CN102887158B - Train position detection method - Google Patents
Train position detection method Download PDFInfo
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- CN102887158B CN102887158B CN201210336631.1A CN201210336631A CN102887158B CN 102887158 B CN102887158 B CN 102887158B CN 201210336631 A CN201210336631 A CN 201210336631A CN 102887158 B CN102887158 B CN 102887158B
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Abstract
The invention discloses a kind of Train position detection method, by installing beacon and reader in track both sides, vehicle-mounted installation beacon; When train is by beacon reader position, due to the blocking-up of train, reader can not read the data of beacon; Obtain train ID according to the vehicle-mounted letter target value read simultaneously, thus judge that the train with this ID reaches desired location.The present invention by the Train position detection method of classification of track constraint, does not go for the monorail track of modern tram, and possesses fail-safe feature.
Description
Technical field
The present invention relates to track traffic signal technical field, particularly relate to a kind of fail-safe Train position detection method.
Background technology
In rail traffic signal system, train position detection equipment is a key equipment, and it provides basic condition for whole signal system runs.The position of train position detection Equipment Inspection train, signal system, according to the position of the train detected, determines the tracking distance between the train of front and back.
Train position detection equipment needs to possess fail safe feature, and so-called fail safe is a kind of term in track traffic signal field, means once after there is breakdown of equipment, can prevent the significant design principle of harmfulness consequence automatic guide secure side.
In prior art, Train position detection method has: track circuit, meter shaft, loop wire and radio frequency discrimination RFID.Concrete principle of work can with reference to " R1 opinion rail transit train location detecting apparatus ".
Some modern tram adopt the orbital motion of single track, these tracks are unsuitable for adopting track circuit and axis-counting device to do train position detection, loop wire and radio frequency discrimination RFID can be suitable for but equipment is too complicated, so be applicable to single track and fairly simple Train position detection method in the urgent need to a kind of.
Summary of the invention:
The technical problem to be solved in the present invention is to provide a kind of general Train position detection method not being subject to classification of track constraint, goes for the monorail track of modern tram, and possesses fail-safe feature.
In order to solve the problem, the invention provides a kind of Train position detection method, by installing beacon and reader in track both sides, vehicle-mounted installation beacon; When train is by beacon reader position, due to the blocking-up of train, reader can not read the data of beacon; Obtain train ID according to the vehicle-mounted letter target value read simultaneously, thus judge that the train with this ID reaches desired location.
The invention has the beneficial effects as follows: not by the Train position detection method of classification of track constraint, go for the monorail track of modern tram, and possess fail-safe feature.
When train arrives detection position, the blocking-up reader due to train can not read rail trackside beacon, according to " read/do not read " of trackside beacon, train detection unit can judge that train " arrive/does not arrive " detection position.
Present invention also offers a kind of method of inspection of current of traffic, by installing reader in trackside, vehicle-mounted installation beacon; When train arrives detection position, reader can read vehicle-mounted beacon; Along with advancing of train, reader will read A and B beacon and C and D beacon successively, and train detection unit, according to the sequence of A and B beacon read and the sequence of C and D beacon, can judge the service direction of train.
Present invention also offers a kind of method of inspection of train section position, by track both sides, beacon and reader are installed, vehicle-mounted installation beacon; Based on the detection of train single locus, the detection of current of traffic, the detection of train ID, judge that certain ID train " has entered/left " section.
When train passes through the check point of segment entry, by the detection to train single locus, be aided with the detection of current of traffic, the train id information simultaneously carried according to vehicle-mounted beacon, can judge that certain ID train enters a section simultaneously; When the check point that train is exported by section, by the detection to train single locus, be aided with the detection of current of traffic, the train id information simultaneously carried according to vehicle-mounted beacon, can judge that certain ID train has rolled a section away from simultaneously.
Described beacon is radio frequency discrimination RFID.
Described radio frequency discrimination RFID reader.
Accompanying drawing illustrates:
Fig. 1 is that train single locus of the present invention detects schematic diagram.
Fig. 2 is train single locus detection failure schematic diagram of the present invention.
Fig. 3 is that current of traffic of the present invention detects schematic diagram.
Fig. 4 is current of traffic detection failure schematic diagram of the present invention.
Fig. 5 is that train section position of the present invention detects schematic diagram.
Detailed description of the invention:
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described.Obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
The present invention adopts based on radio frequency discrimination RFID equipment and realizes train position detection, and the occupation mode that it should be noted that radio frequency discrimination RFID in the present invention and the mode (as described in [R1 opinion rail transit train location detecting apparatus]) generally understood at present are diverse.
