CN104925090B - A kind of detection method of integrity of train - Google Patents
A kind of detection method of integrity of train Download PDFInfo
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- CN104925090B CN104925090B CN201510356905.7A CN201510356905A CN104925090B CN 104925090 B CN104925090 B CN 104925090B CN 201510356905 A CN201510356905 A CN 201510356905A CN 104925090 B CN104925090 B CN 104925090B
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Abstract
The invention discloses a kind of detection method of integrity of train, belong to train technical field, the technical problem that easily by train Interface status affected not high with the order of accuarcy that solves integrity of train detection method of the prior art.The detection method of this integrity of train includes：First mobile unit obtains from the information turning finally to transponder group；First mobile unit is according to the information getting, calculate primary importance in conjunction with first speed of service getting and the train path pre-seting, wherein, first speed of service is the train running speed that the first mobile unit gets, and primary importance is the current location of the first mobile unit；First mobile unit obtains the second position from the second mobile unit, and wherein, the second position is the current location of the second mobile unit；First mobile unit combines the train path pre-seting and train length, according to primary importance and the second position, judges whether train is complete.
Description
Technical field
The present invention relates to train technical field, specifically, it is related to a kind of detection method of integrity of train.
Background technology
Form because railway car is connected with each other by hook, for ensure train do not derail, do not break off relations it is ensured that train complete
Detection that is whole and carrying out is referred to as integrity of train detection.Integrity of train detection is be related to railway system's safety one
Key link, if integrity of train detection was lost efficacy, the compartment being retained on interval or track will become follow-up train
Barrier, directly jeopardizes traffic safety.
At present, conventional integrity of train detection method is installed Train End Equipment to monitor in last vehicle of train.Work as train
Separate, airduct disconnects and leaking out, when leakage rate exceedes setting, Train End Equipment can send warning to trainman in time, reminds machine
Car driver notes train operation state.But Train End Equipment there is also some problems in use, such as current row a tail wind presses number
It is transmitted according to using the wireless transfer channel of 450MHz train dispatch radio communication, for existing or newly-increased train dispatch radio communication, do not have
Reserve corresponding train interface, bring difficulty to installing and using.And, in the case that exception in train interface (especially
It is that relay electric shock adhesion situation) it is possible to make the unnecessary brake hard of mobile unit triggering, cause train not
Necessary parking is in some instances it may even be possible to have influence on the operational efficiency of whole train.
Content of the invention
It is an object of the invention to provide a kind of detection method of integrity of train, complete to solve train of the prior art
The order of accuarcy of whole property detection method is not high, the technical problem easily being affected by train Interface status.
The invention provides a kind of detection method of integrity of train, described train includes being located at respectively the of train two ends
One mobile unit and the second mobile unit, the method includes：
Described first mobile unit obtains from the information turning finally to transponder group；
Described first mobile unit according to the information getting, in conjunction with first speed of service getting and the row pre-seting
Bus or train route line computation primary importance, wherein, described first speed of service is the train operation speed that described first mobile unit gets
Degree, described primary importance is the current location of described first mobile unit；
Described first mobile unit obtains the second position from described second mobile unit, wherein, the described second position
Current location for described second mobile unit；
Described first mobile unit combines the train path that pre-sets and train length, according to described primary importance and described
The second position, judges whether described train is complete.
Wherein, described first mobile unit obtained before the second position of described second mobile unit, also included：
Described second mobile unit obtains from the information turning finally to transponder group；
Described second mobile unit according to the information getting, in conjunction with second speed of service getting and the row pre-seting
The bus or train route line computation second position, wherein, described second speed of service is the train operation speed that described second mobile unit gets
Degree；
The calculated described second position is sent to described first mobile unit by described second mobile unit.
Wherein, described first mobile unit combines the train path pre-seting and train length, according to described primary importance
With the described second position, judge whether described train completely includes：
Described first mobile unit combines the train line pre-seting, according to described primary importance and the described second position,
Calculate the length of the track between described first mobile unit and described second mobile unit；
Described first mobile unit judges the length of the track between described first mobile unit and described second mobile unit
It is first pre-conditioned whether degree and train length meet, described first pre-conditioned for described first mobile unit and described second
The absolute value of the difference between the length of the track between mobile unit and train length is less than preset length, thus judging train
Whether complete.
