CN112793621A - Computer interlocking turnout multi-machine control system and method - Google Patents
Computer interlocking turnout multi-machine control system and method Download PDFInfo
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- CN112793621A CN112793621A CN202110227626.6A CN202110227626A CN112793621A CN 112793621 A CN112793621 A CN 112793621A CN 202110227626 A CN202110227626 A CN 202110227626A CN 112793621 A CN112793621 A CN 112793621A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L5/00—Local operating mechanisms for points or track-mounted scotch-blocks; Visible or audible signals; Local operating mechanisms for visible or audible signals
- B61L5/06—Electric devices for operating points or scotch-blocks, e.g. using electromotive driving means
Abstract
The invention provides a computer interlocking turnout multi-machine control system which comprises an interlocking logic part, one or more turnout modules and a plurality of switches. The interlocking logic part is used for sending a control instruction to the turnout module; and the turnout module is used for directly controlling one or more switch machines according to the control command sent by the interlocking logic part. The control system effectively ensures the accuracy of the rotation time sequences of a plurality of point switches of the same group of turnouts when the multi-machine traction function of the turnout is ensured, and further ensures the safety and the usability of the computer interlocking system for controlling the turnouts.
Description
Technical Field
The invention belongs to the technical field of rail control, and particularly relates to a computer interlocking turnout multi-machine control system and method.
Background
With the recent high-speed comprehensive development of the railway passenger dedicated line in China, the large-size turnout is put into use comprehensively, and the large-size turnout is controlled by a plurality of switches to complete rotation.
At present, the common turnout multi-machine traction scheme (a plurality of turnouts control one turnout) on a railway is mainly divided into two schemes, the first scheme is that a relay circuit controls the rotation of a plurality of turnouts to complete the operation of the turnout, an interlocking host sends a command to a control circuit, and the control circuit completes the rotation control of the plurality of turnouts according to the command. The single-action multi-machine turnout is taken as an example, the single-action multi-machine turnout is combined on the basis of a single-machine turnout control circuit, and besides one set of single-machine turnout control circuit is arranged at each traction point, circuits such as sequential starting, fault protection, serial representation and the like are added. The multi-locomotive traction turnout is divided into five locomotives (29309) and nine locomotives (traction, nine locomotives) according to the size of a turnout withdrawal cross, and the working principles are basically the same. The defects of the scheme are that a plurality of control circuits are added, a plurality of relays are introduced, and once the relays have faults, no action or misoperation of the turnout can be caused. The second scheme is that the switch machine units are adopted to control a plurality of switch machines of a group of switches to complete multi-machine traction, the computer is interlocked to output switch conversion instructions to the switch machine units which control the group of switches, and one switch machine unit controls one switch machine. The advantage of the scheme is that a large number of relay circuits are avoided, the dependence of the system on the relays is reduced, and the disadvantage is that a plurality of point switch modules control a plurality of point switches of the same group of turnouts, so that time delay exists in communication, and the risk of communication time sequence errors can also be generated.
Disclosure of Invention
Aiming at the problems, the invention provides a computer interlocking turnout multi-machine control system, which ensures the accuracy of the rotation time sequence of a plurality of turnout machines of the same turnout while ensuring the traction function of the turnout multi-machine, thereby ensuring the safety and the availability of the computer interlocking system for controlling the turnout.
A computer interlocking turnout multi-machine control system comprises an interlocking logic part, one or more turnout modules and a plurality of switches;
the interlocking logic part is used for sending a control instruction to the turnout module;
and the turnout module is used for directly controlling one or more switch machines according to the control command sent by the interlocking logic part.
Further, the interlocking logic part is used for determining whether to send a turnout rotation stopping command to the turnout module according to the accessory information of the position states and command execution conditions of a plurality of switch machines fed back by the turnout module.
Further, the interlock logic unit is configured to send a switch turning stop command when the attachment information indicates that the switch position is in the abnormal position.
Further, the control command comprises a turnout operation command and a turnout locking protection command.
Further, the plurality of switch machines includes one or more switch point machines and one or more switch point machines.
