Convergence method and device for train safety envelope

Abstract

The invention discloses a convergence method and device for a train safety envelope, and relates to the technical field of railway train driving. According to the scheme, for a train running on a railway line, an RBC can receive a train position report from a vehicle-mounted ATP according to a preset time period through train-ground wireless communication equipment and vehicle-mounted interaction, and after an interlocking device handles a route for the train and the train drives into the route, the RBC sends the train position report to the vehicle-mounted ATP, and the RBC receives the train position report from the vehicle-mounted ATP according to the preset time period. According to the data information in the train position report fed back at the moment, the last relevant transponder group of the train path can be determined, so that the train envelope is calculated according to the train position report and the rail section position determined by the last relevant transponder group, and the train path is determined. The train envelope on the railway line correspondingly occupies a certain number of track sections, so that the track section which is currently in an unlocking state is determined from the track sections according to section unlocking state information fed back by interlocking equipment, and the track section is used for converging the train envelope.

Description

Technical Field

[0001] The present application relates to the technical field of railway train travel, and in particular to a method and device for converging a train safety envelope. Background Art

[0002] The Radio Block Center (RBC) mainly sets appropriate train running intervals based on railway operating rules, line safety allocation strategies given by the interlocking system, and the actual operating conditions of the train groups managed by the RBC, and sends movement authorizations to the trains so that after receiving the movement authorizations, the trains adjust their operating status according to the authorization information to ensure that they travel within the safe interval.

[0003] Now, unlike the passenger dedicated lines which use fixed train formations, passenger trains are generally fixed. In the daily operation of freight railways, the length and duration of trains will change due to the frequent shunting operations of freight trains.

[0004] At present, when using the moving block control mode, RBC calculates the train's safety envelope based on the train length and the train position report provided by the on-board automatic train protection (Automatic Train Protection, ATP). This is equivalent to defining a length range with a high confidence level for the train. In particular, it is suitable for the needs of changing the length of freight trains. In order to ensure the safe interval between each freight train running on the line, this length range will be longer than the actual train length.

[0005] However, when arranging the routes through interlocking in the station, the above-mentioned length range designed for freight trains will result in occupying more sections, which is not conducive to the orderly and efficient entry of each freight train into the station, thus affecting the transportation efficiency. Summary of the invention

[0006] The present application provides a method and device for converging a train safety envelope, the main purpose of which is to effectively converge the virtual envelope of the preceding vehicle by utilizing the unlocking status information of the section fed back by the interlocking device when arranging the route in the station, thereby realizing that as long as the rear section of the preceding train is unlocked, a route passing through the unlocked section can be arranged for the following train, thereby ensuring that the driving permission of the following vehicle can be extended to the route as early as possible, realizing the efficient and orderly entry of each train into the station, thereby improving the transportation efficiency as a whole.

[0007] In order to achieve the above objectives, this application mainly provides the following technical solutions:

[0008] In a first aspect, the present application provides a method for converging a train safety envelope, the method comprising:

[0009] For a train traveling on a railway line, receiving a first train position report sent by an onboard ATP according to a preset time period;

[0010] After the interlocking device processes the route for the train and the train enters the route, a second train position report fed back by the onboard ATP is obtained, wherein the first train position report includes the second train position report;

[0011] Determining the last relevant balise group of the train's path based on the data information in the second train position report;

[0012] Calculating a train envelope corresponding to the train according to the second train position report and the track segment position determined based on the last relevant balise group, the train envelope corresponding to the occupied track segment group;

[0013] According to the section unlocking status information fed back by the interlocking device, the track section currently in the unlocking state is determined from the track section group for converging the train envelope.

[0014] A second aspect of the present application provides a train safety envelope convergence device, the device comprising:

[0015] A receiving unit, for receiving, for a train traveling on a railway line, a first train position report sent by an onboard ATP according to a preset time period;

[0016] an acquisition unit, configured to acquire a second train position report fed back by the on-board ATP after the interlocking device processes the route for the train and the train enters the route, wherein the first train position report includes the second train position report;

[0017] A determination unit, configured to determine the last relevant balise group of the train's path according to the data information in the second train position report;

[0018] a calculation unit, configured to calculate a train envelope corresponding to the train according to the second train position report and the track segment position determined based on the last relevant balise group, the train envelope corresponding to the occupied track segment group;

[0019] An execution unit is used to determine the track segment that is currently in the unlocked state from the track segment group according to the segment unlocking state information fed back by the interlocking device, so as to converge the train envelope.

[0020] A third aspect of the present application provides a computer-readable storage medium, on which a computer program is stored. When the computer program is executed by a processor, the above train safety envelope convergence method is implemented.

