CN114454927A - Coding code-dropping automatic analysis method for in-station track circuit - Google Patents
Coding code-dropping automatic analysis method for in-station track circuit Download PDFInfo
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- CN114454927A CN114454927A CN202210041945.2A CN202210041945A CN114454927A CN 114454927 A CN114454927 A CN 114454927A CN 202210041945 A CN202210041945 A CN 202210041945A CN 114454927 A CN114454927 A CN 114454927A
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- 238000012544 monitoring process Methods 0.000 claims description 12
- 230000005540 biological transmission Effects 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 description 2
- 238000013024 troubleshooting Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L23/00—Control, warning or like safety means along the route or between vehicles or trains
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Abstract
The invention provides an in-station track circuit coding code-dropping automatic analysis method, which comprises the following steps: step 1) acquiring the states of a departure code sending relay, a receiving code sending relay, a transfer relay and a track relay in real time through signal acquisition equipment; step 2) calculating the code sending time of the coded sending current according to the working principle of the coding circuit; step 3) analyzing the current change in the code sending time period; step 4) judging whether coding transmission current exists in the time period of the code transmission opportunity; and 5) judging whether the magnitude of the coded sending current is within a normal working value range. The method solves the problem of code drop positioning caused by ground equipment failure, and makes up the blank that the code drop position cannot be determined in the traditional code drop analysis process.
Description
Technical Field
The invention relates to the field of maintenance of coding equipment of an in-station track circuit, in particular to an automatic coding and code dropping analysis method of the in-station track circuit.
Background
The in-station track circuit coding equipment realizes that the occupation information and the ground signal state of the in-station track circuit are uploaded to the vehicle-mounted equipment of the train through the steel rail, the functions of overspeed protection of the train, signal intrusion prevention and the like are realized according to the information vehicle-mounted equipment, and the in-station track circuit coding equipment conforms to the safety principle of fault guiding safety.
In field operation, the data information of the ground equipment cannot be correctly received by the vehicle-mounted equipment due to the fault of the ground equipment or the vehicle-mounted equipment, so that the code drop is commonly caused.
When code drop occurs, the fault reason and the fault position need to be found in time, and the problem of distinguishing ground equipment faults or vehicle-mounted equipment faults cannot be solved in the aspect of code drop analysis by the current signal centralized monitoring system.
In order to solve the above problems, people are always seeking an ideal technical solution.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and provides an automatic coding and code dropping analysis method for an in-station track circuit, which solves the problem of code dropping positioning caused by ground equipment faults and makes up the blank that the code dropping position cannot be determined in the traditional code dropping analysis process.
In order to achieve the purpose, the invention adopts the technical scheme that: an in-station track circuit coding code dropping automatic analysis method comprises the following steps:
step 1) acquiring the suction and falling states of a departure code sending relay, a receiving code sending relay, a transfer relay and a track relay in real time through signal acquisition equipment;
step 2) calculating the code sending time of the coded sending current according to the working principle of the coding circuit;
step 3) after the code sending time of the coded sending current is obtained, analyzing the change of the coded sending current collected by the signal centralized monitoring system in the time period of the code sending time, and judging;
step 4) judging whether a coding sending current exists in a time period of a code sending opportunity, if so, performing step 5), otherwise, judging that the code falling position is ground equipment, and sending a coding code falling alarm;
and 5) judging whether the magnitude of the coding sending current is within a normal working value range, if so, finishing the judgment, otherwise, judging that the code falling position is ground equipment, and sending a coding code falling alarm.
Based on the above, in step 3), after the code sending time of the coded sending current is obtained, the change of the coded sending current collected by the signal centralized monitoring system in the time period of the code sending time is analyzed.
Basically, the signal acquisition equipment is a signal centralized monitoring system.
Basically, in the step 2), the acquisition of the electrical coding current and the calculation of the code sending time are both automatically acquired and analyzed.
