CN114475719B - Method and system for updating block state of interval - Google Patents
Method and system for updating block state of interval Download PDFInfo
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- CN114475719B CN114475719B CN202210336175.4A CN202210336175A CN114475719B CN 114475719 B CN114475719 B CN 114475719B CN 202210336175 A CN202210336175 A CN 202210336175A CN 114475719 B CN114475719 B CN 114475719B
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- 230000000903 blocking effect Effects 0.000 claims abstract description 57
- 238000004891 communication Methods 0.000 claims abstract description 24
- 238000013459 approach Methods 0.000 claims description 25
- 238000010586 diagram Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 4
- 238000011084 recovery Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000007689 inspection Methods 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
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- B—PERFORMING OPERATIONS; TRANSPORTING
- 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
- B61L23/22—Control, warning or like safety means along the route or between vehicles or trains for controlling traffic in two directions over the same pair of rails
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L27/00—Central railway traffic control systems; Trackside control; Communication systems specially adapted therefor
- B61L27/04—Automatic systems, e.g. controlled by train; Change-over to manual control
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Abstract
The invention provides a method and a system for updating an interval block state, wherein the method comprises the following steps: acquiring the communication state between the interval port initialized to the initial state and the adjacent interval port adjacent to the interval port and the interval direction of the adjacent interval port of the interlocking system in the operating state and the blocking state; and if the operation state of the interlocking system is power-on locking, the communication state is failure and the section direction of the adjacent section port is departure direction, updating the blocking state of the section port in the initial state. The invention does not need to arrange a relay, has low cost and few fault points and is easy to maintain.
Description
Technical Field
The invention belongs to the technical field of rail transit train operation control, and particularly relates to a method and a system for updating an interval block state.
Background
With the high-speed rail becoming a bright business card in China, the high-speed rail in China has moved overseas. The Computer-Based Interlocking system (hereinafter referred to as an Interlocking system) is responsible for establishing a railway train core control device for a train route. Since the control (update) of the block state cannot be realized in the conventional interlock system, it is a problem to be solved urgently to add a function capable of realizing the block state control to the interlock system.
Disclosure of Invention
In view of the above problem, the present invention provides a method for updating an interval block state, where the method includes:
acquiring the communication state between an interval port and an adjacent interval port adjacent to the interval port, wherein the operation state and the blocking state of the interlocking system are initialized to initial states, and the interval direction of the adjacent interval port;
and if the operation state of the interlocking system is power-on locking, the communication state is failure and the section direction of the adjacent section port is departure direction, updating the blocking state of the section port in the initial state.
Further, the updating the blocking state of the initial state interval port comprises:
the blocking state of the interval port is initialized to a normal state from an initial state.
Further, when the block state of the section entrance is a normal state, whether the station of the adjacent section entrance has the departure route or not is checked, and if the station of the adjacent section entrance has the departure route and the station of the section entrance has no departure route is checked, the block state of the section entrance is changed from the normal state to the vehicle receiving agreement.
Further, when the block state of the section opening is in the vehicle receiving agreement, whether the section opening meets the vehicle receiving block condition or not is continuously checked, and when the vehicle receiving block condition is not met, the block state of the section opening is returned to the normal state from the vehicle receiving agreement.
Further, when the block state of the section entrance is in the vehicle receiving agreement, whether the station of the adjacent section entrance has the departure route or not is continuously checked, and when the station of the adjacent section entrance has no departure route is checked, the block state of the section entrance is recovered to be the normal state from the vehicle receiving agreement.
Further, when the block state of the section entrance is in the vehicle receiving agreement, whether the station of the adjacent section entrance has the departure approach or not and whether the section entrance meets the vehicle receiving block condition or not are continuously checked, and when the station of the adjacent section entrance has the departure approach and the section entrance meets the vehicle receiving block condition, the block state of the section entrance is changed from the vehicle receiving agreement to the vehicle receiving direction.
Further, when the block state of the block entrance is in the pickup direction, if the train occupies the approach section and the head section of the approach path in this order and gets out of the approach section, and the block is in the idle state, the block state of the block entrance is returned from the pickup direction to the normal state.
