CN107554556A - Heavy haul railway moving block system based on radio communication - Google Patents

Abstract

The present invention relates to field of track traffic, discloses a kind of heavy haul railway moving block system based on radio communication, and the system includes：Communication equipment, location equipment, onboard control device and radio block center, wherein, the onboard control device is located on train, for receiving train position information from the location equipment；The communication equipment is connected with the onboard control device, for sending the train position information；And the radio block center is located at ground, driving license is sent for receiving the train position information, and according to the train position information, the communication equipment is additionally operable to receive the driving license.Heavy haul railway moving block system based on radio communication can effectively reduce the quantity of track installation transponder and improve train positioning precision and efficiency, track equipment maintenance cost is reduced, while ensures alignment system availability in particular circumstances and a kind of perfect practical heavy haul railway movable block system is provided.

Description

Heavy haul railway moving block system based on radio communication

Technical field

The present invention relates to track traffic, more particularly to a kind of heavy haul railway moving block system based on radio communication.

Background technology

After occlusion refers to that train enters section, it is allowed to be isolated from the outside, section both ends station is all no longer to this area Between dispatch a car, to prevent from train colliding and knocking into the back.This is the concept of early stage single-track railway, now referred to as semiautomatic block.With skill Art develops, and railway needs to increase transport capacity, after especially single-track railway develops into double track railway, occurs automatically closing up general Read, interval division that will be between two stations be several block sections, only one train operation of permission in each block section.Occlusion Equipment is the railway section letter realized " in a section (block section), the same time only allows a train occupation " and set Number equipment.

The fixed block system based on track circuit and ground signal is generally used in heavy haul railway at present, with driver people Train Detection and Identification is realized based on work driving, supplemented by systematic protection, is shown using ground signal and is used as running token.Signal system with Vehicle-mounted train operation monitoring and recording device (abbreviation LKJ)+cab signal+ground signal is formed：LKJ takes vehicle-mounted storage circuit to believe Breath, the mode combination track circuit low-frequency information of temporary speed limitation information calculate the speed of service of controlling curve monitoring train, locomotive Signal is set by receiving the low-frequency information instruction front ground signal state that track circuit is sent, ground signal by interlocking or occlusion Standby control shows instruction train running information by colour-light signals.

Heavy haul railway trackside signal facility includes station interlocking equipment and interval occlusion device, station interlocking equipment guarantee car To stand the security control of route, the tracking train intervals that interval occlusion device is implemented in combination with shuttle train with cab signal control, if Section ground signal (general to be shown using three displays or four).The rough of train is realized using track circuit in section and station Positioning and integrity checking.

In urban track traffic, traditional movable block train is operationally, it is necessary to carry out initial alignment.Train is passing through The position and direction of train operation can be determined after the continuous transponder in two, ground, so as to obtain initial alignment.

To ensure the precision of train initial alignment, in two transponders of train initial alignment, second transponder It can not be loop wire transponder.If train, during initial alignment, second transponder of process is loop wire transponder, loop wire Transponder radiation scope is larger, train can not accurately definite response device position, then train can not complete initial alignment, wait to arrange When car passes through next transponder (non-loop wire) again, it can just complete to position.

Train is in driving procedure, in order to ensure the precision of position, it is necessary to continuous positioning and progress position correction.It is vehicle-mounted to set It is distance travelled for that can be calculated by progressive rate, pass through pulse transducer and electronic map on the basis of train initial position Realize and consecutive tracking detection is carried out to online operation train, and train position is calibrated using the transponder on circuit, with Realize that train positions.The reception condition of system monitor transponder, when the transponder received is in rational scope, carry out train The correction of position；The transponder outside permissible range is received when train, or continuously after two position correction transponders of loss, train is lost Lose positioning.

In above-mentioned train targeting scheme, every kilometer is required for arranging transponder, needs to arrange multigroup transponder in station, In heavy haul railway, working line is longer, and circuit many places are in mountain area and other physical features difficult regions, the arrangement of transponder and maintenance meeting Spend substantial amounts of cost.

Traditional movable block train initial alignment needs to position by two transponders, in heavy haul railway, row Car moves more danger in the case of no position, and the speed of service is relatively low, and efficiency of dispatching a car can not improve.

The content of the invention

Heavy haul railway moving block system provided by the invention based on radio communication can effectively reduce track installation should Answer the quantity of device and improve train positioning precision and efficiency, reduce track equipment maintenance cost, while ensure alignment system in spy Availability under different environment and provide a kind of perfect practical heavy haul railway movable block system.

To achieve these goals, one aspect of the present invention provides a kind of heavy haul railway movable block system based on radio communication System, the system include：Communication equipment, location equipment, onboard control device and radio block center, wherein, the vehicle-mounted control Control equipment is located on train, and for receiving train position information from the location equipment, the location equipment includes satellite fix Equipment；The communication equipment is connected with the onboard control device, for sending the train position information；It is and described wireless Occlusion is centrally located at ground, and driving license is sent for receiving the train position information, and according to the train position information, The communication equipment is additionally operable to receive the driving license.

Preferably, the communication equipment is TD-LTE communication equipments.

Preferably, the system also includes：Temporary speed limitation server, positioned at ground, for download temporary speed limitation data and The temporary speed limitation data and database data are stored, and sends temporary speed limitation data and database data to the wireless blocking Center.

Preferably, the system also includes：Speed measuring equipment, it is connected with the onboard control device, for test the speed concurrently Velocity information is sent to the onboard control device.

Preferably, the system also includes：Train End Equipment, positioned at last vehicle of train, for detecting blast and the position of row tail, and Send the blast and positional information of the row tail；The communication equipment is additionally operable to receive the blast and positional information；The car Control device is carried to be additionally operable to determine to arrange according to the positional information of the train position information, the blast of the row tail and the row tail Whether car is complete.

Preferably, the system also includes：At least one transponder, ground is arranged at along track, for transponder beacon position Confidence ceases.

Preferably, the onboard control device is additionally operable to：According to the train position information, velocity information, described Driving license and electronic map, control the train automatic Pilot.

Preferably, the system also includes：It is multiple by semaphore, multistage track circuit and multiple wheel counting apparatus, it is described more Individual wheel counting apparatus be separately positioned on adjacent two station home signal and it is multiple by semaphore at, wherein the multiple pass through signal In the section that the home signal that machine is separately positioned on adjacent two station is formed using by the interval division as multiple sections, Whether the wheel counting apparatus is idle for detecting each section；Each the multiple by semaphore is used for by semaphore Indication signal is shown according to the testing result of the wheel counting apparatus of corresponding section；The multistage track circuit is separately positioned on train and arrived In the preset range advanced up to each the multiple by semaphore by semaphore, in the multistage track circuit Each section of track circuit is used to send Train Control code according to the corresponding indication signal shown by semaphore；And the car Control device is carried to be used to receive the Train Control code and control train operation according to the Train Control code.

Preferably, the system also includes Centralized Dispatching System, wherein, the onboard control device is sent out to Centralized Dispatching System Send the request of inquiry route map of train；The Centralized Dispatching System obtains corresponding according to the request in Train operation plan service chart In the train train operation plan and send the train operation plan to the onboard control device；The vehicle-mounted control Equipment prepares to dispatch a car according to the train operation plan；In the case where completion is dispatched a car in train preparation, the dispatching concentration System is that the train handles outgoing route according to the train operation plan.

