CN101830239B - Intelligent shunt circuit for section track and route type piecewise unlocking method - Google Patents
Intelligent shunt circuit for section track and route type piecewise unlocking method Download PDFInfo
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- CN101830239B CN101830239B CN2010101154973A CN201010115497A CN101830239B CN 101830239 B CN101830239 B CN 101830239B CN 2010101154973 A CN2010101154973 A CN 2010101154973A CN 201010115497 A CN201010115497 A CN 201010115497A CN 101830239 B CN101830239 B CN 101830239B
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Abstract
The invention relates to an intelligent shunt circuit for a section track and a route type piecewise unlocking method, which solve the technical problems of frequently generating accidents caused by ill track shunt circuits in the prior art and avoiding potential safety hazards caused by three-point piecewise unlocking. The route type piecewise unlocking method comprises the following steps of: converting analog voltage pulse signals into digital voltage signals by a track circuit with the help of an A/D (analog/digital) conversion circuit; judging the occupancy condition of the section track according to a curved line of the digital voltage signals; connecting a track circuit of a first section track and a track circuit of a second section track of a next-stage route in parallel; and respectively transmitting the collected voltage signals into a CPU1 (central processing unit 1) of the stage route. The route type piecewise unlocking method can effectively reflect the occupancy condition of the last section track of the stage route, and the routes can be better connected.
Description
Technical field
The invention belongs to train dispatching and rail vehicle supervision and management field, be specifically related to a kind of branch path method and unlock method of intelligence, particularly carry out the method for section track shunt and the method for route type piecewise unlocking based on digital track circuit.
Background technology
Traditional track circuit standard is varied; But change ten thousand times without leaving the original aim or stand: adopt the mechanical type track relay, judge according to the impulse singla of railway voltage whether track has car to take, and impulse singla is equivalent to analog signal; For example use " 1 " representative that car is arranged, with the no car of " 0 " representative.The maximum problem of this mode be exactly since rail and vehicle wheel to a track circuit shunting badness problem of getting rusty and causing.Since rail and car team wheel between can not guarantee effective contact, track circuit shunting badness causes driving faults again and again, becomes the global problem of railway signal specialty.
Because of track circuit shunting badness causes another major causes of driving faults, be exactly the release mode of track circuit section: the bikini piecewise unlocking.Traditional bikini piecewise unlocking is to come release this section according to " train or car team move the place ahead section takies, this section goes out clearly, rear section release ".The bikini piecewise unlocking is that any continuous three section tracks are carried out unified monitoring; It is train first section track of release just when passing through the 3rd section track; This moment, the signal of the 3rd section track took on a red color; It is yellow that the signal of middle second section track is, and it is green that the signal of first section track is.The drawback of the method is: bring potential safety hazard thereby can not solve because of track circuit shunting badness makes section shift to an earlier date release, and can not effectively check last section of route.
Summary of the invention
Thereby the objective of the invention is to cause accident frequently to take place in order to solve prior art middle orbit circuit shunting badness; And avoid the bikini piecewise unlocking and bring the technical matters of potential safety hazard; Designed a kind of intelligent shunt circuit and route type piecewise unlocking method that is used for section track; Adopt digital track circuit, the voltage signal of track circuit collection is carried out curve simulation, judge the situation that takies, track or the track circuit failure of section track through the backstage; Thereby in time pinpoint the problems and take measures, avoid train operation accident to take place.
The present invention for realizing the technical scheme that goal of the invention adopts is; A kind of intelligent shunt circuit method that is used for section track; Above method is to convert the pressurized deformation quantity of this section track into analog electrical signal by the orbital simulation circuit that on section track, is provided with to send to the CPU with management program; Through the relay of management circuit control signal machine, the situation that takies of display block track, the concrete steps of above-mentioned method comprise after the CPU computing:
1., track circuit converts above-mentioned analog voltage pulse signal in real time into digital voltage signal by the A/D change-over circuit, judges the current situation that takies of section track according to the derivative rate of change of the curve point of digital voltage signal;
2., press the digital analogue signal of the section voltage signal of gathering in the rail process to set along separate routes grade, and be stored in immediately in the supporting memory cell on train, and carry out the numerical value compare of analysis by shunt class information with historical storage;
Being divided into of shunt grade:
1) according to the instant observed reading of the voltage in the process of delaying unloading and the difference range between the initial voltage value when not delaying unloading be divided into one group of voltage range;
2) curve of digital voltage signal is monitored, the time length of said voltage range shared ratio in the process total time of delaying unloading is set grade along separate routes more than the foundation;
3., according to comparison result, send vehicle trouble in the part of path status information to background server.
