CN101857044B - Non-contact district train occupation sensing system - Google Patents
Non-contact district train occupation sensing system Download PDFInfo
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- CN101857044B CN101857044B CN2010101877972A CN201010187797A CN101857044B CN 101857044 B CN101857044 B CN 101857044B CN 2010101877972 A CN2010101877972 A CN 2010101877972A CN 201010187797 A CN201010187797 A CN 201010187797A CN 101857044 B CN101857044 B CN 101857044B
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Abstract
The invention relates to a non-contact district train occupation sensing system, comprising a control system and a plurality of district train occupation sensors respectively connected with the control system. Each district train occupation sensor is connected with a plurality of train occupation detecting points; and the plurality of train occupation detecting points are distributed and arranged in a district at intervals along the rail. By adopting the non-contact sensors, the invention can be applied to the occasions that the train occupation situation can not or does not need to be detected by the shunt of train wheel sets; the train position occupation is detected by the train occupation detecting points distributed and arranged at the certain intervals so that sensing blind areas for the train do not exist in the district; and the existence of the train or a vehicle is sensed by the train body instead of a special vehicle-mounted answering or information transmitting device. Therefore, the invention has complete information and is safe and reliable.
Description
Technical field
The present invention relates to a kind of technology that belongs to rail transit train operation control and safety protection field, be specifically related to a kind of non-contact district train occupation sensing system.
Background technology
At present; Existing train occupation detects and normally adopts the track circuit technology; To track circuit is carried out shunt current, the electric current that makes the track circuit receiving end is detected by reception facilities then and judges and the occupied status information of output track section less than rated value through Train Wheel for it.The fail safe principle is followed in the design of track circuit, and promptly circuit or reception facilities fault are all exported section by the status information of train occupation.Train occupation detection technique based on track circuit must have wheel to coming track circuit to be carried out shunt, and it can't be applied to like the right contactless traffic system of floating this nothing wheel of magnetic.
The meter axle mode of existing wheel rail system is mainly used in the complete discrepancy of train in the interval, in interval, breaks off relations or does not go out corresponding clearly interval to prevent train.This mode is not suitable for the district train occupation of station or field, station to be judged, also can't be applied to not have the right magnetic floating traffic mode of wheel.
Existing Train Location system based on the cross-inductive loop wire; As: by " Gray bus displacement detection system (application number: CN 200620012206.7) ", " light rail, the metro locomotive positioner (application number: CN 200520096702.0) " of Wuhan Lide Measurement & Control Technology Co., Ltd's invention; By " detect on the mobile vehicle induction wireless car address device (application number: CN200520039055.X) " of Yueyang Tianyuan Electron Technology Co., Ltd invention and by PLA University of Science and Technology for National Defense's invention " based on the data communication of dissymmetrical structure induction loop and positioning-speed-measuring composite system (application number: CN200710034509.8) "; And existing dot-mode transponder Train Location mode; All obtain train position through onboard reception device; They need vehicle that vehicle power is provided on the one hand, also need train-ground communication that train position is transferred to ground on the other hand.If vehicle does not provide power supply or train-ground communication go wrong (operating mode that comprises no train-ground communication); Then the current actual position of train can't be known in ground train protection system such as station computer interlock system, thereby can't realize the function of safety protection of ground train protection system.
Summary of the invention
The present invention provides a kind of non-contact district train occupation sensing system, adopts the noncontact mode, comes the perception train to the fixing situation that takies of section by ground; Utilize car body self but not special vehicle-mounted replying or existence that information transmitting apparatus comes perception train or vehicle; In section to automobile storage sensing blind; Failure to safety principle and high reliability request are satisfied in the design of sensory perceptual system and realization; Basic real time informations such as the output of sensory perceptual system comprises that section takies, section free time and equipment work are normal.
Be to realize above-mentioned purpose, the present invention provides a kind of non-contact district train occupation sensing system, it is characterized in that, this system comprises control system, several respectively with this control system bonded assembly district train occupation sensor; Each district train occupation sensor respectively is connected with plurality of train occupation detecting points; This plurality of train occupation detecting points respectively in fixing section along the orbital spacing distributed and arranged.
Distribution between each above-mentioned train occupation detecting points is not more than 1/2nd of train length to be detected at interval.
Above-mentioned train occupation detecting points comprises the pre-process unit, and several respectively with pre-process unit bonded assembly noncontacting proximity sensor.
Several above-mentioned noncontacting proximity sensors are arranged on the track both sides respectively symmetrically; These several noncontacting proximity sensors are with the redundant fashion setting.
Train occupation situation in several noncontacting proximity sensor detector segments, the pre-process unit carries out pretreatment to the information of these several noncontacting proximity sensor perception, and sends the detection information of this train occupation detecting points to district train occupation sensor; District train occupation sensor is judged and safe handling compiling the information of coming, and produces the district train occupation status information of concrete fail-safe performance, and exports to control system and be used for the safety precaution to train operation.
