CN113002592A - General processing method for train route approaching locking logic - Google Patents
General processing method for train route approaching locking logic Download PDFInfo
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- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L23/00—Control, warning or like safety means along the route or between vehicles or trains
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Abstract
The invention discloses a general processing method of train route approach locking logic, which relates to the technical field of interlocking train route approach locking of track traffic.
Description
Technical Field
The invention relates to the technical field of interlocking train route approach locking in track traffic, in particular to a general processing method for train route approach locking logic.
Background
In the technical field of rail traffic signal control, route locking means that a turnout on a route and a route having an enemy relationship with the route are well locked, so that a train is prevented from driving accidents in the running process, namely, control signal conflicts among the routes are isolated.
The locking of the access path is divided into pre-locking and approach locking, wherein the pre-locking refers to a state that an approach section of the train is still idle after the train signal is opened, and the approach locking refers to a state that the approach section of the train is occupied after the train signal is opened. Due to the influence of the speed, braking performance, and line conditions of the train, the train operation speed varies, and the train signal is generally extended to ensure that the train can stop before the traffic signal.
In the prior art, no related patent related to approaching locking is involved, but the current train signal approaching extension processing method basically adopts the design principle of traditional relay interlocking, and the approach locking logic is realized by checking the forms of a relay and a ZJ shunting terminal relay through a GJJ station relay and a ZCJ.
(1) The train route which can wrongly form the train signal as the starting end approaches the locking
Due to the characteristics of the GJJ circuit, the excitation branch is related to the position of a turnout in a route, and if the turnout in an open train signal route suddenly loses representation, the GJJ falls down to mistakenly form the closing locking of the train route of which the signal is the starting end.
(2) Proximity locking for misforming of associated route ahead of the train signal
Due to the defect of time sequence, when a cross crossover exists in an access, due to the characteristic of locking of cross crossover sections, the crossover sections cannot be unlocked in the same calculation period, so that the current period ZCJ in which GJJ falls also falls, the close locking condition is mistakenly fallen into a period, and the close locking condition is mistakenly formed.
Disclosure of Invention
The invention aims to provide a general processing method for train route approach locking logic, which specifically analyzes the condition that a train signal approaches and extends to a rear route and rear section equipment according to a general approach locking information table template, aiming at the problems in the prior art.
The purpose of the invention is realized by the following technical scheme:
the invention provides a general processing method for a train route approach locking logic, which comprises the following steps:
a step of generating approach extension information, which is to extract a train route and equipment in the route, interval equipment between routes and a guide route which are described by a station yard graph topological structure in station yard graph editing software to form a route information table; the train route comprises the front-back connection relation among all route internal devices in each route, and the route internal devices comprise train signal devices, section devices and turnout devices in the routes; the generated route information table comprises train signal equipment of each route needing to be approached and extended and a range of the train signal equipment needing to be approached and extended; the approach extension range comprises all routes needing to be subjected to approach extension behind the train signal equipment, guide routes overlapped with the routes, and all section equipment capable of forming train signal approach extension behind each route;
a closing locking logic processing step, namely, performing locking logic generation on all routes in the route information table, setting the first route equipment of each route as the initial end equipment, setting the route which has an open record and/or is in a complete locking state and is not converted into a guide route for the initial end equipment to form closing locking and all or part of the section equipment in the route is occupied to form locking logic of each route; if no other route exists behind the route forming the locking logic, setting the interval equipment behind the route as occupied; if other routes exist behind the route forming the locking logic, the interval equipment behind the route is set to be occupied, and other routes in front of the route are set to be in an open state, namely the interval equipment between the route and the route behind the route is set to be occupied so that the train can be used at the next step, and the route train before the route passes through the route train, the route train can be developed and reused, and the approaching locking logic of the signal equipment for approaching and extending each route is generated;
and an approach locking logic output step of outputting the approach locking logic of each route formed by the approach locking logic processing step.