Wherein, the calculated described second position is sent to described first mobile unit by described second mobile unit
When, also include：
Described second speed of service is sent to described first mobile unit by described second mobile unit.
Wherein, described first mobile unit determines the rail between described first mobile unit and described second mobile unit
The length in road and train length meet first pre-conditioned when, also include：
Described first mobile unit judge described first speed of service and described second speed of service whether to meet second pre-
If condition, the described second pre-conditioned absolute value for the difference between described first speed of service and described second speed of service
Less than pre-set velocity, thus judging whether train is complete.
Wherein, described first mobile unit judges the track between described first mobile unit and described second mobile unit
Length and train length whether to meet first pre-conditioned, thus judging whether train completely includes：
If the cycle of the continuous predetermined number of described first mobile unit, all determine described first mobile unit and described the
The length of the track between two mobile units and train length do not meet first pre-conditioned when, judge that train disconnects, otherwise,
Judge that train is complete.
Wherein, described first mobile unit judges whether described first speed of service and described second speed of service meet
Two is pre-conditioned, thus judging whether train completely includes：
If in the cycle of the continuous predetermined number of described first mobile unit, all determining described first speed of service and described
Two speeds of service do not meet second pre-conditioned when, judge that train disconnects, otherwise, judge that train is complete.
Wherein, described second mobile unit by the calculated described second position be sent to described first mobile unit it
Before, also include：
Described first mobile unit and described second mobile unit set up secured session, and described second mobile unit determination adds
Decryption method, described first mobile unit determines decryption method.
Wherein, the calculated described second position is sent to described first mobile unit by described second mobile unit
When, also described second speed of service is sent to described first mobile unit and includes：
Described second mobile unit according to the encryption method determining, to the calculated described second position and described the
Two speeds of service carry out packaging ciphering, generate encryption data bag；
Described encryption data bag is sent to described first mobile unit by described second mobile unit.
Wherein, described first mobile unit combines the train path pre-seting and train length, according to described primary importance
With the described second position, before judging whether described train is complete, also include：
Whether the encryption data bag that described first mobile unit inspection receives is from described second mobile unit, if
It is that described first mobile unit, according to the decryption method determining, is decrypted operation to described encryption data bag, obtain described the
Two positions and described second speed of service.
Wherein, described first mobile unit, described second mobile unit are each stored with and turn finally to response from multiple
Information that the information of device group, described first mobile unit and described second mobile unit are stored is corresponding to turn finally to transponder
The number of group is equal.
Present invention offers following beneficial effect：Embodiments provide a kind of detection method of integrity of train,
Train includes the first mobile unit and the second mobile unit, and the first mobile unit is calculated primary importance, and obtains the second car
The second position of load equipment, and then combine the train path pre-seting and train length, according to primary importance and the second position, sentence
Whether the described train that breaks is complete.The first mobile unit and second that method provided in an embodiment of the present invention is carried in itself based on train
Mobile unit is carried out, and order of accuarcy is high, will not be affected by train interface, and take full advantage of train resources, improve
The usage degree of the communication link between the first and second mobile units during operation.
Other features and advantages of the present invention will illustrate in the following description, and, partly become from description
Obtain it is clear that or being understood by implementing the present invention.The purpose of the present invention and other advantages can be by description, rights
In claim and accompanying drawing, specifically noted structure is realizing and to obtain.
Brief description
For the technical scheme being illustrated more clearly that in the embodiment of the present invention, below the accompanying drawing during embodiment is described is done
Simple introduction：
Fig. 1 is the flow chart of the detection method of integrity of train provided in an embodiment of the present invention.
Specific embodiment
To describe embodiments of the present invention in detail below with reference to drawings and Examples, whereby how the present invention to be applied
Technological means are solving technical problem, and reach realizing process and fully understanding and implement according to this of technique effect.Need explanation
As long as not constituting conflict, each embodiment in the present invention and each feature in each embodiment can be combined with each other,
The technical scheme being formed is all within protection scope of the present invention.