The present invention compares with existing train occupation detection technique; Its advantage is; The present invention adopts noncontacting proximity sensor, with the noncontact mode, comes the perception train to the fixing situation that takies of section by ground; Make the present invention can be applicable to can't or need not to detect the occasion of train occupation situation, like magnetic suspension traffic system through the right shunt of Train Wheel;
The present invention's employing is surveyed train position by the train occupation detecting points of certain intervals distributed and arranged and is taken; Compare with the meter axle mode of existing wheel rail system; Applicable to magnetic-levitation train AT STATION or the train occupation of station section judge and the sensing blind that in section, train is existed;
The present invention utilizes train body self but not special vehicle-mounted replying or existence that information transmitting apparatus comes perception train or vehicle, enables on ground passive train of direct perception or vehicle to the fixing situation that takies of section;
The present invention is provided with district train occupation sensor, can satisfy fail safe principle and high reliability request detecting the working condition of judging train occupation detecting points simultaneously;
The district train occupation sensor that the present invention adopts receives and handles the output information of train occupation detecting points, produces basic real time information such as comprise that section takies, section free time and equipment work are normal.
Description of drawings
Fig. 1 is the overall structure scheme drawing of non-contact district train occupation sensing system of the present invention;
Fig. 2 is the structural representation of the train occupation detecting points of non-contact district train occupation sensing system of the present invention.
The specific embodiment
Further specify embodiments of the invention below in conjunction with accompanying drawing.
As shown in Figure 1, a kind of non-contact district train occupation sensing system provided by the invention, this system comprises control system 3, several respectively with these control system 3 bonded assembly district train occupation sensor 2; Respectively be connected with plurality of train occupation detecting points 1 on each district train occupation sensor 2, the computing machine locking system that control system 3 adopts existing railway station to use.
Plurality of train occupation detecting points 1 in a certain fixing section along the track setting; And adjacent train takies between the check point 1 and distributes by certain intervals; In order to ensure the sensing blind that 1 pair of train of this train occupation detecting points in section exists, the distribution of train occupation detecting points 1 should be not more than 1/2nd of train to be detected or vehicle length at interval.
Train occupation detecting points 1 is responsible for whether having train or automobile storage to exist in its detection range of perception; And will detect information aggregating to district train occupation sensor 2; 2 pairs of district train occupation sensor are compiled the information of coming and are judged and safe handling; Produce the district train occupation status information of concrete fail-safe performance, comprise " section takies ", " section idle " and real time informations such as " equipment work are normal ", and export to control system 3 and be used for safety precaution train operation.
As shown in Figure 2, each train occupation detecting points 1 comprises a pre-process unit 12, and four respectively with these pre-process unit 12 bonded assembly noncontacting proximity sensors 11.This noncontacting proximity sensor 11 adopts sensors such as induction loop, ultrasonic radar; Its function is when processes such as train or vehicles or when resting on these noncontacting proximity sensor 11 positions; Noncontacting proximity sensor 11 can perception go out corresponding signal, and sends to pre-process unit 12.
And each train occupation detecting points 1 is arranged on the attachment point that the position of track both sides is also referred to as noncontacting proximity sensor 11.
Four noncontacting proximity sensors 11 in each train occupation detecting points 1 arrange by the redundant fashion of (1+1) * 2, promptly on an attachment point of track one side with two noncontacting proximity sensors 11 of fashionable dress, form the redundancy detection function of 1+1; On the symmetrical attachment point of track opposite side, adorn two noncontacting proximity sensors 11 in addition too, to form the redundancy detection function of (1+1) * 2.
2 pairs of district train occupation sensor are compiled the information of being sent by pre-process unit 12, and it is carried out redundancy and fail safe processing, produce the district train occupation status information of concrete fail-safe performance.Simultaneously; Noncontacting proximity sensor 11 in 2 pairs of this section of district train occupation sensor has the fault judgement function; Can detect the mode of operation of noncontacting proximity sensor 11; So when whether output this section has car to take (or having car to exist) information, can send also whether the abnormal information of noncontacting proximity sensor 11 work is arranged.
Redundant mounting means for (1+1) * 2 of noncontacting proximity sensor shown in Fig. 2 11; Under four noncontacting proximity sensors 11 of certain train occupation detecting points 1 situation all in proper working order; When then having only four noncontacting proximity sensors 11 all to export no train or vehicle by perception information, district train occupation sensor 2 is just judged 1 output of this train occupation detecting points is that no train or automobile storage are in information; If one (or two) work mal is arranged in four noncontacting proximity sensors 11; When then having only its excess-three (or two) noncontacting proximity sensor 11 all to export no car by the information of perception; What district train occupation sensor 2 judged just that this train occupation detecting points 1 exported exists information for no car, otherwise thinks the information for there being car to exist that this train occupation detecting points 1 is exported; If there are two above noncontacting proximity sensors 11 to break down, then district train occupation sensor 2 judges that this train occupation detecting points 1 fault can't normal operation information.
