CN109229142B - Train turnout control system and control method - Google Patents
Train turnout control system and control method Download PDFInfo
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- CN109229142B CN109229142B CN201710557963.5A CN201710557963A CN109229142B CN 109229142 B CN109229142 B CN 109229142B CN 201710557963 A CN201710557963 A CN 201710557963A CN 109229142 B CN109229142 B CN 109229142B
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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
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Abstract
The invention provides a train turnout control system and a train turnout control method, wherein the system comprises: the device comprises a first input module, a first controller, a second input module, a second controller and an output module; the first input module is connected with the first controller and used for receiving the turnout control signal and generating a first judgment result, and the first controller generates a first processing result according to the first judgment result; the second input module is connected with the second controller, the second input module is used for receiving the turnout control signal and generating a second judgment result, and the second controller generates a second processing result according to the second judgment result; the first controller receives a second processing result sent by the second controller, and generates a control instruction according to the first processing result and the second processing result, wherein the control instruction is used for instructing the output module to control the action of the executing mechanism. The invention provides a train turnout control system and a train turnout control method, which are used for solving the problems of complex wiring and poor reliability caused by the adoption of a relay in the prior art.
Description
Technical Field
The invention relates to the field of vehicle engineering, in particular to a train turnout control system and a train turnout control method.
Background
Urban rail trains have the advantages of large passenger capacity, stable running and the like, and more cities begin to build urban rail trains. According to the classification of the running space of the rail train, the urban rail train is generally divided into an air train, a ground train and an underground train; classified by track type, urban rail trains are generally classified into: single track and double track trains. No matter which rail train, its orbit all has the switch, and the degree of accuracy and the promptness that the switch switches directly influence rail train's the change rail whether smooth, and the reliability that the switch switches has also influenced rail train operation's security.
At present, a switch control system usually adopts a plurality of relays, and contacts of the relays are connected in series or in parallel to form a control logic so as to control switch of the switch. However, the number of relays is large, which results in complex and bulky wiring. Moreover, after the contact of the relay is switched on and off for a long time, the abrasion is serious, the reliability is poor, the service life is shortened, even the smooth rail change of a rail train is influenced, and the reliability of turnout switching is reduced.
Disclosure of Invention
The present invention is directed to solving, at least to some extent, one of the technical problems in the related art.
Therefore, a first object of the present invention is to provide a train turnout control system, so as to control a turnout of a train, and to solve the problems of complex wiring, large volume of the control system, short service life and poor reliability caused by the adoption of a large number of relays in the prior art.
The second purpose of the invention is to provide a train turnout control method to realize the control of the turnout of the train, and the method is used for solving the problems of complex wiring, large control system volume, short service life and poor reliability caused by the adoption of a large number of relays in the prior art.
In order to achieve the above object, a first embodiment of the present invention provides a train switch control system, including: the device comprises a first input module, a first controller, a second input module, a second controller and an output module;
the first input module is connected with a first controller, and the first input module is used for receiving a turnout control signal, generating a first judgment result according to the turnout control signal and providing the first judgment result for the first controller, so that the first controller generates a first processing result according to the first judgment result;
the second input module is connected with a second controller, and the second input module is used for receiving a turnout control signal which is the same as that of the first input module, generating a second judgment result according to the turnout control signal and providing the second judgment result for the second controller, so that the second controller generates a second processing result according to the second judgment result;
the first controller is connected with the second controller, and is used for receiving a second processing result sent by the second controller and generating a control instruction according to the first processing result and the second processing result;
the output module is connected with the first controller and used for receiving the control instruction; and the output module is also used for being connected with an execution mechanism and controlling the execution mechanism to act according to the control instruction so as to control the turnout.
In order to achieve the above object, a second embodiment of the present invention provides a train turnout control method, including:
the first input module receives a turnout control signal, generates a first judgment result according to the turnout control signal and provides the first judgment result for the first controller;
the second input module receives the same turnout control signal, generates a second judgment result according to the turnout control signal and provides the second judgment result for the second controller;
the first controller generates a first processing result according to the first judgment result;
the second controller generates a second processing result according to the second judgment result and sends the second processing result to the first controller;
the first controller generates a control instruction according to the first processing result and the second processing result;
and the output module is used for controlling the action of the executing mechanism according to the control instruction so as to control the turnout.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The foregoing and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic structural diagram of a train turnout control system according to a first embodiment of the present invention;
fig. 2 is a schematic structural diagram of a train turnout control system provided in a second embodiment of the present invention;
FIG. 3 is a flowchart of a train turnout control method provided by a third embodiment of the present invention;
fig. 4 is a flowchart of a first processing result generated by a first controller in the train turnout control method according to the fifth embodiment of the present invention;
fig. 5 is a flowchart of a second processing result generated by a second controller in the train switch control method according to the sixth embodiment of the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
Example one
Fig. 1 is a schematic structural diagram of a train turnout control system according to an embodiment of the present invention. As shown in fig. 1, the present embodiment provides a train switch control system, including: a first input module 1, a first controller 2, a second input module 3, a second controller 4 and an output module 5.