Preferably, the system also includes data transmission device, wherein, the device includes：Encapsulation unit, for generating first Encapsulated data packet, first network address and first end slogan of first encapsulated data packet including the signalling arrangement, The second network address and second port number and the first data of echo signal equipment；And transmitting element, for logical to first Believe that equipment sends first encapsulated data packet；Wherein described first communication equipment can be according to being stored in DNS domain name service Second network address and the mapping relations of the second corresponding communication equipment in device, by first encapsulated data packet It is sent to the second communication equipment corresponding with the echo signal equipment.

Pass through above-mentioned technical proposal, the heavy haul railway moving block system based on radio communication include：Communication equipment, positioning Equipment, onboard control device and radio block center, wherein, the onboard control device is located on train, for from described Location equipment receives train position information, and the location equipment includes mobile satellite location equipment；The communication equipment with it is described vehicle-mounted Control device connects, for sending the train position information；And the radio block center is located at ground, for receiving Train position information is stated, and driving license is sent according to the train position information, the communication equipment is additionally operable to described in reception Driving license.The quantity of track installation transponder can effectively be reduced and improve train positioning precision and efficiency, track is reduced and set Standby maintenance cost, while ensure alignment system availability in particular circumstances and a kind of perfect practical heavy haul railway is provided Movable block system.

Brief description of the drawings

Fig. 1 is the structural representation for the heavy haul railway moving block system based on radio communication that one embodiment of the invention provides Figure；

Fig. 2 is the temporary speed limitation for the heavy haul railway moving block system based on radio communication that one embodiment of the invention provides The flow chart of method；

Fig. 3 is the speed measuring equipment for the heavy haul railway moving block system based on radio communication that one embodiment of the invention provides Structural representation；

Fig. 4 is that the train for the heavy haul railway moving block system based on radio communication that one embodiment of the invention provides is complete The structural representation of property detecting system；

Fig. 5 A-5B are the heavy haul train descending automatic Pilot methods based on movable block that one embodiment of the invention provides Flow chart；

Fig. 6 is the heavy haul railway movable block train simulation platform based on radio communication that one embodiment of the invention provides Structural representation；

Fig. 7 is the heavy haul railway movable block degraded running system based on radio communication that one embodiment of the invention provides Structural representation；

Fig. 8 is the heavy haul railway movable block degraded running system based on radio communication that one embodiment of the invention provides Schematic diagram；

Fig. 9 is the structure for the heavy haul railway movable block CBTC systems based on radio communication that one embodiment of the invention provides Schematic diagram；

Figure 10 is that the heavy haul railway movable block based on radio communication that one embodiment of the invention provides is used for signalling arrangement Data transmission device structural representation；And

Figure 11 is that the heavy haul railway movable block based on radio communication that one embodiment of the invention provides is used for communication equipment Data transmission device structural representation.

Description of reference numerals

The communication equipment of 1 radio block center 2

The onboard control device of 3 location equipment 4,74,91

The inertial navigation sensor of 31 velocity sensor 32

The radar sensor of 33 velocity process unit 34

The GPS location equipment of 41 first GPS location equipment 42 second

61 true interlock devices 62 emulate relay assembly frame

The 63 emulation real estate controllers of trackside equipment 64

65 true 66 true Vehicle Controllers of relay assembly frame

67 emulation 68 true trackside equipments of Vehicle Controller

The 69 red nets of the portable safety of tester 610

The 611 blue wheel counting apparatus of net 71 of safety

72 pass through the track circuit of semaphore 73

The radio block center of 92 Centralized Dispatching System 93

The encapsulation unit of 94 interlock device 101

102,112 transmitting elements

103,111 receiving units

104 decapsulation units.

Embodiment

The embodiment of the present invention is described in detail below in conjunction with accompanying drawing.It should be appreciated that this place is retouched The embodiment stated is merely to illustrate and explain the present invention, and is not intended to limit the invention.

Fig. 1 is the structural representation for the heavy haul railway moving block system based on radio communication that one embodiment of the invention provides Figure.As shown in figure 1, including：Communication equipment 2, location equipment 3, onboard control device 4 and radio block center 1, wherein, institute State onboard control device 4 to be located on train, for receiving train position information from the location equipment, the location equipment 3 is wrapped Include mobile satellite location equipment；The communication equipment 2 is connected with the onboard control device 4, for sending the train position information； And the radio block center 1 is located at ground, for receiving the train position information, and according to the train position information Driving license is sent, the communication equipment 2 is additionally operable to receive the driving license.

Preferably, the communication equipment 2 is TD-LTE communication equipments.

Movable block onboard control device 4 is by TD-LTE wireless communication systems via LTE broadband wireless networks to wireless Inaccessible center RBC sends driver and selects input and the data (such as running number, train length) confirmed, train intrinsic property data (type of train, train maximum permission speed, traction model etc.), registration of the onboard control device in RBC, log-off message, periodically To RBC reports train position, train speed, train status (when normal) and onboard control device fault type (when improper) letter Breath, the restricted information of train and text message etc..Meanwhile onboard control device 4 receives the driving that RBC is sent and permits, be urgent Parking, temporary speed limitation, external alert information and text message etc..

TD-LTE communication equipments are responsible for the information transmit-receive between ground RBC and onboard control device 4.TD-LTE communication equipments On every locomotive, one end is connected by bus with onboard control device 4, and the other end eats dishes without rice or wine to connect by LTE communication module Enter LTE broadband wireless networks.

Onboard control device 4 receives the route information of fixed line information and change by RBC, should by receiving ground Answer device information and combine the positional information that ranging of testing the speed obtains train, permitted by the RBC received the drivings provided, interim limit Speed, line information etc. combine itself braking ability and calculate dynamic monitoring curve, and control car order is transmitted by train interface unit To locomotive braking system, service braking or brake hard are implemented by locomotive braking system.

RBC systems are mainly by RBC host processing units, communication controler, interlocking/self-locking and synchronous safety unit, TD- The part such as LTE network interface equipment, RBC maintenance machines forms, and system architecture uses an A machine and a B machine as one group, totally two groups Four, the hardware security computer platform for the redundancy that every group of A machine and B machine results are contrasted；TD-LTE network interfaces are set It is standby, for receiving the train position information and sending the driving license.TD-LTE Network Interface Units are arranged on ground Central machine room, one end connect terrestrial wireless occlusion center 1, other end access LTE broadband wireless network gateways by Ethernet.

Have that advanced technology, anti-interference be good, transmission rate using TD-LTE heavy haul railway movable block control system High, the advantages that frequency usage is economic, change track circuit effective information is small, the unidirectional information transfer that is only capable of ground-car it is intrinsic Shortcoming.

The location equipment 3 can include mobile satellite location equipment, and mobile satellite location equipment is used to obtain satellite fix letter from satellite Breath；At least one transponder can also be included, ground is arranged at along track, for providing transponder location information；Vehicle-mounted control Equipment 4 is used to obtain satellite positioning information and from transponder acquisition transponder location information from satellite positioning device, and according to Transponder location information is corrected to satellite positioning information.

