CN112278021B - Train remote input and output module and processing method - Google Patents
Train remote input and output module and processing method Download PDFInfo
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- CN112278021B CN112278021B CN202011140794.3A CN202011140794A CN112278021B CN 112278021 B CN112278021 B CN 112278021B CN 202011140794 A CN202011140794 A CN 202011140794A CN 112278021 B CN112278021 B CN 112278021B
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- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L27/00—Central railway traffic control systems; Trackside control; Communication systems specially adapted therefor
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Abstract
The embodiment of the invention provides a train remote input and output module and a processing method, wherein the module comprises a control board, a power board, an input board and/or an output board, wherein an input point of the input board is divided into a plurality of point domains, each point domain corresponds to different application system types, an output point of the output board is divided into a plurality of point domains, and each point domain corresponds to different application system types; an input board for inputting the acquired data signal; the control panel is used for carrying out domain coding on the data signals to generate application signals and issuing the application signals to a train control network; the system is also used for carrying out domain analysis on a control signal received from a train control network to generate an instruction signal and sending the instruction signal to the output board; and the output board is used for outputting the command signal. By carrying out domain division on the point location according to different application systems, a plurality of application systems can share one RIOM, and idle input or output point locations are reduced, so that the wiring difficulty is simplified, and the utilization rate of the RIOM point location by a train system is improved.
Description
Technical Field
The invention relates to the technical field of train traffic control, in particular to a train remote input and output module and a processing method.
Background
With the development of rail transit, a train network control system is gradually improved, and a train remote input and output module (ROIM) is a device widely applied to the train network control system, and the stability, reliability and safety of the ROIM directly affect the whole train network control system.
The existing train communication input and output module (RIOM) and the train control unit (VCU) form a Train Control and Monitoring System (TCMS).
An existing train automatic driving system (ATO) collects information of a train and outputs control of the train through a unique Remote Input and Output Module (RIOM).
The train health detection system also collects the voltage, current, temperature, vibration quantity and the like of the train through a remote input and output module of the train health detection system.
The data volume and the analog volume of the three systems are collected through the specific input and output module, and the data volume and the analog volume cannot be fused with each other for use and are also not compatible with each other for communication.
Since the vehicle has a plurality of application systems which are independent systems, a plurality of idle points exist in the point location deployment and wiring process.
Even if the same RIOM is shared, the problem that different points of the RIOM cannot be distributed to different application systems exists.
Disclosure of Invention
Aiming at the problems in the prior art, the embodiment of the invention provides a train remote input and output module and a processing method.
In a first aspect, a train remote input/output module provided in an embodiment of the present invention includes a control board, a power board, an input board and/or an output board, where an input point of the input board is divided into a plurality of point domains, each point domain corresponds to a different application system type, an output point of the output board is divided into a plurality of point domains, and each point domain corresponds to a different application system type; wherein:
the input board is used for inputting the acquired data signals according to a point bit field on the input board;
the control panel is used for carrying out domain coding on the data signals to generate application signals and issuing the application signals to a train control network; the system is also used for carrying out domain analysis on a control signal received from a train control network to generate an instruction signal and sending the instruction signal to the output board;
and the output board is used for outputting the instruction signal according to the dot bit field on the output board.
Further, the control board comprises an identification unit, an encoding unit and an analysis unit, wherein:
the identification unit is used for identifying the point location number of the data signal and determining a point location domain name according to the identified point location number;
the encoding unit is used for encoding the data signal according to the point location domain name, generating an application signal and issuing the application signal to the train control network, wherein the application signal is an application signal which is marked with the point location domain name and is suitable for network transmission;
and the analysis unit is used for carrying out domain analysis on the control signal, generating an instruction signal of the domain name marked with the point location and sending the instruction signal to the output board.
Further, the output plate is specifically configured to: and determining an output point location according to the point location domain name, and sending the instruction signal through the determined output point location.
Further, the parsing unit is further configured to:
and determining that the analyzed point location domain name is not in the point location domain name list, and stopping sending an instruction signal for marking the point location domain name to the output board.
In a second aspect, an embodiment of the present invention provides a train remote input/output processing method based on the train remote input/output module, including:
acquiring the acquired data signals through an input board according to a point bit field on the input board;
carrying out domain coding on the data signal through a control panel to generate an application signal, and issuing the application signal to a train control network; performing domain analysis on a control signal received from the train control network to generate an instruction signal, and sending the instruction signal to the output board;
and outputting the instruction signal through an output board according to the dot bit field on the output board.