The first input module 1 is connected to the first controller 2, and the first input module 1 is configured to receive a switch control signal, generate a first determination result according to the switch control signal, and provide the first determination result to the first controller 2, so that the first controller 2 generates a first processing result according to the first determination result. The first input module 1 can perform logic judgment on the turnout control signal to generate a first judgment result.
The second input module 3 is connected to the second controller 4, and the second input module 3 is configured to receive a switch control signal that is the same as the switch control signal of the first input module 1, generate a second determination result according to the switch control signal, and provide the second determination result to the second controller 4, so that the second controller 4 generates a second processing result according to the second determination result. The second input module 3 can perform logic judgment on the turnout control signal to generate a second judgment result.
The first controller 2 is connected to the second controller 4, and the first controller 2 is configured to receive a second processing result sent by the second controller 4 and generate a control instruction according to the first processing result and the second processing result.
The output module 5 is connected with the first controller 2 and used for receiving a control instruction.
The output module 5 is also used for being connected with the execution mechanism 6 and controlling the action of the execution mechanism 6 according to the control instruction so as to control the turnout.
The embodiment provides a technical scheme that the first input module and the second input module are adopted to receive the same turnout control signal, and a first judgment result and a second judgment result are respectively generated according to the received turnout control signal. And the second controller is connected with the second input module and used for generating a second processing result according to the second judgment result and sending the second processing result to the first controller. The first controller is connected with the first input module and used for generating a first processing result according to the first judgment result and generating a control instruction according to a second processing result sent by the second controller so as to control the execution mechanism through the output module. According to the technical scheme, the turnout control signals can be received through the input modules, the controller and the output module, logic judgment and data processing are carried out, a relay is not needed, and the problems of poor reliability and short service life caused by the adoption of the relay are solved.
For the first input module 1, the second input module 3 and the output module 5 adopted in the above technical scheme, they can be built by adopting each device in a digital circuit, or directly realized by adopting a processor through programming.
If the first input module 1, the second input module 3 and the output module 5 adopt processors, the first input module 1 and the first controller 2, the second input module 3 and the second controller 4, the first controller 2 and the second controller 4, and the first controller 4 and the output module 5 can be connected through communication buses, and the interaction mode of data can be set according to a bus protocol.
Depending on the specific type or model of actuator 6, the output module 5 may be connected to the actuator 6 via a communication bus or to the actuator 6 via a wire.
Example two
The embodiment is based on the above embodiments, and further optimizes the train turnout control system.
Fig. 2 is a schematic structural diagram of a train turnout control system provided in the second embodiment of the present invention. As shown in fig. 2, the first input module 1 is configured to receive a switch control signal and generate a first determination result according to the switch control signal, and provide the first determination result to the first controller 2.
In particular, the first input module 1 may be implemented by a processor. The first input module 1 has a first input end and a second input end, the first input end is connected with a first switch 11, the second input end is connected with a second switch 12, and the first switch 11 and the second switch 12 are used for executing opening and closing actions according to the same turnout control signal. The first switch 11 and the second switch 12 may be normally open switches or normally closed switches, and the switches are opened or closed, and the corresponding input terminals receive high-level or low-level signals.
The first input module 1 performs logic judgment according to the signals received by the first input end and the second input end, generates a first judgment result and provides the first judgment result to the first controller.
Specifically, if the first switch 11 and the second switch 12 are both normally open switches, under a normal operation condition, when the first switch 11 and the second switch 12 are closed after receiving the switch control signal, the first input end and the second input end may receive a high level signal. The first input module 1 judges whether the signal received by the first input end is the same as the signal received by the second input end, if so, the operation is normal, and a control value can be generated as a first judgment result and sent to the first controller 2; if not, the operation is abnormal, a fault is generated, and a safety value can be generated as a first judgment result and sent to the first controller 2.
If the first switch 11 and the second switch 12 are both normally closed switches, the signals of the first input terminal and the second input terminal should be high level when the switch control signal is not received. Under normal operation, when the first switch 11 and the second switch 12 are turned off after receiving the switch control signal, the first input terminal and the second input terminal receive a low level signal. The first input module 1 judges whether the signal received by the first input end is the same as the signal received by the second input end, if so, the operation is normal, and a control value can be generated as a first judgment result and sent to the first controller 2; if not, the operation is abnormal, a fault is generated, and a safety value can be generated as a first judgment result and sent to the first controller 2.