The common method using radio frequency discrimination RFID to do position probing installs miles counter and radio frequency discrimination RFID reader ON TRAINS, on ground, radio frequency identification (RFID) labels is installed, car-mounted computer, according to the position at the radio frequency identification (RFID) labels determination label place read, calculates the position between label according to miles counter and electronic chart.
Method of inspection of the present invention installs reader and label respectively in track both sides, at head and the afterbody installation beacon of train, when train does not arrive detection position, reader can read the beacon of track opposite side, when train arrives detection position, blocking-up reader due to train can not read the label of track opposite side, but at this moment reader can read the label on train, realize the detection of train single locus by this method, by reading the label of train head and afterbody, the service direction of train can be judged simultaneously.Based on the detection for train single locus and current of traffic, the detection of train section position can be realized further.
Fig. 1 is the schematic diagram that train single locus detects, and whole checking system is made up of radio frequency discrimination RFID reader, trackside beacon, train detection unit and vehicle-mounted beacon as shown in the figure.
The Cleaning Principle of train single locus is: when train does not arrive detection position, reader can read trackside beacon, when train arrives detection position, blocking-up reader due to train can not read rail trackside beacon, according to " read/do not read " of trackside beacon, train detection unit can judge that train " arrive/does not arrive " detection position.
Following Fig. 2 so, it is no matter the fault of trackside beacon, reader and communication link, all only can cause reading trackside beacon, thus train detection unit can judge that train is as " arrival " detection position state, this is a safe condition for signal system, so Train position detection method of the present invention has fail-safe feature.
Fig. 3 is that current of traffic detects schematic diagram.
The Cleaning Principle of current of traffic is: when train arrives detection position, reader can read vehicle-mounted beacon, along with advancing of train, reader will read A and B beacon and C and D beacon successively, train detection unit, according to the sequence of A and B beacon read and the sequence of C and D beacon, can judge the service direction of train.
Following Fig. 4 so, it is no matter the fault of vehicle-mounted beacon, reader and communication link, all only predetermined reading sequence can be caused to there will not be, thus train detection unit can judge that train is as " directionless " state, this is a safe condition for signal system, so train directions method of inspection of the present invention has fail-safe feature.
Fig. 5 is that train section position detects schematic diagram.
Train section position Cleaning Principle is: when train passes through the check point of segment entry, by the detection to train single locus, be aided with the detection of current of traffic, the train id information simultaneously carried according to vehicle-mounted beacon, can judge that certain ID train enters a section simultaneously.When the check point that train is exported by section, by the detection to train single locus, be aided with the detection of current of traffic, the train id information simultaneously carried according to vehicle-mounted beacon, can judge that certain ID train has rolled a section away from simultaneously.In whole testing process, can only have the principle of a train ID according to a section, and train ID can only the principle of movement between adjacent section, increases the reliability of detection.
In implementation method provided by the present invention, should be understood that, disclosed apparatus and method, not exceeding in the spirit and scope of the application, can realize in other way.Current embodiment is a kind of exemplary example, should as restriction, and given particular content should in no way limit the object of the application.Such as, the division of described unit or subelement, is only a kind of logic function and divides, and actual can have other dividing mode when realizing, and such as multiple unit or multiple subelement combine.In addition, multiple unit can or assembly can in conjunction with or another system can be integrated into, or some features can be ignored, or do not perform.
In addition, the schematic diagram of described system and method and different embodiment, not exceeding in the scope of the application, can with other system, module, technology or methods combining or integrated.
The above is only the specific embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (4)
1. a method of inspection for train section position, is characterized in that:
By track both sides, beacon and reader are installed, vehicle-mounted installation beacon;
Based on the detection of the detection of train single locus, the detection of current of traffic and train ID, judge that certain ID train " has entered/left " section;
Adopt the detection of detection and the train single locus carrying out train ID with the following method:
By installing beacon and reader in track both sides, vehicle-mounted installation beacon;
When train is by beacon reader position, due to the blocking-up of train, reader can not read the data of trackside beacon;
Obtain train ID according to the vehicle-mounted letter target value read simultaneously, thus judge that the train with this ID reaches desired location;
When train arrives detection position, because the blocking-up reader of train can not read trackside beacon, according to trackside beacon " read/do not read ", train detection unit judges that train " arrive/does not arrive " detection position;
Adopt and carry out current of traffic detection with the following method:
Vehicle-mounted beacon comprises multiple, is respectively A and B beacon and C and D beacon;
When train arrives detection position, reader can read vehicle-mounted beacon;
Along with advancing of train, reader will read A and B beacon and C and D beacon successively, and train detection unit, according to the sequence of A and B beacon read and the sequence of C and D beacon, can judge the service direction of train.