Because transponder sets interval farther out in invention, the part response device of tunnel foreign section in heavy haul railway circuit Replaced by the virtual transponder data in electronic map, virtual transponder reality is simultaneously not present, simply stored in electronic map Kilometer post and corresponding geographical location information.Some virtual transponders are set in electronic map, beforehand through positioning or other Mode determines the kilometer post and geographical coordinate position of virtual transponder, while the position in electronic map and corresponding geography are sat Mark is mapped., equally can be according to the public affairs of virtual transponder when heavy haul train passes through virtual transponder from electronic map In be marked with and geographical coordinate position is corrected to satellite positioning information.Satellite positioning information is in fact geographical position coordinates letter Breath, satellite positioning information can be converted to kilometer post by electronic map, to complete the process of satellite fix.

The location equipment 3 can include base station, positioned at station, for obtaining the satellite position error information of current location； When the heavy haul train passes through the station, the onboard control device 4 is obtained for sending current location from the base station Satellite position error information.Base station has a satellite positioning device of itself, the accurate geographic position coordinate of itself known to base station, The satellite positioning device being had according to itself accurate geographical position coordinates with itself contrasts, and calculates satellite fix mistake at this point Difference, the satellite position error of the base station is substantially equal to by heavy haul train satellite position error during this place, therefore is arranged in heavy duty When car is by base station, heavy haul train receives the satellite position error information that base station is sent, and according to satellite position error information The satellite positioning information of oneself is corrected, obtains accurate location information.

Satellite navigation signals can not be received such as in tunnel, can be with operating speed sensor also during no arrangement transponder 31 or the geographical coordinate error that is positioned of inertial navigation unit compensation satellite navigation.

The quantity of track installation transponder can be effectively reduced using the location equipment and improves train positioning precision and effect Rate, track equipment maintenance cost is reduced, while ensure the availability of alignment system in particular circumstances.

In addition, the heavy haul railway moving block system based on radio communication can also include：Temporary speed limitation server, it is located at Ground, for downloading temporary speed limitation data and the storage temporary speed limitation data and database data, and send temporary speed limitation Data and database data are to the radio block center.Fig. 2 is the weight based on radio communication that one embodiment of the invention provides Carry the flow chart of the temporary speed-limiting method of railway moving block system.As shown in Fig. 2 the temporary speed limitation server performs interim limit Fast method comprises the following steps：

Step S21, the first temporary speed limitation information is received from dispatching concentration control device；

Step S22, the first temporary speed limitation information is sent to radio block center；

Step S23, when receiving the temporary speed limitation information to come into force from the radio block center within first scheduled time, Whether the temporary speed limitation information to be come into force described in judgement and the first temporary speed limitation information are consistent；

Step S24, when the first temporary speed limitation information is consistent with the temporary speed limitation information to come into force, described in storage First temporary speed limitation information, and sending instruction makes the radio block center using the temporary speed limitation information to come into force to heavy duty Train carries out speed limit；

Step S25, in the first temporary speed limitation information and the inconsistent temporary speed limitation information to come into force, send out again The first temporary speed limitation information is sent to the radio block center.

After the first temporary speed limitation information is received from dispatching concentration control device, this method can also include：Judge institute State whether the first temporary speed limitation information meets preset requirement；When the first temporary speed limitation information meets preset requirement, feedback Successful information is confirmed to the dispatching concentration control device, and sends the first temporary speed limitation information into the wireless blocking The heart.

When the first temporary speed limitation information meets preset requirement, this method can also include：In second scheduled time It is interior to receive the second temporary speed limitation information from the dispatching concentration control device；Judge the second temporary speed limitation information and described the Whether one temporary speed limitation information is consistent；When the second temporary speed limitation information is consistent with the first temporary speed limitation information, hair The first temporary speed limitation information is sent to the radio block center.

This method can also include：It is interim that temporary speed limitation value in the first temporary speed limitation information is more than described first During the speed limit threshold value of track section corresponding to speed-limiting messages, transmission setting successful information to the dispatching concentration control device is simultaneously same Shi Jinhang alarms.

In the first temporary speed limitation information and the inconsistent temporary speed limitation information to come into force, this method can also wrap Include：The first temporary speed limitation information is resend to the radio block center.

Receive the temporary speed limitation information to come into force after in first scheduled time, and it is described first interim When speed-limiting messages and the inconsistent temporary speed limitation information to come into force, this method can also include：Send the previously stored 3rd Temporary speed limitation information is to the radio block center.

After the radio block center is carried out speed limit to heavy haul train using the temporary speed limitation information to come into force, This method can also include：It will be sent from the first speed limit revocation information that the dispatching concentration control device receives to the nothing Line occlusion center；The second speed limit fed back in response to the first speed limit revocation information is received from the radio block center to remove Sell information；Judge when the first speed limit revocation information is consistent with the second speed limit revocation information, storage first limit Fast revocation information simultaneously sends the first speed limit revocation information to the dispatching concentration control device；Receive the dispatching concentration control Control equipment to the confirmation of the first speed limit revocation information, and send the confirmation to the radio block center with The radio block center is set to be cancelled using the second speed limit revocation information to temporary speed limitation.

Judge that this method can be with when the first speed limit revocation information and the second speed limit revocation information are inconsistent Including：The first speed limit revocation information is resend to the radio block center.

After being cancelled in the radio block center using the second speed limit revocation information to temporary speed limitation, the party Method can also include：The speed limit revocation information of executed is received from the radio block center.

After the speed limit revocation information of executed of the radio block center feedback is received, this method can also wrap Include：Judge whether speed limit revocation information and the first speed limit revocation information of the executed are consistent；In the executed When speed limit revocation information is consistent with the first speed limit revocation information, the first speed limit revocation information of storage is deleted.

Use above temporary speed-limiting method, manual operation may be brought while can effectively mitigating operating personnel's pressure Potential risk minimize, improve the security of system.

In addition, being somebody's turn to do the heavy haul railway moving block system based on radio communication can also include：Speed measuring equipment, with the car Control device connection is carried, for being tested the speed and being sent velocity information to the onboard control device.Fig. 3 is that the present invention one is implemented The structural representation of the speed measuring equipment for the heavy haul railway moving block system based on radio communication that example provides.As shown in figure 3, should Speed measuring equipment includes：Velocity sensor 31, inertial navigation sensor 32 and velocity process unit 33, wherein, the velocity sensor 31 at the heavy haul train wheel shaft, for detecting the rotating speed of the heavy haul train wheel shaft；The inertial navigation sensor 32 is located at At the heavy haul train car body, for detecting First Speed of the heavy haul train car body with respect to ground；And at the speed Reason unit 33 is connected with the velocity sensor 31 and the inertial navigation sensor 32, for being examined according to the velocity sensor 31 The rotating speed for the heavy haul train wheel shaft surveyed and the heavy haul train car body of the inertial navigation sensor 32 detection are with respect to ground First Speed determine the heavy haul train speed.

The speed measuring equipment can also include：Radar sensor 34, it is connected with the velocity process unit 33, positioned at described heavy Carry at train body, for detecting second speed of the heavy haul train car body with respect to ground.Radar sensor 34 is positioned at described Heavy haul train headstock windscreen, can be by setting tranmitting frequency, and using the difference on the frequency sent with reception signal, calculates train Speed.

In the present embodiment, two velocity sensors 31 provide the rotating speed of wheel shaft, radar sensor 34 and inertial navigation sensing Device 32 provides translational speed of the car body with respect to ground, and velocity process unit 33 is by the translational speed and wheel shaft on car body ground relatively Rotating speed carries out fusion calculation and obtains heavy haul train speed.

First, whether the working condition that velocity process unit 33 is reported also according to each sensor, judge single sensor Failure, and obtain the value that tests the speed of normal work sensor.