If the first switch 11 is a normally open switch and the second switch 12 is a normally closed switch, the signal at the first input end should be at a low level and the signal at the second input end should be at a high level when the switch control signal is not received. Under the normal operation condition, after receiving a turnout control signal, the first switch 11 is closed, the second switch 12 is opened, the first input end receives a high level signal, and the second input end receives a low level signal. The first input module 1 judges whether the signal received by the first input end is opposite to the signal received by the second input end, if so, the operation is normal, and a control value can be generated as a first judgment result and sent to the first controller 2; if not, the operation is abnormal, a fault is generated, and a safety value can be generated as a first judgment result and sent to the first controller 2.
If the first switch 11 is a normally closed switch and the second switch 12 is a normally open switch, the signal at the first input end should be at a high level and the signal at the second input end should be at a low level when the switch control signal is not received. Under the normal operation condition, after receiving the turnout control signal, the first switch 11 is turned off, the second switch 12 is turned on, the first input end receives the low level signal, and the second input end receives the high level signal. The first input module 1 judges whether the signal received by the first input end is opposite to the signal received by the second input end, if so, the operation is normal, and a control value can be generated as a first judgment result and sent to the first controller 2; if not, the operation is abnormal, a fault is generated, and a safety value can be generated as a first judgment result and sent to the first controller 2.
The second input module 3 is configured to receive the switch control signal and generate a second determination result according to the switch control signal, and provide the second determination result to the second controller 4.
In particular, the second input module 3 may be implemented by a processor. The second input module 3 has a third input end and a fourth input end, the third input end is connected with a third switch 13, the fourth input end is connected with a fourth switch 14, and the third switch 13 and the fourth switch 14 receive the same turnout control signal as the first switch 11 and the second switch 12 and execute the opening and closing action. The third switch 13 and the fourth switch 14 may be normally open switches or normally closed switches, and the switches are opened or closed, and the corresponding input terminals receive high level or low level signals.
The second input module 3 performs logic judgment according to the signals received by the third input end and the fourth input end, generates a second judgment result and provides the second judgment result to the second controller 4.
Specifically, if the third switch 13 and the fourth switch 14 are both normally open switches, under a normal operation condition, when the third switch 13 and the fourth switch 14 receive the switch control signal and then close, the third input end and the fourth input end may receive the high level signal. The second input module 3 judges whether the signal received by the third input end is the same as the signal received by the fourth input end, if so, the operation is normal, and a control value can be generated and sent to the second controller 4 as a second judgment result; if not, the operation is abnormal, a fault is generated, and a safety value can be generated and sent to the second controller 4 as a second judgment result.
If the third switch 13 and the fourth switch 14 are both normally closed switches, the signals of the third input terminal and the fourth input terminal should be high level when the switch control signal is not received. Under normal operation, when the third switch 13 and the fourth switch 14 are turned off after receiving the switch control signal, the third input terminal and the fourth input terminal will receive a low level signal. The second input module 3 judges whether the signal received by the third input end is the same as the signal received by the fourth input end, if so, the operation is normal, and a control value can be generated and sent to the second controller 4 as a second judgment result; if not, the operation is abnormal, a fault is generated, and a safety value can be generated and sent to the second controller 4 as a second judgment result.
If the third switch 13 is a normally open switch and the fourth switch 14 is a normally closed switch, the signal at the third input end should be at a low level and the signal at the fourth input end should be at a high level when the switch control signal is not received. Under the normal operation condition, after receiving the turnout control signal, the third switch 13 is closed, the fourth switch 14 is opened, the third input end receives a high level signal, and the fourth input end receives a low level signal. The second input module 3 judges whether the signal received by the third input end is opposite to the signal received by the fourth input end, if so, the operation is normal, and a control value can be generated and sent to the second controller 4 as a second judgment result; if not, the operation is abnormal, a fault is generated, and a safety value can be generated and sent to the second controller 4 as a second judgment result.
If the third switch 13 is a normally closed switch and the fourth switch 14 is a normally open switch, the signal at the third input end should be at a high level and the signal at the fourth input end should be at a low level when the switch control signal is not received. Under the normal operation condition, after receiving the turnout control signal, the third switch 13 is switched off, the fourth switch 14 is switched on, the third input end receives a low level signal, and the fourth input end receives a high level signal. The second input module 3 judges whether the signal received by the third input end is opposite to the signal received by the fourth input end, if so, the operation is normal, and a control value can be generated and sent to the second controller 4 as a second judgment result; if not, the operation is abnormal, a fault is generated, and a safety value can be generated and sent to the second controller 4 as a second judgment result.