Further, the turnout module is used for controlling the rotation of one or more switches according to the control instruction and the time sequence;
the turnout module is used for checking the action consistency of a plurality of switch machines which start to rotate;
the multiple groups of turnout modules are used for calculating the current position of the turnout according to the positions of one or more switch machines;
when all the point switches finish rotating and the points are correctly represented, the point module is used for feeding back the point representation state to the interlocking logic part;
the turnout module is used for feeding back the inconsistent information of the operation of the multiple switch machines to the interlocking logic part according to the inconsistent operation of the multiple switch machines;
and the turnout module is used for controlling one or more points switches to stop rotating according to the turnout cut-off command sent by the interlocking logic part.
Further, the switch module is configured to control rotation of each switch machine, and each switch machine rotates in sequence, and the method for calculating the delay rotation time of each switch machine is as follows:
the interlock logic sets a startup sequence number n of the one or more switch points to 1 to n;
the interlock logic sets a startup sequence number n of the one or more switch points to 1 to n;
the delay rotation time t(s) K × (n-1), K being the difference in the starting time of the two switches, K being greater than the duration of the peak current at the start of one or more switches.
A computer interlocking turnout multi-machine control method,
the interlocking logic part sends a control instruction to the turnout module;
and controlling one or more switch machines by the turnout module according to the control command sent by the interlocking logic part.
Further, the interlock logic unit determines whether to send a switch rotation stopping command to the switch module according to the accessory information of the position states and command execution conditions of the plurality of switch machines fed back by the switch module.
Further, the interlock logic unit transmits a switch turning stop command when the attachment information indicates that the switch position is in the abnormal position.
Further, according to the control instruction and time sequence, the turnout module controls the rotation of one or more switch machines;
when one or more switch machines start rotating, the turnout module checks the consistency of the operation of a plurality of switch machines;
according to the positions of one or more switch machines, the turnout module calculates the current position of the turnout;
according to the fact that all the point switches finish rotating and the points are correctly represented, the point module feeds back the point representation state to the interlocking logic part;
according to the inconsistent operation of the multiple switch machines, the turnout module feeds back inconsistent operation information of the multiple switch machines to the interlocking logic part;
and controlling one or more switch machines to stop rotating by the turnout module according to a turnout cut-off command sent by the interlocking logic part.
Further, the switch module controls the rotation of one or more switches, the one or more switches rotate in sequence, and the delay rotation time calculation method of the one or more switches is as follows:
the interlock logic sets a startup sequence number n of the one or more switch points to 1 to n;
the interlock logic sets a startup sequence number n of the one or more switch points to 1 to n;
the delay rotation time t(s) K × (n-1), K being the difference in the starting time of the two switches, K being greater than the duration of the peak current at the start of one or more switches.
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 description of the embodiments or 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 those skilled in the art can also obtain other drawings according to the drawings without creative efforts.
FIG. 1 is a schematic diagram of an all electronic computer interlock system according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a computer-interlocked turnout multi-machine control system according to an embodiment of the invention;
fig. 3 is a schematic diagram of a working flow of a computer-interlocked turnout multi-machine control system 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.
The scheme adopts the interlocking of a full-electronic computer to realize the multi-machine control of the turnout. The full electronic interlocking system cancels a relay interface part in the traditional computer interlocking and adopts an electronic execution unit to directly control a signal device. The full-electronic interlocking has small volume and convenient maintenance, simplifies the workload of system construction and wiring, and reduces errors caused by wiring introduction in the construction and operation processes.