For the rotating speed of wheel shaft：When two velocity sensors 31 have one of failure, another velocity pick-up is obtained The rotating speed for the wheel shaft that device 31 detects；In two 31 equal failures of velocity sensor, then the Rotating speed measring result of wheel shaft is invalid；Two When individual velocity sensor 31 is normal, the average value of the rotating speed for the wheel shaft that two velocity sensors 31 detect is obtained.

Then, for translational speed of the car body with respect to ground：It is normal in the failure of inertial navigation sensor 32, radar sensor 34 When, obtain radar sensor 34 detect car body with respect to ground translational speed；In radar sensor 34 and inertial navigation sensor 32 During equal failure, then car body is invalid with respect to the translational speed testing result on ground；In the failure of radar sensor 34, inertial navigation sensor 32 When normal, translational speed of the car body with respect to ground of the detection of inertial navigation sensor 32 is obtained.

When the Rotating speed measring result of wheel shaft is invalid, it is defined by car body with respect to the translational speed on ground and calculates heavy haul train speed Degree；When car body is invalid with respect to the translational speed testing result on ground, it is defined by the rotating speed of wheel shaft and calculates heavy haul train speed； When the rotating speed and car body of wheel shaft are effective with respect to the translational speed on ground, calculate heavy haul train translational speed respectively with the two and incite somebody to action Result of calculation is averaged to obtain final result.

Respectively there is its pros and cons using radar sensor 34 and inertial navigation sensor 32, such as disturbed in excess surface water or high-intensity magnetic field In the case of, the failure of radar sensor 34 can be given tacit consent to, and obtain mobile speed of the car body relative to ground of the detection of inertial navigation sensor 32 Degree, but because inertial navigation sensor 32 has the defects of described above, therefore still need radar sensor 34 and carry out redundancy.

The speed measuring equipment ensure that the accuracy and availability of heavy haul train tachometric survey in the presence of a harsh environment.

In addition, integrity of train detection system can also be included based on the heavy haul railway moving block system of radio communication System, wherein the train integrality detection system includes：Train End Equipment, positioned at last vehicle of train, for detecting blast and the position of row tail Put, and send the blast and positional information of the row tail；The communication equipment is additionally operable to receive the blast and positional information；Institute State onboard control device be additionally operable to it is true according to the positional information of the train position information, the blast of the row tail and the row tail Whether complete determine train.

Fig. 4 is that the train for the heavy haul railway moving block system based on radio communication that one embodiment of the invention provides is complete The structural representation of property detecting system.As shown in figure 4, can be with for detecting the first GPS location equipment 41 of train position information First positioned at row, Train End Equipment can also have mobile satellite location equipment, such as the second GPS location equipment 42 is determined to enter ranks tail position Position, and the position of the train position information and row tail provided in the strong area of satellite-signal using sharp mobile satellite location equipment is provided Information carries out integrity of train detection, takes the method for blast change detection integrity of train in the weak area of satellite-signal Make up the deficiency of satellite fix.To achieve these goals, in the case where getting the train location data, vehicle-mounted control Equipment determines whether train is complete, i.e., now satellite-signal is preferable according to the train location data, can be with satellite-signal Location data judges integrity of train；And in the case where not getting the train location data, according to the row tail Wind pressure data determines whether train is complete, i.e., now satellite-signal is weaker, it is necessary to determine integrity of train using wind pressure data.

Alternatively, it is also possible to use the deterministic process of redundancy, i.e., in the case where getting the train location data, according to The train location data determines whether train is complete and incited somebody to action it is confirmed that no complete result is as the first result, according to described Row tail wind pressure data determine train it is whether complete and will it is confirmed that no complete result as the second result, the first result and the Having a proof train in two results, imperfect to be defined as train imperfect；And the train location data is not being got In the case of, determine whether train is complete according to the row tail wind pressure data.

The train location data includes the row head elements of a fix and the row tail elements of a fix in N number of cycle, and the car Following calculating process can be performed by carrying control device：

According to the row head elements of a fix and train running speed in the N-1 cycle, calculate row it is first from a cycle to The first distance travelled S of the row in the N-1 cycle_TN-1；

According to the row tail elements of a fix, train running speed and the transmission delay in the N-1 cycle, row tail is calculated from the Row tail distance travelled S of a cycle to the N-1 cycle_WN-1；

Calculate the first distance travelled S of the row_TN-1With the distance travelled S of row tail_WN-1Difference；

In the case where the difference is more than predetermined integrity thresholds E, i.e. S_TN-1-S_WN-1＞ E, determine that train is imperfect, its Middle N is the positive integer more than or equal to 1.

Specifically, the first distance travelled S of the row_TN-1It can be calculated according to below equation：

S_TN-1=A₂-A₁+A₃-A₂+…+A_N-1-A_N-2

And the distance travelled S of row tail_WN-1It can be calculated according to below equation：

Wherein：

Wherein B₁、B₂、B₃……,B_N-2、B_N-1The row tail kilometer cursor position in respectively the 1st cycle to N-1 cycle； C_N-2、C_N-1、C_NThe respectively row tail elements of a fix in the N-2 cycle to n-th cycle；V_N-2And V_N-1Respectively respective column tail is determined Position coordinate C_N-2And C_N-1The train running speed of position；T_N-2And T_N-1Respectively N-2 cycle and the N-1 cycle by institute State the row tail elements of a fix and be sent to the first transmission delay of row, transmission delay can be implemented to calculate or set preset parameter.

Row tail wind pressure data can include row tail air draft speed and row a tail wind pipe pressure value.Onboard control device can be Determine that the train is imperfect in the case of at least one satisfaction below：

(1) row tail air draft speed is more than or equal to predetermined air draft speed, such as >=80kPa/s etc. other values, using this The reason for one criterion, is that inventor has found：Train is depressurized or filled during wind, and row a tail wind pressure follows blast main pressure change, But the change of blast main pressure is lagged behind, and amplitude of variation is consistent with blast main pressure.Disintegration, disconnection etc. occurs when train occurs When integrality loses failure, it is more likely that cause air main to be broken and leak out, the phenomenon of appearance for airduct air draft speed it is too high (>= 80kPa/s), therefore it can be determined that integrity of train is lost.

(2) difference of row a tail wind pressure pipe pressure value and the first wind-pressure tube pressure value of row is more than or equal to scheduled pressure value, such as >= 10kPa etc. other values, it is using the reason for this criterion, inventor has found：Usual train in the process of running, locomotive position In train head (i.e. row are first), Train End Equipment is adsorbed at last vehicle of train (i.e. row tail).In train travelling process, do not subtract in train Under stable state after pressure or decompression, the afterbody air duct pressure that blast main pressure is reported with row tail is consistent substantially, therefore is worked as During difference >=scheduled pressure value of head and the tail blast, then it can be determined that integrity of train is lost.

The integrity of train detection method can be according to the train location data and row tail wind pressure data obtained in real time, accurately Ground, effectively determine whether train is complete, realize and lifting the operational efficiency of goods train, improving the same of safety factor of travel When, the labor intensity of driver and conductor is effectively reduced, to meet the highdensity developing direction of freight rail heavy duty.

In addition, also include automated driving system based on the heavy haul railway moving block system of radio communication, it is automatic at this In control loop, a kind of descending automatic Pilot method is especially provided.Control logic and meter in the descending automatic Pilot method Calculation can be completed by onboard control device.