Key of the present invention is that the analog quantity with prior art track circuit acquisition trajectory voltage converts digital signal into; Send to the backstage in real time; The backstage is simulated digital signal and show with squiggle, can know and find out as car through out-of-date, even because the track somewhere is gathered inaccurate owing to getting rusty; But the general morphology of squiggle is a crest or trough shape, can confirm the orbit occupancy situation; Simultaneously; The employing digital voltage signal exercises supervision; When train process this section track, the variable quantity of the voltage signal of track circuit collection remains unchanged in theory, because track circuit itself or extraneous factor; Track circuit collection train changes the pressure size of track; Grade then also shows " having " of pressure and the change procedure between " nothing " to adopt branchs rank to set along separate routes, through the backstage to the idle condition analysis of train, latchup analysis, car analysis and bicycle parking supervise analysis integrated processing and draw the shunt grade, after the information of shunt grade and historical storage is compared; Judge the place that has or not and exist fault of fault, and in time safeguard.
The invention still further relates to a kind of and above-mentioned matching used route type piecewise unlocking method of intelligent shunt circuit method; Said route is made up of one group of section track with track circuit; The voltage signal that the wild trajectory circuit will be gathered this section track is sent to the CPU1 of route at the corresponding levels, and the route type piecewise unlocking principle is carried out according to following control step:
The CPU1 of A, route at the corresponding levels receives the voltage signal of next stage route first track circuit and the collection of second track circuit;
B, train are through behind first section section track of next stage route, and the signal of the final stage section track of the transmission early warning signal of route at the corresponding levels to route at the corresponding levels sends the signal through second from the bottom section section track of signal to route at the corresponding levels simultaneously;
C, train are through behind second section section track of next stage route, and the signal of first section section track of transmission early warning signal to the next stage route of route at the corresponding levels sends the signal through the final stage section track of signal to route at the corresponding levels simultaneously.
The key of route type piecewise unlocking method is to have avoided traditional bikini piecewise unlocking owing to be independently between the route; Be no judge of the situation that takies of final stage section track in the route with bikini; The present invention is improved to route type with piecewise unlocking; With parallel connection of track circuit of track circuit and second section track of first section track of next stage route; Respectively the voltage signal of gathering is sent among the CPU of route at the corresponding levels, can actv. reflects the situation that takies of the final stage section track of route at the corresponding levels, coupling together well between the route.
Below in conjunction with accompanying drawing the present invention is elaborated.
Description of drawings
Fig. 1 is the embodiment that voltage range is divided foundation among the present invention.
Fig. 2 is that grade is the specific embodiment of A level along separate routes.
Fig. 3 is that grade is the specific embodiment of E level along separate routes.
Fig. 4 is the scheme drawing of route release process among the present invention.
Among Fig. 4; U1, U2 are respectively first track circuit, second track circuits of next stage route; Q-1 is a second from the bottom section section track of route at the corresponding levels, and Q0 is the final stage section track of route at the corresponding levels, and Q1 is first section section track of next stage route; J-1, J0 are respectively the signal of second from the bottom section section track Q-1 of route at the corresponding levels, the signal of final stage section track Q0, and J1 is the signal of first section section track Q1 of next stage route.