As shown in fig. 1, the embodiment of the present invention relates to a DS6-60 all-electronic interlocking system, the DS6-60 all-electronic interlocking system uses an interlocking logic portion of an existing mature DS6-60 system as a safety operation logic platform, a safety operation layer is the interlocking logic portion, an execution representation layer includes a semaphore module (a dc semaphore module and an ac semaphore module), a switch module (a dc switch module and an ac switch module), and a general module (a general input module and a general output module), and the execution representation layer completes direct control of a signaling device; the equipment layer comprises signal machines, point switches and relays, all-electronic interlocking point modules of the system directly control the point switches, each all-electronic interlocking point module can control 8 point switches, the point switches receive control instructions sent by the interlocking logic part through a data network-A network and a data network-B network, the point switches directly control the position states of the point switches, the point switches feed back the position states of the point switches to the interlocking logic part, and the position states of the point switches comprise positioning or inversion; the interlocking logic part is communicated with the turnout module through the Ethernet, the Ethernet comprises a data network-A network and a data network-B network, the turnout module can control 8 switch machines, one turnout module controls 1 switch machine, the interlocking logic part sends a control command to the turnout module through a cable, the correctness of the rotation sequence of the multi-machine traction switch machine is ensured, the man-machine conversation layer comprises a maintenance machine terminal and a control display machine terminal, the interlocking logic part sends the display states of a plurality of switch machines to the control display machine terminal through the control display network-A network and the control display network-B network, the direct current annunciator module, the alternating current annunciator module, the direct current turnout module, the alternating current turnout module, the universal input module and the universal output module send alarm information to the maintenance machine terminal through a maintenance network-A network and a maintenance network-B network, the power supply subsystem is connected with the power supply screen through a cable, the power subsystem provides power to the power panel. The protection scope of the invention is not limited to five-machine traction, and one-machine traction, two-machine traction, three-machine traction, four-machine traction, six-machine traction, seven-machine traction, eight-machine traction and the above are also in the protection scope of the invention.
As shown in fig. 2, the embodiment of the present invention relates to a computer-interlocked turnout multi-machine control system, which includes an interlocking logic part, one or more turnout modules, and a plurality of switches, and is exemplified by a group of turnout modules including five turnouts and five turnouts respectively corresponding to five switches, but the embodiment of the present invention is not limited to a group of turnout modules including five turnouts, and a plurality of turnout modules are equally applicable to the present invention, and each group of turnout modules may include a plurality of turnouts. The turnout module in the embodiment of the invention comprises five turnout modules which correspondingly control five switches, and the turnout module exemplarily comprises three switch point switches and two switch point switches.
The interlocking logic part sends a control instruction to the turnout module through the Ethernet, wherein the control instruction comprises a turnout operation command and a turnout locking protection command; and the five-machine traction turnout module receives a control command sent by the interlocking logic part and directly controls the rotation of five points, the delay rotation time T(s) is K (n-1), K is the starting time difference of two points, K is greater than the peak current duration when one or more points are started, and n is the sequence number of starting the rotation of the points. The first turnout module directly controls the rotation of a first turnout switch machine through a first cable, wherein n is 1, T(s) is 0, the first turnout switch machine starts to rotate, after the rotation is finished, the rotating position state of the first turnout switch machine is fed back to the first turnout module, and the first turnout module feeds back the received rotating position state of the first turnout switch machine to the interlocking logic part; the second turnout module directly controls the rotation of a second turnout switch machine through a second cable, wherein n is 2, and T(s) is K, after the first turnout switch machine finishes rotating, the second turnout switch machine starts rotating after K time difference, after the rotation is finished, the rotating position state of the second turnout switch machine is fed back to the second turnout module, and the second turnout module feeds back the received rotating position state of the second turnout switch machine to the interlocking logic part; the third turnout module directly controls the rotation of a third turnout switch machine through a third cable, wherein n is 3, T(s) is 2K, after 2K time difference, the third turnout switch machine starts to rotate, after the rotation is finished, the rotating position state of the third turnout switch machine is fed back to the third turnout module, and the third turnout module feeds back the received rotating position state of the third turnout switch machine to the interlocking logic part; the fourth turnout module directly controls the rotation of the first turnout point switch through a fourth cable, the first turnout point switch and the first turnout point switch rotate simultaneously, n is 1, T(s) is 0, the first turnout point switch starts to rotate, after the rotation is finished, the rotating position state of the first turnout point switch is fed back to the fourth turnout module, and the fourth turnout module feeds back the received rotating position state of the first turnout point switch to the interlocking logic part; and the fifth turnout module directly controls the rotation of the second turnout center switch machine through a fifth cable, wherein n is 2, T(s) is K, after the K time difference, the second turnout center switch machine starts to rotate, after the rotation is finished, the rotating position state of the second turnout center switch machine is fed back to the fifth turnout module, and the fifth turnout module feeds back the received rotating position state of the second turnout center switch machine to the interlocking logic part.