The operation workflow of non-contact district train occupation sensing system of the present invention is following:
Each train occupation detecting points 1 detects the situation that takies of its place district train; The situation that takies of a plurality of noncontacting proximity sensors 11 perception place district train that it comprised also transfers to pre-process unit 12; The information of 12 pairs of these several noncontacting proximity sensor 11 perception in pre-process unit is carried out pretreatment, and sends the detection information of this train occupation detecting points to district train occupation sensor 2.
2 pairs of district train occupation sensor are compiled the information of coming and are judged and safe handling; Produce the interior train occupation status information of section of concrete fail-safe performance; And export to control system 3; Control system 3 gathers the train occupation status information in institute's detection range section, is used for the safety precaution to train operation.
Although content of the present invention has been done detailed introduction through above-mentioned preferred embodiment, will be appreciated that above-mentioned description should not be considered to limitation of the present invention.After those skilled in the art have read foregoing, for multiple modification of the present invention with to substitute all will be conspicuous.Therefore, protection scope of the present invention should be limited appended claim.
Claims (4)
1. a non-contact district train occupation sensing system is characterized in that, this system comprises control system (3), several respectively with said control system (3) bonded assembly district train occupation sensor (2); Each described district train occupation sensor (2) respectively is connected with plurality of train occupation detecting points (1); Described plurality of train occupation detecting points (1) respectively in fixing section along the orbital spacing distributed and arranged.
2. non-contact district train occupation sensing system as claimed in claim 1 is characterized in that, the distribution between described each train occupation detecting points (1) is not more than 1/2nd of train length to be detected at interval.
3. non-contact district train occupation sensing system as claimed in claim 2; It is characterized in that; Described train occupation detecting points (1) comprises pre-process unit (12), and several respectively with said pre-process unit (12) bonded assembly noncontacting proximity sensor (11).
4. non-contact district train occupation sensing system as claimed in claim 3 is characterized in that, described several noncontacting proximity sensors (11) are arranged on the track both sides respectively symmetrically; These several noncontacting proximity sensors (11) are with the redundant fashion setting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101877972A CN101857044B (en) | 2010-05-28 | 2010-05-28 | Non-contact district train occupation sensing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101877972A CN101857044B (en) | 2010-05-28 | 2010-05-28 | Non-contact district train occupation sensing system |
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| Publication Number | Publication Date |
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| CN101857044A CN101857044A (en) | 2010-10-13 |
| CN101857044B true CN101857044B (en) | 2012-02-22 |
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| CN2010101877972A Expired - Fee Related CN101857044B (en) | 2010-05-28 | 2010-05-28 | Non-contact district train occupation sensing system |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20130001652A (en) * | 2011-06-27 | 2013-01-04 | 엘에스산전 주식회사 | The system for measuring the train location using the wireless train sensing unit |
| CN106274998B (en) * | 2016-08-20 | 2018-06-01 | 徐州翔和高科电气有限公司 | A kind of mine locomotive transport monitor system double track identification device and method |
| CN106274995B (en) * | 2016-08-31 | 2019-03-01 | 重庆微标科技股份有限公司 | Locomotive is allowed to pass through yard detection zone to realize the method and system of accurate positionin |
| CN109910954B (en) * | 2019-02-02 | 2021-08-03 | 卡斯柯信号有限公司 | Speed measurement positioning and interval occupation detection system for ultra-high speed train control system |
| CN114454928B (en) * | 2022-01-13 | 2024-04-05 | 通号城市轨道交通技术有限公司 | Occupancy checking method and system based on radio frequency identification |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1065834A (en) * | 1992-05-07 | 1992-11-04 | 天津铁路分局秦皇岛电务段 | Redundant system of main line signals for rail |
| CN2174383Y (en) * | 1993-12-23 | 1994-08-17 | 杨荣生 | Signal interlocking device for railway multi-station blocking occupied by trains |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3733906B2 (en) * | 2001-12-28 | 2006-01-11 | 三菱電機株式会社 | Train section over prevention device |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1065834A (en) * | 1992-05-07 | 1992-11-04 | 天津铁路分局秦皇岛电务段 | Redundant system of main line signals for rail |
| CN2174383Y (en) * | 1993-12-23 | 1994-08-17 | 杨荣生 | Signal interlocking device for railway multi-station blocking occupied by trains |
Non-Patent Citations (1)
| Title |
|---|
| 李剑波等.股道占用职能判别系统.《铁道通信信号》.2006,第42卷(第3期),11-13. * |
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Effective date of registration: 20150217 Address after: 200092 Shanghai City, Yangpu District Siping Road No. 1239 Patentee after: Tongji University Address before: 201204 Pudong New Area, Longyang Road, No. 2520, Patentee before: Shanghai Maglev Transportation Development Co., Ltd. Patentee before: Shanghai Magnetic Suspension Communication Engineering Technology Research Cente |
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