Further, the data signal is subjected to domain coding through the control panel to generate an application signal, and the application signal is issued to a train control network; and receiving a control signal from a train control network, performing domain analysis to generate an instruction signal, and sending the instruction signal to the output board, wherein the domain analysis comprises the following steps:
carrying out point location number identification on the data signal, and determining a point location domain name according to the identified point location number;
coding the data signal according to the point location domain name to generate an application signal, and issuing the application signal into a train control network, wherein the application signal is an application signal marked with the point location domain name and suitable for network transmission;
and performing domain analysis on the control signal to generate an instruction signal of a domain name marked with a point location, and sending the instruction signal to the output board.
Further, the outputting, by the output board, the command signal according to the dot bit field on the output board includes:
and determining an output point location according to the point location domain name, and sending the instruction signal through the determined output point location.
Further, still include: and determining that the analyzed point location domain name is not in the point location domain name list, and stopping sending an instruction signal for marking the point location domain name to the output board.
According to the train remote input and output module and the processing method provided by the embodiment of the invention, the input point location and the output point location are subjected to domain division according to different application systems, so that a plurality of application systems can share one RIOM, and idle input or output point locations are reduced, thereby simplifying the wiring difficulty and improving the utilization rate of the RIOM point location by the train system.
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 embodiment of a train remote input/output module according to the present invention;
FIG. 2 is a schematic diagram of the ROIM point location division;
fig. 3 is a flowchart of an embodiment of a train remote input/output processing method according to 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.
Fig. 1 is a schematic structural diagram of a train Remote Input and Output Module (RIOM) provided by an embodiment of the present invention, and referring to fig. 1, the train Remote Input and Output Module (RIOM) includes a control board 11, a power board 12, and an input board 13 and/or an output board 14, an input point of the input board is divided into a plurality of point domains, each point domain corresponds to a different application system type, and an output point of the output board is divided into a plurality of point domains, each point domain corresponds to a different application system type; wherein:
the input board is used for inputting the acquired data signals according to a point bit field on the input board;
the control panel is used for carrying out domain coding on the data signals to generate application signals and issuing the application signals to a train control network; the system is also used for carrying out domain analysis on the control signals received from the train control network to generate instruction signals and sending the instruction signals to an output board;
and the output board is used for outputting the command signal according to the dot bit field on the output board.
In this respect, it should be noted that, in the embodiment of the present invention, as the development of rail transit is advanced, the train network control system is gradually improved, and a train remote input and output module (ROIM) is a device widely used in the train network control system, and its stability, reliability and safety directly affect the whole train network control system.
In the embodiment of the invention, the overall network topology of the remote input and output module (ROIM) of the train comprises a back board, a gateway, a power board, a control board, an input board and an output board, wherein the back board is communicated with different buses through the gateway, and then the ROIM carries out communication among the boards through a back board bus. The input board includes a digital quantity input board and an analog quantity input board, and the output board includes a digital quantity input board and an analog quantity input board. In different train systems, only an input board or an output board may be required, and the input board and the output board may be shared.
In the embodiment of the invention, the input point (i.e. the input terminal) of the input board is divided into a plurality of point domains on the logic level according to different train application systems, each point domain corresponds to different application system types, similarly, the output point of the output board is also divided into a plurality of point domains on the logic level according to different train application systems, and each point domain corresponds to different application system types.
Fig. 2 is a schematic diagram illustrating the point domain division of the ROIM. Referring to fig. 2, the VCU application system includes the DOTs numbered 1-4, 9-12, 17-20 in the location field of the digital quantity input board (DIT), the DOTs numbered 1-4, 9-12 in the DOT field of the digital quantity output board (DOT), the DOTs numbered 1-4 in the DOT field of the analog quantity input board (AIT), and the DOTs numbered 1-3 in the DOT field of the analog quantity output board (DOT).
In the embodiment of the invention, in the signal processing process of the ROIM, the input board obtains the acquired data signals according to the pre-divided point bit fields, then the data signals are obtained by the control board, the control board carries out the field coding on the data signals to generate application signals, and the generated application signals are issued to the train control network. The train control network can be used for communication of different application systems, and the application signals can be identified, acquired and used by the different application systems in the train control network.