As shown in fig. 3, the embodiment of the invention relates to multiple switches 29309the working flow of controlling the rotation of multiple switches by the guide switch module is as follows:
the interlocking logic part sends a control instruction to the turnout module;
the turnout module receives a control instruction sent by the interlocking logic part and controls the rotation of a plurality of point switches according to a time sequence;
the turnout module checks the action consistency of a plurality of rotating switch machines;
according to the positions of all the switch machines, the turnout module calculates the current position of the turnout;
when the turning of all the switch machines is finished and the current positions represented by the turnouts are correct, the turnout module feeds back the current positions represented by the turnouts to the interlocking logic part, and then the execution of a feedback command is successful;
when the multiple switch machines are inconsistent in action after rotation is finished, the turnout module feeds back inconsistent information of the rotation action of the multiple switch machines to an interlocking logic part;
the interlocking logic part sends the turnout cut-off command to the turnout module;
and the turnout module receives the turnout cut-off command sent by the interlocking logic part and controls the plurality of switch machines to stop rotating.
When the turnout control command sent by the interlocking logic part is received, the turnout module controls the multiple switch machines to rotate according to a specified time sequence according to a command time sequence issued by the interlocking logic part, and after the multiple switch machines rotate in place, the turnout module feeds back the position information of the turnout to the interlocking logic part, so that the availability of the system is improved, and the smooth operation of railway transportation is ensured. In order to reduce the impact on the power supply screen, a plurality of switch machines for controlling the turnout rotate in sequence according to a set sequence, an interlocking logic part sends the starting time difference and the starting sequence of each switch machine to a turnout module, and the turnout module calculates the delay rotation time in a unified mode according to a received conversion instruction.
The interlocking logic part has the capability of controlling and managing the multiple turnouts, the interlocking logic part carries out the management of the multiple turnouts according to the logical relationship among the multiple turnouts of a station, gives out a control instruction aiming at the multiple turnouts according to the logical relationship among the multiple turnouts, manages the turnouts by taking a group of turnouts as a unit instead of taking a switch machine as a unit, and directly sends out the control instruction to the turnout module and simultaneously checks the position state of the turnout. The switch module has the control capability of a plurality of switches, receives switch control commands sent by the interlocking logic part, converts the switch control commands into control currents of the plurality of switches, sends auxiliary information such as position states and command execution conditions of the plurality of switches for controlling the switch to the interlocking logic part, and when the position of the multi-machine traction switch is in an abnormal position, the interlocking logic part can immediately send a stop rotation command of the multi-machine traction switch to control the plurality of switches of the switch to stop rotating. And according to the position states of a plurality of switches for controlling the turnout, the multi-machine traction turnout module calculates the position state of the multi-machine traction turnout through the logical operation of the multi-machine traction turnout module. For a multi-machine traction turnout control system, one of a plurality of switches for controlling turnouts does not rotate, the power supplies of the plurality of switches for controlling the multi-machine traction turnouts are required to be cut off, namely all the switch power supplies for the traction turnouts are cut off, all the switches stop conversion, the action synchronous protection logic of all the switches is completed by an interlocking logic part, the inconsistent time of actions of a switch point for controlling the turnout and a plurality of switches of a switch core exceeds the expected time, the interlocking logic part sends a multi-machine traction turnout cutting-off command to a multi-machine traction turnout module, and the multi-machine traction turnout module controls the plurality of switches to stop rotating.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (12)
1. A computer interlocking turnout multi-machine control system is characterized by comprising an interlocking logic part, one or more turnout modules and a plurality of switches;
the interlocking logic part is used for sending a control instruction to the turnout module;
and the turnout module is used for directly controlling one or more switch machines according to the control command sent by the interlocking logic part.