[0021] A fourth aspect of the present application provides an electronic device, comprising: a memory, a processor, and a computer program stored in the memory and executable on the processor, wherein when the computer program is executed by the processor, the above-mentioned train safety envelope convergence method is implemented.

[0022] By means of the above technical solution, the technical solution provided by this application has at least the following advantages:

[0023] The present application provides a method and device for converging a train safety envelope. For a train traveling on a railway line, the RBC interacts with the vehicle through the vehicle-to-ground wireless communication device and receives a train position report from the vehicle-mounted ATP according to a preset time period. After the interlocking device processes the route for the train and the train enters the route, based on the data information in the train position report fed back at this time, the present application can determine the last relevant transponder group of the train's path, and thus calculate the train envelope based on the train position report and the track section position determined by the last relevant transponder group. The train envelope will occupy a certain number of track sections on the railway line accordingly. Therefore, the present application determines the track section that is currently in an unlocked state from these track sections based on the section unlocking status information fed back by the interlocking device, for converging the train envelope.

[0024] Compared with the prior art, the technical problem that each freight train occupies too many track sections due to envelope information when arranging the route is solved, which affects the orderly and efficient entry of each train into the station as a whole. When the interlocking arrangement of the route is carried out in the station, the present application uses the section unlocking status information fed back by the interlocking equipment to effectively converge the virtual envelope of the leading vehicle, thereby realizing that as long as the rear section of the leading train is unlocked, the route passing through the unlocked section can be arranged for the following train, thereby ensuring that the driving permission of the following vehicle can be extended to the route as early as possible, realizing the orderly and efficient entry of each train into the station, thereby improving the transportation efficiency as a whole.

[0025] The above description is only an overview of the technical solution of the present application. In order to more clearly understand the technical means of the present application, it can be implemented in accordance with the contents of the specification. In order to make the above and other purposes, features and advantages of the present application more obvious and easy to understand, the specific implementation methods of the present application are listed below. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Various other advantages and benefits will become apparent to those of ordinary skill in the art by reading the detailed description of the preferred embodiments below. The accompanying drawings are only for the purpose of illustrating the preferred embodiments and are not to be considered as limiting the present application. Also, the same reference symbols are used throughout the accompanying drawings to represent the same components. In the accompanying drawings:

[0027] Figure 1 A flow chart of a train safety envelope convergence method provided in an embodiment of the present application;

[0028] Figure 2 A schematic diagram of a convergent train envelope exemplified in an embodiment of the present application;

[0029] Figure 3 A schematic diagram of another convergent train envelope exemplified in an embodiment of the present application;

[0030] Figure 4a , Figure 4b A demonstration diagram of data communication between the on-board ATP, the pre-written train safety envelope calculation tool, and the interlocking equipment exemplified in the embodiment of the present application;

[0031] Figure 5 A block diagram of a train safety envelope convergence device provided in an embodiment of the present application;

[0032] Figure 6 A block diagram of the composition of another train safety envelope convergence device provided in an embodiment of the present application. DETAILED DESCRIPTION

[0033] The exemplary embodiments of the present application will be described in more detail below with reference to the accompanying drawings. Although the exemplary embodiments of the present application are shown in the accompanying drawings, it should be understood that the present application can be implemented in various forms and should not be limited by the embodiments set forth herein. On the contrary, these embodiments are provided in order to enable a more thorough understanding of the present application and to fully convey the scope of the present application to those skilled in the art.

[0034] With the rapid development of mobile block control on high-speed railways, mobile block control has been gradually used in freight railway operations. Different from the traditional station-to-station block control, it no longer uses fixed block sections, but dynamically divides the block sections according to the real-time speed, position, braking capacity, line parameters and other conditions of the preceding and following trains, and uses more advanced positioning and communication technologies to achieve more accurate and efficient control of the speed and position of the train.

[0035] Now, in mobile block, the Radio Block Center (RBC) receives the train position report provided by the on-board Automatic Train Protection (ATP) in real time through the train-ground wireless communication equipment and the on-board interaction. The train position report can be used to calculate the train's safety envelope information, which includes: head envelope, actual train length and tail envelope data information; the head envelope refers to the safety distance in front of the train head, which is used to consider the influence of factors such as ranging error, protection margin and communication delay on the train position; the tail envelope refers to the safety distance behind the train tail, which is also used to consider the influence of the above factors on the train position. Therefore, the safety envelope information actually defines a length range with a high confidence for the train, and this length range is greater than the actual train length. By using a reasonably set train envelope, the driving interval between trains can be optimized, and the train operation efficiency can be guaranteed while taking into account driving safety.