Preferably, the complete locking state refers to that after the route is established, all the segment devices in the route are locked and the switch devices in the route are located at the position in the route advancing direction, the locking logic of the route after the route is locked is established, and when the train drives into the route, the route is in the occupied state.
Further, in the approach locking logic processing step, the locking logic for forming each route specifically includes the following conditions:
condition A, the starting end equipment of the route has an open record, and/or the route is in a complete locking state and the route is not converted into a guide route, namely the route firstly meets at least one of two conditions that the starting end equipment has an open record or the route is in a complete locking state and the route is not converted into a guide route;
the condition B is that after the condition A is met, when the train drives into the access from the previous access, all or part of interval equipment forming the locking logic between the access and the adjacent access is occupied, and the access is not converted into a guide access, namely the locking logic of the access, the access cannot be a guide access when the train drives, and other vehicles cannot drive into the access after all or part of interval equipment forming the locking logic between the access and the adjacent access is occupied, otherwise, the access is in an open state and cannot form the access locking logic;
and after the condition C and the condition B are also met, the route needs to enter an occupied state after the train enters the route, so that all or part of interval equipment forming the locking logic between the route and the adjacent route is set to be occupied, and/or all or part of section equipment forming the locking logic in the route is set to be occupied, and meanwhile, the position of the route is possibly the first of all routes and possibly the middle of all routes, so that the train enters the route and simultaneously sets that all routes in front of the route are opened so as to carry out next route arrangement, and the locking logic of the route is formed.
Further, in the step of generating the approach extension information, the generated route information table is obtained by sequencing each route according to a front-back sequence of each route depicted by a station yard graph topological structure in the station yard graph editing software.
Correspondingly, in the approach locking logic processing step, locking logic is formed on each route one by one according to the route sequence in the route information table.
Specifically, the step of forming a locking logic for the first route in the route information table includes:
firstly, setting a first route starting end device to have an open record or setting the first route to be in a complete locking state and the route is not converted into a guide route;
then, setting that the first access path is close to locking, and the section in the first access path is not completely unlocked and the access path is not converted into a guide access path;
and finally, setting that the interval equipment forming the locking logic between the first route and the subsequent route is occupied, and/or all or part of the interval equipment forming the section close to locking in the first route is occupied to form the locking logic of the first route.
Furthermore, the step of forming the locking logic for the second to nth routes in the route information table includes:
firstly, determining that the starting end equipment of the route has an open record or the route is in a complete locking state and the route is not converted into a guide route;
then, when determining that the train enters the route from the previous route, the route is close to locking and the section equipment in the route is not completely unlocked, and the route is not converted into a guide route;
and finally, after the route meets the requirements, setting the occupied interval equipment behind the route, and simultaneously setting all the routes in front of the route in the route information table to be in an open state to form the locking logic of the route.
In the step of outputting the proximity locking logic, the step of outputting the proximity locking logic of each route further includes a memory holding step, as shown in fig. 2, on the premise that any proximity locking condition is satisfied within an extended range, the train signal approaches a locking structure, and memory holding exists after the proximity locking structure, even if the proximity locking condition is not satisfied, the memory holding step means that the proximity locking logic of the route is always held if the signal is not reopened or the route is not unlocked or is not converted into a guide signal under the proximity locking condition.
Specifically, the memory maintaining step includes the following conditions:
the method comprises the following steps that 1, whether a first route in a route information table forms locking logic according to the approaching locking logic processing step is judged;
condition 2: judging whether a second route to an Nth route of the route information table form a locking logic according to the approaching locking logic processing step;
if other routes exist behind the route forming the locking logic, judging whether the state of the equipment in the section behind the last route behind the route is occupied or not;
if the route meets any one of the conditions 1-4, the current approaching locking setting of the route is maintained, whether the route where the signal for approaching extension is located is re-opened or not or whether the route where the signal is located is unlocked or whether the signal is converted into the guide route or not is judged, and the route approaching locking for re-opening or converting the signal into the guide route is released.