Embodiments provide a kind of detection method of integrity of train.Train cannot be carried out the operation reversed end for end, and is
Scheduling is convenient, and general train is equipped with two train heads, is located at the two ends of train respectively.Accordingly, train includes point
Wei Yu not first mobile unit at train two ends and the second mobile unit.The detection of integrity of train provided in an embodiment of the present invention
Method is based on being located at respectively first mobile unit at train two ends and the second mobile unit realizes.The embodiment of the present invention
In, acquiescence the first mobile unit is arranged in the train head providing traction power, and the second mobile unit is arranged at another train
In head.
Based on above-mentioned premise, as shown in figure 1, the method includes：
Step S101, the first mobile unit obtain from the information turning finally to transponder group.
With reference to transponder be a kind of for ground to the point type equipment of train transmission information, be divided into fixing (passive) transponder
With variable (active) transponder.When train is above reference transponder, receive the mobile unit of train with reference to transponder
The electromagnetic energy that sends of point information reception antenna after, electromagnetic energy is converted to working power by ground transponder, starts electricity
Electronic circuit work, prestore or line side electronic equipment (Lineside Electronic Unit, abbreviation LEU) transmission
Message loop send, until electromagnetic energy disappears, that is, train sails out of with reference to transponder.
In general, all laid in units of group with reference to transponder, each reference transponder group includes 1 to 8
Individual (even more many) reference transponders.In the embodiment of the present invention turn finally to transponder group be the first mobile unit finally by
Reference transponder group.
In order to improve the order of accuarcy of integrity of train testing result, the first mobile unit is stored with from multiple last ginsengs
Examine the information of transponder group, the such as first mobile unit be stored with 8 corresponding turn finally to transponder groups transmission come correlations
Information.And, when the first mobile unit newly passes through a reference transponder group, transponder can be turned finally to by store before
In the information of group, earliest information deletion, the information Store of reference the transponder group transmission newly passed through gets off.When train leads to
Cross each with reference to after transponder, by information next for last for this reference transponder transmission and can store, until this information
Deleted by train.Therefore, the information that the first mobile unit gets, comes from turning finally to transponder group forever.
Step S102, the first mobile unit according to the information receiving, in conjunction with first speed of service getting and default
The train path put calculates primary importance, and wherein, first speed of service is the train running speed that the first mobile unit gets,
Primary importance is the current location of the first mobile unit.
First mobile unit according to receive and store from multiple information turning finally to transponder group, in conjunction with
Velocity sensor first speed of service obtaining of train head that the first mobile unit is located by it setting and pre-seting
Train path, the position that available first mobile unit is currently located, i.e. primary importance.
Specifically, the first mobile unit according to self by respectively turn finally to the duration that passed through after transponder group and
First speed of service that each moment obtains is it may be determined that the distance run of train.Because track can not possibly be always straight, meeting
There is the place of bending.Therefore, when determining the primary importance of the first mobile unit, the distance being run train is needed to combine row
The traffic route that car pre-sets, i.e. the movement locus of train, may thereby determine that the primary importance of the first mobile unit.Based on many
The individual next information of transponder group transmission that turns finally to determines that the error of the first vehicle-mounted primary importance obtaining is less, is more defined
Really.
For the second mobile unit, it needs also exist for obtaining its corresponding information turning finally to transponder group, and
Second speed of service getting and the train path calculating second position pre-seting are combined according to these information, second runs speed
Degree is the train running speed that the second mobile unit gets.And, the first mobile unit and the second mobile unit are stored
Information is corresponding turn finally to transponder group number equal.I.e. the such as first mobile unit is stored with 8 corresponding last ginsengs
Examine the relevant information that the transmission of transponder group comes, the second mobile unit storage is equally stored with 8 and corresponding turns finally to transponder
The relevant information that group transmission comes.With the first mobile unit identical, the second mobile unit also can update always and turn finally to response
Device group and the information respectively turning finally to the transmission of transponder group, to guarantee accurately to determine the second position.
Step S103, the first mobile unit obtain the second position from the second mobile unit, and wherein, the second position is the
The current location of two mobile units.