The switch control signals received by the first switch 11, the second switch 12, the third switch 13 and the fourth switch 14 are the same, the signals received by the first input end and the second input end are logically judged through the first input module 1, the signals received by the third input end and the fourth input end are logically judged through the second input module 3, and then the logical judgment results are respectively sent to the first controller 2 and the second controller 4, so that the two controllers can judge and process again, the accuracy can be improved, faults can be accurately and timely found, and the reliability of a train switch control system is improved.
In fig. 2, the first switch 11 is a normally open switch, the second switch 12 is a normally closed switch, the third switch 13 is a normally open switch, and the fourth switch 14 is a normally open switch. Fig. 2 is only one of the schemes, and should not be construed as limiting the specific schemes.
EXAMPLE III
The embodiment provides a train turnout control method which can be executed by the train turnout control system.
Fig. 3 is a flowchart of a train turnout control method provided by a third embodiment of the present invention. As shown in fig. 3, the train turnout control method provided by this embodiment includes the following steps:
The first input module 1 is connected to the first controller 2, and may be connected to the first controller through a communication bus. The first input module 1 receives a turnout control signal sent from the outside, wherein the turnout control signal can be a signal for controlling the turnout action or a position signal fed back by the turnout, and if the turnout control signal is used for controlling the turnout action, the turnout control signal can be sent by an additional processor; if the position signal is fed back by the turnout, the position signal can be sent by a sensor for detecting the position of the turnout.
And 102, receiving the same turnout control signal by the second input module, generating a second judgment result according to the turnout control signal and providing the second judgment result for the second controller.
The second input module 3 is connected to the second controller 4, in particular via a communication bus. The switch control signal received by the second input module 3 is the same as the switch control signal received by the first input module 1.
And 103, generating a first processing result by the first controller according to the first judgment result.
And 104, the second controller generates a second processing result according to the second judgment result and sends the second processing result to the first controller.
In steps 103 and 104, the first controller 2 and the second controller 4 respectively process the first determination result and the second determination result in the same manner, so as to respectively obtain a first processing result and a second processing result.
And 105, generating a control instruction by the first controller according to the first processing result and the second processing result.
The first controller 2 receives the second processing result sent by the second controller 4, can perform logic judgment with the first processing result, generates a control instruction when the result of the logic judgment meets the set requirement, and sends the control instruction to the output module 5.
And 106, the output module is used for receiving the control instruction and controlling the action of the executing mechanism according to the control instruction so as to control the turnout.
The output module 5 is connected with the executing mechanism 6, and controls the executing mechanism to act according to the received control instruction so as to control the turnout, for example, controlling the switching position of the turnout.
The embodiment provides a technical scheme that the first input module and the second input module are adopted to receive the same turnout control signal, and a first judgment result and a second judgment result are respectively generated according to the received turnout control signal. And the second controller is connected with the second input module and used for generating a second processing result according to the second judgment result and sending the second processing result to the first controller. The first controller is connected with the first input module and used for generating a first processing result according to the first judgment result and generating a control instruction according to a second processing result sent by the second controller so as to control the execution mechanism through the output module. According to the technical scheme, the turnout control signals can be received through the input modules, the controller and the output module, logic judgment and data processing are carried out, a relay is not needed, and the problems of poor reliability and short service life caused by the adoption of the relay are solved. And the two input modules receive the same turnout control signal, and the two controllers process the judgment result sent by the corresponding input module to generate a control instruction, so that the control accuracy can be improved.
Example four
In the embodiment, on the basis of the above embodiment, the train turnout control method is optimized.
As shown in fig. 2, the first input module 1 has a first input end and a second input end, the first input end is connected with a first switch 11, the second input end is connected with a second switch 12, and the first switch 11 and the second switch 12 are used for executing opening and closing actions according to the same switch control signal. The first input module 1 can perform logic judgment according to signals received by the first input end and the second input end, generate a first judgment result and provide the first judgment result to the first controller.
The second input module 2 has a third input end and a fourth input end, the third input end is connected with a third switch 13, the fourth input end is connected with a fourth switch 14, and the third switch 13 and the fourth switch 14 are used for executing opening and closing actions according to the same turnout control signal. The second input module 3 can perform logic judgment according to the signals received by the third input end and the fourth input end, generate a second judgment result and provide the second judgment result to the second controller.
The first switch 11, the second switch 12, the third switch 13, and the fourth switch 14 may be normally open switches or normally closed switches, and the first input module 1 performs logic judgment according to signals received by the first input end and the second input end according to different combinations of the first switch 11 and the second switch 12. According to different combinations of the third switch 13 and the fourth switch 14, the second input module 3 performs logic judgment according to signals received by the third input end and the fourth input end.