2. the method for inspection of train section position as claimed in claim 1, it is characterized in that: when train passes through the check point of segment entry, by the detection to train single locus, be aided with the detection of current of traffic simultaneously, the train id information simultaneously carried according to vehicle-mounted beacon, can judge that certain ID train enters a section;
When the check point that train is exported by section, by the detection to train single locus, be aided with the detection of current of traffic, the train id information simultaneously carried according to vehicle-mounted beacon, can judge that certain ID train has rolled a section away from simultaneously.
3. as the method for inspection of the train section position in claim 1-2 as described in any one, it is characterized in that: described beacon is radio frequency identification (RFID) labels.
4. as the method for inspection of the train section position in claim 1-2 as described in any one, it is characterized in that: described reader is radio frequency discrimination RFID reader.
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| CN201210336631.1A CN102887158B (en) | 2012-09-12 | 2012-09-12 | Train position detection method |
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| CN201210336631.1A CN102887158B (en) | 2012-09-12 | 2012-09-12 | Train position detection method |
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| CN102887158B true CN102887158B (en) | 2016-03-23 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108263447A (en) * | 2016-12-21 | 2018-07-10 | 比亚迪股份有限公司 | The interlock of the localization method of train, system and train |
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| US9390385B2 (en) * | 2013-01-30 | 2016-07-12 | Thales Canada Inc | Guideway-guided vehicle detection based on RFID system |
| CN105197069B (en) * | 2014-02-26 | 2017-01-18 | 浙江众合科技股份有限公司 | Method for detecting train beacon misreading |
| JP6646479B2 (en) * | 2016-03-07 | 2020-02-14 | 株式会社東芝 | Train position detection system |
| CN106364526B (en) * | 2016-09-22 | 2018-01-16 | 深圳市虹鹏能源科技有限责任公司 | A kind of tunnel construction new energy rail electric locomotive real-time high-precision automatic station-keeping system |
| CN107901948B (en) * | 2016-12-27 | 2019-03-29 | 比亚迪股份有限公司 | Train positioning system and localization method |
| CN107884747B (en) * | 2016-12-27 | 2018-11-09 | 比亚迪股份有限公司 | The positioning system and method for monorail train |
| CN109383562B (en) * | 2017-08-04 | 2021-11-12 | 比亚迪股份有限公司 | Train positioning system and method, vehicle-mounted device and train |
| CN109720375A (en) * | 2017-10-30 | 2019-05-07 | 比亚迪股份有限公司 | Straddle-type monorail orbit occupancy detection system, method and electronic equipment |
| CN109278810A (en) * | 2018-10-26 | 2019-01-29 | 厦门路桥信息股份有限公司 | Rail traffic vehicle scheduling auxiliary system |
| CN111114598A (en) * | 2019-12-31 | 2020-05-08 | 卡斯柯信号有限公司 | Tramcar signal system prediction plan automatic adjustment method |
| CN111845859B (en) * | 2020-07-24 | 2022-02-15 | 交控科技股份有限公司 | Driving control method, area controller and system for determining vehicle front screening result |
| CN113792562A (en) * | 2021-09-16 | 2021-12-14 | 华南农业大学 | High-frequency RFID (radio frequency identification) positioning reader of electric single-rail conveying equipment |
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| ASS | Succession or assignment of patent right |
Owner name: SUZHOU FITSCO TRAFFIC CONTROL CO., LTD. Free format text: FORMER OWNER: SHANGHAI FITSCO TRAFFIC CONTROL CO., LTD. Effective date: 20130321 |
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| C41 | Transfer of patent application or patent right or utility model | ||
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Free format text: CORRECT: ADDRESS; FROM: 201203 PUDONG NEW AREA, SHANGHAI TO: 215163 SUZHOU, JIANGSU PROVINCE |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20130321 Address after: Suzhou City, Jiangsu province 215163 Suzhou high tech Zone eswell Road No. 2 city of Suzhou science and Technology Park M4 micro system Applicant after: Suzhou Fitsco Intelligent Traffic Control Co., Ltd. Address before: 201203 Shanghai City, Pudong New Area Zhangjiang hi tech park, yangsoo Road No. 112 Building 2 layer 4 Applicant before: Shanghai Fitsco Intelligent Traffic Control Co., Ltd. |
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