Further, when the block state of the section entrance is in the direction of receiving the train, the adjacent station section direction of the adjacent section entrance is continuously checked, and when the section direction of the adjacent section entrance is normal and the train is not sent to enter, and the section is in the idle state, the block state of the section entrance is recovered to the normal state from the direction of receiving the train.
Further, the communication state being a fault includes: the interval port after the initial state does not receive the effective information of the adjacent interval port within N seconds.
In another aspect, the present invention further provides a system for updating an interval block state, where the system includes:
the initialization module is used for acquiring the running state and the blocking state of the interlocking system, initializing the running state and the blocking state into the communication state between the initial-state interval port and the adjacent interval port and the interval direction of the adjacent interval port;
and the updating module is used for updating the blocking state of the initial section port when the running state of the interlocking system is the electrifying blocking state, the communication state is the fault and the section direction of the adjacent section port is the departure direction.
Further, the updating the blocking state of the initial state interval port comprises:
the blocking state of the interval port is initialized to a normal state from an initial state.
The invention provides a method and a system for updating an interval block state, which realize the interval block control function through Ethernet communication between two adjacent interval ports, expand the control range of interlocking, replace the scheme of the existing relay control interval direction, and have the advantages of low cost, less faults and easy maintenance.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 shows a flow chart of a method according to an embodiment of the invention.
Fig. 2 shows a flow chart of the section blocking state and updating according to the embodiment of the invention.
Fig. 3 shows a block state diagram of a normal state of an interval according to an embodiment of the present invention.
Fig. 4 shows a block state diagram in a departure request according to an embodiment of the invention.
Fig. 5 shows a block state diagram in a vehicle pickup consent according to an embodiment of the present invention.
Fig. 6 shows a block diagram of the pickup direction according to an embodiment of the present invention.
Fig. 7 shows a block diagram of the departure direction according to an embodiment of the present invention.
Fig. 8 shows a block state diagram of train approach according to an embodiment of the invention.
Fig. 9 shows a block state diagram of train arrival according to an embodiment of the present invention.
Fig. 10 shows an occlusion state diagram of section direction restoration according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, the present invention provides a method for updating a block state, where the method includes:
acquiring the communication state between the interval port initialized to the initial state and the adjacent interval port adjacent to the interval port and the interval direction of the adjacent interval port of the interlocking system in the operating state and the blocking state;
and if the operation state of the interlocking system (the operation state of the interlocking system comprises an initial state, a power-on locking state, a normal operation state and a fault shutdown state) is the power-on locking state, the communication state is a fault (or normal) state and the interval direction of the adjacent interval port is a departure direction (or a vehicle receiving direction or a normal state), updating the blocking state of the initial interval port.
In this embodiment, only when the operation state of the interlock system is the power-on lock, the blocking state of the section port after the initial state can be updated according to the communication state failure (or normal) and the section direction of the adjacent section port as the departure direction (or the pickup direction or the normal state).
In this embodiment, based on the secure ethernet channel between two adjacent stations, the information related to the intra-station and inter-zone devices is transmitted, and the interlock system further implements inter-zone block control (updates the inter-zone block state). The interlocking system defines a blocking state for each section port, each section port is independently controlled and does not influence each other, and the blocking state of the section port of the station can be updated in real time according to the signal equipment state (the signal equipment state in the jurisdiction range of the station) information of the station (the station of the section port) and the adjacent station (the station of the adjacent section port), the blocking state of the station and the section direction of the adjacent station. When the block state of the block is a normal state, the block direction is not opened to any station, and when the departure station has a departure request of the block, the receiving station checks that the block condition of the receiving station is satisfied, and then the receiving station changes the block direction of the block port into the receiving direction; and after the departure station checks that the departure block condition is met, the departure station changes the inter-zone direction of the zone gap into the departure direction. When the train completely enters the station receiving station, the section direction of both stations returns to the normal non-direction, which will be described in detail below.
1-section block state and update
As shown in fig. 2 (among them, in the figure'
"represents and relationships"
"indicates or is a relationship, and"/"indicates an execution operation after the condition is satisfied), in this embodiment, the block state of the block port is initialized to an initial state at the time of starting the interlock system, and the block state of the block port can be set based on the acquired communication state of the block port, the operation state of the interlock system, and the block direction of the adjacent station block port. The interlock system divides the block control of each section port into a plurality of states for processing, and the block state jumps according to the conditions of the access state of the section port, the section direction of the adjacent station section port (the section direction of the adjacent section port), the section blocking state and the like.