The judgment process for the first input module 1:
if the first switch 11 and the second switch 12 are both normally open switches or the first switch 11 and the second switch 12 are both normally closed switches, when the first switch 11 and the second switch 12 receive a turnout control signal, the same opening and closing operation is executed, the first input module 1 performs logic judgment on the signal received by the first input end and the signal received by the second input end, and if the two signals are the same, the operation is normal, the first input module 1 generates a control value as a first judgment result and sends the control value to the first controller 2. If the two are different, indicating that a fault occurs, the first input module 1 generates a safety value as a first judgment result and sends the safety value to the first controller 2.
If the first switch 11 is a normally open switch, the second switch 12 is a normally closed switch; or the first switch 11 is a normally closed switch, and the second switch 12 is a normally open switch, when the first switch 11 and the second switch 12 execute opposite opening and closing operations after receiving the turnout control signal, the first input module 1 performs logic judgment on the signal received by the first input end and the signal received by the second input end, if the two are different, the operation is normal, and the first input module 1 generates a control value as a first judgment result and sends the control value to the first controller 2. If the two are the same, indicating that a fault occurs, the first input module 1 generates a safety value as a first judgment result and sends the safety value to the first controller 2.
The judgment process for the second input module 3:
if the third switch 13 and the fourth switch 14 are both normally open switches or the third switch 13 and the fourth switch 14 are both normally closed switches, the same opening and closing operation is executed after the third switch 13 and the fourth switch 14 receive the turnout control signal, the second input module 3 performs logic judgment on the signal received by the third input end and the signal received by the fourth input end, and if the signals are the same, the operation is normal, the second input module 3 generates a control value as a second judgment result and sends the second judgment result to the second controller 4. If the two are different, indicating that a fault occurs, the second input module 3 generates a safety value as a second judgment result and sends the second judgment result to the second controller 4.
If the third switch 13 is a normally open switch, the fourth switch 14 is a normally closed switch; or the third switch 13 is a normally closed switch, and the fourth switch 14 is a normally open switch, when the third switch 13 and the fourth switch 14 execute opposite opening and closing operations after receiving the switch control signal, the second input module 3 performs logical judgment on the signal received by the third input end and the signal received by the fourth input end, and if the signals are opposite, the operation is normal, the second input module 3 generates a control value as a second judgment result and sends the second judgment result to the second controller 4. If the two are the same, indicating that a fault occurs, the second input module 3 generates a safety value as a second judgment result and sends the second judgment result to the second controller 4.
EXAMPLE five
In this embodiment, on the basis of the above embodiment, a train turnout control method is further optimized, and in particular, an implementation manner of generating a first processing result by a first controller is further optimized:
fig. 4 is a flowchart of a first processing result generated by a first controller in the train turnout control method according to the fifth embodiment of the present invention. As shown in fig. 4, in the step 103, the first controller generates the first processing result according to the first determination result, and specifically, the following steps may be adopted:
Before step 1031, the second controller 4 sends the second determination result to the first controller 2 after receiving the second determination result sent by the second input module 3.
The first controller 2 determines whether the first determination result is the same as the second determination result, and if so, it indicates that the signal provided by the first input module 1 to the first controller 2 is the same as the signal provided by the second input module 3 to the second controller 4, and the operation is normal, and a control value may be generated as the first processing result. If the first judgment result is different from the second judgment result, which indicates that the signal provided by the first input module 1 to the first controller 2 is different from the signal provided by the second input module 3 to the second controller 4, and a fault may occur, the first controller 2 generates a safety value as a first processing result, and the safety value is used for controlling a following execution mechanism not to act, so that a more serious accident caused by misoperation is avoided.
EXAMPLE six
In this embodiment, on the basis of the above embodiment, a train turnout control method is further optimized, and particularly, an implementation manner of generating a second processing result by a second controller is further optimized:
fig. 5 is a flowchart of a second processing result generated by a second controller in the train switch control method according to the sixth embodiment of the present invention. As shown in fig. 5, in the step 104, the second controller 4 generates a second processing result according to the second determination result, and sends the second processing result to the first controller 2, which may specifically be implemented as follows:
in step 1041, the second controller receives the first determination result from the first controller.
Before step 1041, after receiving the first determination result sent by the first input module 1, the first controller 2 sends the first determination result to the second controller 4.
1042, the second controller determines whether the first determination result is the same as the second determination result, if yes, then execute 1043; if not, go to step 1044.
In step 1043, the second controller generates a control value as a second processing result.
And step 1044, the second controller generates a safety value as a second processing result.
