CN115384583A - Low-frequency information display calculation method of train control interlocking integrated maintenance terminal - Google Patents

Low-frequency information display calculation method of train control interlocking integrated maintenance terminal Download PDF

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Publication number
CN115384583A
CN115384583A CN202210942781.0A CN202210942781A CN115384583A CN 115384583 A CN115384583 A CN 115384583A CN 202210942781 A CN202210942781 A CN 202210942781A CN 115384583 A CN115384583 A CN 115384583A
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low
frequency
section
information
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CN115384583B (en
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张小维
崔晓丹
李新新
张炳坤
王强
张浩淼
李宏洋
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Casco Signal Ltd
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Casco Signal Ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • 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
    • B61L27/50—Trackside diagnosis or maintenance, e.g. software upgrades
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • 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
    • B61L27/50—Trackside diagnosis or maintenance, e.g. software upgrades
    • B61L27/53—Trackside diagnosis or maintenance, e.g. software upgrades for trackside elements or systems, e.g. trackside supervision of trackside control system conditions
    • 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
    • B61L5/12—Visible signals

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • General Health & Medical Sciences (AREA)
  • Train Traffic Observation, Control, And Security (AREA)

Abstract

The invention discloses a low-frequency information display calculation method of a train control interlocking integrated maintenance terminal, which realizes the low-frequency information display of the maintenance terminal and comprises the following steps: the low-frequency information display calculation method comprises the following steps: acquiring input code bit information of each section of a local station, a controlled station and a domination relay station; acquiring column control numbering information of each section of the station, the controlled station and the dominating relay station; traversing all sections of the station, the controlled station and the dominating relay station, and setting the low-frequency display type of the sections according to the input code bit information and the column control number information of the sections; according to the low-frequency display type of the section, judging whether the section display is single-end code sending or double-end code sending, and judging the source of the section low-frequency information display. The invention realizes the maintenance of the diversity and the integrity of the low-frequency information display of the terminal.

Description

Low-frequency information display calculation method of train control interlocking integrated maintenance terminal
Technical Field
The invention particularly relates to a low-frequency information display calculation method of a train control interlocking integrated maintenance terminal.
Background
In the novel train control interlocking integrated maintenance terminal of the train control system, low-frequency information display is one of basic functions of the maintenance terminal, and specific requirements are listed for the low-frequency information display in technical conditions related to the train control interlocking integration of the novel train control system.
In practical application, the train control interlocking integrated maintenance terminal requires to display station yard information of a station, a controlled station and a governed relay station, and requires to display double-end code sending information under the condition that outbound signal machines at two ends of a station track in the station are all open. However, the low-frequency information content displayed on the section by the current maintenance terminal is relatively single, and generally only aims at a single-station scene and unidirectional low-frequency information display.
Based on the above problems, there is a need to improve the low-frequency display calculation method of the current maintenance terminal to be suitable for the train control interlock integrated maintenance terminal of the novel train control system.
Disclosure of Invention
The invention aims to provide a low-frequency information display calculation method of a train control interlocking integrated maintenance terminal, which realizes the low-frequency information display of the novel train control interlocking integrated maintenance terminal of a train control system and comprises the low-frequency information display, single-end code sending display and double-end code sending display of a local station, a controlled station and a dominating relay station.
In order to achieve the above object, the present invention provides a low frequency information display calculation method for a train control interlocking integrated maintenance terminal, which realizes the low frequency information display of the maintenance terminal, and comprises: the low-frequency information display calculation method comprises the following steps: acquiring input code bit information of each section of a local station, a controlled station and a dominating relay station; acquiring column control numbering information of each section of the station, the controlled station and the dominating relay station; traversing each section of the local station, the controlled station and the administration relay station, and setting the low-frequency display type of the section according to the input code bit information and the column control number information of the section; according to the low-frequency display type of the section, judging whether the section display is single-end code sending or double-end code sending, and judging the source of the section low-frequency information display.