Fig. 5 A-5B are the heavy haul train descending automatic Pilot methods based on movable block that one embodiment of the invention provides Flow chart.As indicated by figures 5 a-5b, the descending automatic Pilot method includes：

Step S511, judges whether the heavy haul train is braked；

When the heavy haul train is braked, step S522 is performed；

Step S512, when the heavy haul train is not braked, judge whether the equivalent acceleration of the gradient exceedes electric braking most Big retarding degree；

When the equivalent acceleration of the gradient exceedes the maximum deceleration of the electric braking, step S533 is performed；

Step S513, in maximum deceleration of the equivalent acceleration of the gradient not less than the electric braking, described in judgement Whether heavy haul train speed is higher than the early warning advisory speed；

Step S514, when the heavy haul train speed is higher than the early warning advisory speed, output coasting instruction, to ensure The heavy haul train is without accelerating；

Step 5S15, when the heavy haul train speed is not higher than the early warning advisory speed, carry out normal automatic Pilot.

Wherein, step S522 and back to back step S524 are as follows：

Step S522, judges whether the speed of the heavy haul train is recommending to alleviate in section；

Step S523, when the speed of the heavy haul train is in described recommend in alleviation section, alleviate braking；

Step S524, when the speed of the heavy haul train is not in described recommend in alleviation section, braking is not alleviated.

Step S533 and back to back step S534 are as follows：

Step S533, judges whether the heavy haul train speed recommends in decompression section described；

When the heavy haul train speed is in described recommend in decompression section, step S513 is performed；

Step S534, when the heavy haul train speed is not in described recommend in decompression section, electric braking is carried out, to ensure The heavy haul train speed is down to described recommend in decompression section.

Normal automatic Pilot step is as follows：

Step S541, obtain actual speed and the position of the heavy haul train；

Step S542, the advisory speed of the heavy haul train is calculated according to the actual speed of the heavy haul train and position；

Step S543, the expectation that the heavy haul train is calculated according to the actual speed of the heavy haul train and advisory speed add Speed；

Step S544, according to the peak acceleration of the heavy haul train and it is expected acceleration calculation traction braking percentage；

Step S545, the traction or braking of the heavy haul train are controlled according to the traction braking percentage.

The recommendation referred in above step is alleviated section and calculated by following steps：Using 30km/h-45km/h described in Recommend the lower limit in alleviation section；The higher limit for recommending to alleviate section is calculated by below equation：

HJ=V-a₁× t,

Wherein, HJ is the higher limit for recommending to alleviate section, and V is the minimum speed limit in gradient query context, a in front of headstock₁ For the equivalent acceleration of the gradient and the difference of the maximum deceleration of electric braking in gradient query context in front of headstock, t is current Air-filled time corresponding to full row braking compression release amount.

Recommend alleviate section lower limit according to《Skill is advised》With《Run organization regulation》Defined heavy haul train service braking Alleviate lower velocity limit to be configured, it is 45km/h that ten thousand tons of heavy haul trains, which are recommended to alleviate interval limit value, and non-ten thousand tons of heavy haul trains push away It is 30km/h to recommend alleviation interval limit value.

The recommendation decompression section referred in above step is calculated by following steps：Obtain the heavy haul train advisory speed As the higher limit for recommending decompression section；The lower limit for recommending decompression section is calculated by below equation：

JY=max [(V₁-a₂×t₁),(V₂+a₂×t₂)],

Wherein, JY depressurizes the lower limit in section, V for recommendation₁For minimum speed limit at heavy haul train vehicle body, V₂For heavy haul train Present speed, a₂For the difference of the maximum deceleration of the equivalent acceleration of the gradient and electric braking at vehicle body, t₁For full row braking compression release The set-up delays time, t₂For remaining air-filled time after last full row release of brake.

In terms of automatic Pilot, mainly calculated certainly according to information such as electronic map, speed and driving licenses by mobile unit It is dynamic to drive advisory speed curve, bring the information such as present speed and automatic Pilot advisory speed, circuit road conditions into pid control algorithm Or other control algolithms (such control algolithm is algorithms most in use, usually using pid control algorithm or FUZZY ALGORITHMS FOR CONTROL), pass through Control algolithm obtain current train expectation acceleration (acceleration magnitude include it is positive and negative, on the occasion of for it is expected draw, negative value for it is expected make It is dynamic), traction braking percentage is calculated according to the acceleration performance of train, mobile unit uses the electricity with the prior provisioning interface of vehicle Stream or voltage range driving vehicle, traction braking control is carried out to vehicle according to the traction braking percentage of calculating, it is vehicle-mounted to set Standby that traction braking order is transferred into vehicle interface bus, vehicle interface bus carries out pulse width modulation, root according to bid value According to pulse signal control vehicle traction or brake, reach the purpose of automatic Pilot.

The descending automatic Pilot method can be such that heavy haul train is not braked again in air-filled time, ensure heavy haul train Effec-tive Function and automatic Pilot security.

In addition, the heavy haul railway moving block system provided by the invention based on radio communication can also include train simulation Platform.Fig. 6 is the knot for the heavy haul railway movable block train simulation platform based on radio communication that one embodiment of the invention provides Structure schematic diagram.As shown in fig. 6, the train simulation platform is based on CBTC systems, specifically include：Real vehicles, true interlocking Equipment 61, emulation relay assembly frame 62, emulation trackside equipment 63, real estate controller (Zone Controller, ZC) 64th, true relay assembly frame 65, true Vehicle Controller (Vehicle On-Board Controller, VOBC) 66, emulation Vehicle, emulation Vehicle Controller (VOBC) 67, true trackside equipment 68 (such as semaphore, track switch equipment etc.) and dynamics Model, emulation bridge etc. the composition similar to prior art, wherein the red He of net 610 of safety can be passed through between each equipment The blue net 611 of safety carries out redundancy communication, or only any one of the red net 610 of configuration safety and the blue net 611 of safety.For example, should CBTC system emulations test platform can realize that real vehicles are run on simulated line, and emulation vehicle can be directly with emulating trackside Equipment 63 is communicated, and vehicle location is reported to emulation trackside equipment 63；Real vehicles can by portable tester 69 to emulation rail Other equipment 63 reports actual vehicle position, real vehicles and emulation vehicle while receives the movement that true ZC 64 is sended over and awards Power.Thus, real vehicles may operate on simulated line.It should be appreciated that the quantity of each equipment shown in Fig. 6 is only Exemplary non-limiting example, those skilled in the art can configure the quantity of the said equipment according to actual conditions, and the present invention is right This is without limiting.

In addition, difference from prior art is, idea of the invention is that will using CBTC system emulations test platform Emulation vehicle is inserted on real line between the real vehicles of mobile block system operation, such as in the first real vehicles And second insert an emulation vehicle between real vehicles, the safe distance between vehicle is increased with this, ensures traffic safety Property, and be virtual vehicle due to being inserted into vehicle, consuming cost is relatively low, has saved the energy, and security is higher.

To achieve these goals, real vehicles can be run in real line, and emulation vehicle can be in simulated line Upper operation.Wherein, vehicle is emulated when simulated line is run, and emulation VOBC 67 is directly with emulating trackside equipment 63 and true ZC 64 communications, emulation VOBC 67 report emulation vehicle position information (i.e. the second place) etc. to true ZC 64, emulate trackside Section can be accounted for the information (i.e. the second line state information) such as pressure and be sent to emulation relay assembly frame 62 by equipment 63, further Issue true interlock device 61.It is true VOBC 66 and true interlock device 61, true and real vehicles are when real line is run The real direct communications of ZC 64, real vehicles position information (i.e. first position) etc., true relay are reported to true ZC 64 The state (i.e. first line status information) that combined bay 65 gathers true trackside equipment 68 is sent to true interlock device 61.