After the application system obtains the application signal, the application system can perform analysis processing according to the application signal to obtain a control signal for controlling the train and the trackside equipment. The control signal is sent to the control board of the ROIM.
And after the control board receives the control signal, performing domain analysis on the control signal to generate an instruction signal, and sending the instruction signal to an output board. The command signal is issued to the train and the trackside equipment, so that the train and the trackside equipment can be identified and react.
And after receiving the instruction signal, the output board sends out the instruction signal according to the point location corresponding to the pre-divided point location domain.
According to the train remote input and output module provided by the embodiment of the invention, the domain division is carried out on the input point location and the output point location according to different application systems, so that a plurality of application systems can share one RIOM, and the idle input or output point location is reduced, thereby simplifying the wiring difficulty and improving the utilization rate of the RIOM point location by the train system.
In a further embodiment of the above-mentioned embodiment RIOM, the control board comprises an identification unit, an encoding unit and an analyzing unit, wherein:
and the identification unit is used for identifying the point location number of the data signal and determining a point location domain name according to the identified point location number.
And the coding unit is used for coding the data signal according to the point location domain name, generating an application signal and issuing the application signal to the train control network, wherein the application signal is a signal marked with the point location domain name and suitable for network transmission.
And the analysis unit is used for carrying out domain analysis on the control signal, generating an instruction signal of the domain name with the marked point position and sending the instruction signal to the output board.
In this regard, it should be noted that, in the embodiment of the present invention, the collected data signal is marked with information from which point location it is input, that is, the data signal includes data content and a point location number. And the identification unit identifies the point location number of the data signal to obtain the identified point location number. And then, according to the identified point location numbers and a corresponding relation table of the prestored point location numbers and the point location domain names, determining the point location domain names to which the data signals belong. Since the dot-bit field is a division implemented according to the type of application system. For this reason, the point domain name is equivalent to determining an application system to which the data signal is applied.
The encoding unit needs to encode these data signals to generate signals that can be suitably identified and used in the train control network. In the process of encoding the data signal, a dotted domain name is marked on the application signal so that the corresponding application system can recognize and acquire the domain name.
After the application system obtains the application signal, the application system can perform analysis processing according to the application signal to obtain a control signal for controlling the train and the trackside equipment.
The analysis unit carries out domain analysis on the control signal, generates an instruction signal of the domain name marked with the point location, and sends the instruction signal to the output board.
In this embodiment, the control board of the RIOM sets corresponding execution units according to different division stages in the data signal processing process, so as to complete the rapid identification and use of the signals.
In a further embodiment of the above-described embodiment RIOM, the output plate is specifically configured to: and determining an output point position according to the point position domain name, and sending out the instruction signal through the determined output point position.
In this regard, it should be noted that the output board determines the output point location on the output board, which belongs to the point location domain name, according to the point location domain name labeled in the instruction signal, and then sends the instruction signal through the determined output point location.
In this embodiment, since the plurality of point locations on the output board are divided into regions, the required output point location can be accurately determined according to the point location domain name labeled in the instruction signal, and the situation that the point location required by the signal of the application system is not matched with the point location divided by the RIOM, which brings about collection of error information and output to an error device can be avoided.
In a further embodiment of the above embodiment rim, the parsing unit is further configured to: and determining that the analyzed point location domain name is not in the point location domain name list, stopping sending the instruction signal marked with the point location domain name to the output board, and further stopping sending the instruction signal in time, so that the process that the output board determines the output point location according to the point location domain name is omitted, and the situation that the point location required by the signal of the application system is not matched with the point location divided by the RIOM, so that error information is collected and output to wrong equipment is further avoided.
Fig. 3 shows a schematic flow chart of a train remote input/output processing method based on the train remote input/output module according to an embodiment of the present invention, and referring to fig. 3, the method includes:
s11, acquiring the acquired data signal according to the point position domain on the input board through the input board;
s12, performing domain coding on the data signal through a control panel to generate an application signal, and issuing the application signal to a train control network; performing domain analysis on a control signal received from the train control network to generate an instruction signal, and sending the instruction signal to the output board;
and S13, outputting the command signal through the output board according to the dot bit field on the output board.
