CN104802829A - Subway train-ground communication detection method - Google Patents
Subway train-ground communication detection method Download PDFInfo
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- CN104802829A CN104802829A CN201510247987.1A CN201510247987A CN104802829A CN 104802829 A CN104802829 A CN 104802829A CN 201510247987 A CN201510247987 A CN 201510247987A CN 104802829 A CN104802829 A CN 104802829A
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Abstract
The invention discloses a subway train-ground communication detection method. The method comprises the following steps: a signal collection board (11) is connected with an induction coil (4) mounted between subway rails (4) through a plug (6); the signal collection board filters, shapes and magnifies collected signals and then outputs the signals to a single-chip microcomputer, the signals are analyzed through the single-chip microcomputer, two signals are obtained, corresponding sequence and amplitude of the two signals are obtained, and the single-chip microcomputer judges whether signal communication is successful and works out a communication success rate; an embedded CPU (12) of a detection body (1) adds timestamps onto output signals of the signal collection board, which are collected in real time, and stores the timestamps and station numbers and uplink and downlink marks into a storage unit (13); when a handheld portable detection instrument (2) performs data exchange with the detection body through Bluetooth modules (24 and 14), data at a certain time is sent to the portable detection instrument, and a display screen (25) can display the specific communication success rate and the voltage amplitude in the corresponding frequency.
Description
Technical field
The present invention relates to a kind of method of inspection, particularly relate to a kind of subway train-ground communication check method.
Background technology
The quality of existing railcar and ground communication (abbreviation train-ground communication) is not simple, online, continuous print method of inspection, just can must measure by adopting actual the passing through of railcar, there is a lot of inconvenient factors in actual applications, can not the quality problems of Timeliness coverage subway train-ground communication.In existing subway train-ground communication system, monitoring for on-scene communication quality does not also have, only have by the time subway train-ground communication generation problem time, namely subway train-ground completely can not proper communication time, vehicle occurs can not accurate off-position, just be found when departure indicator does not work, thus bad impact is caused on subway circulation quality.
Summary of the invention
The object of the present invention is to provide a kind of subway train-ground communication check method, after this method of inspection is processed the signal collected by the signal acquiring board and CPU detecting body, correlation detection information is obtained after carrying out data exchange by handheld portable detector and detection body again, can continuous detecting and monitoring subway train-ground communication quality.
In order to realize above-mentioned technical purpose, the present invention adopts following technical scheme:
A kind of subway train-ground communication check method, the steps include:
First, be connected with the induction coil be installed between underground railway track through plug by signal acquiring board, signal acquiring board includes micro controller system;
Second, signal acquiring board exports to micro controller system after the signal collected is carried out filtering, shaping, amplification, two signals are obtained after micro controller system is resolved, and measure corresponding frequency and amplitude, the interval time of normal for train train-ground communication and the collection signal received compare by micro controller system, judge that whether communication is successful, calculate communication success ratio;
3rd, described signal acquiring board output signal connects embedded type CPU, the signal of the subway induction coil received in real time after resolving, signal amplitude are added timestamp with the pass flag that communicates, and are kept at memory cell together with Station XXX and up-downgoing mark by embedded type CPU; Detect body and comprise signal acquiring board, embedded type CPU, GPRS module, bluetooth module and memory cell;
4th, after handheld portable detector to be matched with the bluetooth module detecting body by the bluetooth module of portable detector and connects, the data of portable detector and detection body exchange, required data are sometime sent to hand-held portable detector, portable detector read-out can show concrete communication success ratio and the voltage magnitude of respective frequencies, and shows the deviation ratio of two voltages.
The data memory module of described detection body by GPRS module by real-time data transmission to long-range backstage monitoring computer, after backstage monitoring computer application software differentiates data, correspondingly send sound, light reported to the police and early warning; Data are preserved simultaneously.
The signal of described signal acquiring board collection is fsk signal, after micro controller system is resolved, obtain the signal that frequency is 64KHZ and 54KHZ.
Subway train-ground communication check method of the present invention is by plug collection signal from the existing induction coil be embedded between underground railway track, after the signal collected being processed by the signal acquiring board and CPU detecting body, data exchange is carried out again by handheld portable detector and detection body, in the display screen display correlation detection information of portable detector, can continuous detecting and monitoring subway train-ground communication quality, this data exchange is realized by bluetooth module, thus make to patrol and examine maintainer and according to train-ground communication quality corresponding establishment adjusted in time or keep in repair.
Testing result GPRS module can also be sent to long-range backstage monitoring computer by subway train-ground communication check method of the present invention, after backstage monitoring computer application software differentiates data, according to corresponding situation, send sound by various mode, light is reported to the police and early warning, be convenient to the facility of operating personal arrangement to website and adjust.Data are preserved, to inquire about when needing in the future and to review simultaneously.