[0036] However, the inventors have found that the number of track sections occupied by the train-based safety envelope information will be greater than the track sections occupied by the actual train length, especially for freight trains that frequently shunt, resulting in the safety envelope information calculated for freight trains occupying more track sections. In the scenario where freight trains are running on the main line, this is conducive to maintaining a safe interval for driving, but in the scenario where the interlocking route is arranged in the station, the safety envelope information designed for freight trains occupies too many track sections, and too many track sections will be locked for the preceding train, which is not a good way to send a driving permit to the following train as soon as possible to process the route for the following train as soon as possible.

[0037] To this end, the inventors have studied and found that under the premise of maintaining a safe driving interval, if the safety envelope information of the leading train can be converged, the leading train can unlock its rear section and allow the following train to occupy and drive as early as possible, which is beneficial for the following train's driving permit to be extended into the route as early as possible.

[0038] Based on the above considerations, the embodiment of the present disclosure provides a method for converging a train safety envelope, the execution subject is a pre-written train safety envelope calculation tool, which is applied to RBC, such as Figure 1 As shown, the present application embodiment provides the following specific steps:

[0039] 101. For a train traveling on a railway line, a first train position report sent by the onboard ATP is received according to a preset time period.

[0040] 102. After the interlocking device processes the route for the train and the train enters the route, a second train position report fed back by the onboard ATP is obtained, and the first train position report includes the second train position report.

[0041] In the embodiment of the present application, the RBC and the station interlocking equipment are connected via a secure data network, and are used to receive information such as the unlocking status of the track sections within the station, switches, routes, signal status, etc. sent by the interlocking.

[0042] In the railway field, station interlocking equipment refers to the equipment that controls the turnouts, routes and signals at the station and realizes the interlocking relationship between them. The interlocking relationship refers to the mutual relationship between signals, turnouts and routes that can only be operated or established according to certain procedures and meet certain conditions. This relationship ensures the safety of railway station operation and shunting operations.

[0043] RBC interacts with the on-board ATP through the train-to-ground wireless communication equipment, receives information such as train position reports from the on-board ATP, and then calculates the train envelope by combining the configured line logic section information, route information, transponder information and other data information.

[0044] It should be noted that for trains traveling on the railway line, the onboard ATP will locate the train in real time and send the generated train position report to the RBC. The embodiment of the present application can, but is not limited to, set the timing of locating the train in a preset time period. And because the embodiment of the present application converges the train envelope when the interlocking arrangement route is arranged in the station, in order to improve the accuracy of the convergence operation, the embodiment of the present application should adopt the train position report at the time related to the application scenario.

[0045] In order to distinguish and refer to them, the embodiments of the present application use the words "first" and "second" for identification. For example, the "first train position report" is a positioning report sent by the on-board ATP and received by the RBC in real time during the train's travel, and the "second train position report" comes from the "first train position report". That is, from these train position reports that are continuously received in real time (ie, the "first train position report"), the train position report (ie, the "second train position report") required for the application scenario of "interlocking arrangement within the station" is obtained.

[0046] 103. Determine the last relevant balise group along the train's route based on the data information in the second train position report.

[0047] Balises are usually installed beside the tracks along the railway to meet the needs of high-speed trains for real-time communication with ground equipment during travel. These balises can transmit fixed and real-time variable information such as basic line parameters, line speed, special positioning, train operation target data, temporary speed limits, etc. to the train control system.

[0048] For example, along the railway, the locations of balises are usually as follows: passive balises are often installed at the entrance of block sections, and are used to transmit key information such as the length of the block section and line speed to the train control on-board equipment; balises (including passive and active) are also installed at the entrance and exit of the station to provide trains with real-time information such as train approach parameters and temporary speed limits.

[0049] In addition to along the railway line, some transponders are also installed inside stations, especially in signal towers or control rooms. These transponders can transmit information such as the train's location and status in real time to ensure smooth operations within the station.

[0050] In the embodiment of the present application, the train position report contains at least key information such as the current position, speed, and direction of the train. RBC determines the precise position and running status of the train by parsing the train position report. In the train position report, the last group of balises that the train passed and read correctly (which can be called the "Last Related Balise Group" (LRBG)) can be determined based on the LRBG number and position information. The track section where the balise is located can be determined, so LRBG is also usually used as a position reference point, and once the section where the LRBG is located is determined, RBC can query the detailed information of the section, including track layout, signal equipment, speed limit and other information.

[0051] 104. According to the second train position report and based on the track segment position determined by the last relevant transponder group, a train envelope corresponding to the train is calculated, and the train envelope corresponds to the occupied track segment group.

[0052] In the embodiment of the present application, the train envelope is mainly calculated based on the train position report and the track section position determined by the last relevant balise group. The obtained train envelope covers a certain number of track sections on the railway line. In the calculation process, the embodiment of the present application comprehensively considers the following four parts:

[0053] (1) Train length consideration: The calculation of the train envelope needs to consider the actual length of the train, which usually includes the total length of the head, middle car and tail of the train.

