and accurately in order smoothly Switching.

3rd, compatibility scene 800MHz simulations row tail system, is capable of achieving 800MHz simulation row tails system Unite seamlessly transitting to 400MHz sum tail systems.

4th, it is cost-effective

The further feature or advantage of the present invention will be illustrated in the following description.Also, this Bright Partial Feature or advantage will be become apparent by description, or by implementing this Invent and be appreciated that.The purpose of the present invention and certain advantages can be by description, claim In book and accompanying drawing, specifically noted step is realizing or obtain.

Description of the drawings

Accompanying drawing is used for providing a further understanding of the present invention, and constitutes one of description Point, it is provided commonly for explaining the present invention with embodiments of the invention, does not constitute the limit to the present invention System.In the accompanying drawings:

Fig. 1 is according to one embodiment of the invention system schematic;

Fig. 2 is according to one embodiment of the invention method execution flow chart.

Specific embodiment

Describe embodiments of the present invention below with reference to drawings and Examples in detail, whereby originally The enforcement personnel of invention can fully understand the present invention how application technology means solving technology Problem, and reach realizing process and realizing that process is embodied as this according to above-mentioned for technique effect It is bright.If it should be noted that do not constitute conflict, each embodiment in the present invention and each Each feature in embodiment can be combined with each other, and the technical scheme for being formed is the present invention's Within protection domain.

Fig. 1 is according to one embodiment of the invention system operation schematic diagram, as shown in Figure 1.The present invention There is provided a kind of digital double-mode row tail system, including driver's control box 110, locomotive platform 120 and row Tail host 130;

Driver's machine control box 110, for the one-to-one confirmation to the train tail host 120 with And for receiving the warning message of the train tail host;Driver's machine control box is constituted:Inside includes Panel, finger-board, liquid crystal display screen, speaker;External interface include switch, locomotive platform interface, Maintenance interface.

The locomotive platform 120, for receiving the mode of operation that driver's control box 110 sends; Inside the locomotive platform 120 include power subsystem, panel, 400MHz digital radio station units, 800MHz analog radio units, electromagnetic compatibility plate;External interface includes switching, insures, 110V Power interface, control box I interface, control box II interface, data-interface (reserving), programming dimension Retaining, 400MHz antennal interfaces, 800MHz antennal interfaces.

The train tail host 130, for recognizing " one-to-one " relation device id and double-channel Work.

Train tail host 130 is constituted:Train tail host by main control unit, the aobvious unit of lamp, electromagnetic valve, 800MHz analog radios, 400MHz digital radio stations, pressure transducer, battery, structural housing, The compositions such as mounting unit.

Preferably, the train tail host 130 include main control unit, lamp show unit, electromagnetic valve, 800MHz analog radios, 400MHz digital radio stations, pressure transducer, battery, structural housing And mounting unit.Preferably, the train tail host 130 works for double-channel.

As shown in Fig. 2 a kind of digital double-mode row tail control method, including:

S210, if under driver's control box, train tail host and locomotive platform not-connected status, machine The mode of operation of ride is 400M or 800M patterns;Preferably, it is described in the unconnected state, At driver's control box, tail wind pressure value shows blank, and working condition shows " being not connected with "; After the row tail application of the train tail host is received, driver's control box plays voice " * * * * * * rear-mounted installations etc. are to be confirmed ", working condition field flicker show that " * * * * * * are waited and being connected Connect ";Send under application situation in multiple row tail wheel streams, driver's control box shows what is finally received Row tail application;Without operation is confirmed in 1 minute, recover not-connected status and show that quit work shape State field flicker.Preferably, in the unconnected state, the mode of operation of the locomotive platform is 400M Or 800M patterns, specifically also include:Locomotive platform only processes the information that the channel that is consistent with pattern is received; When the pattern of receiving be consistent channel train tail host send row tail application after, driver's control box Carry out voice message.Locomotive platform pattern is divided into:800MHz patterns, 400MHz patterns, 800MHz Mode of priority, 4 kinds of mode of operations of 400MHz mode of priority.

Mode of operation is sent to the locomotive platform, the locomotive by S220, driver's control box According to mode of operation, platform determines that information sends channel or channel priority;

S230, if send in priority channel ordered, in special time N1, if receiving row tail Response, then execution step S250, otherwise, execution step S240;

S250, sets up one-to-one annexation;

S240, alternate channel send;

S260, in special time N2, if not receiving the row tail response of alternate channel, opens Dynamic 2nd repeating transmission;Specially:Send in priority channel and order, this channel is not received in 3 seconds and is arranged Tail response, then send in alternate channel and order, alternate channel row tail response is not received in 3 seconds, Start the 2nd repeating transmission, send by former channel order of transmission, at most retransmit 1 time.Sent out using such Send and can guarantee that.