The DEFAULT setting section low frequency display type is the DEFAULT type LFREQ _ FROM _ DEFAULT.
The input code bit information of each section comprises: single-ended code sending low frequency input code bits; low frequency input code bits of the double-ended code; low frequency direction input code bits.
Displaying a section of single-ended code sending, wherein the input code bit information does not contain low-frequency input code bits of double-ended code sending; and displaying a section of double-end code sending, wherein the input code bit information does not contain the low-frequency input code bit of the single-end code sending.
The column control number information of each section comprises: a first train control number; a second column control number; when the first train control number does not exist in the section, the value of the first train control number is 0; when the second column control number does not exist in the sector, the value of the second column control number is 0.
The setting of the low-frequency display type of the section according to the input code bit information and the column control number information of the section specifically comprises: when the section input code bit information comprises any low-frequency input code bit of the double-end code sending, setting the section low-frequency display type as an electrical coding double-end code sending type LFREQ _ FROM _ CDDM2; when the section input code bit information does not contain any low-frequency input code bit of double-end code transmission and contains any low-frequency input code bit of single-end code transmission, setting the section low-frequency display type as an electric coding single-end code transmission type LFREQ _ FROM _ CDDM1; when the section input code bit information does not contain any low-frequency input code bit with double-end code sending and does not contain any low-frequency input code bit with single-end code sending, and the values of the first row control number and the second row control number of the section are both 0, setting the low-frequency display type of the section as a relay station blocking partition code sending type LFREQ _ FROM _ ZJ; and when the section input code bit information does not contain any low-frequency input code bit with double-end code transmission or any low-frequency input code bit with single-end code transmission, and the value of the first row control number or the second row control number of the section is not 0, setting the section low-frequency display type as the frequency shift track circuit code transmission type LFREQ _ FROM _ ZPW.
The sources of the low-frequency information display of the section comprise: the system comprises a relay station block partition low-frequency coding message, a frequency shift track circuit ZPW zone state message and an input and output message.
The method for judging whether the section displays single-ended code sending or double-ended code sending according to the low-frequency display type of the section and judging the source of the section low-frequency information display specifically comprises the following steps: when the section low frequency display type is the DEFAULT type LFREQ _ FROM _ DEFAULT, the section low frequency information is not displayed; when the low-frequency display type of the section is the code double-end code sending type LFREQ _ FROM _ CDDM2, the section displays low-frequency information according to a double-end code sending mode, and the source of the low-frequency information display is input and output information; when the low-frequency display type of the section is the coding single-ended code sending type LFREQ _ FROM _ CDDM1, the section displays low-frequency information according to the single-ended code sending mode, and the source of the low-frequency information display is input and output information; when the section low-frequency display type is the relay station blocking partition code sending type LFREQ _ FROM _ ZJ, the section displays low-frequency information according to a single-ended code sending mode, and the source of the low-frequency information display is relay station blocking partition low-frequency coding information; when the low-frequency display type of the section is the frequency shift track circuit code sending type LFREQ _ FROM _ ZPW, the section displays low-frequency information according to a single-end code sending mode, and the source of the low-frequency information display is a ZPW section state message.
When receiving the low-frequency coding message of the relay station block subarea, the display calculation of the zone low-frequency information of the relay station block subarea comprises the following steps: s201, traversing each block partition corresponding to the message; s202, judging whether the low-frequency display type of the current block partition is a code sending type LFREQ _ FROM _ ZJ of the relay station block partition according to the low-frequency information display calculation method, and if not, continuously traversing the next block partition; if yes, go to step S203; s203, acquiring a low-frequency value of the current block partition according to the low-frequency coding message of the block partition of the relay station; s204, acquiring the low-frequency direction of the current block subarea according to the code bit information input by the section; s205, sequentially setting low-frequency information display of all sections in the current block subarea according to the low-frequency value obtained in the step S203 and the low-frequency direction obtained in the step S204, and displaying the low-frequency information display as single-ended code sending; and S206, ending until all the sections are traversed.