Compared with the prior art, the technical scheme comprises the following innovation points and beneficial effects (advantages):
the method solves the problem that the approaching extension logic cannot be commonly used in a complex scene, and reduces the risk caused by lack of understanding of the whole interlocking logic when the project meets the special station type handwriting interlocking logic
The problem of processing time sequence and the problem of switching off the table caused by poor flexibility of the traditional relay interlocking logic are solved, and the condition that train signals are mistakenly formed to approach locking is solved.
Drawings
The foregoing and following detailed description of the invention will be apparent when read in conjunction with the following drawings, in which:
FIG. 1 is a general schematic of the treatment process of the present invention;
FIG. 2 is a logic flow diagram of the processing method of the present invention.
Detailed Description
The technical solutions for achieving the objects of the present invention are further illustrated by the following specific examples, and it should be noted that the technical solutions claimed in the present invention include, but are not limited to, the following examples.
In the general processing method for the train route approaching locking logic provided in this embodiment, the processing of the whole train route approaching locking logic is divided into three stages, namely, an approaching extension information generation stage, an approaching locking logic processing stage, and an approaching locking logic output stage, and specifically includes:
a step of generating approach extension information, which is to extract a train route and equipment in the route, interval equipment between routes and a guide route which are described by a station yard graph topological structure in station yard graph editing software to form a route information table; the train route comprises the front-back connection relation among all route internal devices in each route, and the route internal devices comprise train signal devices, section devices and turnout devices in the routes; the generated route information table comprises train signal equipment of each route needing to be approached and extended and a range of the train signal equipment needing to be approached and extended; the approach extension range includes all routes required to be subjected to approach extension behind the train signal equipment, guide routes overlapped with the routes, and all section equipment capable of forming train signal approach extension behind each route.
A closing locking logic processing step, namely, performing locking logic generation on all routes in the route information table, setting the first route equipment of each route as the initial end equipment, setting the route which has an open record and/or is in a complete locking state and is not converted into a guide route for the initial end equipment to form closing locking and all or part of the section equipment in the route is occupied to form locking logic of each route; if no other route exists behind the route forming the locking logic, setting the interval equipment behind the route as occupied; if there is another route behind the route constituting the lock logic, the approach lock logic is generated in which the signal device in which each route is extended in the vicinity is extended by setting the section device behind the route to occupied and setting the other route in front of the route to open.
And an approach locking logic output step, namely outputting the approach locking logic of each route formed by installing the approach locking logic processing step, wherein the opening and the locking of the route are directly displayed through train signal equipment of the route.
The approach extension information generation stage is to extract station element information such as train signal names, zone names, train routes and zones included in the train routes and a station map topological structure depicted in station map editing software, and automatically generate a route information table of a train signal approach extension range, wherein the contents of the route information table include the train signal names to be extended, all routes where the train signals approach extension, and zones and extended section devices constituting an approach locking condition in the routes. The station yard topological structure refers to the left-right connection relation of all equipment elements in each specific actual station yard, all routes which are close to being extended refer to all possible train routes which form the outside of the train signal, and a first section of route and a second section of route … nth section of route are respectively defined from near to far; the extended interval equipment refers to interval equipment outside the train signal, and is divided into 2 cases, wherein no route exists outside the train signal and the extended interval equipment directly extends to an interval; in the second case, the route is extended to the rear of the train signal, and then the route is extended to the section equipment behind the route.
And the approach locking logic processing stage is logic for generating a train signal approach locking construction condition according to the content provided by the approach locking information table template, and the locking logic for constructing each route is specific and comprises the following conditions:
in condition a, the starting device of the route has an open record, and/or the route is in a complete locked state and the route is not converted into the guided route, that is, the route first needs to satisfy at least one of two conditions that the starting device has an open record or the route is in a complete locked state and the route is not converted into the guided route.