The specific embodiment
Referring to accompanying drawing; A kind of intelligent shunt circuit method that is used for section track; Above method is to convert the pressurized deformation quantity of this section track into analog electrical signal by the orbital simulation circuit that on section track, is provided with to send to the CPU with management program; Through the relay of management circuit control signal machine, the situation that takies of display block track, the concrete steps of above-mentioned method comprise after the CPU computing:
1., track circuit converts above-mentioned analog voltage pulse signal in real time into digital voltage signal by the A/D change-over circuit, judges the current situation that takies of section track according to the derivative rate of change of the curve point of digital voltage signal;
2., press the digital analogue signal of the section voltage signal of gathering in the rail process to set along separate routes grade, and be stored in immediately in the supporting memory cell on train, and carry out the numerical value compare of analysis by shunt class information with historical storage;
Being divided into of shunt grade:
1) according to the instant observed reading of the voltage in the process of delaying unloading and the difference range between the initial voltage value when not delaying unloading be divided into one group of voltage range;
2) curve of digital voltage signal is monitored, the time length of said voltage range shared ratio in the process total time of delaying unloading is set grade along separate routes more than the foundation;
3., according to comparison result, send vehicle trouble in the part of path status information to background server.
Key of the present invention is that the analog quantity with prior art track circuit acquisition trajectory voltage converts digital signal into; Send to the backstage in real time; The backstage is simulated digital signal and show with squiggle, can know and find out as car through out-of-date, even because the track somewhere is gathered inaccurate owing to getting rusty; But the general morphology of squiggle is a crest or trough shape, can confirm the orbit occupancy situation; Simultaneously; The employing digital voltage signal exercises supervision; When train process this section track, the variable quantity of the voltage signal of track circuit collection remains unchanged in theory, because track circuit itself or extraneous factor; Track circuit collection train changes the pressure size of track; Grade then also shows " having " of pressure and the change procedure between " nothing " to adopt branchs rank to set along separate routes, through the backstage to the idle condition analysis of train, latchup analysis, car analysis and bicycle parking supervise analysis integrated processing and draw the shunt grade, after the information of shunt grade and historical storage is compared; Judge the place that has or not and exist fault of fault, and in time safeguard.
Curve or contrast day curve or contrast month curve or contrast year curve or above arbitrary curve combination way of contrast when being contrast real-time voltage signal curve or contrast with the information way of contrast of historical storage.
The quantity of above-mentioned voltage range is 5, and corresponding grade classification along separate routes is 5 grades, E level, D level, C level, B level and A level.
The above-mentioned process of delaying unloading is track circuit collects has difference with initial voltage one section train driving distance.
A kind of route type piecewise unlocking method; Said route is made up of one group of section track with track circuit; The voltage signal that the wild trajectory circuit will be gathered this section track is sent to the CPU1 of route at the corresponding levels, and the route type piecewise unlocking principle is carried out according to following control step:
The CPU1 of A, route at the corresponding levels receives the voltage signal of next stage route first track circuit U1 and second track circuit U2 collection;
B, train are through behind first section section track Q1 of next stage route; The CPU1 of route at the corresponding levels sends the signal J0 of the final stage section track Q0 of early warning signal to route at the corresponding levels, sends the signal J-1 through second from the bottom section section track Q-1 of signal to route at the corresponding levels simultaneously;
C, train are through behind second section section track Q2 of next stage route; The CPU1 of route at the corresponding levels sends the signal J1 of first section section track Q1 of early warning signal to next stage route, sends the signal J0 through the final stage section track Q0 of signal to route at the corresponding levels simultaneously.