Basically, the method also comprises a step 6), if the judgment is finished, when a code-dropping fault exists, if the centralized monitoring system does not have the code-dropping alarm, the vehicle-mounted equipment needs to be checked.
Compared with the prior art, the invention has outstanding substantive characteristics and remarkable progress, and particularly realizes the judgment of the time for sending codes by the coding sending current by collecting the suction and falling states of key relays such as a sending code sending relay, a receiving code sending relay, a transfer relay, a track relay and the like according to the principle of a coding circuit. And in the time period of sending codes, analyzing the code current collected by the signal centralized monitoring system, confirming whether the code sending current exists in the code sending channel or not, confirming whether the current is in a normal working value range or not, and carrying out code dropping alarm if the conditions cannot be met.
By the method, the problem of code dropping positioning analysis is effectively solved.
Drawings
FIG. 1 is a flow chart of an automatic coding and code dropping analysis method for an in-station track circuit according to the present invention.
Detailed Description
The technical solution of the present invention is further described in detail by the following embodiments.
As shown in fig. 1, an in-station track circuit coding code-dropping automatic analysis method includes the following steps:
step 1) the suction-up and falling states of the departure code sending relay, the vehicle-receiving code sending relay, the transmission relay and the track relay are collected in real time through signal collection equipment, the signal collection equipment adopts a signal centralized monitoring system carried by an original system, and the signal centralized monitoring system can collect the suction-up and falling states of the relays.
Step 2) calculating the code sending time of the coded sending current according to the working principle of the coding circuit, wherein the process depends on a computer, and in the embodiment, when a vehicle-receiving code sending relay or a vehicle-sending code receiving relay is attracted, the coding circuit starts to work; when the transmission relay of the track circuit is sucked up, the track circuit can be pre-sent codes in advance according to the train advancing direction, or when the track circuit is occupied (the track relay can fall down), the occupied codes are sent, the code sending of the coding sending current can be brought under the two conditions, and the detection is carried out according to the flow shown in the figure 1.
And 3) after the code sending time of the coded sending current is obtained, analyzing and judging the change of the coded sending current collected by the signal centralized monitoring system in the time period of the code sending time, wherein the code sending process is substantially propagated through the change of the current, so that the signal is relatively easy to obtain.
And 4) judging whether coding sending current exists in the time period of the code sending time, if so, carrying out the step 5), otherwise, judging that the code falling position is ground equipment, and sending out coding code falling alarm, so that the possible range of code falling is determined, and the quick positioning and troubleshooting of workers are facilitated.
And 5) judging whether the magnitude of the coding sending current is within a normal working value range, if so, finishing the judgment, otherwise, judging that the code falling position is ground equipment, and sending a coding code falling alarm.
And 6), if the judgment is finished, finding that the ground equipment has no code falling problem, and if the code falling fault exists on the site, checking the vehicle-mounted equipment by site staff.
Through the operation of each step, the differentiation of ground trouble and on-vehicle trouble has been realized, has reduced the degree of difficulty for troubleshooting maintenance work, has improved efficiency.
Finally, it should be noted that the above examples are only used to illustrate the technical solutions of the present invention and not to limit the same; although the present invention has been described in detail with reference to preferred embodiments, those skilled in the art will understand that: modifications to the specific embodiments of the invention or equivalent substitutions for parts of the technical features may be made; without departing from the spirit of the present invention, it is intended to cover all aspects of the invention as defined by the appended claims.
Claims (5)
1. An automatic analysis method for code drop of a track circuit in a station in a coding manner is characterized by comprising the following steps: the method comprises the following steps:
step 1) acquiring the suction and falling states of a departure code sending relay, a receiving code sending relay, a transfer relay and a track relay in real time through signal acquisition equipment;
step 2) calculating the code sending time of the coded sending current according to the working principle of the coding circuit;
step 3) after the code sending time of the coded sending current is obtained, analyzing the change of the coded sending current collected by the signal centralized monitoring system in the time period of the code sending time, and judging;
step 4) judging whether a coding sending current exists in a time period of a code sending opportunity, if so, performing step 5), otherwise, judging that the code falling position is ground equipment, and sending a coding code falling alarm;
and 5) judging whether the magnitude of the coding sending current is within a normal working value range, if so, finishing the judgment, otherwise, judging that the code falling position is ground equipment, and sending a coding code falling alarm.