The second controller 4 determines whether the first determination result is the same as the second determination result, and if so, it indicates that the signal provided by the first input module 1 to the first controller 2 is the same as the signal provided by the second input module 3 to the second controller 4, and the operation is normal, and may generate a control value as the second processing result. If the first judgment result is different from the second judgment result, which indicates that the signal provided by the first input module 1 to the first controller 2 is different from the signal provided by the second input module 3 to the second controller 4, and a fault may occur, the second controller 4 generates a safety value as a second processing result, and the safety value is used for controlling a following execution mechanism not to act, so that a more serious accident caused by misoperation is avoided.
EXAMPLE seven
In this embodiment, on the basis of the above embodiment, a train turnout control method is further optimized, and particularly, an implementation manner of generating a control command by a first controller is further optimized:
after the above steps 103 and 104, the first controller 2 receives the second processing result sent by the second controller 4, the first controller 2 determines whether the first processing result and the second processing result are the same, if so, it indicates that the operation is normal, and the first controller 2 generates a control value as a control instruction; if not, indicating that a failure is likely to occur, the first controller 2 generates a safety value as a control command.
Through the process that the first controller 2 judges the first processing result and the second processing result, the identification accuracy of the fault is further improved.
In combination with the above technical solution and fig. 2, multiple comparisons and judgments are adopted. First, the switch control signal acts on the first switch 11, the second switch 12, the third switch 13 and the fourth switch 14 at the same time, and the first input terminal, the second input terminal, the third input terminal and the fourth input terminal receive corresponding signals according to different actions of the switches. The first input module 1 and the second input module 3 respectively output a first judgment result and a second judgment result after performing logic judgment on signals received by the two respective input ends.
Secondly, the first controller 2 and the second controller 4 mutually send the first judgment result and the second judgment result which are respectively received, so that the first controller 2 and the second controller 4 are both identical to each other in the first judgment result and the second judgment result, and further a first processing result and a second processing result are respectively generated.
Then, the second controller 4 sends the second processing result to the first controller 2, so that the first controller 2 determines whether the first processing result and the second processing result are the same, and if the first processing result and the second processing result are the same, a control value is generated as a control instruction to control the action of the executing mechanism through the output module 5.
Through the three comparison and judgment processes, faults can be accurately judged, and the safety level is also improved. Moreover, the scheme can be realized by adopting a processor or a controller without adopting a relay. The control logic of the processor or the controller can be changed by changing the program, so that the method is simple, quick, good in flexibility, free of adjusting a complex hardware circuit and capable of improving maintenance efficiency.
The first controller 2 and the second controller 4 can be implemented by using safety controllers in the prior art, for example: adopting a safety Programmable Logic Controller (Programmable Logic Controller), which is abbreviated as: and (4) a safety PLC.
The control value and the safety value in the above embodiments may be regarded as logic values or flag bits, for example: the control value is "1" and the safety value is "0". Alternatively, the control value and the safety value may be other character strings or data, the control value is used for controlling the actuator to operate, and the safety value is used for controlling the actuator not to operate.
Further, the output module 5 may detect a short circuit or an open circuit of the input circuit of the actuator 6, and if a fault is detected, may send a safety value to the actuator to control the actuator to stop operating. And the output module 5 sends a fault signal to the first controller 2.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
Any process or method descriptions in flow charts or otherwise described herein may be understood as representing modules, segments, or portions of code which include one or more executable instructions for implementing steps of a custom logic function or process, and alternate implementations are included within the scope of the preferred embodiment of the present invention in which functions may be executed out of order from that shown or discussed, including substantially concurrently or in reverse order, depending on the functionality involved, as would be understood by those reasonably skilled in the art of the present invention.
The logic and/or steps represented in the flowcharts or otherwise described herein, e.g., an ordered listing of executable instructions that can be considered to implement logical functions, can be embodied in any computer-readable medium for use by or in connection with an instruction execution system, apparatus, or device, such as a computer-based system, processor-containing system, or other system that can fetch the instructions from the instruction execution system, apparatus, or device and execute the instructions. For the purposes of this description, a "computer-readable medium" can be any means that can contain, store, communicate, propagate, or transport the program for use by or in connection with the instruction execution system, apparatus, or device. More specific examples (a non-exhaustive list) of the computer-readable medium would include the following: an electrical connection (electronic device) having one or more wires, a portable computer diskette (magnetic device), a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber device, and a portable compact disc read-only memory (CDROM). Additionally, the computer-readable medium could even be paper or another suitable medium upon which the program is printed, as the program can be electronically captured, via for instance optical scanning of the paper or other medium, then compiled, interpreted or otherwise processed in a suitable manner if necessary, and then stored in a computer memory.