And B, after the condition A is met, when the train drives into the access from the previous access, all or part of interval equipment forming the locking logic between the access and the adjacent access is occupied, and the access is not converted into a guide access, namely the locking logic of the access, namely the access must be that the access cannot be the guide access when the train drives into the access, other vehicles cannot drive into the access after all or part of interval equipment forming the locking logic between the access and the adjacent access is occupied, otherwise, the access is in an open state and cannot form the access locking logic.
And after the condition C and the condition B are also met, the route needs to enter an occupied state after the train enters the route, so that all or part of interval equipment forming the locking logic between the route and the adjacent route is set to be occupied, and/or all or part of section equipment forming the locking logic in the route is set to be occupied, and meanwhile, the position of the route is possibly the first of all routes and possibly the middle of all routes, so that the train enters the route and simultaneously sets that all routes in front of the route are opened so as to carry out next route arrangement, and the locking logic of the route is formed.
More specifically, the method can be divided into 4 sub-modules, which are respectively: the method comprises the following steps of prolonging the approaching locking logic condition of a first section of forward route, prolonging the approaching locking logic condition of a second section of forward route, prolonging the approaching locking logic condition of an nth section of forward route and prolonging the approaching locking logic condition of interval equipment, wherein the detailed processing of each module comprises the following steps:
(1) the proximity latch logic condition that generates proximity latch extension to the first leg of the forward trip is represented by three sub-conditions VAR1_1, VAR1_2, VAR1_ 3.
S1: sub-condition VAR1_ 1: checking that a starting end signal of the first section of the access path is opened once; on the premise that the signal has an open record, the first-stage route is in a complete locked state and the route is not switched to the guiding route, and VAR1_1 is established when any one of the above is satisfied.
S2: sub-condition VAR1_ 2: on the premise that VAR1_1 is established, checking that the first section of the route has been formed close to lock and the section in the route is occupied; when the first section of the route has been configured to be close to locked and the sectional devices in the route have been occupied, the section in the route is not completely unlocked and the route is not switched to a guided route, and VAR1_2 is established when any of the above is satisfied.
S3: sub-condition VAR1_ 3: on the premise that VAR1_2 is established, checking that a zone constituting a front signal proximity lock is occupied; after the approach to locked segment occupancy, a check is made that VAR1_2 is established, and VAR1_3 is established when either of these is satisfied.
The sub-condition VAR1_3 is satisfied, and the proximity lock logic condition constituting the first-stage route is satisfied.
(2) Generating a proximity latch logic condition for extending the proximity latch to the second forward leg is represented by three sub-conditions VAR2_1, VAR2_2, VAR2_3
S1: sub-condition VAR2_ 1: the established requirement is similar to the VRA1_1, and the checked route range is changed from the first-stage route to the second-stage route.
S2: sub-condition VAR2_ 2: the established requirements are similar to the VRA1_2, and the checked route range is changed from the first-stage route to the second-stage route.
S3: sub-condition VAR2_ 3: on the premise that the sub-condition VAR2_2 is satisfied, it is necessary to ensure that the first-stage route ahead is already open while checking the occupation of the approach section constituting the train signal in the second-stage route, otherwise, the approach locking condition cannot be satisfied.
The sub-condition VAR2_3 is satisfied, and the proximity lock logic condition constituting the second route is satisfied.
(3) The proximity lockout logic condition that creates a proximity lockout extension to the nth forward leg of the route is represented by three sub-conditions VARn _1, VARn _2, and VARn _ 3.
S1: sub-condition VARn _ 1: the established requirement is similar to the VRA1_1, and the checked route range is changed from the first segment of the route to the nth segment of the route.
S2: sub-condition VARn _ 2: the established requirement is similar to the VRA1_2, and the checked route range is changed from the first segment of the route to the nth segment of the route.