Because in embodiments of the present invention, the train head that the first mobile unit is located is in leading position, and the second car
The train head that load equipment is located is in subordinate status.Therefore in embodiments of the present invention it is stipulated that being carried out by the first mobile unit
The integrity detection of train, that is, need some relevant informations that the second mobile unit is obtained to be sent to the first mobile unit,
The calculated second position of such as second mobile unit.
Therefore, the second mobile unit, after being calculated the second position, needs to be sent to the first mobile unit.
Step S104, the first mobile unit combine the train path that pre-sets and train length, according to primary importance and the
Two positions, judge whether train is complete.
First mobile unit obtains after the second position that the second mobile unit calculates, can be according to the train pre-seting
Route determines the length of the track between primary importance and the second position, and then determines the length of track and the relation of train length
Whether meet first pre-conditioned, first pre-conditioned be the track between the first mobile unit and the second mobile unit length
The absolute value of the difference and train length between is less than preset length.If the length of track meets first with the relation of train length
Pre-conditioned, then can determine whether that train is complete.Wherein, first pre-conditioned in preset length, need with reference to train transport
Battalion's condition, the alignment error respectively turning finally to transponder group, the characteristic of tachogenerator determining, obtain one suitably default
Length, surveys probability with the mistake reducing this integrity of train detection method.
Mistake in order to eliminate testing result further surveys probability, and one in the embodiment of the present invention is embodied as in scene,
If length and the train of track all can be detected in the cycle of the continuous predetermined number of the first mobile unit (such as ten cycles)
The insulation values of the difference of length are more than preset length, and the first mobile unit just can send train to staff and the warning such as disconnect
Signal.This is embodied as in scene, turns finally to the message of transponder group to finally obtaining rail with the first mobile unit from obtaining
Time difference between the length in road and the relation of train length is as a cycle.Come with the service ability of existing mobile unit
See, a cycle was generally for tens nanoseconds to hundreds of nanosecond.
Obviously, if train disconnects, the communication between the first mobile unit and the second mobile unit is also corresponding to be disconnected, the first car
Load equipment cannot receive the second mobile unit and resend the second position come.In this case, the first mobile unit is entering
During capable integrity detection each time, all can go to obtain the nearest second position being sent by the second mobile unit, based on this
The second position carries out integrity detection.
Sometimes, carrying out, according only to primary importance and the second position, testing result that integrity detection obtains may be not accurate
Really.Another in the embodiment of the present invention is embodied as in scene, is carrying out integrity inspection according to primary importance and the second position
On the basis of survey, second speed of service herein in connection with first speed of service of the first mobile unit, the second mobile unit to be carried out
Detection.
Specifically, the second mobile unit while sending the second position to the first mobile unit in addition it is also necessary to the first car
Load equipment sends second speed of service of its acquisition.Because train is operationally, only one of which train head is (in the embodiment of the present invention
The train head being located for the first mobile unit) pull strength carry out speed controlling is provided, therefore in general, vehicle-mounted set by first
First speed of service that standby detection obtains is equal or approximate with second speed of service being obtained by the second mobile unit detection
Equal.In view of the operation characteristic of tachogenerator, pre-set velocity can be pre-set, judge the first fortune for the first mobile unit
It is second pre-conditioned whether scanning frequency degree and second speed of service meet, second pre-conditioned be first speed of service and the second operation
The absolute value of the difference between speed is less than pre-set velocity, thus judging whether train is complete.
Similar, if in the detection in the cycle in continuous predetermined number for first mobile unit, the first operation speed is all detected
Relation between degree and second speed of service do not meet second pre-conditioned after, just send train to staff and the report such as disconnected
Alarming information.
In embodiments of the present invention, in order to the information ensureing the second mobile unit received by the first mobile unit is accurate
True, the first mobile unit and the second mobile unit set up secured session, that is, between the first mobile unit and the second mobile unit
Configure agreement (Internet Protocol, the abbreviation IP) address of interconnection between the network of upper opposite end mobile unit first.It
Afterwards, the first mobile unit and the second mobile unit are set up with opposite end based on the IP address being configured and are communicated, and determine that communication is based on
Agreement.After determining agreement, the second mobile unit can determine whether encryption method, and the first mobile unit determines corresponding decryption side
Method.Second mobile unit to the first mobile unit send the second position even also second speed of service when, can first will be required
The data sending carries out packaging ciphering process, generates encryption data bag, again this encryption data bag is sent to first afterwards vehicle-mounted
Equipment.