It should be understood that portions of the present invention may be implemented in hardware, software, firmware, or a combination thereof. In the above embodiments, the various steps or methods may be implemented in software or firmware stored in memory and executed by a suitable instruction execution system. If implemented in hardware, as in another embodiment, any one or combination of the following techniques, which are known in the art, may be used: a discrete logic circuit having a logic gate circuit for implementing a logic function on a data signal, an application specific integrated circuit having an appropriate combinational logic gate circuit, a Programmable Gate Array (PGA), a Field Programmable Gate Array (FPGA), or the like.
It will be understood by those skilled in the art that all or part of the steps carried by the method for implementing the above embodiments may be implemented by hardware related to instructions of a program, which may be stored in a computer readable storage medium, and when the program is executed, the program includes one or a combination of the steps of the method embodiments.
In addition, functional units in the embodiments of the present invention may be integrated into one processing module, or each unit may exist alone physically, or two or more units are integrated into one module. The integrated module can be realized in a hardware mode, and can also be realized in a software functional module mode. The integrated module, if implemented in the form of a software functional module and sold or used as a stand-alone product, may also be stored in a computer readable storage medium.
The storage medium mentioned above may be a read-only memory, a magnetic or optical disk, etc. Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (11)
1. A train switch control system, comprising: the device comprises a first input module, a first controller, a second input module, a second controller and an output module;
the first input module is connected with a first controller, and the first input module is used for receiving a turnout control signal, generating a first judgment result according to the turnout control signal and providing the first judgment result for the first controller, so that the first controller generates a first processing result according to the first judgment result; the first input module is provided with a first input end and a second input end, the first input end is connected with a first switch, the second input end is connected with a second switch, the first switch and the second switch are used for executing opening and closing actions according to the same turnout control signal, and the turnout control signal is a signal sent by a processor and used for controlling turnout actions or a position signal sent by a sensor;
the first input module is used for carrying out logic judgment according to the signals received by the first input end and the second input end, generating a first judgment result and providing the first judgment result to the first controller;
the second input module is connected with a second controller, and the second input module is used for receiving a turnout control signal which is the same as that of the first input module, generating a second judgment result according to the turnout control signal and providing the second judgment result for the second controller, so that the second controller generates a second processing result according to the second judgment result; the first controller is connected with the second controller, and is used for receiving a second processing result sent by the second controller and generating a control instruction according to the first processing result and the second processing result;
the output module is connected with the first controller and used for receiving the control instruction; the output module is also used for being connected with the executing mechanism and controlling the action of the executing mechanism according to the control instruction so as to control the switching position of the turnout.
2. The train switch control system of claim 1,
the first switch and the second switch are both normally open switches;
or both the first switch and the second switch are normally closed switches;
or the first switch is a normally open switch, and the second switch is a normally closed switch;
or the first switch is a normally closed switch, and the second switch is a normally open switch.
3. The train turnout control system according to claim 1, wherein the second input module has a third input end and a fourth input end, the third input end is connected with a third switch, the fourth input end is connected with a fourth switch, and the third switch and the fourth switch are used for executing opening and closing actions according to the same turnout control signal;
the second input module is used for carrying out logic judgment according to the signals received by the third input end and the fourth input end, generating a second judgment result and providing the second judgment result to the second controller.
4. The train switch control system of claim 3,
the third switch and the fourth switch are both normally open switches;
or the third switch and the fourth switch are both normally closed switches;
or the third switch is a normally open switch, and the fourth switch is a normally closed switch;
or the third switch is a normally closed switch, and the fourth switch is a normally open switch.
5. A train turnout control method is characterized by comprising the following steps:
the first input module receives a turnout control signal, generates a first judgment result according to the turnout control signal and provides the first judgment result for the first controller; the first input module is provided with a first input end and a second input end, the first input end is connected with a first switch, the second input end is connected with a second switch, the first switch and the second switch are used for executing opening and closing actions according to the same turnout control signal, and the turnout control signal is a signal sent by a processor and used for controlling turnout actions or a position signal sent by a sensor;
the first input module is used for carrying out logic judgment according to the signals received by the first input end and the second input end, generating a first judgment result and providing the first judgment result to the first controller;
the second input module receives the same turnout control signal, generates a second judgment result according to the turnout control signal and provides the second judgment result for the second controller; the first controller generates a first processing result according to the first judgment result;
the second controller generates a second processing result according to the second judgment result and sends the second processing result to the first controller;
the first controller generates a control instruction according to the first processing result and the second processing result;
and the output module is used for controlling the action of the executing mechanism according to the control instruction so as to control the switching position of the turnout.
