CN103264714B - Based on the continuity protection route triggering method of destination in City Rail Transit System - Google Patents
Based on the continuity protection route triggering method of destination in City Rail Transit System Download PDFInfo
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Abstract
The present invention relates to the continuity protection route triggering method based on destination in a kind of City Rail Transit System, comprise the following steps: (1) system initialization; (2) judge whether train enters overlap and trigger section; (3) judge whether main route is set up; (4) judge whether overlap sets up; (5) CI sends overlap lock request to automatic train monitor ATS; (6) ATS searches for destination information after receiving request, if there is destination information, the direction calculating overlap locking replies to CI; (7) judge whether CI receives overlap lock information, if yes, perform step (10), otherwise perform step (8); (8) judge whether time meter arrives preset time t, if yes, perform step (9), otherwise return step (5); (9) CI sets up the overlap of acquiescence; (10) CI sets up overlap according to destination.Compared with prior art, the present invention has and makes train not need to wait for overlap unlocked time, effectively improves the advantages such as efficiency of operation.
Description
Technical field
The present invention relates to City Rail Transit System field, especially relate to the continuity protection route triggering method based on destination in a kind of City Rail Transit System.
Background technology
In city rail traffic signal system, be limited to civil engineering and track condition, in order to train can be tried one's best near the parking of restriction point, ensure safety simultaneously, need to arrange continuity protection route (hereinafter referred to as overlap) in restriction point downstream, restriction point to be transferred to the end of protection route, thus improve the availability of system.
In existing signal system, in interlock system (hereinafter referred to as CI), usually there is the default location of continuity protection route.When train is pressed into the region of specifying, CI triggers continuity protection route automatically to default location.This mode has certain efficiency, availability and safety, and its implementation, logical process are also fairly simple.
Along with the development of track traffic, the requirement of unit of operation to freight volume and efficiency is more and more stricter.When clinging to track on one's trail, continuity protection route treatment mechanism is originally difficult to the realization ensureing efficiency of operation, such as, shown in Fig. 1 when little cross-channel point, train must wait for the unblock of continuity protection route at platform, just can handle route of turning back, open foldback signal; Due to the existence of continuity protection route release time, thus reduce efficiency.Particularly for non-communicating train, because CI cannot receive the information that comes to a complete stop of train, cause unlocked time very long, and then have a strong impact on the efficiency of standby operation.
Summary of the invention
Object of the present invention be exactly in order to overcome above-mentioned prior art exist defect and provide a kind of in City Rail Transit System based on destination continuity protection route trigger method.
Object of the present invention can be achieved through the following technical solutions:
Based on a continuity protection route triggering method for destination in City Rail Transit System, it is characterized in that, comprise the following steps:
(1) system initialization, arranges acquiescence continuity protection route overlap, Preset Time upper limit t;
(2) judge whether train enters overlap and trigger section, if yes, perform step (3), otherwise interlock system CI does not set up overlap, and turns to step (11);
(3) judge whether main route is set up, if yes, perform step (4), otherwise CI does not set up overlap, and turn to step (11);
(4) judge whether overlap sets up, if yes, perform step (5), otherwise CI keeps existing overlap, and turn to step (11);
(5) CI sends overlap lock request to automatic train monitor ATS, starts time meter simultaneously;
(6) ATS searches for destination information after receiving request, if there is destination information, the direction calculating overlap locking replies to CI, and perform step (7), if do not exist, return to the overlap position of acquiescence, and turn to (11);
(7) judge whether CI receives overlap lock information, if yes, perform step (10), otherwise perform step (8);
(8) judge whether time meter arrives preset time t, if yes, perform step (9), otherwise return step (5);
(9) CI sets up the overlap of acquiescence, and turns to step (11);
(10) CI sets up overlap according to destination, and turns to step (11);
(11) terminate.
Destination information in described step (6) refers to that this overlap updrift side triggers first train information in section.
Compared with prior art, the present invention has the following advantages:
1, trigger corresponding overlap based on train destination, because the locking direction of overlap is consistent with the direction of next route, make train not need to wait for overlap unlocked time.Particularly under backup mode, train need not wait for that the unlocked time of overlap just can directly arrange follow-up route, carries out corresponding operation, effectively improves the availability of efficiency of operation and system.
2, do not need operator manually to participate in, alleviate operator's workload and stress.
3, automatically can trigger dissimilar overlap according to the destination of train, improve Signal Products automatization level.