True interlock device 61 (such as computer interlocking rack) passes through first interface and the true relay assembly frame 65 connect and are connected by second interface with the emulation relay assembly frame 62, to receive the true relay assembly frame The first line status information of the true trackside equipment 68 of 65 collections and the emulation relay assembly frame 62 are adopted Second line state information of the emulation trackside equipment 63 of collection, such as computer interlocking rack pass through first rigid line Interface (first interface) is connected with true relay assembly frame 65, passes through second hardwire interface (second interface) and the emulation Relay assembly frame 62 connects.Specifically, above-mentioned line state information can (circuit accounts for pressure shape including track section occupied information State), trackside equipment status information etc. can react the information of line status.

Intert emulation vehicle between the real vehicles of the train simulation platform in real line, so as to realize that increase is true Safe distance between vehicle, improve the travel safety of the train controlled in a manner of movable block.

In addition, the heavy haul railway moving block system provided by the invention based on radio communication can also include degraded running System.Fig. 7 is the knot for the heavy haul railway movable block degraded running system based on radio communication that one embodiment of the invention provides Structure schematic diagram.As shown in fig. 7, the degraded running system includes：It is multiple to pass through semaphore 72, multistage track circuit 73, Duo Geji Axle device 71 and onboard control device 74, the multiple wheel counting apparatus 71 are separately positioned on the home signal at adjacent two station and more It is individual by semaphore at, wherein the multiple home signal institute structure that adjacent two station is separately positioned on by semaphore 72 Into section in so that by the interval division, as multiple sections, the wheel counting apparatus 71 is used for whether detect each section idle；Institute State the testing result that each multiple by semaphore 72 are used for the wheel counting apparatus 71 of section corresponding to by semaphore Show indication signal；The multistage track circuit 73 is separately positioned on train and reaches each the multiple by semaphore 72 In the preset range advanced by semaphore, each section of track circuit in the multistage track circuit 73 is used for according to corresponding The indication signal that is shown by semaphore 72 send Train Control code；And the onboard control device is used to receive the row Car control code simultaneously controls train operation according to the Train Control code.

It is described that semaphore can be passed through for two displays by semaphore 72, i.e., using green red light position mechanism, represent to permit respectively Perhaps pass through and no through traffic.Specifically, in the wheel counting apparatus section can be detected for idle feelings by semaphore 72 Under condition, configuring the indication signal instruction train allows to pass through, such as now shows green light by semaphore 72；And described In the case that wheel counting apparatus detects the section to take, configuring the indication signal instruction train, no through traffic, such as now Red light is shown by semaphore 72.

Wherein, the track circuit 73 can be accordingly in the case where indication signal instruction train allows to pass through (such as green light), sending allows code as Train Control code；And indicate the train situation that no through traffic in the indication signal Under (such as red light), transmission forbids code as Train Control code.

It should be understood that it is above-mentioned it is multiple by semaphore, multiple wheel counting apparatus, multistage track circuit quantity can basis Actual conditions (such as the length in section, type of train etc.) are selected, and it can be any appropriate quantity, and the present invention is to this Without limiting.

Fig. 8 is the heavy haul railway movable block degraded running system based on radio communication that one embodiment of the invention provides Schematic diagram.Several two displays are set to pass through semaphore in formed section as shown in figure 8, A stations and B stand, such as at two stations Between be provided with 2 framves by semaphore, respectively 001 and 003, be three sections by interval division, respectively 003QC, 001QC, XQC, it is respectively provided with track circuit 01G and 03G close to section, and the home signal at both ends station divides close to section Not She Zhiliao track circuit SJG and XJG, home signal and by being respectively provided with wheel counting apparatus at semaphore preferably can be with Configuring redundancy mechanism, such as a pair of wheel counting apparatus are set, for checking the section free time.Home signal and pass through the close of semaphore Place beyond section can be with rail-free circuit.

Section penetrating orbit circuit is not needed in i.e. above-mentioned design, the track circuit length close to section meets train from rule Determine requirement of the speed brake to parking, Lv Hongliang lamp positions mechanism is used by semaphore mechanism, represent to allow by and prohibit respectively Only pass through, the home signal at two stations and by semaphore set axis-counting device realize take out clear inspection, wherein vehicle-mounted control Control equipment can be train operation monitoring and recording device (LKJ) and cab signaling equipment, and it is that reception signal machine connects that main its, which wants function, Near region section track circuit signaling information, with reference to the track data of vehicle-mounted storage, monitor speed curve, assist driver are generated by LKJ Safe driving train operation.

Stood from A by equip the train of movable block onboard control device and illustrated to exemplified by the operation of B stations below.Movement is closed After filling in onboard control device failure, LKJ+ cab signals pattern (present mode) is can switch to, ground interlock device passes through detection 003 can determine whether 003QG free block sections, A stations XI exit signals by the number of axle of wheel counting apparatus at semaphore and S home signals Machine opens, and train is from A stations, into 003QG；Similarly, the axle of wheel counting apparatus at 001 semaphore of detection and 003 semaphore is passed through Number, can determine whether 001QG is idle, such as idle, and 003 opens green light by semaphore, and 03G, which is sent, allows code, then arranges Car can cross 003 semaphore, and otherwise, 003 semaphore shows red light, and 03G, which is sent, forbids code, then LKJ controls train to be parked in 003 letter Number machine foreign side.After T01 cars go out clear 003QG completely, follow-up train can enter 003QG, so that can be followed the trail of between adjacent two station The train of the row of operation 2 and the above, after reaching moving block system failure, the target that the transport capacity of railway is necessarily ensured.

This degraded running system is mainly used in the situation of movable block failure so that even if remaining able in this case Ensure train operating safety and there is certain conevying efficiency and ability, while reduce engineering cost.

In addition, the heavy haul railway moving block system based on radio communication can also include CBTC systems, CBTC system bags Centralized Dispatching System is included, wherein, the onboard control device sends the request of inquiry route map of train to Centralized Dispatching System；Institute State Centralized Dispatching System and obtain the train operation plan for corresponding to the train in Train operation plan service chart according to the request And the train operation plan is sent to the onboard control device；The onboard control device is according to the train operation plan Preparation is dispatched a car；In the case where completion is dispatched a car in train preparation, the Centralized Dispatching System is according to the train operation plan Outgoing route is handled for the train.

Fig. 9 is the structure for the heavy haul railway movable block CBTC systems based on radio communication that one embodiment of the invention provides Schematic diagram.As shown in figure 9, the CBTC systems can include：Wait the train dispatched a car and the train onboard control device 91, Centralized Dispatching System CTC 92, radio block center RBC93 and interlock device 94.Within the system, using wireless between car ground Mode realizes two-way communication, and train can obtain train operation plan from ground in real time.Freight rail under CBTC systems is dispatched a car master It is divided into two kinds of scenes：The train of train-ground communication is dispatched a car and established to the train (hereinafter referred to as UT cars) for not yet establishing train-ground communication (hereinafter referred to as CT cars) dispatches a car.