Enumerate a specific embodiment at present, referring to Fig. 1, be set in no car through the time the voltage initial value be 19V; When collecting when delaying unloading signal; 5 intervals are divided into respectively: change of voltage is set at the e interval less than 1V's, and change of voltage is set at the d interval between 1V-3V, and change of voltage is set at the c interval between 3V-9V; Change of voltage is set at the b interval between 9V-11V, change of voltage is set at a interval between 11V-19V.Be expressed as with mathematic(al) representation:
e：0＜t＜1；d：1≤t＜3；c：3≤t＜9；b：9≤t＜11；a：11≤t＜19
In the process of delaying unloading,, enumerate the diagram of curves of change of voltage in the process of specifically delaying unloading according to voltage and the time relation that track circuit collects at present; Please referring to Fig. 2; Express the voltage value that collects in real time in the process of delaying unloading on the one hand among Fig. 2, can determine grade along separate routes on the other hand, for example; Can with the interval shared time of a greater than x second, be decided to be A level grade (also can be called good along separate routes) along separate routes smaller or equal to the process total time of delaying unloading; Can the b interval be added that the interval time of a is decided to be B level grade along separate routes second greater than x; Can the c interval be added that the b interval adds that the interval time of a is decided to be C level grade along separate routes second greater than x; Can the d interval be added that the c interval adds that the b interval adds that the interval time of a is decided to be d level grade along separate routes second greater than x; Can the interval shared time of e be decided to be E level grade (also can be called absolute shunting badness) along separate routes second greater than x; Wherein x can set like the speed of a motor vehicle, vehicle commander's factor according to concrete train situation.For example among Fig. 2, set x=25 second, can find out that the interval shared time of a is 30 seconds, therefore grade is the A level along separate routes, and is good along separate routes, and the backstage demonstrates good along separate routes.As shown in Figure 3, the change of voltage that can find out the process of delaying unloading is less than 1V, and change of voltage drops on the e interval entirely; Judge that grade is the E level along separate routes, absolute shunting badness, the timely output alarm signal in backstage this moment; Hint track circuit or track break down, and send the staff in time to repair and safeguard.If grade is when B level, C level, D level along separate routes, the alerting signal of different brackets can be sent in the backstage, also will send the staff to carry out corresponding handling labor, the safety when guaranteeing railways train operation.
Referring to Fig. 4; The present invention is improved to route type with piecewise unlocking; With parallel connection of track circuit U2 of track circuit U1 and second section track of first section track of next stage route; Respectively the voltage signal of gathering is sent among the CPU1 of route at the corresponding levels, can actv. reflects the situation that takies of the final stage section track Q0 of route at the corresponding levels, coupling together well between the route.
Claims (5)
1. intelligent shunt circuit method that is used for section track; Above method is to convert the pressurized deformation quantity of this section track into the analog voltage pulse signal by the orbital simulation circuit that on section track, is provided with to send to the CPU with management program; Through the relay of management circuit control signal machine, the situation that takies of display block track, it is characterized in that: the concrete steps of described method comprise after the CPU computing:
1., track circuit converts above-mentioned analog voltage pulse signal in real time into digital voltage signal by the A/D change-over circuit, judges the current situation that takies of section track according to the derivative rate of change of the curve point of digital voltage signal;
2., press the section voltage signal of gathering in the rail process to convert digital signal on train, and above-mentioned digital signal set along separate routes grade, and is stored in immediately in the supporting memory cell, and carry out the numerical value compare of analysis by shunt class information with historical storage;
Being divided into of shunt grade:
1) according to the instant observed reading of the voltage in the process of delaying unloading and the difference range between the initial voltage value when not delaying unloading be divided into one group of voltage range;
2) curve of digital voltage signal is monitored, the time length of said voltage range shared ratio in the process total time of delaying unloading is set grade along separate routes more than the foundation;
3., according to comparison result, send vehicle trouble in the part of path status information to background server.
2. a kind of intelligent shunt circuit method that is used for section track according to claim 1 is characterized in that: the way of contrast of curve or contrast day curve or contrast month curve or contrast year curve or the combination of above arbitrary curve when being contrast real-time voltage signal curve or contrast with the shunt class information of the historical storage right mode of carrying out numeric ratio.
3. a kind of intelligent shunt circuit method that is used for section track according to claim 1 is characterized in that: the described process of delaying unloading is track circuit collects has difference with initial voltage one section train driving distance.
4. a kind of intelligent shunt circuit method that is used for section track according to claim 2, it is characterized in that: the quantity of described voltage range is 5, corresponding grade classification along separate routes is 5 grades.