Accompanying drawing explanation
Fig. 1 is subway train-ground communication check device of the present invention electrical connection schematic diagram;
Fig. 2 is data transmission schematic diagram of the present invention.
In figure: 1 detects body, 2 portable detectors, 3 backstage monitoring computers, 4 underground railway tracks, 5 induction coils, 6 plugs, 7 signal coupling unit, 8 machine rooms; 11 signal acquiring boards, 12 embedded type CPUs, 13 memory cell, 14 bluetooth modules, 15 GPRS module, 16 power modules; 21 power modules, 22 embedded type CPUs, 23 memory cell, 24 bluetooth modules, 25 read-outs.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the invention will be further described.
See Fig. 1 and Fig. 2, a kind of subway train-ground communication check device, comprises and detects body 1 and portable detector 2.
Described detection body 1 comprises signal acquiring board 11, embedded type CPU 12, GPRS module 15, bluetooth module 14, memory cell 13, power module 16, signal acquiring board 11 output signal connects embedded type CPU 12, embedded type CPU 12 connects memory cell 13, embedded type CPU 12 connects portable detector 2 through bluetooth module 14, and embedded type CPU 12 connects backstage monitoring computer 3 through GPRS module 15.Described memory cell 13 can adopt the storage information such as SD card, CF card.Described power module 16 provides power supply to signal acquiring board 11, embedded type CPU 12, GPRS module 15, bluetooth module 14 and memory cell 13.
Described portable detector 2 comprises embedded type CPU 22, bluetooth module 24, memory cell 23, power module 21, read-out 25, embedded type CPU 22 connects bluetooth module 24, memory cell 23 and read-out 25, and power module 21 provides power supply to embedded type CPU 22, bluetooth module 24, memory cell 23 and read-out 25.Described memory cell 23 can adopt the storage information such as SD card, CF card.Read-out 25 can be liquid crystal display, also can be man machine operation interface, and the data transferred in embedded type CPU 22 in order to operation also show.
A kind of subway train-ground communication check method, the steps include:
First, be connected with the induction coil 5 be installed between underground railway track 4 through plug 6 by signal acquiring board 11, signal acquiring board 11 includes micro controller system;
Second, signal acquiring board 11 exports to micro controller system after the signal collected is carried out filtering, shaping, amplification, two signals are obtained after micro controller system is resolved, and measure corresponding frequency and amplitude, the interval time of normal for train train-ground communication and the collection signal received compare by micro controller system, judge that whether communication is successful, calculate communication success ratio; The signal that described signal acquiring board 11 gathers is FSK (Frequency-shift keying, frequency shift keying) signal, after micro controller system is resolved, obtain the signal that frequency is 64KHZ and 54KHZ.
3rd, described signal acquiring board 11 output signal connects embedded type CPU 12, the signal of the subway induction coil 5 received in real time after resolving, signal amplitude are added timestamp with the success ratio that communicates, and are kept at memory cell 13 together with Station XXX and up-downgoing mark by embedded type CPU 12.
4th, after handheld portable detector 2 to be matched with the bluetooth module 14 detecting body 1 by the bluetooth module 24 of portable detector 2 and connects, the data of portable detector 2 and detection body 1 exchange, required data are sometime sent to hand-held portable detector 2, portable detector 2 read-out 25 can show the concrete time, station name and up-downgoing mark, the voltage magnitude of communication success ratio and respective frequencies, and display frequency is the deviation ratio of 64KHZ and 54KHZ bis-voltages, the i.e. deviate of real-time two magnitudes of voltage and standard two magnitudes of voltage.The deviation ratio of described two voltages refers to: frequency is two voltages of 64KHZ and 54KHZ, its in real time survey the difference of magnitude of voltage and standard voltage value divided by standard voltage value, be voltage deviation rate; The magnitude of voltage that standard voltage value is measured under referring to railcar and the successful normal pass state of ground communication, this standard voltage value can be pre-stored in the embedded type CPU of detection body.
5th, the data memory module 13 detecting body 1 passes through GPRS module 15 by real-time data transmission to long-range backstage monitoring computer 3, after backstage monitoring computer 3 application software differentiates data, according to corresponding situation, send sound by various mode, light is reported to the police and early warning, be convenient to the facility of operating personal to website and adjust; Data are preserved, to inquire about when needing in the future and to review simultaneously.
Subway train-ground communication check method of the present invention utilizes the existing induction coil 5 be embedded between underground railway track 4 to input to the existing installation of supervisory control computer machine room 8 through signal coupling unit 7, undertaken analyzing by plug 6 collection signal from the induction coil 5 be embedded between underground railway track 4 and detect, its detection signal collection is convenient.
