CN109720377A - A kind of track circuit alarm limits method of adjustment - Google Patents
A kind of track circuit alarm limits method of adjustment Download PDFInfo
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- CN109720377A CN109720377A CN201811509712.0A CN201811509712A CN109720377A CN 109720377 A CN109720377 A CN 109720377A CN 201811509712 A CN201811509712 A CN 201811509712A CN 109720377 A CN109720377 A CN 109720377A
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Abstract
The present invention provides a kind of track circuit alarm limits methods of adjustment, comprising the following steps: the monitoring modular acquires in real time and stores the backbone voltage value of each track in station；If the fall of real-time collected backbone voltage value is within a preset range, and the time of the backbone voltage decline at station is less than preset time value m；Then described control unit determines the backbone voltage at station to decline state；If the ratio that the number of tracks that the backbone voltage at station declines accounts for the total number of tracks in station is greater than preset percentage, described control unit determines that the backbone voltage alarm of station track circuit enters rainy day mode, the alarm limits of backbone voltage is adjusted to rainy day limit value；Otherwise, described control unit then determines that the backbone voltage alarm of station track circuit enters normal mode, and the alarm limits of backbone voltage are adjusted to normal limit.The present invention has the advantages that design science, practical and reduction false alarm.
Description
Technical field
The present invention relates to alarm limits adjustment technology fields, specifically, relate to a kind of track circuit alarm limits tune
Adjusting method.
Background technique
Track circuit plays a part of guaranteeing driving and Safety of Shunting Operation in railway, and track circuit alarm is railway dimension
Shield personnel important alarm to be treated.Track circuit electrical characteristic overload alarm is a kind of common alarm in track circuit,
The principle of alarm is: assuming that the voltage value of some track under normal circumstances is 200mv to 250mv, if microcomputer detecting system
The voltage value tested exceeds this range, then system can generate an electrical characteristic overload alarm, reminds maintenance personnel timely
Processing problem excludes security risk.
But in rainy day track dampness or water logging, track electrical characteristic changes, and track circuit is normal at this time
Voltage may drop to 180mv to 230mv, and the section that track electrical characteristic changes when due to the rainy day may be very much, microcomputer
Monitoring system can generate a large amount of electrical characteristic overload alarms, lead to following two problem:
(1) alarm number is too many, and railroad maintenance personnel need extensive work to eliminate these alarms；
(2) alarm number is too many, other alarms that system generates at this time are submerged, and maintenance personnel cannot have found other really in time
Significant alarm.
In order to solve the above problems, people are seeking always a kind of ideal technical solution.
Summary of the invention
The purpose of the present invention is in view of the deficiencies of the prior art, to provide a kind of track circuit alarm limits adjustment side
Method.
To achieve the goals above, the technical scheme adopted by the invention is that: a kind of track circuit alarm limits adjustment side
Monitoring unit and control unit is arranged in method, comprising the following steps:
The monitoring modular acquires in real time and stores the backbone voltage value of each track in station；
If the fall of real-time collected backbone voltage value is within a preset range, and the time of the backbone voltage decline at station
Less than preset time value m；Then described control unit determines the backbone voltage at station to decline state；
If the ratio that the number of tracks that the backbone voltage at station declines accounts for the total number of tracks in station is greater than preset percentage, the control
Unit processed then determines that the backbone voltage alarm of station track circuit enters rainy day mode, and the alarm limits of backbone voltage are adjusted to
Rainy day limit value；
Otherwise, described control unit then determines that the backbone voltage alarm of station track circuit enters normal mode, by backbone voltage
Alarm limits be adjusted to normal limit.
Based on above-mentioned, described control unit determines that the backbone voltage at station includes: for the specific steps for declining state
Step 1, the backbone voltage value for traversing all track circuits in station reads the backbone voltage value from current time to preceding
N minutes data；
Step 2, described control unit, to first n minutes of data averaged, obtains the first average value to from current time；It will
The difference of predetermined normal level and first average value obtains the first fall divided by the predetermined normal level；
1 minute and then secondary to from current time to first n minutes of data averaged, obtain the second average value；It will preset
The difference of normal value and second average value obtains the second fall divided by the predetermined normal level；
And so on, obtain third fall, the 4th fall and the 5th fall；
Step 3, if first fall, second fall, the third fall, the 4th lower range of decrease
Degree and the 5th fall within a preset range and are sequentially increased；
Meanwhile the difference of first average value and the 5th average value is 0.2 to 0.3 divided by the value of the 5th average value；
Then described control unit determines that station is in rainy or water logging state, and backbone voltage is decline state.