S3: sub-condition VARn _ 3: on the premise that the sub-condition VARn _2 is established, the occupation of an approaching section forming the train signal in the nth section of access is checked, and meanwhile, the access from the first section to the nth section in front is guaranteed to be opened, otherwise, the approaching locking condition cannot be formed.
The sub-condition VARn _3 is satisfied, and the proximity lock logic condition constituting the nth-stage route is satisfied.
(4) Generating a condition that the approach locking is extended to the interval device, wherein VAR _ QJ represents that no route exists after the approach is extended and only the interval device behind the signal is reached; VAR _ JLQJ indicates that the approach and the section device extending to the rear are close, that is, the section device of the approach range and the section device behind the approach are both close-locked sections of the signal, specifically:
s1: if only the extended section device is occupied, the locking condition is approached, and VAR _ QJ is established.
S2: if the distance is extended to the zone device and the backward route, the process is performed in conjunction with the situation of the zone device and the backward route, and when the zone device is occupied and the backward route is open, the closing condition configuration is reached, and VAR _ JLQJ is established.
As shown in fig. 2, the approach locking logic output stage is configured such that the train signal approaches the locking structure on the premise that any one of the approach locking conditions is satisfied within the extension range.
And further, a memory function may exist after the approach lock logic is configured, even if the approach lock condition is not satisfied at this time, the approach lock condition for configuring the approach is still satisfied.
Specifically, the memory function means that under the condition of approaching the locking, if the signal is not reopened or the route is not unlocked or is not converted into a guide signal, the approaching locking can be kept to be formed all the time, and the stage is divided into the following steps:
s1: it is judged whether or not an approach locking condition VAR1_3 for approaching the first-stage route extension is satisfied
S2: it is judged whether or not an approach lock condition VAR2_3 for approaching the second-step route is satisfied
Sn: whether or not an approach locking condition VAR2_ n for approaching the route extending to the nth stage is satisfied is judged
Sn + 1: whether or not the proximity lock condition VAR _ QJ of the proximity extension section device is satisfied is judged
Sn + 2: whether or not the approach locking condition VAR _ JLQJ for the approach-extended backward route and section device is satisfied is determined.
Sn + 3: and any step of S1-Sn +2 approaches the locking condition, and the train signal approaches the locking condition. Finally, the output train signal approaches the locking state
Sn +4, judging whether the signal is reopened or whether the train route where the signal is positioned is unlocked or is converted into a guide
And (4) Sn +5, Sn +4, and approaching to unlocking.
Claims (9)
1. A general processing method for a train route approach locking logic is characterized by comprising the following steps:
a step of generating approach extension information, which is to extract a train route and equipment in the route, interval equipment between routes and a guide route which are described by a station yard graph topological structure in station yard graph editing software to form a route information table; the train route comprises the front-back connection relation among all route internal devices in each route, and the route internal devices comprise train signal devices, section devices and turnout devices in the routes; the generated route information table comprises train signal equipment of each route needing to be approached and extended and a range of the train signal equipment needing to be approached and extended; the approach extension range comprises all routes needing to be subjected to approach extension behind the train signal equipment, guide routes overlapped with the routes, and all section equipment capable of forming train signal approach extension behind each route;
a closing locking logic processing step, namely, performing locking logic generation on all routes in the route information table, setting the first route equipment of each route as the initial end equipment, setting the route which has an open record and/or is in a complete locking state and is not converted into a guide route for the initial end equipment to form closing locking and all or part of the section equipment in the route is occupied to form locking logic of each route; if no other route exists behind the route forming the locking logic, setting the interval equipment behind the route as occupied; if other routes exist behind the route forming the locking logic, setting the interval equipment behind the route as occupied and setting other routes in front of the route as open states to generate an approaching locking logic of signal equipment with each route approaching to be extended;
and an approach locking logic output step of outputting the approach locking logic of each route formed by the approach locking logic processing step.