[0054] (2) Dynamic envelope calculation: After determining the train position and the section where the LRBG is located, it is necessary to calculate the dynamic envelope in combination with the dynamic characteristics of the train (such as vibration, lifting, swinging, etc.). This usually involves complex mathematical models and algorithms to simulate the contour changes of the train under different operating conditions.

[0055] (3) Adding safety margin: In order to ensure driving safety, a certain safety margin is usually added on the basis of the calculated dynamic envelope. This safety margin takes into account various factors such as train positioning error, balise installation accuracy, and ground equipment status.

[0056] (4) Envelope verification: The calculated train envelope needs to be compared with the limits of the railway line to ensure that the train will not collide with the surrounding environment (such as tunnel walls, bridges, contact networks, etc.) during driving. If a potential collision risk is found, braking or other safety measures need to be taken immediately.

[0057] 105. According to the unlocking status information of the section fed back by the interlocking device, the track section currently in the unlocking state is determined from the track section group for converging the train envelope.

[0058] The train's safety envelope information includes: head envelope, actual train length and tail envelope data information; the head envelope refers to the safety distance in front of the train head, which is used to consider the impact of factors such as ranging error, protection margin and communication delay on the train position; the tail envelope refers to the safety distance behind the train tail, which is also used to consider the impact of the above factors on the train position. Therefore, the use of safety envelope information actually defines a length range with a high confidence for the train, and this length range is greater than the actual train length.

[0059] It can be seen that there is a track section not occupied by the actual train length in the track section corresponding to the train envelope calculated in 104. Based on this, the embodiment of the present application can make a judgment in combination with the section unlocking state information fed back by the interlocking device.

[0060] In the field of railways, station interlocking equipment refers to equipment that controls the turnouts, routes and signals of a station and realizes the interlocking relationship between them. This interlocking relationship is established by technical means to ensure the safety of train operation and shunting operations at railway stations. Therefore, according to the unlocking status information of the sections fed back by the interlocking equipment, the embodiment of the present application can see which one or more sections in the track section group occupied by the train envelope have been unlocked, thereby excluding these unlocked sections and converging the rear end of the train envelope to the exit of the unlocked section.

[0061] As described above, the method for converging the train safety envelope provided in the embodiment of the present application solves the technical problem that each freight train occupies too many track sections due to envelope information when arranging the route, which affects the orderly and efficient entry of each train into the station as a whole. When the route is arranged by interlocking in the station, the present application uses the section unlocking status information fed back by the interlocking equipment to effectively converge the virtual envelope of the leading vehicle, thereby realizing that as long as the rear section of the leading train is unlocked, the route passing through the unlocked section can be arranged for the rear train, thereby ensuring that the driving permit of the rear vehicle can be extended to the route as soon as possible, realizing the orderly and efficient entry of each train into the station, thereby improving the transportation efficiency as a whole.

[0062] In the embodiment of the present application, the train envelope includes the head envelope, the actual train length and the tail envelope. In order to explain in more detail the execution process of converging the train envelope in step 104, the embodiment of the present application provides two parallel execution schemes according to whether the end position of the tail envelope of the train has entered the station. The specific explanations are as follows:

[0063] Parallel execution plan 1: After the train passes the approach signal, if the end position of the train tail envelope has entered the station, it indicates that the train is getting closer and closer to the platform track, and the train speed will be greatly reduced. At this time, if the train envelope is converged to reduce the running interval between the front and rear cars, it will not affect the driving safety. Based on this, the embodiment of the present application adopts the following A1-A4 to traverse the occupied track section corresponding to the train envelope, so as to use the unlocked track section to converge the train envelope.

[0064] A1. Starting from the end position of the train tail envelope, search for the target track segment in the track segment group one by one in order;

[0065] A2. After searching for the first target track segment, determine whether the target track segment is in an unlocked state according to the segment unlocking state information fed back by the interlocking device;

[0066] A3. If yes, iteratively perform the operation of searching for the next target track segment and the operation of determining whether the next target track segment is in an unlocked state, until it is determined that the searched target track segment is in an unlocked state;

[0067] A4. Converging the train envelope according to the accumulated at least one target track section in the unlocked state.

[0068] For A1-A3, the embodiment of the present application starts from the end position of the tail envelope as the traversal search direction, traverses the target track segments one by one in order from the track segment group corresponding to the train envelope, and when traversing to a target track segment, a judgment is performed accordingly to determine whether the target track segment is in an unlocked state, and the traversal and judgment operations are iteratively performed until it is determined that the searched target track segment is in an unlocked state.