Based on above-mentioned, the preparation method of the rainy day limit value are as follows: setting analytical unit and alarm unit；
The analytical unit obtains the backbone voltage value of each track in the station that the monitoring modular is acquired and stored in real time,
Filter out the backbone voltage value under rainy day mode；
The alarm unit traverses each track equipment from the backbone voltage value under the rainy day mode at current time to first W days, presses
The backbone voltage value is ranked up according to size order, as the first backbone voltage value sequence；
The total data number of the first backbone voltage value sequence is counted, removal the first backbone voltage value sequence both ends account for institute
The data of the total data number 10% of the first backbone voltage value sequence are stated, remaining backbone voltage value is as the second backbone voltage value
Sequence；
The total data number for counting the second backbone voltage value sequence is taken out from the both ends of the second backbone voltage value sequence
The data for accounting for the total data number 10% of the second backbone voltage value sequence are taken, as reference value, calculate backbone voltage alarm
Rainy day limit value.
The present invention has substantive distinguishing features outstanding and significant progress compared with the prior art, and specifically, the present invention mentions
A kind of track circuit alarm limits method of adjustment is supplied, if the number of tracks that the backbone voltage at station declines accounts for the total track number in station
Purpose ratio is greater than preset percentage, and described control unit then determines that the backbone voltage alarm of station track circuit enters rainy day mould
The alarm limits of backbone voltage are adjusted to rainy day limit value by formula；Otherwise, described control unit then determines the master of station track circuit
Rail voltage alarm enters normal mode, and the alarm limits of backbone voltage are adjusted to normal limit；Dynamic real-time update of the present invention
The alarm limits of backbone voltage to greatly reduce rainy day track circuit false alarm probability, and then alleviate station staff
Workload.
Detailed description of the invention
Fig. 1 is structural representation broad flow diagram of the invention.
Specific embodiment
Below by specific embodiment, technical scheme of the present invention will be described in further detail.
Embodiment 1
As shown in Fig. 1, monitoring unit and control unit is arranged in a kind of track circuit alarm limits method of adjustment, including following
Step:
The monitoring modular acquires in real time and stores the backbone voltage value of each track in station；
If the fall of real-time collected backbone voltage value is within a preset range, and the time of the backbone voltage decline at station
Less than preset time value m；Then described control unit determines the backbone voltage at station to decline state；
If the ratio that the number of tracks that the backbone voltage at station declines accounts for the total number of tracks in station is greater than preset percentage, the control
Unit processed then determines that the backbone voltage alarm of station track circuit enters rainy day mode, and the alarm limits of backbone voltage are adjusted to
Rainy day limit value；
Otherwise, described control unit then determines that the backbone voltage alarm of station track circuit enters normal mode, by backbone voltage
Alarm limits be adjusted to normal limit.
Specifically, the preset time value m is 5 minutes to 15 minutes；The optimal value of the preset time value m is 10 points
Clock.The preset percentage is 60% to 80%, and the optimal value of the preset percentage is 70%.For example, 70% or more track circuit
Backbone voltage value all has dropped in 10 minutes, then it is assumed that station large area occurs under track circuit backbone voltage in the short time
Drop, this station is rained or large area water logging.
Embodiment 2
This gives determine station backbone voltage whether be decline state specific embodiment, specifically include:
Step 1, the backbone voltage value for traversing all track circuits in station reads the backbone voltage value from current time to preceding
5 minutes data；
Step 2, described control unit, to first 5 minutes data averageds, obtains the first average value to from current time；It will
The difference of predetermined normal level and first average value obtains the first fall divided by the predetermined normal level；
1 minute and then secondary to from current time to first 5 minutes data averageds, obtain the second average value；It will preset
The difference of normal value and second average value obtains the second fall divided by the predetermined normal level；
And so on, obtain third fall, the 4th fall and the 5th fall；
Step 3, if first fall, second fall, the third fall, the 4th lower range of decrease
Degree and the 5th fall within a preset range and are sequentially increased；
Meanwhile the difference of first average value and the 5th average value is 0.2 to 0.3 divided by the value of the 5th average value；
Then described control unit determines that station is in rainy or water logging state, and backbone voltage is decline state.