It should be noted that each section port has two attributes, which are the block state and the section direction of the section port, respectively, and the block state of any section port can be designed into 6 states, which are: the method comprises the following steps of initial state, normal state, vehicle receiving direction, vehicle receiving agreement, vehicle sending request and vehicle sending direction, wherein the interval direction comprises the normal state, the vehicle sending direction and the vehicle receiving direction; when the block state of the section port is a normal state, the section port is not opened to any station, and the section direction is a normal non-direction. Each interval port can be independently set with the blocking state of the interval, the blocking state is used for repairing interval equipment (signal equipment between two adjacent interval ports), the safety of workers is guaranteed, the direction of the check interval is normal when the interval port is blocked, and the interval is idle (all sections between the two interval ports are in the idle state). When the section is in the blocking state, the process of departure route to the section is forbidden, and a signal for forbidding opening is sent out.
The 6 occlusion states described above will be described in detail below.
1.1 initial state
At the beginning, when the interlock system is started, the blocking state of the initialization interval port is the "initial state". In this embodiment, the communication status includes: the communication is normal or failure (the section port after the initial state in N seconds does not receive valid information of the adjacent section port, that is, the received information is overtime), so after the block state of the section port is the "initial state", the block state of the section port may be updated as follows:
(1) when the communication state is normal, initializing the block state of the local station (i.e. the block state of the corresponding section port) according to the section direction of the adjacent station (the section direction of the adjacent section port), namely when the communication state is normal:
a. if the section direction of the adjacent section port is the departure direction, the updating of the blocking state of the section port after the initial state comprises the following steps:
the blocking state of the section port is initialized from the initial state to the pick-up direction.
b. If the section direction of the adjacent section port is the vehicle receiving direction, the updating of the blocking state of the section port after the initial state comprises the following steps:
the blocking state of the section port is initialized from the initial state to the departure direction.
c. If the section direction of the adjacent section port is a normal state, the updating of the blocking state of the section port after the initial state comprises the following steps:
the blocking state of the interval port is initialized to a normal state from an initial state.
(2) When the interval port in the initial state of the communication state does not receive the effective information of the adjacent interval port within N seconds, the updating of the blocking state of the interval port in the initial state comprises the following steps of no matter whether the interval direction of the adjacent interval port is the departure direction, the receiving direction or the normal state:
the blocking state of the interval port is initialized to a normal state from an initial state.
1.2 Normal state
(1) When the block state of the section entrance is a normal state, if the station of the section entrance handles the train route or the shunting route to the section entrance, checking whether the section entrance meets the departure block condition, and if the departure block condition is met and the station of the adjacent section entrance has no departure route, converting the block state of the section entrance from the normal state into a departure request, wherein the departure block condition is as follows:
a. the interval is idle;
b. the section is not blocked (the station of the section inspection port and the station of the adjacent section inspection port are not blocked);
C. the interval reverse annunciators are all forbidden lamplights; (the reverse signal machine governed by the station of the district port and the station of the adjacent district port is forbidden light).
(2) And when the blocking state of the section entrance is a normal state, checking whether the station of the adjacent section entrance has the departure route or not, and if the station of the adjacent section entrance has the departure route and the station of the section entrance has no departure route, converting the blocking state of the section entrance from the normal state into the acceptance of the receiving bus.
1.3 in departure request
(1) When the block state of the section port is in the departure request, whether the section port meets the departure block condition or not is continuously checked, and when the departure block condition is not met, the block setting is failed, and the block state of the section port is returned to the normal state.
(2) When the block state of the section port is in the departure request, if the departure access of the station of the section port is unlocked and the section is in the idle state, the block state of the section port is returned to the normal state.
(3) When the blocking state of the section opening is in the departure request, the section direction of the adjacent section opening is continuously checked, and when the section direction of the adjacent section opening is checked to be the receiving direction, the blocking state of the section opening is converted into the departure direction.