(1) UT train departures

For train before starting point is dispatched a car, CBTC systems not yet obtain the initial position of train, and now, train is UT trains. Train sends the request of inquiry route map of train by the onboard control device of the train to Centralized Dispatching System, and should ask The engine number of train is identified with asking.

Afterwards, Centralized Dispatching System CTC 200 can arrange according to the request (such as engine number of train therein) Obtained in car planned train graph corresponding to described in the train operation plan of the train (such as corresponding to the engine number) and transmission Train operation plan is to the onboard control device 91.Wherein, route map of train defines the order in train occupation section, train Time, the motion time in section, parking time-division AT STATION and the train for setting out, reaching or passing through at each station The train operation plan such as weight and length.

Then, onboard control device 91 can prepare to dispatch a car according to above-mentioned train operation plan, such as in man-machine interface (DMI) countdown of dispatching a car is shown on, driver can prepare dispatch a car according to the countdown.

Finally, the Centralized Dispatching System CTC 92 (i.e. time of departures in the case where completion is dispatched a car in train preparation Reach) outgoing route is handled for the train according to the train operation plan.Centralized Dispatching System CTC 92 handles for train Outgoing route, driver can according to the display of ground signal etc., manual control (such as being dispatched a car with visual drive mode) or from Dynamic control train operation so that train is after ground transponder obtains train position and determines current of traffic, into peace Full monitoring mode, be converted to CT cars and dispatch a car.

(2) CT cars are dispatched a car

Train is run under complete monitoring mode to intermediate station parking (for example, to be avoided, change situations such as driver), is not moved back afterwards Go out movable block, train-ground communication does not interrupt, and train continues to dispatch a car with complete monitoring mode, and this scene is that CT cars are dispatched a car.

Dispatched a car to UT cars similar, the countdown of dispatching a car that driver can show according to DMI, fulfil the related behaviour to dispatch a car ahead of schedule Make, the time of departure one arrives, and Centralized Dispatching System CTC 92 handles outgoing route for train automatically.

Afterwards, the onboard control device 91 in the case where the train is in complete monitoring mode by described vehicle-mounted Control device sends train status information to radio block center, such as onboard control device 100 gets train status information In the case of (such as obtain train position from ground transponder and identify traffic direction according to responder coding), it may be determined that The train is switched under complete monitoring mode and run.

Afterwards, radio block center RBC 93 can be according to the route in front of the train operation state information and train Condition is that the train calculates driving and permits and be sent to the onboard control device 91 of the train, and wherein interlock device 94 can be with The route condition in front of train is provided to the radio block center RBC 93.Finally, onboard control device 91 can be according to institute Driving license is stated to dispatch a car.

Specifically, radio block center RBC 93 is that train calculating driving license can include：Obtain the position that train is reported Confidence breath, traffic direction information, range error etc.；According to train report information for train calculate current working under braking away from From；According to train position information, pass through the interface with interlock device, the condition of inspection train front route：Semaphore is open, area Track switch in the range of section locking, route is in the position of route requirement；Driving license is calculated for train, starting point is arranged to train Safe tailstock position, terminal are arranged to outer route terminal of standing.

Using such embodiment, due to radio block center RBC 93 and the interface of interlock device 94, can get Route handles state and the state of ground signal, thus driver need not observe ground signal, directly can be shown as capable with DMI Car foundation.Now, the radio block center RBC 93 on ground can be according to the position and traffic direction that train is currently located, in real time Calculate driving license (MA) and be sent to train, driver need not be with ground driving personnel's joint control, you can completes the behaviour that dispatches a car of train Make.

The CBTC systems of dispatching a car can eliminate or greatly reduce artificial participation, complete automation and dispatch a car so that in lifting goods Fortune train dispatch a car efficiency while, the labor intensity of related personnel is effectively reduced, to meet freight rail heavy duty high density Developing direction.

In addition, the heavy haul railway moving block system based on radio communication can also include setting for signalling arrangement and communication Standby data transmission device, to provide a kind of good data-transmission mode.

Figure 10 is that the heavy haul railway movable block based on radio communication that one embodiment of the invention provides is used for signalling arrangement Data transmission device structural representation.As shown in Figure 10, the data transmission device includes：Encapsulation unit 101, for generating First encapsulated data packet, first encapsulated data packet include first network address and the first port of the signalling arrangement Number, the second network address of echo signal equipment and second port number and the first data；And transmitting element 102, for Communication equipment sends first encapsulated data packet, such as encapsulates number by first using local network protocol, such as udp protocol According to being sent to communication equipment.

Wherein, first encapsulated data packet can include the first network address of the signalling arrangement A, such as internet Agreement (IP) address and first end slogan (such as signalling arrangement A as shown in Figure 1 IP address and its port numbers), echo signal Equipment D the second network address, such as IP address and second port number (i.e. the IP address of echo signal equipment and its port numbers), And first data, first data can be signalling arrangement A application data message.I.e. in the first encapsulated data packet, Signalling arrangement A first network address/port number is source address/port number, echo signal equipment D the second network address/end Slogan is destination address/port numbers.

Afterwards, the communication equipment B with signalling arrangement corresponding A can be according to described be stored in DNS name server Two network address (i.e. destination address) and corresponding target communication device C mapping relations, by first encapsulation of data point Group is sent to target communication device C corresponding with the echo signal equipment D.

The data transmission device can also include receiving unit 103, for receiving the target letter from the communication equipment B Second encapsulated data packet of number equipment D generation；And decapsulation unit 104, for decapsulating second encapsulation of data point Group, to obtain second data.

Wherein described second encapsulated data packet can include first network address and the first port of the signalling arrangement A Number, such as IP address and first end slogan, the second network address and second port number of the echo signal equipment D, such as IP Address and second port number and the second data, second data can be echo signal equipment B application data messages.But Be, unlike the first encapsulated data packet, wherein echo signal equipment D the second network address/port numbers be source address/ Port numbers, signalling arrangement A first network address/port number is destination address/port numbers.

Wherein, the target communication device C can be according to the first network address being stored in DNS name server (i.e. destination address) and corresponding communication equipment B mapping relations, by second encapsulated data packet be sent to it is described The communication equipment B corresponding to signalling arrangement A, the communication equipment B can be encapsulated by local communication protocol by described second Packet is sent to the signalling arrangement A.

(received it should be appreciated that actually echo signal equipment D can also carry out the same configurations of signalling arrangement A The first encapsulated data packet from signalling arrangement A and the process decapsulated, and generation it is expected to send to signalling arrangement A The second encapsulated data packet and the process that sends), will not be repeated here, can so realize that data between signalling arrangement are handed over Mutually.

Figure 11 is that the heavy haul railway movable block based on radio communication that one embodiment of the invention provides is used for communication equipment Data transmission device structural representation.As shown in figure 11, the device can include：Receiving unit 111, for being set from signal Standby A receives the first encapsulated data packet, wherein first encapsulated data packet is with can including signalling arrangement A first network Location (IP address) and first end slogan, echo signal equipment D the second network address (IP address) and second port number, Yi Ji One data；Transmitting element 112, for according to second network address and be stored in DNS name server described second Network address and corresponding target communication device C mapping relations, the mesh is sent to by first encapsulated data packet Mark communication equipment C.

Preferably, the receiving unit 111 can be also used for：The echo signal is received from the target communication device C Second encapsulated data packet of equipment D generations；And the transmitting element 112 is additionally operable to：By local network protocol (such as Udp protocol) second encapsulated data packet is sent to signalling arrangement A corresponding with the communication equipment B.