[0069] For step A4, the embodiment of the present application can be further refined to include: determining the last target track segment confirmed to be in the unlocked state in chronological order among the at least one target track segment accumulated to be in the unlocked state; for the last target track segment confirmed to be in the unlocked state, determining the exit position of the target track segment according to the travel direction of the train; and converging the train envelope according to the exit position of the target track segment.

[0070] For example, Figure 2 The schematic diagram of the convergent train envelope is shown in the figure. The train envelope calculated according to the actual train length corresponds to the train length L11. L11 occupies sections 1 to 3, and the end position of the train tail envelope has entered the station. It should be noted that after the approach is processed, the track sections from the approach to the platform track are all locked for the train to enter the station and stop on the platform track. At this time, assuming that according to the unlocking status information of the section fed back by the interlocking device, it can be seen that section 1 is already in the unlocked state, then according to the direction of the train, it can be judged that the exit of section 1 is at the critical point with section 2, then according to the exit position, the convergent train envelope is L12, and L12 represents the train length at this time.

[0071] above Figure 2 For the sake of exemplary examples of the embodiments of the present application, it is assumed that the train envelope corresponds to occupying a larger number of track segments. If in the direction of train travel, the next adjacent segment 2 of segment 1 is traversed, and it is judged by the segment unlocking status information that it is also in an unlocked state, then the next adjacent segment 3 of segment 2 can be traversed again until a certain segment is traversed in sequence and it is judged that the segment is not in an unlocked state. Then, according to the last target track segment confirmed to be in an unlocked state, the train envelope will be converged according to the exit position of the target track segment.

[0072] Parallel solution 2: After the train passes the approach signal, if the end position of the tail envelope has not entered the station, in this scenario, it should be considered that the unlocking section may have poor shunts. Poor track circuit shunts refer to the track circuit track surface being affected by poor conductive materials (such as rust, oil, dust, etc.), causing the track relay controlling the track section to fail to fall normally when the train or train occupies the track, resulting in signal interlock failure. For example, even if the train has occupied the track, the console may not display occupancy or may not reliably display occupancy.

[0073] Accordingly, for the unlocking status information of the section fed back by the interlocking device, taking into account the adverse effects brought about by the assumption that the unlocked section has poor branching, the embodiment of the present application does not recommend directly converging the envelope based on the section in the unlocked state, but further judges the number of sections in the unlocked state. If there are at least two, the convergent train envelope operation is executed, thereby ensuring that even in the event of poor branching, there must be an unlocked section that is consistent with the actual situation among the at least two sections that are already in the unlocked state judged according to the interlocking status information. Therefore, executing the convergent train envelope will not affect the safe distance maintained with the following vehicle. The specific B1-B4 execution process is as follows.

[0074] B1. Starting from the end position of the tail envelope, searching for a preset number of target track segments in the track segment group, where the preset number is at least two;

[0075] B2. According to the unlocking status information of the section fed back by the interlocking device, it is determined whether the target track sections with a preset number of sections in the front sequence are in the unlocking status at the same time;

[0076] B3. If yes, iteratively perform the operation of searching for a preset number of next target track segments and determining whether the next target track segment is in an unlocked state, until it is determined that the searched target track segment is in an unlocked state;

[0077] B4. Converging the train envelope according to the accumulated at least one target track section in the unlocked state.

[0078] In the embodiment of the present application, the preset number is set according to actual needs, but it is guaranteed to be at least two. Then, in the direction of train travel, starting from the end position of the tail envelope, at least two sections ranked first and second are searched in the track section group. If it is judged that the two sections are in the unlocked state according to the section unlocking status information fed back by the interlocking device, the convergence operation of the train envelope is performed.

[0079] For example, Figure 3Another example of a convergent train envelope is shown in the figure. The train envelope calculated based on the actual train length corresponds to the train length L21, which occupies sections 1 to 4, and the end position of the train tail envelope does not enter the station. Figure 2 In contrast, at this time, in order to ensure driving safety, the length L21 represented by the train envelope is greater than Figure 2 In L11.

[0080] Assuming the preset number is set to two, then Figure 3 In the process, the convergence operation of the train envelope can only be performed if it is determined that both section 1 and section 2 are in the unlocked state based on the section unlocking status information fed back by the interlocking device.

[0081] And as B3-B4, Figure 3 This is only an exemplary example of the embodiment of the present application. If at this time, the train envelope corresponds to a larger number of occupied sections, in the direction of train travel, after traversing from the envelope at the rear of the train to the first and second sections and judging that both are in the unlocked state, the iterative execution of traversing the next section and judging whether it is in the unlocked state can be continued, until a section is traversed in sequence and it is judged that the section is not in the unlocked state, then according to the last target track section confirmed to be in the unlocked state, the train envelope will be converged according to the exit position of the target track section.

