CN113064395A - Digital implementation system for track circuit adjustment configuration process - Google Patents
Digital implementation system for track circuit adjustment configuration process Download PDFInfo
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- CN113064395A CN113064395A CN202110616431.0A CN202110616431A CN113064395A CN 113064395 A CN113064395 A CN 113064395A CN 202110616431 A CN202110616431 A CN 202110616431A CN 113064395 A CN113064395 A CN 113064395A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM]
- G05B19/41865—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM] characterised by job scheduling, process planning, material flow
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- G—PHYSICS
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- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/30—Nc systems
- G05B2219/32—Operator till task planning
- G05B2219/32252—Scheduling production, machining, job shop
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
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Abstract
The invention belongs to the field of track circuits, and particularly discloses a digital implementation system for a track circuit adjusting and configuring process. The digital realization system comprises an operation terminal, a field storage server and a plurality of groups of transceiving units; the multiple groups of the receiving and sending units are connected with the field storage server through a field bus, and the field storage server is in data communication with the operation terminal; the transmitting and receiving unit comprises a track circuit transmitter and a track circuit receiver; the field storage server is used for receiving the adjustment and configuration information of the operation terminal and sending related adjustment and configuration information to the track circuit sender and receiver; the operation terminal is used for receiving adjustment and configuration information input by personnel operation and controlling the field storage server. The invention can realize digital adjustment in the process of adjusting and configuring the track circuit.
Description
Technical Field
The invention belongs to the field of track circuits, and particularly relates to a digital implementation system for a track circuit adjusting and configuring process.
Background
The track circuit realizes the idle occupation check of the section, and is a basic safety function in the railway train operation control. In order to ensure that the track circuit system can reliably output idle information in a section without vehicle occupation and ensure that occupation information is output in a section with the vehicle occupation under various field operating conditions (comprising different section lengths, different working carrier frequencies, different cable lengths, different ballast bed resistances and the like), the track circuit system introduces an adjustment concept. The adjustment is realized by setting parameters such as transmitting level, receiving level, cable compensation length, transmission transformation ratio and the like, and the rail circuit equipment can work under uniform working parameters through the adjustment.
In the field startup debugging stage and when external conditions change in the application process, the track circuit system needs to be adjusted. Furthermore, the track circuit device is generally designed in a general manner, and its normal operation requires acquiring necessary condition information from the interface, for example, necessary carrier frequency information needs to be configured for the transmitter and the receiver.
In actual operation, the 'cable compensation length and transmission transformation ratio' are only adjusted during opening and debugging, and the probability of readjustment in the application process is extremely low. The adjustment operation of the "transmission level and the reception level" is heavy and there is also an adjustment requirement in the operation stage. In order to realize the adjustment of the sending level and the receiving level, the general adjustment method at the present stage is realized by manually modifying the wiring of the equipment interface terminal, namely that constructors or field maintenance personnel are required to arrive at the equipment field and manually modify the wiring. For example, both the transmit and receive levels are implemented using variable ratio transformers, the adjustment of which requires manual modification. The method of manually modifying the connecting line has the following disadvantages: 1) the number of wires is large, and the adjustment is complex; 2) manual operation is adopted, digital remote control is not supported, and errors are easy to occur; 3) the efficiency is low, and the requirement of emergency adjustment cannot be met; 4) the integration level of equipment is low, and a large number of wires are used in the cabinet, so that the number of fault points is increased, and particularly poor contact caused by oxidation of wire joints frequently occurs. Therefore, a digital implementation system for the track circuit adjustment configuration process is urgently needed.
Disclosure of Invention
Aiming at the problems, the invention discloses a digitization realization system for a track circuit adjustment configuration process, which comprises an operation terminal, a field storage server and a plurality of groups of transceiving units;
the multiple groups of the receiving and sending units are connected with the field storage server through a field bus, and the field storage server is in data communication with the operation terminal;
the transmitting and receiving unit comprises a track circuit transmitter and a track circuit receiver;
the field storage server is used for receiving the adjustment and configuration information of the operation terminal and sending related adjustment and configuration information to the track circuit sender and receiver;
the operation terminal is used for receiving adjustment and configuration information input by personnel operation and controlling the field storage server;
in the digital implementation system, the field storage server can acquire the adjustment and configuration information of the track circuit in a safe manner, store the adjustment and configuration information into the internal memory, and provide the adjustment and configuration information to the transceiver unit according to the agreed protocol.
Further, the operation terminal comprises a field operation terminal and a remote operation terminal;
the field operation terminal is communicated with the field storage server, and the remote control terminal is communicated with the field operation terminal or directly communicated with the field storage server, so that a remote control function is realized.