2. The method for automatically analyzing coding dropping of the in-station track circuit according to claim 1, wherein: and 3) judging the coded sending current after the code sending time of the coded sending current is obtained.
3. The method for automatically analyzing coding dropping of the in-station track circuit according to claim 2, wherein: the signal acquisition equipment is a signal centralized monitoring system.
4. The method for automatically analyzing coding dropping of the in-station track circuit according to claim 3, wherein: in the step 2), the acquisition of the electric coding current and the calculation of the code sending time are automatically analyzed.
5. The method for automatically analyzing coding dropping of the in-station track circuit according to claim 4, wherein: and 6), if the judgment is finished, when a code drop fault exists, if the centralized monitoring system does not have the code drop alarm, the vehicle-mounted equipment needs to be checked.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210041945.2A CN114454927A (en) | 2022-01-14 | 2022-01-14 | Coding code-dropping automatic analysis method for in-station track circuit |
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| CN202210041945.2A CN114454927A (en) | 2022-01-14 | 2022-01-14 | Coding code-dropping automatic analysis method for in-station track circuit |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115123339A (en) * | 2022-07-15 | 2022-09-30 | 中国铁道科学研究院集团有限公司 | Coding unit for station ground control system |
| CN115195814A (en) * | 2022-07-15 | 2022-10-18 | 中国铁道科学研究院集团有限公司 | Station ground control system and coding unit control method |
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| CN103318227A (en) * | 2013-07-02 | 2013-09-25 | 中国神华能源股份有限公司 | System and method for monitoring coding of railway main tracks |
| CN110341758A (en) * | 2019-05-31 | 2019-10-18 | 北京全路通信信号研究设计院集团有限公司 | A kind of Train control method |
| CN110341759A (en) * | 2019-05-31 | 2019-10-18 | 北京全路通信信号研究设计院集团有限公司 | A kind of station inside cord picks up control method |
| KR20190133939A (en) * | 2018-05-24 | 2019-12-04 | 한국철도공사 | Apparatus and Method for Fail-Proofing a Track Circuit |
| CN110988650A (en) * | 2019-11-22 | 2020-04-10 | 佳讯飞鸿（北京）智能科技研究院有限公司 | Track circuit state monitoring system and method |
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2022
- 2022-01-14 CN CN202210041945.2A patent/CN114454927A/en active Pending
Patent Citations (5)
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| CN103318227A (en) * | 2013-07-02 | 2013-09-25 | 中国神华能源股份有限公司 | System and method for monitoring coding of railway main tracks |
| KR20190133939A (en) * | 2018-05-24 | 2019-12-04 | 한국철도공사 | Apparatus and Method for Fail-Proofing a Track Circuit |
| CN110341758A (en) * | 2019-05-31 | 2019-10-18 | 北京全路通信信号研究设计院集团有限公司 | A kind of Train control method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115123339A (en) * | 2022-07-15 | 2022-09-30 | 中国铁道科学研究院集团有限公司 | Coding unit for station ground control system |
| CN115195814A (en) * | 2022-07-15 | 2022-10-18 | 中国铁道科学研究院集团有限公司 | Station ground control system and coding unit control method |
| CN115123339B (en) * | 2022-07-15 | 2024-01-12 | 中国铁道科学研究院集团有限公司 | Coding unit for station ground control system |
| CN115195814B (en) * | 2022-07-15 | 2024-01-12 | 中国铁道科学研究院集团有限公司 | Station ground control system and code unit control method |
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