2. The method of claim 1 for generic processing of train route approach lock logic, wherein: the complete locking state refers to that after the route is established, all section equipment in the route is locked, turnout equipment in the route is located at the position in the advancing direction of the route, the locking logic of the route is established after the route is locked, and the route is in an occupied state when a train drives into the route.
3. The method for processing the closing and locking logic of the train route according to claim 1, wherein in the closing and locking logic processing step, the locking logic for each route is specifically configured, and the following conditions are included:
condition A, starting end equipment of the route has an open record, and/or the route is in a complete locking state and the route is not converted into a guide route;
when the condition A is met and a train drives into the access from the previous access, all or part of interval equipment forming locking logic between the access and the adjacent access is occupied, and the access is not converted into a guide access;
and after the condition C and the condition B are also met, setting all or part of the interval equipment forming the locking logic between the access and the adjacent access to be occupied, and/or all or part of the interval equipment forming the locking logic in the access to be occupied, and simultaneously setting all accesses in front of the access to be open.
4. The method for processing train route proximity locking logic according to claim 1, wherein in the step of generating the proximity extension information, the generated route information table is used to sequence each route according to a front-back order of each route depicted by a site diagram topology structure in the site diagram editing software.
5. The method of claim 4 for generic handling of train route proximity lock logic, wherein: and in the approach locking logic processing step, locking logic is formed on each route one by one according to the route sequence in the route information table.
6. The method of claim 5, wherein the step of forming the locking logic for the first route in the route information table comprises the steps of:
firstly, setting a first route starting end device to have an open record or setting the first route to be in a complete locking state and the route is not converted into a guide route;
then, setting that the first access path is close to locking, and the section in the first access path is not completely unlocked and the access path is not converted into a guide access path;
and finally, setting that the interval equipment forming the locking logic between the first route and the subsequent route is occupied, and/or all or part of the interval equipment forming the section close to locking in the first route is occupied to form the locking logic of the first route.
7. The method for processing the train route approach locking logic in general according to claim 5 or 6, wherein the step of forming the locking logic for the second to nth routes in the route information table comprises:
firstly, determining that the starting end equipment of the route has an open record or the route is in a complete locking state and the route is not converted into a guide route;
then, when determining that the train enters the route from the previous route, the route is close to locking and the section equipment in the route is not completely unlocked, and the route is not converted into a guide route;
and finally, after the route meets the requirements, setting the occupied interval equipment behind the route, and simultaneously setting all the routes in front of the route in the route information table to be in an open state to form the locking logic of the route.
8. The method of claim 7 for generic processing of train route approach lock logic, wherein: in the step of outputting the approach locking logic, the approach locking logic of each route also comprises a memory holding step after being output, and under the approach locking condition, if the signal is not reopened or the route is not unlocked or is not converted into the guide signal, the approach locking logic of the route is always held.
9. The method of claim 7, wherein the memory maintaining step comprises the following conditions:
the method comprises the following steps that 1, whether a first route in a route information table forms locking logic according to the approaching locking logic processing step is judged;
condition 2: judging whether a second route to an Nth route of the route information table form a locking logic according to the approaching locking logic processing step;
if other routes exist behind the route forming the locking logic, judging whether the state of the equipment in the section behind the last route behind the route is occupied or not;
condition 4, judging whether other route signals in front of each route are in an open state;
if the route meets any one of the conditions 1-4, the current approaching locking setting of the route is maintained, whether the route where the signal for approaching extension is located is re-opened or not or whether the route where the signal is located is unlocked or whether the signal is converted into the guide route or not is judged, and the route approaching locking for re-opening or converting the signal into the guide route is released.
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| CN114261428A (en) * | 2021-12-14 | 2022-04-01 | 卡斯柯信号有限公司 | Processing method for continuing route fault or continuing route unlocking after forwarding vehicle |
| CN115257872A (en) * | 2022-07-26 | 2022-11-01 | 卡斯柯信号有限公司 | Universal processing method for inspection logic of starting end and terminal of route |
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