Furthermore, the multiple groups of transceiving units are connected with a communication interface device through a bus, and the communication interface device is connected with the field storage server.
Furthermore, the mode of acquiring the adjustment and configuration information by the field storage server comprises using a special network, using a special interface and using a storage device;
wherein the storage device is used to update information for the purpose of writing the adjustment, configuration information to the storage device in advance, and replacing the replaceable storage device in the field.
Furthermore, the remote operation terminal generates adjustment and configuration information with different formats through double software, attaches identification and verification information, and adopts a two-out-of-two comparison principle in the whole process of information writing, storing and reading.
Furthermore, the digital implementation system adopts the whole process to store records and adopts the authority verification and the password verification to prevent malicious intrusion.
Furthermore, the digital implementation system adopts a specific communication protocol, wherein the specific communication protocol comprises that the field storage server sends the adjustment information and the configuration information at a fixed period, but the track circuit sender and the track circuit receiver only use the adjustment and configuration information on the bus when starting up and receiving an information updating command, and otherwise, directly use the information stored in the memory and continuously check the memory information.
Furthermore, when updating the equipment adjustment information and the configuration information, strict response communication mechanisms are adopted between the field storage server and the control terminal and between the field storage server and the track circuit equipment.
Furthermore, the track circuit sends level digital adjustment and adopts output information characteristic safety return inspection, and the whole system adopts a reactive fault safety architecture.
Further, the track circuit transmitter acquires transmission level adjustment information through a communication interface, the transmission level adjustment information is transmitted to a control center, and the control center controls a waveform generator to output signals, sequentially passes through a power amplifier and a fixed transformation ratio transformer, and finally outputs transmitter signals according with the transmission level adjustment information;
the control center also controls the digital control voltage regulator to regulate the signal voltage input to the power amplifier through a digital control command, and transmits an output signal back to the control center before the signal is output for safety return inspection.
Furthermore, the control center controls the waveform generator to output signals and sequentially passes through the power amplifier, the variable-ratio transformer and the electronic switch matrix, the control center controls the electronic switch matrix through a numerical control command to adjust the ratio of the variable-ratio transformer, and before the signals are output, the output signals are transmitted back to the control center for safety return inspection.
Further, the track circuit receiving level digital adjustment adopts an analog-digital converter with a sufficient dynamic range to perform analog-digital conversion on the track circuit receiving end signal, and then performs scaling operation on the receiving end signal in a digital domain according to the receiving level adjustment information acquired from the communication interface, so as to realize receiving level digital adjustment.
The invention has the advantages of realizing digital adjustment of the track circuit in the adjustment configuration process and ensuring the corresponding information safety.
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 diagram illustrating a digital implementation system architecture of a track circuit adjustment configuration process according to an embodiment of the present invention;
FIGS. 2 and 3 are block diagrams illustrating the structure of the track circuit transmit level digital adjustment according to an embodiment of the present invention;
fig. 4 is a block diagram illustrating the structure of the digital adjustment of the reception level 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 invention discloses a digital implementation system for a track circuit adjustment configuration process, which comprises an operation terminal, a field storage server and a plurality of groups of transceiving units, as shown in figure 1. The multiple groups of the receiving and sending units are connected with the field storage server through a field bus, and the field storage server is in data communication with the operation terminal. Preferably, in order to increase the integration level of the system, the plurality of sets of transceiver units are connected to the communication interface device through the bus, and the communication interface device is connected to the field storage server.
The operation terminal is used for receiving adjustment and configuration information input by an operator. Specifically, the operation terminal includes a field operation terminal and a remote operation terminal. Illustratively, the digital implementation system comprises one of a field operation terminal and a remote operation terminal, and the field operation terminal or the remote operation terminal is in data communication with the field storage server; preferably, in order to implement the digital implementation system, the field operation terminal is in communication with the field storage server, and the remote control terminal is in communication with the field operation terminal or directly in communication with the field storage server, so as to implement a remote control function.
The receiving and transmitting unit comprises a track circuit transmitter and a track circuit receiver, and the field storage server is used for receiving the adjustment and configuration information of the operation terminal and transmitting the relevant adjustment and configuration information to the track circuit transmitter and the track circuit receiver.
Specifically, for the track circuit transmitter, the adjustment information refers to a transmission level, and the configuration information refers to signal carrier frequency and low-frequency information; for the track circuit receiver, the adjustment information refers to a receiving level, and the configuration information refers to signal carrier frequency and low frequency information. The adjustment information is used to ensure that the device is suitable for different working environments in the field. E.g., different lengths of track circuit sections, different track beds; the configuration information is used to set the track circuit device to operate at a desired signal frequency.