1.4 directions of departure
When the block state of the section entrance is in the departure direction, the section is in an idle state (all sections between two adjacent section entrances are in the idle state) and the station of the section entrance has no departure route, the block state of the section entrance is recovered to the normal state from the departure direction.
1.5 in the consent period
(1) When the block state of the section port is in the vehicle receiving agreement, continuously checking whether the section port meets the vehicle receiving block condition, and when the block state of the section port does not meet the vehicle receiving block condition, restoring the block state of the section port from the vehicle receiving agreement to the normal state, wherein the vehicle receiving block condition is as follows:
a. the interval is idle;
b. the interval is not blocked;
c. the station at the section gate does not arrange (handle) the departure route to the section gate;
d. the intra-station zone leading to the zone port is free (except when the zone is locked by an entry) and the outbound signal leading to the zone port lights up a red light.
(2) When the block state of the section entrance is in the agreement of receiving the train, continuously checking whether the station of the adjacent section entrance has the route of sending the train, and when the station of the adjacent section entrance is checked to have no route of sending the train, restoring the block state of the section entrance to the normal state from the agreement of receiving the train.
(3) When the blocked state of the section opening is in the vehicle receiving agreement, whether the station of the adjacent section opening has the departure approach or not and whether the section opening meets the vehicle receiving blocked condition or not are continuously checked, and when the station of the adjacent section opening is checked to have the departure approach and the section opening meets the vehicle receiving blocked condition, the blocked state of the section opening is changed from the vehicle receiving agreement to the vehicle receiving direction.
1.6 pick-up direction
(1) When the block state of the block port is in the direction of receiving the train, if the train sequentially occupies the approach section and the first section (the approach path is generally composed of a plurality of ordered sections, and the occupation approach represents the section occupying the approach path) of the pressure access path (the approach path is composed of a plurality of ordered sections, wherein the first section is the first section), and the approach section is cleared (the first section outside the first section of the approach path is the approach section), and the block state of the block port is recovered to be the normal state from the direction of receiving the train at the same time when the block port is in the idle state.
(2) When the block state of the section port is in the direction of receiving the train, the section direction of the adjacent station of the adjacent section port is continuously checked, and when the section direction of the adjacent section port is normal and the train does not enter the route, and the section is in the idle state, the block state of the section port is recovered to be normal from the direction of receiving the train.
2 Interval direction automatic setting
When the block state of the section is a normal state, the direction of the section is non-directional, the section cannot be opened in any direction, and the change of the direction of the section is automatically triggered after a departure attendant transacts a departure route without the cooperation of the stop attendant with other operations.
The section changing direction means that when the section is idle, the running direction of the section is automatically changed by establishing a departure route to the section port. The station a and the station B are assumed to be two adjacent stations (the section port where the station a is located and the section port where the station B is located are two adjacent section ports), and fig. 3 to 10 demonstrate in sequence that the process of blocking control and section direction return to normal for the station a as the station departure and the station B as the station receiving station when the two adjacent stations are in normal state.
The section identification block in fig. 3 to 10 indicates the current section direction of the section port, where "C" indicates the direction of receiving vehicles at the section port, "N" indicates the normal state of the section port, "G indicates the direction of departure of the section port, and the section direction of the current section port is indicated by the lighting state indicated below" G "," N ", and" C ".
2.1 region Normal
In fig. 3, neither station a nor station B has an outgoing request to each section gate, and the closed state of the section gate is in a normal state. And a rectangular block below the block N in the interval identification block is lightened, and the interval direction of the interval port corresponding to the station A and the station B is a normal state.
2.2 in departure request
In fig. 4, when the station a transacts the departure route to the station B (black arrow in the figure), the switching of the section direction is automatically triggered after the route of the station a is locked, and after the station a interlock system checks that the departure block condition of the station itself is satisfied, the block state of the section entrance of the station a is changed to the departure request, and the section direction of the section entrance of the station B is kept unchanged in a normal state.
2.3 in receiving consent
In fig. 5, when the block state of the block entrance of the station B is in the normal state and when the adjacent station (station a) is checked to have a departure route to the block entrance, the interlock system of the station B checks that the block condition of the station B for receiving the train is satisfied, and then the block state of the block entrance of the station B is changed to the agreement for receiving the train, and the block direction of the block entrance is kept unchanged in the normal state (that is, "N" in the figure is marked as black).