[0082] For Figure 1 The convergence method of the train safety envelope shown in the embodiment of the present application also exemplifies the demonstration of data communication between the on-board ATP, the pre-written train safety envelope calculation tool, and the interlocking equipment. Figure 4a and Figure 4b .

[0083] As described above, when arranging the route by interlocking in the station, if the rear section of the front train is unlocked by converging the train envelope of the front train, a route passing through the unlocked section can be arranged for the rear train, that is, a driving permit is sent to the rear train, thereby ensuring that the driving permit of the rear train can be extended to the route as early as possible, realizing the efficient and orderly entry of each train into the station, thereby improving the transportation efficiency as a whole.

[0084] As the above Figure 1 The embodiment of the present application provides a train safety envelope convergence device as a virtual device for the execution subject of the aforementioned method. The device embodiment corresponds to the aforementioned method embodiment. For ease of reading, the device embodiment will not repeat the details of the aforementioned method embodiment one by one, but it should be clear that the device in this embodiment is suitable for ensuring that the driving permission of the following vehicle can be extended to the route as soon as possible when the route is arranged in the station interlocking, such as Figure 5 , the device comprises:

[0085] The receiving unit 21 is used for receiving the first train position report sent by the onboard ATP according to a preset time period for a train traveling on the railway line;

[0086] The acquisition unit 22 is used to acquire the second train position report fed back by the on-board ATP after the interlocking device processes the route for the train and the train enters the route, wherein the first train position report includes the second train position report;

[0087] A determination unit 23, configured to determine the last relevant balise group of the train path according to the data information in the second train position report;

[0088] a calculation unit 24, configured to calculate a train envelope corresponding to the train according to the second train position report and the track segment position determined based on the last relevant balise group, the train envelope corresponding to the occupied track segment group;

[0089] The execution unit 25 is used to determine the track segment that is currently in the unlocked state from the track segment group according to the segment unlocking state information fed back by the interlocking device, so as to converge the train envelope.

[0090] Further, such as Figure 6 As shown, the train envelope includes a head envelope, an actual train length and a tail envelope, and the execution unit 25 includes:

[0091] A determination module 251, used to determine the tail envelope in the train envelope;

[0092] A first judging module 252 is used to judge whether the end position of the tail envelope has entered the station;

[0093] A traversal module 253 is used for, when it is determined that the end position of the tail envelope has entered the station, starting from the end position of the tail envelope, traversing and searching for target track segments in the track segment group one by one in order;

[0094] A second judgment module 254 is used to judge whether the target track segment is in an unlocked state according to the segment unlocking state information fed back by the interlocking device after searching for the first target track segment;

[0095] An execution module 255 is configured to iteratively perform an operation of searching for a next target track segment and determining whether the next target track segment is in an unlocked state if the target track segment is determined to be in an unlocked state, until it is determined that the searched target track segment is in an unlocked state;

[0096] The convergence module 256 is used to converge the train envelope according to the accumulated at least one target track segment in the unlocked state.

[0097] Further, such as Figure 6 As shown, the convergence module 256 is specifically used for:

[0098] Determine, in the accumulated at least one target orbit segment in the unlocked state, in chronological order, the last target orbit segment confirmed to be in the unlocked state;

[0099] For the last target track section confirmed to be in an unlocked state, determining an exit position of the target track section according to the traveling direction of the train;

[0100] The train envelope is converged according to the exit position of the target track segment.

[0101] Further, such as Figure 6 As shown, if the end position of the tail envelope does not enter the station, the execution unit 25 further includes:

[0102] The traversal module 253 is further configured to search for a preset number of target track segments in the track segment group starting from the end position of the tail envelope, wherein the preset number is at least two;

[0103] The second judgment module 254 is further used to judge whether the target track segments with a preset number of segments in the front order are in the unlocked state at the same time according to the segment unlocking state information fed back by the interlocking device;

[0104] The execution module 255 is further configured to iteratively perform the operation of searching for the preset number of next target track segments and determining whether the next target track segment is in the unlocked state, when it is determined that the target track segment is in the unlocked state, until it is determined that the searched target track segment is in the unlocked state;

[0105] The convergence module 256 is further used to converge the train envelope according to the accumulated at least one target track segment in the unlocked state.

[0106] In summary, an embodiment of the present application provides a train safety envelope convergence device including a processor and a memory. The above-mentioned receiving unit, acquisition unit, determination unit, calculation unit and execution unit are all stored in the memory as program units, and the processor executes the above-mentioned program units stored in the memory to realize corresponding functions.