These are only preferred embodiment of the present invention, be not intended to limit protection scope of the present invention, therefore, all any amendments done within the spirit and principles in the present invention, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (3)
1. a subway train-ground communication check method, is characterized in that:
First, be connected with the induction coil (5) be installed between underground railway track (4) through plug (6) by signal acquiring board (11), signal acquiring board (11) includes micro controller system;
Second, signal acquiring board (11) exports to micro controller system after the signal collected is carried out filtering, shaping, amplification, two signals are obtained after micro controller system is resolved, and measure corresponding frequency and amplitude, the interval time of normal for train train-ground communication and the collection signal received compare by micro controller system, judge that whether communication is successful, calculate communication success ratio;
3rd, described signal acquiring board (11) output signal connects embedded type CPU (12), the signal of the subway induction coil (5) received in real time after resolving, signal amplitude are added timestamp with the success ratio that communicates, and are kept at memory cell (13) together with Station XXX and up-downgoing mark by embedded type CPU (12); Detect body (1) and comprise signal acquiring board (11), embedded type CPU (12), GPRS module (15), bluetooth module (14) and memory cell (13);
4th, after handheld portable detector (2) to be matched with the bluetooth module (14) detecting body by the bluetooth module (24) of portable detector and connects, the data of portable detector (2) and detection body (1) exchange, required data are sometime sent to hand-held portable detector (2), portable detector read-out (25) can show concrete communication success ratio and the voltage magnitude of respective frequencies, and shows the deviation ratio of two voltages.
2. subway train-ground communication check method according to claim 1, it is characterized in that: the data memory module (13) of described detection body (1) by GPRS module (15) by real-time data transmission to long-range backstage monitoring computer (3), backstage monitoring computer (3) application software differentiates after data, correspondingly sends sound, light is reported to the police and early warning; Data are preserved simultaneously.
3. subway train-ground communication check method according to claim 1 and 2, is characterized in that: the signal that described signal acquiring board (11) gathers is fsk signal, after micro controller system is resolved, obtain the signal that frequency is 64KHZ and 54KHZ.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510247987.1A CN104802829B (en) | 2015-05-15 | 2015-05-15 | A kind of subway train-ground communication check method |
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| CN201510247987.1A CN104802829B (en) | 2015-05-15 | 2015-05-15 | A kind of subway train-ground communication check method |
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| CN104802829A true CN104802829A (en) | 2015-07-29 |
| CN104802829B CN104802829B (en) | 2016-08-17 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107038395A (en) * | 2017-04-13 | 2017-08-11 | 杨军 | A kind of subway card reader special combined test stand and method of testing |
| CN111746598A (en) * | 2019-03-28 | 2020-10-09 | 上海申通地铁集团有限公司 | Fault detection system of train-ground communication system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20090129086A (en) * | 2008-06-12 | 2009-12-16 | 한국철도기술연구원 | Secured railway communication method in closed transmission-based systems |
| JP4645836B2 (en) * | 2005-10-28 | 2011-03-09 | 日本電気株式会社 | Wireless communication system and method |
| CN102347809A (en) * | 2010-08-03 | 2012-02-08 | 上海工程技术大学 | Equipment for intelligently detecting track-side circle-line signal of subway |
| CN104192171A (en) * | 2014-08-28 | 2014-12-10 | 同济大学 | Rail transit train detecting method and device |
-
2015
- 2015-05-15 CN CN201510247987.1A patent/CN104802829B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4645836B2 (en) * | 2005-10-28 | 2011-03-09 | 日本電気株式会社 | Wireless communication system and method |
| KR20090129086A (en) * | 2008-06-12 | 2009-12-16 | 한국철도기술연구원 | Secured railway communication method in closed transmission-based systems |
| CN102347809A (en) * | 2010-08-03 | 2012-02-08 | 上海工程技术大学 | Equipment for intelligently detecting track-side circle-line signal of subway |
| CN104192171A (en) * | 2014-08-28 | 2014-12-10 | 同济大学 | Rail transit train detecting method and device |
Non-Patent Citations (2)
| Title |
|---|
| 张焕增等: ""基于LabVIEW轨道交通车地通信系统FSK信号检测装置"", 《上海工程技术大学学报 》 * |
| 梁鉴如等: ""上海轨道交通2号线车地通信信号的检测"", 《城市轨道交通研究 》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107038395A (en) * | 2017-04-13 | 2017-08-11 | 杨军 | A kind of subway card reader special combined test stand and method of testing |
| CN107038395B (en) * | 2017-04-13 | 2023-04-28 | 杨军 | Comprehensive test board and test method for card reader special for subway |
| CN111746598A (en) * | 2019-03-28 | 2020-10-09 | 上海申通地铁集团有限公司 | Fault detection system of train-ground communication system |
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| CN104802829B (en) | 2016-08-17 |
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