Under the condition of adopting the frequency shift track circuit, when a ZPW zone status message of the frequency shift track circuit is received, the display calculation of the low-frequency information of the frequency shift track circuit zone comprises the following steps: s301, traversing the train control number corresponding to the message; s302, judging whether a column control number corresponding to a message is valid according to the ZPW zone state message of the frequency shift track circuit, and if not, continuously traversing the next column control number; if yes, go to step S303; s303, acquiring and traversing all sections corresponding to the column control numbers; s304, judging whether the step S303 finishes traversing all the sections, if so, continuously traversing the next train control number; if not, go to step S305; s305, judging whether the low-frequency display type of the current section is the frequency shift track circuit code sending type LFREQ _ FROM _ ZPW, if not, jumping to the step S303, and continuously traversing all sections; if yes, go to step S306; s306, acquiring a low-frequency value and a low-frequency direction of a zone from a ZPW zone state message according to the train control number; s307, displaying the code as a single-end code according to the low-frequency value and the low-frequency direction obtained in the step S306; and S308, ending until all the sections are traversed.
Under the condition of adopting the coding module, when receiving the input and output code bit message, the low-frequency information display calculation of the coding module section comprises the following steps: s401, traversing the message to set the state of the input code bit of each section; s402, traversing each section of the local station, the controlled station and the dominating relay station; s403, judging whether the low-frequency display type of the current section is a coding double-end code sending type LFREQ _ FROM _ CDDM2, if so, displaying double-end code sending according to double-end low-frequency input code bits and low-frequency direction input code bits, and continuously traversing the next section; if not, executing step S404; s404, if the low-frequency display type of the current section is a coding single-ended code sending type LFREQ _ FROM _ CDDM1, displaying the low-frequency display type as single-ended code sending according to the single-ended low-frequency input code bit and the low-frequency direction input code bit, and continuously traversing the next section; and S405, ending until all the sections are traversed.
Compared with the prior art, the invention has the following beneficial effects:
1. the method and the device can meet the requirement of calculation of the section low-frequency information display of the relay station under the condition of containing the relay station.
2. The method can meet the calculation of section low-frequency information display under the condition of adopting a frequency shift track circuit.
3. The method can meet the calculation of the section low-frequency information display under the condition of adopting a coding module.
4. The method can meet the calculation of section low-frequency information display under the conditions of single-end code sending and double-end code sending.
Drawings
FIG. 1 is a flow chart of the low frequency information display type calculation of the present invention;
FIG. 2 is a flow chart of the calculation of the low frequency information display of the block partition of the relay station according to the present invention;
FIG. 3 is a flow chart of the low frequency information display calculation of the circuit section of the frequency shift track according to the present invention;
FIG. 4 is a flow chart of the low frequency information display calculation of the coding module section of the present invention.
Detailed Description
The technical contents, construction features, and objects and effects achieved by the present invention will be described in detail through preferred embodiments with reference to the accompanying drawings.
It should be noted that the drawings are simplified and not to precise scale, so that the drawings are provided for convenience and clarity in describing the embodiments of the present invention and are not intended to limit the scope of the embodiments of the present invention.
It is to be noted that, in the present invention, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The invention provides a low-frequency information display calculation method of a train control interlocking integrated maintenance terminal, which realizes low-frequency information display of the train control interlocking integrated maintenance terminal aiming at a novel train control system, wherein the train control interlocking integrated maintenance terminal governs a plurality of stations, the stations can be divided into one station and a plurality of controlled stations, a relay station is arranged between the station and each controlled station, and the low-frequency information display specifically comprises the following steps: the station yard information display of the station, the controlled station and the dominating relay station is single-end code sending display and double-end code sending display respectively, as shown in fig. 1, the low frequency information display calculation method comprises the following steps:
s101, in the initialization process of a maintenance terminal, obtaining input code bit information of each section of a station, a controlled station and a domination relay station, and the method comprises the following steps: the code comprises a low-frequency input code bit of single-end code sending, a low-frequency input code bit of double-end code sending and a low-frequency direction input code bit.