[0107] The processor includes a kernel, which calls the corresponding program unit from the memory. One or more kernels can be set. By adjusting the kernel parameters, when the interlocking route is arranged in the station, the section unlocking status information fed back by the interlocking device can be used to effectively converge the virtual envelope of the front train, so that as long as the rear section of the front train is unlocked, the route through the unlocked section can be arranged for the rear train, thereby ensuring that the driving permit of the rear train can be extended to the route as early as possible, and each train can enter the station efficiently in sequence, thereby improving the transportation efficiency as a whole.

[0108] An embodiment of the present application provides a computer-readable storage medium, on which a computer program is stored. When the computer program is executed by a processor, the above train safety envelope convergence method is implemented.

[0109] An embodiment of the present application provides an electronic device, including: a memory, a processor, and a computer program stored in the memory and executable on the processor. When the computer program is executed by the processor, the above train safety envelope convergence method is implemented.

[0110] The embodiment of the present application also provides a computer program product, which, when executed on a data processing device, is suitable for executing a program of initializing the convergence method steps of the on-train safety envelope.

[0111] The present application is described with reference to the flowcharts and / or block diagrams of the methods, devices (systems), and computer program products according to the embodiments of the present application. It should be understood that each process and / or box in the flowchart and / or block diagram, as well as the combination of the processes and / or boxes in the flowchart and / or block diagram, can be implemented by computer program instructions. These computer program instructions can be provided to a processor of a general-purpose computer, a special-purpose computer, an embedded processor, or other programmable data processing device to generate a machine, so that the instructions executed by the processor of the computer or other programmable data processing device generate instructions for implementing the processes in the flowchart and / or block diagram. Figure 1 A process or multiple processes and / or boxes Figure 1 A device that provides the functions specified in a block or multiple blocks.

[0112] In a typical configuration, the device includes one or more processors (CPU), memory and bus. The device may also include input / output interface, network interface and the like.

[0113] The memory may include non-permanent memory in a computer-readable medium, random access memory (RAM) and / or non-volatile memory in the form of read-only memory (ROM) or flash RAM, and the memory includes at least one memory chip. The memory is an example of a computer-readable medium.

[0114] Computer readable media include permanent and non-permanent, removable and non-removable media that can be implemented by any method or technology to store information. Information can be computer readable instructions, data structures, program modules or other data. Examples of computer storage media include, but are not limited to, phase change memory (PRAM), static random access memory (SRAM), dynamic random access memory (DRAM), other types of random access memory (RAM), read-only memory (ROM), electrically erasable programmable read-only memory (EEPROM), flash memory or other memory technology, compact disk read-only memory (CD-ROM), digital versatile disk (DVD) or other optical storage, magnetic cassettes, magnetic tape magnetic disk storage or other magnetic storage devices or any other non-transmission media that can be used to store information that can be accessed by a computing device. As defined herein, computer readable media does not include temporary computer readable media (transitory media), such as modulated data signals and carrier waves.

[0115] It should also be noted that the terms "include", "comprises" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, commodity or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, commodity or device. In the absence of more restrictions, the elements defined by the sentence "comprises a ..." do not exclude the existence of other identical elements in the process, method, commodity or device including the elements.

[0116] Those skilled in the art will appreciate that the embodiments of the present application may be provided as methods, systems or computer program products. Therefore, the present application may adopt the form of a complete hardware embodiment, a complete software embodiment or an embodiment in combination with software and hardware. Moreover, the present application may adopt the form of a computer program product implemented on one or more computer-usable storage media (including but not limited to disk storage, CD-ROM, optical storage, etc.) that contain computer-usable program code.

[0117] The above are only embodiments of the present application and are not intended to limit the present application. For those skilled in the art, the present application may have various changes and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included within the scope of the claims of the present application.

Claims

1. A method for converging a train safety envelope, characterized in that: The method comprises: For a train traveling on a railway line, receiving a first train position report sent by an onboard ATP according to a preset time period; After the interlocking device processes the route for the train and the train enters the route, a second train position report fed back by the onboard ATP is obtained, wherein the first train position report includes the second train position report; Determining the last relevant balise group of the train's path based on the data information in the second train position report; Calculating a train envelope corresponding to the train according to the second train position report and the track segment position determined based on the last relevant balise group, the train envelope corresponding to the occupied track segment group; According to the section unlocking status information fed back by the interlocking device, the track section currently in the unlocking state is determined from the track section group for converging the train envelope.