Order sends and repeating transmission time diagram is as follows:

Note:If a length of a when 400M digital channels signaling sends, 800M analog channels signaling send Shi Changwei b.

S270, is resend using the priority channel.

Preferably, also include:

After setting up " one-to-one " annexation, tail wind pressure value shows the wind that last time is received Pressure value, working condition show " connection " that row tail ID shows connected row tail number.

Preferably, also include:If the locomotive number included in received train tail host information and Train tail host ID is matched, then normally responded, and sends confirmation to driver's control box Information is finished, is otherwise not responded.

By the distinctive frame format of company, the good operating stability of bimodulus row tail system, safe surname It is high.

Row tail locomotive platform and control box data management system communication protocol

It is RS422 interfaces between train tail host and driver's control box, traffic rate is 9600bps.

It is RS232 interfaces between train tail host and data management system, data interface communication speed is 19200bps。

Peculiar frame format is as follows:

Port code is as follows:

While it is disclosed that embodiment as above, but described content only to facilitate Understand the embodiment of the present invention and employing, be not limited to the present invention.It is of the present invention Method can also have other various embodiments.Without departing from the spirit of the present invention, it is familiar with this The technical staff in field works as and can make various corresponding changes or deformation, but these according to the present invention Corresponding change or deformation should all belong to the scope of the claims of the present invention.

Claims (10)

1. a kind of digital double-mode row tail system, it is characterised in that include:Driver's control box, Locomotive platform and train tail host;
Driver's control box, for the one-to-one confirmation of the train tail host and for connecing Receive the warning message of the train tail host;
The locomotive platform, for receiving the mode of operation that driver's control box sends;
The train tail host, for recognizing one-one relationship device id and double-channel work.
2. system according to claim 1, it is characterised in that driver's control box bag Include panel, finger-board, liquid crystal display screen and speaker.
3. system according to claim 1, it is characterised in that the locomotive platform includes electricity Source unit, panel, 400MHz digital radio station units, 800MHz analog radios unit and Electromagnetic compatibility plate.
4. system according to claim 1, it is characterised in that the train tail host includes Main control unit, lamp show unit, electromagnetic valve, 800MHz analog radios, 400MHz digital radio stations, Pressure transducer, battery, structural housing and mounting unit.
5. system according to claim 4, it is characterised in that the train tail host is double Multi-channel operation.
6. a kind of digital double-mode row tail control method, it is characterised in that include:
If under driver's control box, train tail host and locomotive platform not-connected status, locomotive platform Mode of operation is 400M or 800M patterns;
Mode of operation is sent to the locomotive platform by driver's control box, the locomotive platform according to Mode of operation determines that information sends channel or channel priority;
If send in priority channel ordered, in special time N1, if receiving row tail response, One-to-one annexation is then set up, otherwise, is sent with alternate channel;
In special time N2, if not receiving the row tail response of alternate channel, start the 2nd Secondary repeating transmission;
Resend using the priority channel.
7. method according to claim 6, it is characterised in that described in not-connected status Under, at driver's control box, tail wind pressure value shows blank, and working condition shows not connected; After the row tail application of the train tail host is received, driver's control box plays voice afterbody dress Put etc. to be confirmed, it is to be connected that working condition field flicker shows etc.;Shen is sent in multiple row tail wheel streams Please in the case of, driver's control box shows the row tail application for finally receiving;Without confirmation behaviour in 1 minute Make, recover not-connected status and show, the state that quits work field flicker.
8. method according to claim 6, it is characterised in that in the unconnected state, The mode of operation of the locomotive platform is 400M or 800M patterns, is specifically also included:
Locomotive platform only processes the information that the channel that is consistent with pattern is received;When the pattern of receiving is consistent channel Train tail host send row tail application after, driver's control box carries out voice message.
9. method according to claim 8, it is characterised in that also include:
After setting up one-to-one annexation, tail wind pressure value shows the blast that last time is received Value, working condition show connection, and row tail ID shows connected row tail number.
10. method according to claim 9, it is characterised in that also include:If institute The locomotive number included in receiving train tail host information and train tail host ID matchings, then carried out normal Response, and send confirmation to driver's control box and finish information, otherwise not respond.
CN201610350332.1A 2016-05-24 2016-05-24 A kind of digital double-mode row tail system and control method CN106541964A (en)

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