In the digital implementation system, the field storage server can acquire the adjustment and configuration information of the track circuit in a safe manner, store the adjustment and configuration information into the internal memory, and provide the adjustment and configuration information to the transceiver unit according to a convention protocol at a fixed period. Specifically, the operation of acquiring the adjustment and configuration information of the track circuit in a safe manner includes checking the adjustment and configuration information sent by the operation terminal, identifying only the information passing the checking, storing the checking information during information storage, and periodically checking.
Specifically, the on-site storage server may acquire adjustment and configuration information in various ways. Illustratively, the on-site storage server obtains the adjustment and configuration information of the remote operation terminal through a private network. Illustratively, the field storage server receives the setting information of the field operation terminal through a dedicated interface. Illustratively, the information is updated using the storage device, specifically, by writing the adjustment and configuration information to the storage device in advance and replacing the replaceable storage device in the field. Specifically, the storage device may be a usb disk, a hard disk, or the like.
The digital implementation system of the track circuit adjustment configuration process needs to meet safety requirements, including functional safety and information safety.
In order to guarantee the functional safety, the remote operation terminal and the field operation terminal generate adjustment and configuration information with different formats through double software, information such as identification, inspection and the like is added to the adjustment and configuration information, a two-out-of-two comparison principle is adopted in the whole processes of information writing, storing, reading and the like, the correct information is guaranteed to be provided for correct equipment, and the error setting and the error writing of the adjustment and configuration information are effectively prevented. Specifically, the purpose of generating the adjustment and configuration information in different formats by using the double software is to prevent input errors, and the adjustment and configuration information is transmitted by adopting different interface input sequences and internal codes.
In order to guarantee information security, the digital implementation system adopts means such as whole-process storage record, authority verification, password verification and the like to prevent malicious intrusion, and ensures that the digital implementation system only receives authorized operation commands, namely the digital implementation system only receives operation commands which have inspection information and pass verification.
After using redundant tuning, configuration information, the digitization implementation system needs to exclude outdated information through a specific communication protocol. Specifically, the on-site storage server is included to send the adjustment information and the configuration information at a fixed period, but the track circuit transmitter and the track circuit receiver only use the adjustment and configuration information on the bus when the on-site storage server is started and receives an information update command, otherwise, the information stored in the memory is directly used, and the memory information is continuously checked.
Furthermore, when the equipment adjustment information and the configuration information are updated, a strict response communication mechanism is adopted among the field storage server, the remote control terminal and the field operation terminal, so that the information is accurately stored. Specifically, the strict response communication mechanism means that after the operating terminal sends new adjustment and configuration information to the field storage server, it needs to wait for correctly receiving information returned by the field storage server to determine that the new adjustment and configuration information is correctly received, and otherwise, it should send again and wait for confirmation again.
Furthermore, in order to realize digital adjustment, the rail circuit transmission level digital adjustment adopts output information characteristic safety return inspection, and a reaction type fault safety framework is adopted as a whole.
Illustratively, as shown in fig. 2, the track circuit transmitter acquires transmission level adjustment information through a communication interface, the transmission level adjustment information is transmitted to a control center, and the control center controls the waveform generator to output a signal sequentially through a power amplifier and a fixed-ratio transformer, and finally outputs a transmitter signal according with the transmission level adjustment information.
The control center also controls the digital control voltage regulator to regulate the signal voltage input to the power amplifier through a digital control command, and transmits an output signal back to the control center for safety return inspection before the signal is output. Specifically, the control center is a control center with a 2-out-of-2 architecture, and the power amplifier has a fixed gain. The transmission level adjustment in such a manner can realize continuous stepless adjustment.
For example, as shown in fig. 3, the control center controls the waveform generator to output signals through the power amplifier, the variable ratio transformer and the electronic switch matrix, and the control center further controls the electronic switch matrix to adjust the ratio of the variable ratio transformer through a numerical control command, and before the signals are output, the output signals are transmitted back to the control center for safety retest. When the transmission level is adjusted in such a manner, the input level of the power amplifier is fixed, and the requirement on the dynamic range of the power amplifier is low.
Further, as shown in fig. 4, in order to implement digital adjustment, the track circuit receiving level digital adjustment uses an analog-to-digital converter with a sufficient dynamic range to perform analog-to-digital conversion on the track circuit receiving end signal, and then performs scaling operation on the receiving end signal in a digital domain according to the receiving level adjustment information obtained from the communication interface, so as to implement digital adjustment of the receiving level. Illustratively, the track circuit receiving end information passes through a fixed transformation ratio receiving transformer, then is converted into digital information through a large dynamic analog-digital converter, and finally the receiving level signal is subjected to scaling operation in a digital domain.
Further, carrier frequency information required by normal operation of the track circuit transmitter and the track circuit receiver can be obtained from the field storage server in a communication manner.