2. The system as claimed in claim 1, wherein the interlock logic is configured to determine whether to send the switch stop command to the switch module according to the accessory information of the position status and command execution status of the switches fed back by the switch module.
3. The system as claimed in claim 2, wherein the interlock logic is configured to send a switch stop command when the auxiliary information indicates that the switch position is in an abnormal position.
4. The computer-interlocked switch multi-machine control system according to claim 1, wherein the control commands include switch operation commands and switch lock protection commands.
5. The computer-interlocked switch multimachine control system of claim 1, wherein the plurality of switches comprise one or more switch point switches and one or more switch point switches.
6. A computer-interlocked turnout multi-machine control system according to claim 1 or 4,
the turnout module is used for controlling the rotation of one or more switch machines according to the control instruction;
the turnout module is used for checking the action consistency of a plurality of switch machines which start to rotate;
the multiple groups of turnout modules are used for calculating the current position of the turnout according to the positions of one or more switch machines;
when all the point switches finish rotating and the points are correctly represented, the point module is used for feeding back the point representation state to the interlocking logic part;
the turnout module is used for feeding back the inconsistent information of the operation of the multiple switch machines to the interlocking logic part according to the inconsistent operation of the multiple switch machines;
and the turnout module is used for controlling one or more points switches to stop rotating according to the turnout cut-off command sent by the interlocking logic part.
7. The computer-interlocked switch multi-machine control system according to claim 1, wherein the switch module is configured to control rotation of each switch machine, each switch machine rotates in sequence, and the delay rotation time calculation method of each switch machine is as follows:
the interlock logic sets a startup sequence number n of the one or more switch points to 1 to n;
the interlock logic sets a startup sequence number n of the one or more switch points to 1 to n;
the delay rotation time t(s) K × (n-1), K being the difference in the starting time of the two switches, K being greater than the duration of the peak current at the start of one or more switches.
8. A computer interlocking turnout multi-machine control method is characterized in that,
the interlocking logic part sends a control instruction to the turnout module;
and controlling one or more switch machines by the turnout module according to the control command sent by the interlocking logic part.
9. The computer-based interlocked switch multi-machine control method according to claim 8, wherein the interlocking logic unit determines whether to send a switch stop command to the switch module based on a plurality of switch position states and command execution condition auxiliary information fed back by the switch module.
10. The computer-interlocked switch multi-machine control method according to claim 9, wherein the interlock logic unit sends a switch stop command when the auxiliary information indicates that the switch position is in an abnormal position.
11. A computer-interlocked turnout multi-machine control method according to claim 8 or 10,
according to the control instruction, the turnout module controls the rotation of one or more switch machines;
when one or more switch machines start rotating, the turnout module checks the consistency of the operation of a plurality of switch machines;
according to the positions of one or more switch machines, the turnout module calculates the current position of the turnout;
according to the fact that all the point switches finish rotating and the points are correctly represented, the point module feeds back the point representation state to the interlocking logic part;
according to the inconsistent operation of the multiple switch machines, the turnout module feeds back inconsistent operation information of the multiple switch machines to the interlocking logic part;
and controlling one or more switch machines to stop rotating by the turnout module according to a turnout cut-off command sent by the interlocking logic part.
12. The computer-interlocked switch multi-machine control method according to claim 8, wherein the switch module controls rotation of one or more switches, the one or more switches rotate sequentially, and the delay rotation time calculation method of the one or more switches is as follows:
the interlock logic sets a startup sequence number n of the one or more switch points to 1 to n;
the interlock logic sets a startup sequence number n of the one or more switch points to 1 to n;
the delay rotation time t(s) K × (n-1), K being the difference in the starting time of the two switches, K being greater than the duration of the peak current at the start of one or more switches.
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| CN202110227626.6A CN112793621A (en) | 2021-03-01 | 2021-03-01 | Computer interlocking turnout multi-machine control system and method |
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