Specifically, the predetermined normal level is 360mv, the preset range is 0.22 to 0.3.Track circuit backbone voltage
In track water logging dampness variation clearly, amplitude of variation fall generally in 20%-30%, such as: zpw2000 backbone electricity
Pressure is worth under normal circumstances can drop between 250mV to 280mV in 360mv or so, water logging.
Embodiment 3
The present embodiment the difference from embodiment 1 is that: this gives a kind of specific embodiment parties of the acquisition of rainy day limit value
Formula, comprising: setting analytical unit and alarm unit；
The analytical unit obtains the backbone voltage value of each track in the station that the monitoring modular is acquired and stored in real time,
Filter out the backbone voltage value under rainy day mode；Track circuit backbone voltage acquisition frequency is a test value per second, every daily
The data volume of a track circuit equipment backbone voltage storage is 24*3600 data value；
The alarm unit, 15*24*3600 under traversing each track equipment from current time to first 15 days rainy day modes
The backbone voltage value is ranked up, as the first backbone voltage value sequence by backbone voltage value according to size order；
The total data number of the first backbone voltage value sequence is counted, removal the first backbone voltage value sequence both ends account for institute
The data of the total data number 10% of the first backbone voltage value sequence are stated, remaining backbone voltage value is as the second backbone voltage value
Sequence；It rejects after these sort maximum 10% and minimum 10% in value, to exclude the interference of data；
The total data number for counting the second backbone voltage value sequence is taken out from the both ends of the second backbone voltage value sequence
The data for accounting for the total data number 10% of the second backbone voltage value sequence are taken, as reference value, calculate backbone voltage alarm
Rainy day limit value；It averages to 10% data of one end of described second backbone voltage value sequence the larger value, as backbone voltage
The upper limit value of alarm；It averages to 10% data of one end of the second backbone voltage value sequence smaller value, as backbone
The lower limit value of voltage alarm.It updates under rainy day mode, the upper limit value and lower limit value of the alarm of backbone voltage value in station.
Specifically, the value of W can take 15 to 30, since characteristic is opposite in normal mode or rainy day mode for railway voltage
To stablize, lower 15 days to the 30 days data volumes of each pattern are relatively suitable numbers of samples, if data volume is too small, the knot of acquisition
Fruit inaccuracy, computer heavy load if data volume is too big, and do not have much affect to learning outcome accuracy.
Finally it should be noted that: the above embodiments are merely illustrative of the technical scheme of the present invention and are not intended to be limiting thereof；To the greatest extent
The present invention is described in detail with reference to preferred embodiments for pipe, it should be understood by those ordinary skilled in the art that: still
It can modify to a specific embodiment of the invention or some technical features can be equivalently replaced；Without departing from this hair
The spirit of bright technical solution should all cover within the scope of the technical scheme claimed by the invention.
Claims (8)
1. a kind of track circuit alarm limits method of adjustment, which is characterized in that setting monitoring unit and control unit, including it is following
Step:
The monitoring modular acquires in real time and stores the backbone voltage value of each track in station；
If the fall of real-time collected backbone voltage value is within a preset range, and the time of the backbone voltage decline at station
Less than preset time value m；Then described control unit determines the backbone voltage at station to decline state；
If the ratio that the number of tracks that the backbone voltage at station declines accounts for the total number of tracks in station is greater than preset percentage, the control
Unit processed then determines that the backbone voltage alarm of station track circuit enters rainy day mode, and the alarm limits of backbone voltage are adjusted to
Rainy day limit value；
Otherwise, described control unit then determines that the backbone voltage alarm of station track circuit enters normal mode, by backbone voltage
Alarm limits be adjusted to normal limit.
2. track circuit alarm limits method of adjustment according to claim 1, which is characterized in that described control unit determines
The backbone voltage at station is that the specific steps of decline state include:
Step 1, the backbone voltage value for traversing all track circuits in station reads the backbone voltage value from current time to preceding
N minutes data；
Step 2, described control unit, to first n minutes of data averaged, obtains the first average value to from current time；It will
The difference of predetermined normal level and first average value obtains the first fall divided by the predetermined normal level；
1 minute and then secondary to from current time to first n minutes of data averaged, obtain the second average value；It will preset
The difference of normal value and second average value obtains the second fall divided by the predetermined normal level；
And so on, obtain third fall, the 4th fall and the 5th fall；
Step 3, if first fall, second fall, the third fall, the 4th lower range of decrease
Degree and the 5th fall within a preset range and are sequentially increased；
Meanwhile the difference of first average value and the 5th average value is 0.2 to 0.3 divided by the value of the 5th average value；
Then described control unit determines that station is in rainy or water logging state, and backbone voltage is decline state.