In a further embodiment of the method of the above embodiment, the control board performs domain coding on the data signal to generate an application signal, and the application signal is issued to a train control network; and receiving a control signal from a train control network, performing domain analysis to generate an instruction signal, and sending the instruction signal to the output board, wherein the instruction signal comprises:
carrying out point location number identification on the data signal, and determining a point location domain name according to the identified point location number;
coding the data signal according to the point location domain name to generate an application signal, and issuing the application signal into a train control network, wherein the application signal is an application signal marked with the point location domain name and suitable for network transmission;
and performing domain analysis on the control signal to generate an instruction signal of a domain name marked with a point location, and sending the instruction signal to the output board.
In a further embodiment of the method of the above embodiments, outputting the command signal through an output board according to a dot bit field on the output board includes:
and determining an output point location according to the point location domain name, and sending the instruction signal through the determined output point location.
In a further embodiment of the above embodiment method, further comprising: and determining that the analyzed point location domain name is not in the point location domain name list, and stopping sending an instruction signal for marking the point location domain name to the output board.
Since the principle of the method according to the embodiment of the present invention is the same as that of the device according to the embodiment, further detailed explanation is omitted here.
According to the train remote input and output processing method provided by the embodiment of the invention, the input point location and the output point location are subjected to domain division according to different application systems, so that a plurality of application systems can share one RIOM, and idle input or output point locations are reduced, thereby simplifying the wiring difficulty and improving the utilization rate of the RIOM point location by a train system.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should 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 (7)
1. A train remote input and output module is characterized by comprising a control board, a power board, an input board and/or an output board, wherein the input point of the input board is divided into a plurality of point domains on a logic level according to different train application systems, each point domain corresponds to different application system types, the output point of the output board is divided into a plurality of point domains on the logic level according to different train application systems, and each point domain corresponds to different application system types; wherein:
the input board is used for inputting the acquired data signals according to a point bit field on the input board;
the control panel is used for carrying out domain coding on the data signals to generate application signals and issuing the application signals to a train control network; the system is also used for carrying out domain analysis on a control signal received from a train control network to generate an instruction signal and sending the instruction signal to the output board;
the output board is used for outputting the instruction signal according to the point area on the output board;
wherein the control board comprises an identification unit, an encoding unit and an analysis unit, wherein:
the identification unit is used for identifying the point location number of the data signal and determining a point location domain name according to the identified point location number;
the encoding unit is used for encoding the data signal according to the point location domain name to generate an application signal and issuing the application signal to the train control network, wherein the application signal is an application signal which is marked with the point location domain name and is suitable for network transmission;
and the analysis unit is used for carrying out domain analysis on the control signal, generating an instruction signal of the domain name marked with the point location and sending the instruction signal to the output board.
2. The train remote input output module of claim 1, wherein the output plate is specifically configured to: and determining an output point location according to the point location domain name, and sending the instruction signal through the determined output point location.
3. The train remote input output module of claim 1, wherein the parsing unit is further configured to:
and determining that the analyzed point location domain name is not in the point location domain name list, and stopping sending an instruction signal for marking the point location domain name to the output board.
4. A train remote input/output processing method based on the train remote input/output module according to any one of claims 1 to 3, comprising:
acquiring the acquired data signals through an input board according to a point bit field on the input board;
carrying out domain coding on the data signal through a control panel to generate an application signal, and issuing the application signal to a train control network; performing domain analysis on a control signal received from a train control network to generate an instruction signal, and sending the instruction signal to the output board;
and outputting the instruction signal through an output board according to the dot bit field on the output board.
5. The train remote input and output processing method according to claim 4, wherein the data signal is domain-coded by the control board to generate an application signal, and the application signal is issued to a train control network; and receiving a control signal from a train control network, performing domain analysis to generate an instruction signal, and sending the instruction signal to the output board, wherein the instruction signal comprises:
carrying out point location number identification on the data signal, and determining a point location domain name according to the identified point location number;
coding the data signal according to the point location domain name to generate an application signal, and issuing the application signal into a train control network, wherein the application signal is an application signal marked with the point location domain name and suitable for network transmission;
and performing domain analysis on the control signal to generate an instruction signal of a domain name marked with a point location, and sending the instruction signal to the output board.
6. The train remote input/output processing method according to claim 5, wherein the outputting the command signal by the output board according to the dot field on the output board comprises:
and determining an output point location according to the point location domain name, and sending the instruction signal through the determined output point location.
7. The train remote input/output processing method according to claim 5, further comprising: and determining that the analyzed point location domain name is not in the point location domain name list, and stopping sending an instruction signal for marking the point location domain name to the output board.
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