2.4 pick-up Direction
In fig. 6, when the block state of the section entrance where the station B is located is in the vehicle receiving agreement, the vehicle receiving block condition is checked, and when the vehicle receiving block condition is satisfied and the departure approach exists at the station a, the block state of the section entrance where the station B is located is changed to the vehicle receiving direction, the triangular block below the "C" in the station B section identification block is lighted, and the section direction of the section entrance where the station B is located is the vehicle receiving direction.
2.5 departure Direction
In fig. 7, when the blocked state of the section entrance where the station a is located is in the departure request, and it is checked that the B-station section direction is the pickup direction, the blocked state of the station a is changed to the departure direction, the triangle block below "G" in the a-station section flag block is lit, and the section direction of the section entrance where the station a is currently located is the departure direction. And when the departure route signal is opened, allowing the train to enter the section.
3 section direction automatic recovery
3.1 train approach
In fig. 8, when the train at the a station enters the last zone managed by the a station (the zone managed by the a station includes the intra-station zone and the zone of the section, and in this case, the last zone of the section), the train approach information is transmitted to the adjacent station (the B station), and when the train completely enters the B station, the train approach warning is stopped. When the station B receives the train approaching information, the station B sends out a train approaching warning to prompt a station B attendant adjacent station (station A) that the train is about to enter the jurisdiction area of the station B, and the train approaching warning can stop after the attendant confirms. In the running process of the train in the section (the whole section from the section A to the section B, including the section administered by the section A and the section B), the blocking state of the departure station (the section A) maintains the departure direction, and the blocking state of the receiving station (the section B) maintains the receiving direction, and the blocking state is kept unchanged.
3.2 train arrival
In fig. 9, when a train enters a station B signal outside the zone (the first zone outside the station signal, for example, the occupied zone of the train close to the station signal in fig. 9) of the station B signal (each zone has the station signal governed by the station signal, for example, the signal below the zone identifier block in fig. 9 is the station signal of the station B zone), the station B should give a "train arrival" warning. When the train completely enters the inner zone of the station signal (the first zone of the route, i.e., the first zone in the route), the "train arrival" warning stops, and the "train arrival" warning can stop after confirmation by the attendant. After receiving the train arrival warning, the attendant shall handle the train receiving route according to the plan, and after the route handling, the train receiving signal is opened to wait for the train to enter the station.
3.3 Interval Direction recovery
In fig. 10, when the train occupies the approaching section and the first section of the pressure access route in sequence at the station B and gets out of the approaching section, and the section is in an idle state at the same time, the section direction at the section port where the station B is located is returned to a normal state; when the station A checks that the section direction to the adjacent station (station B) is 'normal' and the section is in an idle state, the section direction of the section port where the station A is located is returned to the normal state. At this point, the section direction of the section port of both stations returns to the normal state.
In the present embodiment, the change in the block direction between two adjacent stations will be described by taking the example of selecting the train to travel from the station a to the station B in the second section (automatic setting of the block direction 2) and the third section (recovery of the block direction 3.3), but it should be noted that the change in the block direction between the train to travel from the station B to the station a is also the same.
In another aspect, the present invention further provides a system for updating an interval block state, where the system includes:
the initialization module is used for acquiring the running state and the blocking state of the interlocking system, initializing the running state and the blocking state into the communication state between the initial-state interval port and the adjacent interval port and the interval direction of the adjacent interval port;
and the updating module is used for updating the blocking state of the initial section port when the running state of the interlocking system is power-on locking, the communication state is failure and the section direction of the adjacent section port is departure direction.
Wherein, the updating the blocking state of the initial state interval port comprises the following steps:
and initializing the blocking state of the interval port from an initial state to a normal state.
In addition, other functions and other manners implemented by a system for updating a block and block state of the present invention correspond to other functions and other manners implemented by a method for updating a block and block state of the present invention, and therefore, are not described herein again.