2. The method according to claim 1, characterized in that The train envelope includes a head envelope, an actual train length and a tail envelope. The method of determining a track segment currently in an unlocked state from the track segment group according to the segment unlocking state information fed back by the interlocking device, for converging the train envelope, includes: determining a tail envelope from the train envelope; Determining whether the end position of the tail envelope has entered the station; If yes, starting from the end position of the tail envelope, traverse the track segment group one by one in order to search for the target track segment; After searching for the first target track segment, judging whether the target track segment is in an unlocked state according to the segment unlocking state information fed back by the interlocking device; If yes, iteratively performing the operation of searching for the next target track segment and the operation of determining whether the next target track segment is in an unlocked state, until it is determined that the searched target track segment is in an unlocked state; The train envelope is converged according to the accumulated at least one target track segment in the unlocked state.

3. The method according to claim 2, characterized in that The step of converging the train envelope according to the accumulated at least one target track segment in an unlocked state comprises: Determine, in the accumulated at least one target orbit segment in the unlocked state, in chronological order, the last target orbit segment confirmed to be in the unlocked state; For the last target track section confirmed to be in an unlocked state, determining an exit position of the target track section according to the traveling direction of the train; The train envelope is converged according to the exit position of the target track segment.

4. The method according to claim 2, characterized in that: If the end position of the tail envelope does not enter the station, the method further includes: Starting from the end position of the tail envelope, searching for a preset number of target track segments in the track segment group, the preset number being at least two; According to the unlocking status information of the section fed back by the interlocking device, it is determined whether the target track sections with a preset number of sections in the front sequence are in the unlocking status at the same time; If yes, iteratively performing the operation of searching for the preset number of next target track segments and determining whether the next target track segment is in an unlocked state, until it is determined that the searched target track segment is in an unlocked state; The train envelope is converged according to the accumulated at least one target track segment in the unlocked state.

5. A train safety envelope convergence device, characterized in that: The device comprises: A receiving unit, for receiving, for a train traveling on a railway line, a first train position report sent by an onboard ATP according to a preset time period; an acquisition unit, configured to acquire a second train position report fed back by the on-board ATP after the interlocking device processes the route for the train and the train enters the route, wherein the first train position report includes the second train position report; A determination unit, configured to determine the last relevant balise group of the train's path according to the data information in the second train position report; a calculation unit, configured to calculate a train envelope corresponding to the train according to the second train position report and the track segment position determined based on the last relevant balise group, the train envelope corresponding to the occupied track segment group; The execution unit is used to determine the track segment that is currently in the unlocked state from the track segment group according to the segment unlocking state information fed back by the interlocking device, so as to converge the train envelope.

6. The device according to claim 5, characterized in that The train envelope includes a head envelope, an actual train length and a tail envelope, and the execution unit includes: A determination module, used for determining a tail envelope in the train envelope; A first judgment module is used to judge whether the end position of the tail envelope has entered the station; A traversal module, configured to, when it is determined that the end position of the tail envelope has entered the station, start from the end position of the tail envelope and sequentially traverse and search for target track segments in the track segment group one by one; A second judgment module is used to judge whether the target track segment is in an unlocked state according to the segment unlocking state information fed back by the interlocking device after searching for the first target track segment; an execution module, configured to iteratively perform an operation of searching for a next target track segment and determining whether the next target track segment is in an unlocked state if the target track segment is determined to be in an unlocked state, until it is determined that the searched target track segment is in an unlocked state; A convergence module is used to converge the train envelope according to at least one target track segment that is accumulated and is in an unlocked state.

7. The device according to claim 6, characterized in that The convergence module is specifically used for: Determine, in the accumulated at least one target orbit segment in the unlocked state, in chronological order, the last target orbit segment confirmed to be in the unlocked state; For the last target track section confirmed to be in an unlocked state, determining an exit position of the target track section according to the traveling direction of the train; The train envelope is converged according to the exit position of the target track segment.

8. The device according to claim 6, characterized in that If the end position of the tail envelope does not enter the station, the execution unit further includes: The traversal module is further configured to search for a preset number of target track segments in the track segment group, starting from the end position of the tail envelope, where the preset number is at least two; The second judgment module is further used to judge whether the target track segments with a preset number of segments in the front sequence are in the unlocked state at the same time according to the segment unlocking state information fed back by the interlocking device; The execution module is further configured to iteratively perform the operation of searching for the preset number of next target track segments and determining whether the next target track segment is in the unlocked state when it is determined that the target track segment is in the unlocked state, until it is determined that the searched target track segment is in the unlocked state; The convergence module is further used to converge the train envelope according to at least one target track segment that is accumulated and is in an unlocked state.

9. A computer-readable storage medium, characterized in that: The computer-readable storage medium stores a computer program, and when the computer program is executed by a processor, the method for converging the train safety envelope as described in any one of claims 1 to 4 is implemented.

10. An electronic device, characterized in that: include: A memory, a processor, and a computer program stored in the memory and executable on the processor, wherein when the computer program is executed by the processor, the method for converging the train safety envelope as claimed in any one of claims 1 to 4 is implemented.

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