Wherein, second encapsulated data packet can include the first network address (IP address) of the signalling arrangement A Counted with first end slogan, the second network address (IP address) of the echo signal equipment D and second port number and second According to, the target communication device C can according to the first network address being stored in DNS name server with it is corresponding Communication equipment B mapping relations, second encapsulated data packet is sent to the communication corresponding with the signalling arrangement A Equipment B.

Specifically, can be in advance in the nothing of communication equipment in order to realize the interaction between the above-mentioned communication equipment of the present invention The mapping relations between multiple signalling arrangements and multiple communication equipments are set and stored in DNS name server in gauze network. For example, the first network address and the mapping relations of corresponding communication equipment can include：Using the first network The network address that first domain name of location coding is pointed to is the 3rd network address of the communication equipment；And second network Location and the mapping relations of corresponding target communication device can include：The second domain name encoded using second network address The network address of sensing is the 4th network address of the target communication device.Table 1- tables 3 give concrete configuration process：

The signalling arrangement IP address allocation table of table 1

Sequence number	Device name	IP address
			1	Signalling arrangement A	10.0.0.12
2	Echo signal equipment D	10.0.0.24

The communication equipment IP address allocation table of table 2

Sequence number	Device name	IP address
			1	Communication equipment B (is connected) with signalling arrangement A	10.10.0.115
2	Communication equipment C (is connected) with echo signal equipment D	10.10.0.240

The DNS name server of table 3 configures

Sequence number	Domain name	IP address
			1	TEST.10000012.TEST	10.10.0.115
2	TEST.10000024.TEST	10.10.0.240

As shown in table 1-3, signalling arrangement A the first network address 10.0.0.12 and corresponding communication equipment Mapping relations can include：Use the first domain name of the first network geocoding 10.0.0.12 The network address that TEST.10000012.TEST is pointed to is the 3rd network address 10.10.0.115 of the communication equipment B；And The mapping relations of second network address and corresponding target communication device can include：Use second network address 10.0.0.24 the network address that the second domain name TEST.10000024.TEST for encoding is pointed to is the of the target communication device Four network address 10.10.0.240.

Because address conversion is realized by DNS name server, so in data transmission system configuration change, dilatation, Only need to accordingly it be changed in name server, the operation only needs that network manager is i.e. operable, and maintenance cost is relatively low.

It should be appreciated that the IP address distribution in above-mentioned table 1-3 is only used as exemplary non-limiting example, this area skill Art personnel substitute mode of other IP address according to obtained from shown in upper table 1-3 is each fallen within protection scope of the present invention.

This data transmission device for being used for signalling arrangement and communication equipment enable to carry out between signalling arrangement at high speed, Reliably bidirectional data transfers.

The preferred embodiment of the present invention is described in detail above in association with accompanying drawing, still, the present invention is not limited thereto.At this In the range of the technology design of invention, a variety of simple variants, including each particular technique can be carried out to technical scheme Feature is combined in any suitable manner.In order to avoid unnecessary repetition, the present invention is to various combinations of possible ways No longer separately illustrate.But these simple variants and combination should equally be considered as content disclosed in this invention, belong to the present invention Protection domain.

Claims (10)

1. a kind of heavy haul railway moving block system based on radio communication, it is characterised in that the system includes：

Communication equipment, location equipment, onboard control device and radio block center, wherein,

The onboard control device is located on train, and for receiving train position information from the location equipment, the positioning is set It is standby to include mobile satellite location equipment；

The communication equipment is connected with the onboard control device, for sending the train position information；And

The radio block center is located at ground, for receiving the train position information, and according to the train position information Driving license is sent, the communication equipment is additionally operable to receive the driving license.

2. the heavy haul railway moving block system according to claim 1 based on radio communication, it is characterised in that described logical Believe that equipment is TD-LTE communication equipments.

3. the heavy haul railway moving block system according to claim 1 based on radio communication, it is characterised in that the system Also include：

Temporary speed limitation server, positioned at ground, for downloading temporary speed limitation data and the storage temporary speed limitation data sum According to storehouse data, and temporary speed limitation data and database data are sent to the radio block center.

4. the heavy haul railway moving block system according to claim 1 based on radio communication, it is characterised in that the system Also include：

Speed measuring equipment, it is connected with the onboard control device, for being tested the speed and being sent velocity information to the vehicle-mounted control Equipment.

5. the heavy haul railway moving block system according to claim 1 based on radio communication, it is characterised in that the system Also include：

At least one transponder, ground is arranged at along track, for transponder beacon positional information.

6. the heavy haul railway moving block system according to claim 1 based on radio communication, it is characterised in that the system Also include：

Train End Equipment, positioned at last vehicle of train, for detecting blast and the position of row tail, and send blast and the position of the row tail Information；

The communication equipment is additionally operable to receive the blast and positional information；

The onboard control device is additionally operable to the position according to the train position information, the blast of the row tail and the row tail Information determines whether train is complete.

7. the heavy haul railway moving block system according to claim 4 based on radio communication, it is characterised in that the car Control device is carried to be additionally operable to：

According to the train position information, the velocity information, the driving license and electronic map, the train is controlled certainly It is dynamic to drive.

8. the heavy haul railway moving block system according to claim 1 based on radio communication, it is characterised in that the system Also include：

It is multiple by semaphore, multistage track circuit and multiple wheel counting apparatus,

The multiple wheel counting apparatus be separately positioned on adjacent two station home signal and it is multiple by semaphore at, wherein described more It is individual to be separately positioned on by semaphore in the section that the home signal at adjacent two station formed with by the interval division It is whether idle for detecting each section for multiple sections, the wheel counting apparatus；

Each the multiple by semaphore is used for the detection knot of the wheel counting apparatus of section corresponding to by semaphore Fruit shows indication signal；

The multistage track circuit is separately positioned on train and reached the multiple passes through semaphore institute by each of semaphore In the preset range of traveling, each section of track circuit in the multistage track circuit is used to by semaphore show corresponding to The indication signal shown sends Train Control code；And

The onboard control device is additionally operable to receive the Train Control code and controls train operation according to the Train Control code.

9. the heavy haul railway moving block system according to claim 1 based on radio communication, it is characterised in that the system Also include Centralized Dispatching System, wherein,

The onboard control device sends the request of inquiry route map of train to Centralized Dispatching System；

The Centralized Dispatching System obtains the train fortune corresponding to the train according to the request in Train operation plan service chart Row is planned and sends the train operation plan to the onboard control device；

The onboard control device prepares to dispatch a car according to the train operation plan；

In the case where completion is dispatched a car in train preparation, the Centralized Dispatching System is described according to the train operation plan Train handles outgoing route.

10. the heavy haul railway moving block system according to claim 1 based on radio communication, it is characterised in that this is System also includes data transmission device, wherein, the device includes：

Encapsulation unit, for generating the first encapsulated data packet, first encapsulated data packet includes the signalling arrangement First network address and first end slogan, the second network address of echo signal equipment and second port number and the first data； And

Transmitting element, for sending first encapsulated data packet to the first communication equipment；

Wherein described first communication equipment can be right according to second network address being stored in DNS name server and institute The mapping relations for the second communication equipment answered, first encapsulated data packet is sent to corresponding with the echo signal equipment The second communication equipment.