After first mobile unit receives encryption data bag, first confirm that this encryption data bag source whether be second
Mobile unit, that is, confirm the IP address phase of the second the mobile unit whether IP address in the source of encryption data bag is pre-seted with it
Symbol.If being consistent, the first mobile unit, according to the decryption method determining, is decrypted operation to encryption data bag, obtains second
Put or even also second speed of service, and then the integrity of the Data Detection train sent according to the second mobile unit.
In the prior art, it is fixing logical by physics between the first and second mobile units being located at train two ends respectively
Letter link carries out data transmission, and during operation (except automatically turning back the stage), first and second mobile units at two ends are little
Carry out data interaction using physics fixed line communication link between the two, this results in physics fixed line communication link between the two
Utilization rate is low, fails effective exploitation and utilizes this physics fixed line communication link.
To sum up, embodiments provide a kind of detection method of integrity of train, train includes the first mobile unit
With the second mobile unit, the first mobile unit is calculated primary importance, and obtains the second position of the second mobile unit, and then
In conjunction with the train path pre-seting and train length, according to primary importance and the second position, judge whether train is complete.The present invention
The first mobile unit that the method that embodiment provides is carried in itself based on train and the second mobile unit are carried out, and order of accuarcy is high,
Will not be affected by train interface, and be taken full advantage of train resources, be improve during operation first and second vehicle-mounted
The usage degree of the communication link between equipment.
While it is disclosed that embodiment as above, but described content is only to facilitate understanding the present invention and adopting
Embodiment, is not limited to the present invention.Technical staff in any the technical field of the invention, without departing from this
On the premise of the disclosed spirit and scope of invention, any modification and change can be made in the formal and details implemented,
But the scope of patent protection of the present invention, still must be defined by the scope of which is defined in the appended claims.
Claims (9)
1. a kind of detection method of integrity of train is it is characterised in that described train includes being located at respectively the first of train two ends
Mobile unit and the second mobile unit, the method includes：
Described first mobile unit obtains from the information turning finally to transponder group；
Described first mobile unit according to the information getting, in conjunction with first speed of service getting and the train road pre-seting
Line computation primary importance, wherein, described first speed of service is the train running speed that described first mobile unit gets, institute
State the current location that primary importance is described first mobile unit；
Described first mobile unit obtains the second position from described second mobile unit, and wherein, the described second position is institute
State the current location of the second mobile unit；
Described first mobile unit combines the train path pre-seting and train length, according to described primary importance and described second
Position, judges whether described train is complete；
Described first mobile unit obtained before the second position of described second mobile unit, also included：
Described second mobile unit obtains from the information turning finally to transponder group；
Described second mobile unit according to the information getting, in conjunction with second speed of service getting and the train road pre-seting
The line computation second position, wherein, described second speed of service is the train running speed that described second mobile unit gets；
The calculated described second position and second speed of service getting are sent to described by described second mobile unit
First mobile unit.
2. method according to claim 1 is it is characterised in that described first mobile unit combines the train path pre-seting
And train length, according to described primary importance and the described second position, judge whether described train completely includes：
Described first mobile unit combines the train line pre-seting, and according to described primary importance and the described second position, calculates
The length of the track between described first mobile unit and described second mobile unit；
Described first mobile unit judge the length of track between described first mobile unit and described second mobile unit and
It is first pre-conditioned whether train length meets, and described first is pre-conditioned vehicle-mounted with described second for described first mobile unit
The absolute value of the difference between the length of the track between equipment and train length is less than preset length, thus whether judging train
Completely.
3. method according to claim 2 is it is characterised in that described first mobile unit determines described first vehicle-mounted sets
The length of track between standby and described second mobile unit and train length meet first pre-conditioned when, also include：
Described first mobile unit judges whether described first speed of service and described second speed of service meet the second default bar
Part, the described second pre-conditioned absolute value for the difference between described first speed of service and described second speed of service is less than
Pre-set velocity, thus judge whether train is complete.