3. track circuit alarm limits method of adjustment according to claim 2, it is characterised in that: the predetermined normal level is
360mv, the preset range are 0.22 to 0.3.
4. track circuit alarm limits method of adjustment according to claim 1, it is characterised in that: the rainy day limit value obtains
The method of obtaining are as follows: setting analytical unit and alarm unit；
The analytical unit obtains the backbone voltage value of each track in the station that the monitoring modular is acquired and stored in real time,
Filter out the backbone voltage value under rainy day mode；
The alarm unit traverses each track equipment from the backbone voltage value under the rainy day mode at current time to first W days, presses
The backbone voltage value is ranked up according to size order, as the first backbone voltage value sequence；
The total data number of the first backbone voltage value sequence is counted, removal the first backbone voltage value sequence both ends account for institute
The data of the total data number 10% of the first backbone voltage value sequence are stated, remaining backbone voltage value is as the second backbone voltage value
Sequence；
The total data number for counting the second backbone voltage value sequence is taken out from the both ends of the second backbone voltage value sequence
The data for accounting for the total data number 10% of the second backbone voltage value sequence are taken, as reference value, calculate backbone voltage alarm
Rainy day limit value.
5. track circuit alarm limits method of adjustment according to claim 1, it is characterised in that: the preset time value m
It is 5 minutes to 15 minutes.
6. track circuit alarm limits method of adjustment according to claim 1, it is characterised in that: the preset time value m
It is 10 minutes.
7. track circuit alarm limits method of adjustment according to claim 1, it is characterised in that: the preset percentage is
60% to 80%.
8. track circuit alarm limits method of adjustment according to claim 1, it is characterised in that: the preset percentage is
70%。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811509712.0A CN109720377B (en) | 2018-12-11 | 2018-12-11 | Track circuit alarm limit adjusting method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811509712.0A CN109720377B (en) | 2018-12-11 | 2018-12-11 | Track circuit alarm limit adjusting method |
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| CN109720377A true CN109720377A (en) | 2019-05-07 |
| CN109720377B CN109720377B (en) | 2020-11-20 |
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Citations (5)
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|---|---|---|---|---|
| CN1597386A (en) * | 2004-07-23 | 2005-03-23 | 佟亨文 | Intelligent orbital circuit equipment |
| CN200974545Y (en) * | 2006-08-18 | 2007-11-14 | 上海宝钢设备检修有限公司 | Cross failure rapid diagnosis device |
| US20110193592A1 (en) * | 2010-02-08 | 2011-08-11 | Qualcomm Incorporated | Voltage level shifter with dynamic circuit structure having discharge delay tracking |
| CN104691576A (en) * | 2015-03-23 | 2015-06-10 | 苏州富欣智能交通控制有限公司 | Tramcar traffic control system |
| CN104908781A (en) * | 2015-05-27 | 2015-09-16 | 中国铁路总公司 | Integrated electricity monitoring and maintaining system |
-
2018
- 2018-12-11 CN CN201811509712.0A patent/CN109720377B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1597386A (en) * | 2004-07-23 | 2005-03-23 | 佟亨文 | Intelligent orbital circuit equipment |
| CN200974545Y (en) * | 2006-08-18 | 2007-11-14 | 上海宝钢设备检修有限公司 | Cross failure rapid diagnosis device |
| US20110193592A1 (en) * | 2010-02-08 | 2011-08-11 | Qualcomm Incorporated | Voltage level shifter with dynamic circuit structure having discharge delay tracking |
| CN104691576A (en) * | 2015-03-23 | 2015-06-10 | 苏州富欣智能交通控制有限公司 | Tramcar traffic control system |
| CN104908781A (en) * | 2015-05-27 | 2015-09-16 | 中国铁路总公司 | Integrated electricity monitoring and maintaining system |
Non-Patent Citations (2)
| Title |
|---|
| 张菊: "轨道电路系统的安全分析与安全预警研究", 《中国优秀硕士学位论文全文数据库 工程科技Ⅱ辑》 * |
| 黄赞武: "轨道电路故障预测与健康管理关键技术研究", 《中国优秀博士学位论文全文数据库 工程科技Ⅱ辑》 * |
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