One kind with the matching used route type piecewise unlocking method of intelligent shunt circuit method described in the claim 1; Said route is made up of one group of section track with track circuit; The voltage signal that the wild trajectory circuit will be gathered this section track is sent to the CPU (1) of route at the corresponding levels, and it is characterized in that: the route type piecewise unlocking principle is carried out according to following control step:
The CPU of A, route at the corresponding levels (1) receives the voltage signal of next stage route first track circuit (U1) and second track circuit (U2) collection;
B, train are through behind first section section track of next stage route (Q1); The CPU (1) of route at the corresponding levels sends the signal (J0) of the final stage section track (Q0) of early warning signal to route at the corresponding levels, sends the signal (J-1) through the second from the bottom section section track (Q-1) of signal to route at the corresponding levels simultaneously;
C, train are through behind second section section track of next stage route (Q2); The CPU (1) of route at the corresponding levels sends the signal (J1) of first section section track (Q1) of early warning signal to next stage route, sends the signal (J0) through the final stage section track (Q0) of signal to route at the corresponding levels simultaneously.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010101154973A CN101830239B (en) | 2010-03-02 | 2010-03-02 | Intelligent shunt circuit for section track and route type piecewise unlocking method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010101154973A CN101830239B (en) | 2010-03-02 | 2010-03-02 | Intelligent shunt circuit for section track and route type piecewise unlocking method |
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| CN101830239A CN101830239A (en) | 2010-09-15 |
| CN101830239B true CN101830239B (en) | 2012-04-18 |
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102707175B (en) * | 2012-06-13 | 2014-11-05 | 中国铁道科学研究院基础设施检测研究所 | Dynamic testing method and device for poor shunting of track circuit |
| CN104512439B (en) * | 2013-09-27 | 2017-08-11 | 湖南中车时代通信信号有限公司 | A kind of route release method and device |
| 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 |
| CN107878505B (en) * | 2016-12-23 | 2019-04-19 | 比亚迪股份有限公司 | Controlling of path thereof and device |
| CN109229150B (en) * | 2017-07-10 | 2020-04-24 | 比亚迪股份有限公司 | Method and device for unlocking access section |
| CN107499336B (en) * | 2017-08-14 | 2020-10-23 | 北京全路通信信号研究设计院集团有限公司 | Control method |
| CN107444432B (en) * | 2017-08-14 | 2021-03-16 | 北京全路通信信号研究设计院集团有限公司 | Control method for improving train cross-line route access efficiency |
| CN111469889B (en) * | 2020-04-28 | 2022-01-28 | 合肥工大高科信息科技股份有限公司 | Method, device and system for protecting computer interlocking track from power failure fault |
| CN114701537B (en) * | 2022-02-11 | 2024-03-05 | 国能包神铁路集团有限责任公司 | Track circuit branching failure early warning method and device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US3854683A (en) * | 1973-12-10 | 1974-12-17 | Wabco Westinghouse | Detector track circuit |
| US3963201A (en) * | 1975-03-03 | 1976-06-15 | Westinghouse Electric Corporation | Sequential occupancy release control method and apparatus for train vehicles |
| CN2104797U (en) * | 1991-10-23 | 1992-05-20 | 上海铁道学院 | Electronic high voltage pulsive circuit devive of railway track |
| CN1028287C (en) * | 1992-10-16 | 1995-04-26 | 中国铁路通信信号总公司研究设计院 | Rail induction uninsulated automatic block |
| CN1597386A (en) * | 2004-07-23 | 2005-03-23 | 佟亨文 | Intelligent orbital circuit equipment |
| DE102005034640B4 (en) * | 2005-07-20 | 2007-05-03 | Siemens Ag | Circuit arrangement for monitoring the occupancy state of a switch or a track area |
| DE102006024692B4 (en) * | 2006-05-19 | 2008-05-29 | Siemens Ag | Method and device for detecting the occupancy or free status of a track section |
| CN201033578Y (en) * | 2007-02-14 | 2008-03-12 | 沈阳合普铁道科技有限公司 | Railway orbit occupying checkout equipment |
| KR100873322B1 (en) * | 2007-07-30 | 2008-12-11 | 서울메트로 | Train occupation detection system and method |
| CN101445120B (en) * | 2008-11-17 | 2011-04-13 | 济南威度电子科技有限公司 | Device for detecting occupation of railway track |
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