Accompanying drawing explanation
Fig. 1 is the default location of overlap in prior art and conflicting of other operations;
Fig. 2 is processing flow chart of the present invention;
Fig. 3 is the process of establishing figure of list interlocking area overlap of the present invention;
Fig. 4 is the process of establishing figure of the present invention across interlocking area overlap;
Fig. 5 is that overlap of the present invention triggers distance map;
Fig. 6 is the time delays figure that list interlocking area overlap of the present invention asks to set up;
Fig. 7 is the time delays figure that the present invention asks across interlocking area overlap to set up.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
Embodiment
As shown in Figure 2, the continuity protection route triggering method based on destination in a kind of City Rail Transit System comprises the following steps:
(1) system initialization, arranges acquiescence continuity protection route overlap, Preset Time upper limit t;
(2) judge whether train enters overlap and trigger section, if yes, perform step (3), otherwise interlock system CI does not set up overlap, and turns to step (11);
(3) judge whether main route is set up, if yes, perform step (4), otherwise CI does not set up overlap, and turn to step (11);
(4) judge whether overlap sets up, if yes, perform step (5), otherwise CI keeps existing overlap, and turn to step (11);
(5) CI sends overlap lock request to automatic train monitor ATS, starts time meter simultaneously;
(6) ATS searches for destination information after receiving request, if there is destination information, the direction calculating overlap locking replies to CI, and perform step (7), if do not exist, return to the overlap position of acquiescence, and turn to (11);
(7) judge whether CI receives overlap lock information, if yes, perform step (10), otherwise perform step (8);
(8) judge whether time meter arrives preset time t, if yes, perform step (9), otherwise return step (5);
(9) CI sets up the overlap of acquiescence, and turns to step (11);
(10) CI sets up overlap according to destination, and turns to step (11);
(11) terminate.
As shown in Figure 3, the foundation of single interlocking area overlap (namely overlap and route are in same interlocking area) is mainly through the direction information of our station CI and the mutual overlap of our station ATS.Enter overlap at train and trigger section, and after main route sets up, CI sends overlap and sets up lock request to ATS, and starts an overlap simultaneously and set up timing; ATS is after the foundation request receiving overlap, search for first train information in this overlap updrift side triggering section, if this train has corresponding destination, then according to this destination information, calculate the direction of overlap locking, if train does not have destination number, or other situation, then provide the locked position of acquiescence; Before timing terminates, if CI confiscates the overlap direction information that ATS sends, then overlap is set up the position being locked in acquiescence, if receive, set up by destination information.
As shown in Figure 4, the foundation across interlocking area overlap (namely overlap and route are in different interlocking area, and overlap is in neighboring station CI region) has then been come by the CI of neighboring station, the process of establishing of neighboring station CI and the process of our station CI similar.Neighboring station region CI sends overlap lock request to the ATS of neighboring station, the ATS of neighboring station provides train number, object information and position etc. according to our station, search for first train information in this overlap updrift side triggering section, if this train has corresponding destination, then according to this destination information, calculate the direction of overlap locking; If train does not have destination number, or other situation, then provide the locked position of acquiescence.
Owing to invention increases the interactive information of ATS<->CI, in order to not affect efficiency, the length that section is set up in the triggering of overlap must consider the distance that train runs in the loss of time (t) that this interactive information produces.Under communication-based train control pattern (hereinafter referred to as CBTC) and standby master mode (hereinafter referred to as BM), triggering distance of the present invention increases V on the basis of original triggering distance
m* t, as shown in Figure 5.Wherein, V
mfor the maximum speed that train on circuit can reach, t refers to the most long time delay that information transmission and process consume.
When overlap is that the time consumed is the longest by (as shown in Figure 4) during neighboring station interlocked control, this time is also that CI is at the maximum delay triggering overlap foundation simultaneously.Be illustrated in figure 6 the time delays that single interlocking area overlap asks to set up, be illustrated in figure 7 the time delays of asking foundation across interlocking area overlap, the trackside of DCS described in figure is the time delay of data communication system (DCS) trackside equipment.Above-mentioned Preset Time upper limit t is this time delays, and in this time delays, if do not receive the information of ATS, then overlap is based upon the position of acquiescence by CI.
In the present invention, under normal circumstances, CI can realize the protection section (when train is in route triggering section) arranging different directions according to ATS destination and current of traffic when handling (artificial/automatic) train route.When under degraded mode, when adopting automatic route mode route setting, when ATS has a destination of train, still can according to the destination number of train, the direction of triggering corresponding overlap locking is consistent with follow-up entry direction.