4. method according to claim 2 is it is characterised in that described first mobile unit judges described first mobile unit
It is pre-conditioned, thus judging train whether the length of track and described second mobile unit between and train length meet first
Whether completely include：
If in the cycle of the continuous predetermined number of described first mobile unit, all determining described first mobile unit and described second car
The length of the track between load equipment and train length do not meet first pre-conditioned when, judge that train disconnects, otherwise, judge
Train is complete.
5. method according to claim 3 is it is characterised in that described first mobile unit judges described first speed of service
Second pre-conditioned with whether described second speed of service meets, thus judging whether train completely includes：
If the cycle of the continuous predetermined number of described first mobile unit, all determine described first speed of service and described second fortune
Scanning frequency degree do not meet second pre-conditioned when, judge that train disconnects, otherwise, judge that train is complete.
6. method according to claim 4 is it is characterised in that described second mobile unit is by calculated described second
Before position is sent to described first mobile unit, also include：
Described first mobile unit and described second mobile unit set up secured session, and described second mobile unit determines encryption side
Method, described first mobile unit determines decryption method.
7. method according to claim 6 is it is characterised in that described second mobile unit is by calculated described second
When position is sent to described first mobile unit, also described second speed of service is sent to described first mobile unit and includes：
Described second mobile unit, according to the encryption method determining, is transported to the calculated described second position and described second
Scanning frequency degree carries out packaging ciphering, generates encryption data bag；
Described encryption data bag is sent to described first mobile unit by described second mobile unit.
8. method according to claim 7 is it is characterised in that described first mobile unit combines the train path pre-seting
And train length, according to described primary importance and the described second position, before judging whether described train is complete, also include：
Whether the described first mobile unit encryption data bag that receives of inspection is from described second mobile unit, if so,
Described first mobile unit, according to the decryption method determining, is decrypted operation to described encryption data bag, obtains described second
Position and described second speed of service.
9. the method according to any one of claim 1 to 8 is it is characterised in that described first mobile unit, described second car
Load equipment is each stored with from multiple information turning finally to transponder group, described first mobile unit and described second vehicle-mounted
Information that equipment is stored is corresponding turn finally to transponder group number equal.
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| CN201510356905.7A CN104925090B (en) | 2015-06-25 | 2015-06-25 | A kind of detection method of integrity of train |
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| CN201510356905.7A CN104925090B (en) | 2015-06-25 | 2015-06-25 | A kind of detection method of integrity of train |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109606423A (en) * | 2018-12-10 | 2019-04-12 | 上海电气泰雷兹交通自动化系统有限公司 | Zone controller and non-communicating integrity of train judgment method |
| CN110356439B (en) * | 2019-07-31 | 2020-06-23 | 北京市交大路通科技有限公司 | Train integrity detection method, device and system |
| CN110745162A (en) * | 2019-09-04 | 2020-02-04 | 北京全路通信信号研究设计院集团有限公司 | Train integrity checking method and system |
| CN111169512B (en) * | 2019-12-29 | 2021-11-26 | 合肥工业大学 | Method and system for checking grouping integrity of rail locomotive vehicle |
| CN111267911B (en) * | 2020-02-10 | 2022-06-17 | 兰州交通大学 | Train integrity detection method |
| CN115402376A (en) * | 2022-08-30 | 2022-11-29 | 通号城市轨道交通技术有限公司 | Train integrity detection method and device |
| CN115285176A (en) * | 2022-10-08 | 2022-11-04 | 卡斯柯信号(北京)有限公司 | Train integrity detection method and device |
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| US20080243320A1 (en) * | 2007-03-30 | 2008-10-02 | General Electric Company | Methods and systems for determining an integrity of a train |
| CN101554878B (en) * | 2009-05-20 | 2012-05-30 | 北京交通大学 | System for realizing remote monitoring of integrity of train and method |
| US8942868B2 (en) * | 2012-12-31 | 2015-01-27 | Thales Canada Inc | Train end and train integrity circuit for train control system |
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