It should be noted that, for the section displaying single-ended code sending, the input code bit information does not include the low-frequency input code bit of the double-ended code sending; for the section displaying double-end code sending, the input code bit information does not contain the low-frequency input code bit of single-end code sending.
S102, acquiring column control numbering information of the station, the controlled station and each zone of the dominating relay station, comprising the following steps: a first column control number (hereinafter simply referred to as "column control number 1") and a second column control number (hereinafter simply referred to as "column control number 2").
It should be noted that, when a certain column control number does not exist in a certain section, the corresponding column control number value is 0, that is, when the column control number 1 does not exist in the section, the column control number 1 value is 0; when the column control number 2 does not exist in the sector, the value of the column control number 2 is 0.
S103, traversing each section of the local station, the controlled station and the dominating relay station, setting the low-frequency display type of the current section according to the input code bit information and the column control number information of the current section, and setting the low-frequency display type of the section as a DEFAULT type LFREQ _ FROM _ DEFAULT by DEFAULT.
S104, judging whether the input code bit information of the current section contains any low-frequency input code bit with double-end code sending, if so, setting the low-frequency display type of the section as an electric coding double-end code sending type LFREQ _ FROM _ CDDM2, and returning to the step S103 to continuously traverse the next section; if not, go to step S105.
S105, judging whether the input code bit information of the current section contains a low-frequency input code bit of any single-ended code transmission, if so, setting the low-frequency display type of the section to be an electric coding single-ended code transmission type LFREQ _ FROM _ CDDM1, and returning to the step S103 to continuously traverse the next section; if not, go to step S106.
S106, judging whether the values of the train control number 1 and the train control number 2 of the section are 0 at the same time, if so, setting the low-frequency display type of the section as a relay station blocking partition code sending type LFREQ _ FROM _ ZJ, and returning to the step S103 to continuously traverse the next section; if not, setting the low-frequency display type of the section as a frequency shift track circuit code sending type LFREQ _ FROM _ ZPW.
And S107, after all the sections are traversed, further judging whether the sections display single-ended code sending or double-ended code sending according to the low-frequency display type of the sections, and judging the source of the low-frequency information display of the sections.
Specifically, the sources of the display of the low-frequency information of the sections include: the method comprises the following steps of low-frequency coding information of a blocking partition of a relay station, zone status information of a frequency shift track circuit ZPW, and input and output information.
Specifically, when the section low frequency display type is the DEFAULT type LFREQ _ FROM _ DEFAULT, the section low frequency information is not displayed.
When the section low-frequency display type is the coded double-end code sending type LFREQ _ FROM _ CDDM2, the section displays low-frequency information in a double-end code sending mode, and the source of the low-frequency information display is input and output information.
When the low-frequency display type of the section is the coding single-ended code sending type LFREQ _ FROM _ CDDM1, the section displays low-frequency information according to a single-ended code sending mode, and the source of the low-frequency information display is input and output information.
When the section low-frequency display type is the relay station blocking partition code sending type LFREQ _ FROM _ ZJ, the section displays low-frequency information according to a single-ended code sending mode, and the source of the low-frequency information display is relay station blocking partition low-frequency coded information.
When the low-frequency display type of the section is the frequency shift track circuit code sending type LFREQ _ FROM _ ZPW, the section displays low-frequency information according to a single-end code sending mode, and the source of the low-frequency information display is a ZPW section state message.
Further, in the case of including a relay station, when receiving a low frequency coding message of a relay station block zone, as shown in fig. 2, the calculation for displaying the zone low frequency information of the relay station block zone includes the following steps:
s201, when the low-frequency coding message of the blocking partition of the relay station is received, traversing each blocking partition corresponding to the message.