In summary, in the present invention, the block blocking update logic (i.e. the whole update method of the present invention) is incorporated into the interlock system, and adjacent two stations can interact the blocking control related information in an ethernet communication manner without using a relay (the interaction related information exists in each state switching process of the blocking control, and the interaction blocking control related information includes, for example, the block direction, the blocking state, whether there is a departure route and the state of the block signal device); the block control of the interval can be controlled by adopting a state machine, the jump among all block states of the interval port is described by means of a jump diagram of the state machine, the block state of each interval port is controlled, the efficiency of the block control of the interval can be improved, and the reliability and the safety of the block control of the interval are ensured; the establishment and the recovery of the interval direction are automatically completed by the interlocking system without the operation of a duty worker.
Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (8)
1. A method of updating a block status, the method comprising:
acquiring the communication state between an interval port and an adjacent interval port adjacent to the interval port, wherein the operation state and the blocking state of the interlocking system are initialized to initial states, and the interval direction of the adjacent interval port;
if the operation state of the interlocking system is power-on locking, the communication state is failure and the section direction of the adjacent section port is departure direction, updating the blocking state of the section port in the initial state, including: initializing the blocking state of the interval port from an initial state to a normal state; when the block state of the section entrance is a normal state, whether the station of the adjacent section entrance has the departure route or not is checked, and if the station of the adjacent section entrance has the departure route and the station of the section entrance has no departure route or not is checked, the block state of the section entrance is converted from the normal state into the acceptance of the receiving bus.
2. The method according to claim 1, wherein when the block state of the block entrance is in the vehicle-receiving agreement, the block entrance is continuously checked whether the block entrance meets the vehicle-receiving block condition, and when the block condition is not met, the block state of the block entrance is returned from the vehicle-receiving agreement to a normal state.
3. The method as claimed in claim 1, wherein the method of updating the block status of the block gate continuously checks whether there is a departure route at the station of the adjacent block gate when the block status of the block gate is in the vehicle-receiving agreement, and returns the block status of the block gate to a normal status from the vehicle-receiving agreement when it is checked that there is no departure route at the station of the adjacent block gate.
4. The method as claimed in claim 1, wherein when the block state of the block gate is in the receiving agreement, the method continuously checks whether the departure route exists in the station of the adjacent block gate and whether the block gate satisfies the receiving block condition, and when the departure route exists in the station of the adjacent block gate and the block gate satisfies the receiving block condition, the block state of the block gate is changed from the receiving agreement to the receiving direction.
5. The method for updating the block state of the block according to claim 4, wherein when the block state of the block port is in the pickup direction, if the trains occupy the approach section and the head section of the push-in route in sequence and go out and clear the approach section, and the block is in the idle state, the block state of the block port is returned to the normal state from the pickup direction.
6. The method for updating block status of section according to claim 4, wherein when the block status of section entrance is in the direction of receiving train, the block status of section entrance is returned from the direction of receiving train to normal status when the block status of section entrance is normal status and there is no train departure route.
7. The method according to any one of claims 1 to 6, wherein the step of updating the blocked state of the section comprises: the interval port after the initial state does not receive the effective information of the adjacent interval port within N seconds.
8. A system for updating an interval block state, the system comprising:
the initialization module is used for acquiring the running state and the blocking state of the interlocking system, initializing the running state and the blocking state into the communication state between the initial-state interval port and the adjacent interval port and the interval direction of the adjacent interval port;
the updating module is used for updating the blocking state of the initial section port when the running state of the interlocking system is power-on locking, the communication state is failure and the section direction of the adjacent section port is departure direction, and comprises the following steps: initializing the blocking state of the interval port from an initial state to a normal state; when the block state of the section entrance is a normal state, checking whether the station of the adjacent section entrance has a departure approach or not, and if the station of the adjacent section entrance has the departure approach and the station of the section entrance has no departure approach, converting the block state of the section entrance from the normal state into the vehicle receiving agreement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210336175.4A CN114475719B (en) | 2022-04-01 | 2022-04-01 | Method and system for updating block state of interval |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210336175.4A CN114475719B (en) | 2022-04-01 | 2022-04-01 | Method and system for updating block state of interval |
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| Publication Number | Publication Date |
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| CN114475719A CN114475719A (en) | 2022-05-13 |
| CN114475719B true CN114475719B (en) | 2022-09-09 |
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