The present invention is based on train destination and trigger corresponding overlap, because the locking direction of overlap is consistent with the direction of next route, make train not need to wait for overlap unlocked time.Particularly under backup mode, train need not wait for that the unlocked time (about more than 180s) of overlap just can directly arrange follow-up route, carries out corresponding operation.Suppose to run according to 1: 1 at long-short route, because there is the unlocked time of overlap, former tracking interval best-case is 180s.Adopt after the inventive method, Train Interval is no longer subject to the restriction of overlap unlocked time, interval can and main track run interval and adapt, reach 120s, efficiency improves 33.3%, improves the availability of efficiency of operation and system.The present invention triggers dissimilar continuity protection route according to the destination of train automatically, improves Signal Products automatization level, and does not need operator manually to participate in, alleviate operator's workload and stress.
Claims (2)
1. protect a route triggering method based on the continuity of destination in City Rail Transit System, it is characterized in that, comprise the following steps:
(1) system initialization, arranges acquiescence continuity protection route overlap, Preset Time upper limit t;
(2) judge whether train enters overlap and trigger section, if yes, perform step (3), otherwise interlock system CI does not set up overlap, and turns to step (11);
(3) judge whether main route is set up, if yes, perform step (4), otherwise CI does not set up overlap, and turn to step (11);
(4) judge whether overlap sets up, if yes, perform step (5), otherwise CI keeps existing overlap, and turn to step (11);
(5) CI sends overlap lock request to automatic train monitor ATS, starts time meter simultaneously;
(6) ATS searches for destination information after receiving request, if there is destination information, calculate overlap locking direction and reply to CI, and perform step (7), if do not exist, return to the overlap position of acquiescence, and turn to step (11);
(7) judge whether CI receives overlap lock information, if yes, perform step (10), otherwise perform step (8);
(8) judge whether time meter arrives preset time t, if yes, perform step (9), otherwise return step (5);
(9) CI sets up the overlap of acquiescence, and turns to step (11);
(10) CI sets up overlap according to destination, and turns to step (11);
(11) terminate.
2. protect route triggering method based on the continuity of destination in a kind of City Rail Transit System according to claim 1, it is characterized in that, the destination information in described step (6) refers to that this overlap updrift side triggers first train information in section.
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| CN104973088B (en) * | 2014-04-04 | 2017-04-26 | 湖南中车时代通信信号有限公司 | Reliving method and system for urban rail route protection |
| CN105083327B (en) * | 2014-04-25 | 2017-04-26 | 湖南中车时代通信信号有限公司 | Method and apparatus for verifying protecting logic of train |
| CN105329260B (en) * | 2014-06-26 | 2017-04-26 | 湖南中车时代通信信号有限公司 | Train long forward road defence removing method and system |
| CN104724142B (en) * | 2015-03-12 | 2017-01-18 | 卡斯柯信号有限公司 | Method for setting temporary speed restriction for train in degraded mode |
| CN106476847B (en) * | 2016-10-13 | 2018-10-09 | 交控科技股份有限公司 | The unlocking method and device of entry protection section |
| CN109159802B (en) * | 2018-09-18 | 2020-10-27 | 交控科技股份有限公司 | Unlocking method for protecting section based on improvement of safe operation |
| CN110450826B (en) * | 2019-08-02 | 2022-03-11 | 北京交大微联科技有限公司 | Processing method and system for continuation route |
| CN110901711B (en) * | 2019-12-04 | 2021-08-13 | 卡斯柯信号(北京)有限公司 | Verification method and device for automatically triggering access triggering track |
| CN111452836B (en) * | 2020-04-21 | 2022-06-28 | 卡斯柯信号有限公司 | Permanent route control method |
| CN112026853B (en) * | 2020-08-31 | 2022-08-05 | 青岛海信微联信号有限公司 | Train route access method, device, equipment and medium |
| CN112477921B (en) * | 2020-12-11 | 2022-12-20 | 交控科技股份有限公司 | Protection section unlocking method and device |
| CN112660212A (en) * | 2021-01-04 | 2021-04-16 | 北京全路通信信号研究设计院集团有限公司 | Interval direction control method and interlocking system |
| CN113002592B (en) * | 2021-03-30 | 2022-12-09 | 卡斯柯信号(成都)有限公司 | General processing method for train route approaching locking logic |
| CN114261428B (en) * | 2021-12-14 | 2023-09-08 | 卡斯柯信号有限公司 | Processing method for continuous route fault or continuous route unlocking after vehicle forwarding |
| CN114394136B (en) * | 2021-12-30 | 2024-01-23 | 卡斯柯信号有限公司 | Train control method for city railway C2+ATO |
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