S202, judging whether the low-frequency display type of the current block partition is a code sending type LFREQ _ FROM _ ZJ of the relay station block partition according to the low-frequency information display calculation method, and if not, returning to the step S201 and continuously traversing the next block partition; if yes, go to step S203.
And S203, acquiring a low-frequency value of the current block partition according to the low-frequency coding message of the block partition of the relay station.
And S204, acquiring the low-frequency direction of the current block subarea according to the code bit information input by the section.
S205, sequentially setting low-frequency information display of all sections in the current block subarea according to the low-frequency value obtained in the step S203 and the low-frequency direction obtained in the step S204, and displaying the low-frequency information display as single-ended code sending; returning to the step S201, the next block partition is continuously traversed.
And S206, ending the process until all the block partitions are traversed.
Further, in the case of using the frequency shift track circuit, when receiving the ZPW section status message, as shown in fig. 3, the calculation of displaying the low frequency information of the frequency shift track circuit section includes the following steps:
s301, traversing each train control number corresponding to the message when receiving the ZPW zone state message.
S302, judging whether the value of the column control number 1 or the value of the column control number 2 corresponding to the ZPW zone state message is not 0 according to the ZPW zone state message, returning to the step S301 only when the value of the column control number 1 and the value of the column control number 2 are both 0, and continuously traversing the next column control number; otherwise, step S303 is executed.
S303, all sections corresponding to the column control number are obtained, and all sections corresponding to the column control number are traversed.
S304, judging whether the step S303 finishes traversing all the sections, if so, returning to the step S301, and continuously traversing the next train control number; if not, go to step S305.
S305, judging whether the low-frequency display type of the current section is a frequency shift track circuit code sending type LFREQ _ FROM _ ZPW, if not, returning to the step S303, and continuously traversing all sections; if yes, go to step S306.
S306, acquiring a low-frequency value and a low-frequency direction of the zone from the ZPW zone state message according to the train control number.
S307, displaying the code as a single-end code according to the low-frequency value and the low-frequency direction obtained in the step S306; returning to the step S303, all the sections are continuously traversed.
And S308, ending until all column control numbering traversals are completed.
Further, in the case of using the coding module, when receiving an input/output code bit message, as shown in fig. 4, the low frequency information display calculation in the coding module section includes the following steps:
s401, when receiving the input and output code bit message, traversing the message to set the input code bit state of each section.
S402, traversing each section of the local station, the controlled station and the administered relay station.
S403, judging whether the low-frequency display type of the current section is a coded double-end code sending type LFREQ _ FROM _ CDDM2, if so, displaying the low-frequency display type of the current section as double-end code sending according to double-end low-frequency input code bits and low-frequency direction input code bits, and returning to the step S402 to continuously traverse the next section; if not, go to step S404.
And S404, if the low-frequency display type of the current section is the coded single-ended code transmitting type LFREQ _ FROM _ CDDM1, displaying the current section as a single-ended code transmitting according to the single-ended low-frequency input code bits and the low-frequency direction input code bits, and returning to the step S402 to continuously traverse the next section.
And S405, ending until all the sections are traversed.
In summary, compared with the prior art, the low frequency information display calculation method for the train control interlocking integrated maintenance terminal provided by the invention can display the station field information of the station, the controlled station and the administered relay station, so that the low frequency information displayed on the section by the maintenance terminal is rich in content, and single-end code sending information or double-end code sending information can be displayed.
While the present invention has been described in detail with reference to the preferred embodiments, it should be understood that the above description should not be taken as limiting the invention. Various modifications and alterations to this invention will become apparent to those skilled in the art upon reading the foregoing description. Accordingly, the scope of the invention should be determined from the following claims.