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 digital realization system for track circuit adjustment and configuration process is characterized in that,
the digital realization system comprises an operation terminal, a field storage server and a plurality of groups of transceiving units;
the multiple groups of the receiving and sending units are connected with the field storage server through a field bus, and the field storage server is in data communication with the operation terminal;
the transmitting and receiving unit comprises a track circuit transmitter and a track circuit receiver;
the field storage server is used for receiving the adjustment and configuration information of the operation terminal and sending related adjustment and configuration information to the track circuit sender and receiver;
the operation terminal is used for receiving adjustment and configuration information input by personnel operation and controlling the field storage server;
in the digital implementation system, the field storage server can acquire the adjustment and configuration information of the track circuit in a safe manner, store the adjustment and configuration information into the internal memory, and provide the adjustment and configuration information to the transceiver unit according to the agreed protocol.
2. The digital implementation system of claim 1,
the operation terminal comprises a field operation terminal and a remote operation terminal;
the field operation terminal is communicated with the field storage server, and the remote control terminal is communicated with the field operation terminal or directly communicated with the field storage server, so that a remote control function is realized.
3. The digital implementation system of claim 1,
the multiple groups of receiving and transmitting units are connected with communication interface equipment through a bus, and the communication interface equipment is connected with the field storage server.
4. The digital implementation system of claim 1,
the on-site storage server acquires the adjustment and configuration information in a mode of using a special network, using a special interface and using storage equipment;
wherein the storage device is used to update information for the purpose of writing the adjustment, configuration information to the storage device in advance, and replacing the replaceable storage device in the field.
5. The digital implementation system of claim 1,
the remote operation terminal generates adjustment and configuration information with different formats through double software, attaches identification and inspection information, and adopts a two-out-of-two comparison principle in the whole processes of information writing, storing and reading.
6. The digital implementation system of claim 1,
the digital implementation system adopts the whole process to store records and adopts the authority verification and the password verification to prevent malicious intrusion.
7. The digital implementation system of claim 6,
the digital realization system adopts a specific communication protocol, wherein the specific communication protocol comprises that the field storage server sends adjustment information and configuration information in a fixed period, but the track circuit sender and the track circuit receiver only use the adjustment and configuration information on a bus when starting up and receiving an information updating command, and directly use the information stored in the memory under other conditions, and continuously check the memory information.
8. The digital implementation system of claim 7,
and when the equipment adjustment information and the configuration information are updated, strict response communication mechanisms are adopted between the field storage server and the control terminal and between the field storage server and the track circuit equipment.
9. The digital implementation system of claim 1,
the track circuit transmission level digital adjustment adopts output information characteristic safety return inspection, and a reaction type fault safety framework is adopted integrally.
10. The digital implementation system of claim 9,
the track circuit transmitter acquires transmission level adjustment information through a communication interface, the transmission level adjustment information is transmitted to a control center, and the control center controls a waveform generator to output signals, sequentially passes through a power amplifier and a fixed transformation ratio transformer and finally outputs transmitter signals according with the transmission level adjustment information;
the control center also controls the digital control voltage regulator to regulate the signal voltage input to the power amplifier through a digital control command, and transmits an output signal back to the control center before the signal is output for safety return inspection.
11. The digital implementation system of claim 9,
the control center controls the waveform generator to output signals and sequentially passes through the power amplifier, the variable-ratio transformer and the electronic switch matrix, the control center controls the electronic switch matrix through a numerical control command to adjust the ratio of the variable-ratio transformer, and before the signals are output, the output signals are transmitted back to the control center for safe return inspection.
12. The digital implementation system of claim 1,
the track circuit receiving level digital adjustment adopts an analog-digital converter with sufficient dynamic range to perform analog-digital conversion on the track circuit receiving end signal, and then performs scaling operation on the receiving end signal in a digital domain according to receiving level adjustment information acquired from a communication interface, so as to realize receiving level digital adjustment.
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Effective date of registration: 20211216 Address after: 7 / F, block B, No.1 yard, Automobile Museum South Road, Fengtai Science and Technology Park, Fengtai District, Beijing 100070 Patentee after: BEIJING NATIONAL RAILWAY RESEARCH & DESIGN INSTITUTE OF SIGNAL & COMMUNICATION Co.,Ltd. Patentee after: China Railway Communication Signal Co., Ltd Address before: 7 / F, block B, No.1 yard, Automobile Museum South Road, Fengtai Science and Technology Park, Fengtai District, Beijing 100070 Patentee before: BEIJING NATIONAL RAILWAY RESEARCH & DESIGN INSTITUTE OF SIGNAL & COMMUNICATION Co.,Ltd. |