6. The train switch control method according to claim 5,
the first switch and the second switch are both normally open switches or normally closed switches;
the first input module performs logic judgment according to the signals received by the first input end and the second input end, generates a first judgment result and provides the first judgment result to the first controller, and the method comprises the following steps: the first input module judges whether the signals received by the first input end and the second input end are the same or not, and if yes, a control value is generated and sent to the first controller as a first judgment result; if not, generating a safety value as a first judgment result and sending the first judgment result to the first controller;
or the first switch is a normally open switch, and the second switch is a normally closed switch;
the first input module performs logic judgment according to the signals received by the first input end and the second input end, generates a first judgment result and provides the first judgment result to the first controller, and the method comprises the following steps: the first input module judges whether the signals received by the first input end and the second input end are opposite, if so, a control value is generated as a first judgment result and is sent to the first controller; if not, generating a safety value as a first judgment result and sending the first judgment result to the first controller;
or the first switch is a normally closed switch, and the second switch is a normally open switch;
the first input module performs logic judgment according to the signals received by the first input end and the second input end, generates a first judgment result and provides the first judgment result to the first controller, and the method comprises the following steps: the first input module judges that the signals received by the first input end and the second input end are different, if so, a control value is generated and sent to the first controller as a first judgment result; if not, generating a safety value as a first judgment result and sending the first judgment result to the first controller.
7. The train turnout control method according to claim 5, wherein the second input module has a third input end and a fourth input end, the third input end is connected with a third switch, the fourth input end is connected with a fourth switch, and the third switch and the fourth switch are used for executing opening and closing actions according to the same turnout control signal;
the second input module receives the same switch control signal and generates a second judgment result according to the switch control signal to be provided for a second controller, and the method comprises the following steps: and the second input module performs logic judgment according to the signals received by the third input end and the fourth input end, generates a second judgment result and provides the second judgment result to the second controller.
8. The train switch control method according to claim 7,
the third switch and the fourth switch are both normally open switches or normally closed switches;
the second input module performs logic judgment according to the signals received by the third input end and the fourth input end, generates a second judgment result and provides the second judgment result to the second controller, and the method comprises the following steps: the second input module judges whether the signals received by the third input end and the fourth input end are the same or not, and if yes, a control value is generated and sent to the second controller as a second judgment result; if not, generating a safety value as a second judgment result and sending the second judgment result to the second controller;
or the third switch is a normally open switch, and the fourth switch is a normally closed switch;
the second input module performs logic judgment according to the signals received by the third input end and the fourth input end, generates a second judgment result and provides the second judgment result to the second controller, and the method comprises the following steps: the second input module judges whether the signals received by the third input end and the fourth input end are opposite, if so, a control value is generated and is used as a second judgment result to be sent to the second controller; if not, generating a safety value as a second judgment result and sending the second judgment result to the second controller;
or the third switch is a normally closed switch, and the fourth switch is a normally open switch;
the second input module performs logic judgment according to the signals received by the third input end and the fourth input end, generates a second judgment result and provides the second judgment result to the second controller, and the method comprises the following steps: the second input module judges whether the signals received by the third input end and the fourth input end are opposite, if so, a control value is generated and is used as a second judgment result to be sent to the second controller; and if not, generating a safety value as a second judgment result and sending the second judgment result to the second controller.
9. The train turnout control method according to claim 5, wherein the first controller generates a first processing result according to the first judgment result, and the first processing result comprises:
the first controller receives a second judgment result sent by the second controller;
the first controller judges whether the first judgment result is the same as the second judgment result, if so, a control value is generated as a first processing result; if not, generating a safety value as a first processing result.
10. The train switch control method according to claim 9, wherein the second controller generates a second processing result according to the second determination result, including:
the second controller receives a first judgment result sent by the first controller;
the second controller judges whether the first judgment result is the same as the second judgment result, if so, a control value is generated as a second processing result; if not, generating a safety value as a second processing result.
11. The train switch control method according to claim 10, wherein the first controller logically judges the first processing result and the second processing result and generates a control command, and the method comprises:
the first controller judges whether the first processing result and the second processing result are the same or not, and if yes, a control value is generated to serve as a control instruction; if not, generating a safety value as a control instruction.
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| CN114407970A (en) * | 2021-12-28 | 2022-04-29 | 中车长江车辆有限公司 | Processing module and goat based on suspension type monorail switch |
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| CN106125544A (en) * | 2016-07-12 | 2016-11-16 | 浙江众合科技股份有限公司 | A kind of temperature of track switch controller that is applicable to is for redundant system |
| CN106740991B (en) * | 2016-11-29 | 2019-01-08 | 卡斯柯信号有限公司 | It is a kind of to multiply two four/six line turnout drive systems for taking two frameworks based on two |
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