Claims (11)

1. A low-frequency information display calculation method of a train control interlocking integrated maintenance terminal is characterized in that low-frequency information display of the maintenance terminal is achieved, and the method comprises the following steps: the low-frequency information display calculation method comprises the following steps:
acquiring input code bit information of each section of a local station, a controlled station and a dominating relay station;
acquiring column control numbering information of each section of the station, the controlled station and the dominating relay station;
traversing each section of the local station, the controlled station and the administration relay station, and setting the low-frequency display type of the section according to the input code bit information and the column control number information of the section;
according to the low-frequency display type of the section, judging whether the section display is single-end code sending or double-end code sending, and judging the source of the section low-frequency information display.
2. The method for calculating the low-frequency information display of the train control interlocking integrated maintenance terminal according to claim 1, wherein the zone low-frequency display type is set to a DEFAULT type LFREQ _ FROM _ DEFAULT.
3. The method for displaying and calculating the low-frequency information of the train control interlocking integrated maintenance terminal according to claim 2, wherein the input code bit information of each section comprises:
single-ended code sending low frequency input code bits;
low frequency input code bits of the double-ended code;
low frequency direction input code bits.
4. The method for displaying and calculating the low-frequency information of the train control interlocking integrated maintenance terminal according to claim 3, characterized by displaying a section with single-ended code sending, wherein the input code bit information does not contain low-frequency input code bits with double-ended code sending; and displaying a section of double-end code sending, wherein the input code bit information does not contain the low-frequency input code bit of single-end code sending.
5. The method for displaying and calculating the low-frequency information of the train control interlocking integrated maintenance terminal according to claim 3, wherein the train control number information of each section comprises:
a first train control number;
a second column control number;
when the first train control number does not exist in the section, the value of the first train control number is 0;
when the second column control number does not exist in the sector, the value of the second column control number is 0.
6. The method for displaying and calculating the low-frequency information of the integrated train control interlocking maintenance terminal according to claim 4, wherein the setting of the low-frequency display type of the section according to the input code bit information and the train control number information of the section specifically comprises:
when the section input code bit information comprises any low-frequency input code bit of the double-end code sending, setting the section low-frequency display type as an electrical coding double-end code sending type LFREQ _ FROM _ CDDM2;
when the section input code bit information does not contain any low-frequency input code bit of double-end code transmission and contains any low-frequency input code bit of single-end code transmission, setting the section low-frequency display type as an electric coding single-end code transmission type LFREQ _ FROM _ CDDM1;
when the section input code bit information does not contain any low-frequency input code bit with double-end code sending and does not contain any low-frequency input code bit with single-end code sending, and the values of the first row control number and the second row control number of the section are both 0, setting the low-frequency display type of the section as a relay station blocking partition code sending type LFREQ _ FROM _ ZJ;
and when the section input code bit information does not contain any low-frequency input code bit with double-end code sending or any low-frequency input code bit with single-end code sending, and the value of the first row control number or the second row control number of the section is not 0, setting the low-frequency display type of the section as the frequency shift track circuit code sending type LFREQ _ FROM _ ZPW.
7. The method for calculating the low-frequency information display of the train control interlocking integrated maintenance terminal according to claim 5, wherein the sources of the low-frequency information display of the sections comprise: the method comprises the following steps of low-frequency coding information of a blocking partition of a relay station, zone status information of a frequency shift track circuit ZPW, and input and output information.
8. The method for calculating the low-frequency information display of the train control interlocking integrated maintenance terminal according to claim 6, wherein the determining whether the section displays the single-ended code or the double-ended code according to the low-frequency display type of the section and the determining the source of the section low-frequency information display specifically comprises:
when the section low-frequency display type is the DEFAULT type LFREQ _ FROM _ DEFAULT, the section low-frequency information is not displayed;
when the low-frequency display type of the section is the code double-end code sending type LFREQ _ FROM _ CDDM2, the section displays low-frequency information according to a double-end code sending mode, and the source of the low-frequency information display is input and output information;
when the low-frequency display type of the section is the coding single-ended code sending type LFREQ _ FROM _ CDDM1, the section displays low-frequency information according to the single-ended code sending mode, and the source of the low-frequency information display is input and output information;
when the section low-frequency display type is the relay station blocking partition code sending type LFREQ _ FROM _ ZJ, the section displays low-frequency information according to a single-ended code sending mode, and the source of the low-frequency information display is relay station blocking partition low-frequency coding information;
when the section low-frequency display type is the frequency shift track circuit code sending type LFREQ _ FROM _ ZPW, the section displays low-frequency information in a single-ended code sending mode, and the source of the low-frequency information display is a frequency shift track circuit ZPW section state message.
9. The method for displaying and calculating the low-frequency information of the train control interlocking integrated maintenance terminal according to claim 7, wherein when receiving the low-frequency coding message of the relay station block partition, the calculation for displaying the zone low-frequency information of the relay station block partition comprises the following steps:
s201, traversing each block partition corresponding to the message;
s202, judging whether the low-frequency display type of the current block partition is a relay station block partition code sending type LFREQ _ FROM _ ZJ or not according to the low-frequency information display calculation method, and if not, continuously traversing the next block partition; if yes, go to step S203;
s203, acquiring a low-frequency value of the current block partition according to the low-frequency coding message of the block partition of the relay station;
s204, acquiring the low-frequency direction of the current block subarea according to the code bit information input by the section;
s205, sequentially setting low-frequency information display of all sections in the current block subarea according to the low-frequency value obtained in the step S203 and the low-frequency direction obtained in the step S204, and displaying the low-frequency information display as single-ended code sending;
and S206, ending until all the sections are traversed.
10. The method for displaying and calculating the low-frequency information of the train control interlocking integrated maintenance terminal according to claim 7, wherein in the case of adopting a frequency-shifting track circuit, when a ZPW zone status message of the frequency-shifting track circuit is received, the display calculation of the low-frequency information of the frequency-shifting track circuit zone comprises the following steps:
s301, traversing the train control number corresponding to the message;
s302, judging whether the value of the first row control number or the second row control number corresponding to the ZPW zone state message is not 0 or not according to the ZPW zone state message, and returning to the step S301 to continuously traverse the next row control number only if the value of the first row control number and the value of the second row control number are both 0; if yes, go to step S303;
s303, acquiring and traversing all sections corresponding to the column control numbers;
s304, judging whether the step S303 finishes traversing all the sections, if so, continuously traversing the next train control number; if not, executing step S305;
s305, judging whether the low-frequency display type of the current section is the frequency shift track circuit code sending type LFREQ _ FROM _ ZPW, if not, returning to the step S303, and continuously traversing all sections; if yes, go to step S306;
s306, acquiring a low-frequency value and a low-frequency direction of a zone from a ZPW zone state message according to the train control number;
s307, displaying the code as a single-end code sending according to the low-frequency value and the low-frequency direction obtained in the step S306;
and S308, ending until all the sections are traversed.
11. The method for displaying and calculating the low-frequency information of the train control interlocking integrated maintenance terminal according to claim 7, wherein in the case of adopting the coding module, when the input and output code bit message is received, the low-frequency information displaying and calculating of the coding module section comprises the following steps:
s401, traversing the message to set the state of the input code bit of each section;
s402, traversing each section of the local station, the controlled station and the dominating relay station;
s403, judging whether the low-frequency display type of the current section is a coding double-end code sending type LFREQ _ FROM _ CDDM2, if so, displaying the low-frequency display type as double-end code sending according to double-end low-frequency input code bits and low-frequency direction input code bits, and continuously traversing the next section; if not, executing step S404;
s404, if the low-frequency display type of the current section is the coding single-ended code sending type LFREQ _ FROM _ CDDM1, displaying the low-frequency display type as single-ended code sending according to the single-ended low-frequency input code bits and the low-frequency direction input code bits, and continuously traversing the next section;
and S405, ending until all the sections are traversed.
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