CN206900392U - A kind of side blow protector based on secondary detection device directional information - Google Patents
A kind of side blow protector based on secondary detection device directional information Download PDFInfo
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- CN206900392U CN206900392U CN201720576499.XU CN201720576499U CN206900392U CN 206900392 U CN206900392 U CN 206900392U CN 201720576499 U CN201720576499 U CN 201720576499U CN 206900392 U CN206900392 U CN 206900392U
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- detection device
- secondary detection
- side blow
- train
- directional information
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Abstract
It the utility model is related to a kind of side blow protector based on secondary detection device directional information, include the safe communication system of test point, secondary detection device, zone controller, computer interlock system and these equipment rooms, described secondary detection device is connected with test point, zone controller and computer interlock system respectively.Compared with prior art, the utility model has the advantages that the security and availability that improve system.
Description
Technical field
Rail transit train control system safety protection technique is the utility model is related to, more particularly, to one kind based on secondary
The side blow protector of detection device directional information.
Background technology
Side blow protection is the critical function of security protection in track traffic train control system.Traditional fixation/standard is moved
Dynamic requirement of the block system tracking interval train is relatively low, the occupied information combination route connection of generally use track geometry measuring device
Side blow safeguard function is completed in the design of lock relation, and performance is relatively low.Modern movable block (train of the generally use based on communication
Control system, i.e. CBTC systems) due to the ability of with possessing car real-time Communication for Power, therefore side can be carried out according to the real time position of train
Punching protection, operational efficiency can be lifted in the case where ensureing safety.
The problem of presently, there are is not no equipment cart more inevitably the communications facility in CBTC systems
Train, on the other hand also occur for communication train for some reason barrier cause communication disruption, the needs based on operation are deposited in main track
Fare powers off the scene of bicycle parking, and these situations can cause the movable block train of base communication and fixed blocking/standard of non-communicating
The scene of movable block train mixed running, the train operation when side blow protects to movable block standard is caused to produce larger
Performance reduces.
In the CBTC systems of a standard as shown in Figure 1：Communication train via wirelessly by the position of itself report to
The zone controller ZC of trackside is supplied to interlock system CI via ZC simultaneously, and the positional information is active positional information, independent of
In any detection device of trackside；The axle-counting points or track circuit that the train occupation detection device of trackside is installed by trackside are sent
The occupancy situation that the detection devices such as box check track section is received, the information gives CI and ZC via secondary detection device STDE.
In the case shown in accompanying drawing 1, original state is that track section TC1 deposits non-communicating train B, another row communication row
Car A is run from TC2 to TC3, now detects that TC1 and TC2 is in seizure condition, and train A via STDE in CBTC systems
Run from TC2 to TC3 directions；When communication train A enters TC3, now TC1, TC2 and TC3 are detected via STDE in system
Seizure condition is in, but system not can determine that TC3 occupancy is due to possible situation bag caused by which car enters
Include：
1. communication train A enters；2. non-communicating train B enters；3. communication train A and non-communicating train B enter simultaneously.
Wherein the 1. to plant situation be safe, and remaining two kinds of situations may cause communication train A and non-communicating train B
The security risk of side collision occurs, although being under normal circumstances communication train A entrance, the failure based on signal-
Security doctrine, it should consider by least favorable situation, it is therefore desirable to forbid communication train A to enter TC3 regions, reduce the available of system
Property.Part system or project allow train A to enter TC3 regions in the case where constraint restrictive condition is runed in output, but it is possible that on
The security risk of two kinds of scenes of residue of analysis is stated, in fact just has analogue abroad, adds security risk.
Utility model content
The purpose of this utility model is exactly a kind of based on secondary in order to be provided the defects of overcoming above-mentioned prior art to exist
The side blow protector of detection device directional information.
The purpose of this utility model can be achieved through the following technical solutions：
A kind of side blow protector based on secondary detection device directional information, it is characterised in that including test point, secondary
Detection device, zone controller, the safe communication system of computer interlock system and these equipment rooms, described secondary detection are set
Back-up is not connected with test point, zone controller and computer interlock system, described zone controller and computer interlocking system
System connection.
Described secondary detection device is connected with zone controller and computer interlock system respectively by safe interface.
Described safe interface is relay interface.
Described safe interface is the data communication interface via security protocol.
Described zone controller connection Vehicle Controller.
Described computer interlock system connects semaphore and active balise respectively.
Compared with prior art, the utility model has advantages below：
1) realize and safely and efficiently side blow protection in the case of non-CBTC trains in CBTC systems be present, improve system
Security and availability.
2) detection and safe transmission work(of the secondary detection device for the train cross-pressure directional information of track section are added
Can, add interlocking, zone controller carries out the ability of side blow protection according to the train cross-pressure directional information of section.
Brief description of the drawings
Fig. 1 is the CBTC system schematics of standard；
Fig. 2 is structural representation of the present utility model；
Fig. 3 is the structural representation of the utility model specific embodiment.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describe, it is clear that described embodiment is part of the embodiment of the present utility model, rather than is all implemented
Example.Based on the embodiment in the utility model, those of ordinary skill in the art institute on the premise of creative work is not made
The every other embodiment obtained, it should all belong to the scope of the utility model protection.
As shown in Fig. 2 the side blow protector based on secondary detection device directional information, including test point 1, secondary detection
Equipment 2, zone controller 3 and computer interlock system 4, described secondary detection device 2 respectively with test point 1, Region control
Device 3 and computer interlock system 4 connect, and described zone controller 3 and computer interlock system 4 connect；
Described secondary detection device 2 detects the directional information of each test point train cross-pressure, and sends it to region
Controller 3 and computer interlock system 4, described zone controller 3 and computer interlock system 4 are based respectively on test point train
Whether the directional information of cross-pressure calculates has non-communicating train to enter the risk that side blow zone of protection causes side collision, if there is
Then taken appropriate measures if risk, including：Zone controller blocks the side blow zone of protection, forbids the controlled trains of CBTC to enter
Enter this region；Computer interlock system closes the semaphore for protecting the side blow zone of protection, prevents other trains from exceeding the letter
Number machine.
Described secondary detection device is connected with zone controller and computer interlock system respectively by safe interface.Institute
The safe interface stated is relay interface or the data communication interface via security protocol.The direction of described test point train cross-pressure
Information uses one kind in following three kinds of modes to be transmitted：(1) secondary detection device is sent respectively to computer interlock system
And zone controller, (2) secondary detection device are sent to computer interlock system and give region control via computer interlock system
Device processed, (3) secondary detection device are sent to zone controller and give computer interlock system via zone controller.
The device also includes the Vehicle Controller 5 being connected with zone controller.The device also includes interlocking with computer
The semaphore 6 and active balise of system connection.
The utility model include possess train cross-pressure infomation detection secondary detection device (test point and processing unit), by
Secondary detection device via the data-interface of relay or security protocol be supplied to interlocking or zone controller section train across
Press the protection of the side blow zone of protection of the train cross-pressure directional information progress of directional information, interlocking and zone controller based on section
Calculate, the on-vehicle safety of protection result of calculation based on side blow zone of protection protects several parts to form.
The utility model is implemented in No. 17 lines of Shanghai Underground, and its schematic diagram is as shown in Figure 3.Secondary inspection in the project
Measurement equipment is axis-counting device, and the axis-counting device can also be to the train cross-pressure side via the axle-counting points in addition to possessing and taking detection function
Computing is carried out to information, the result after computing is transferred to zone controller via secure communication protocols, while meter shaft is also by section
Occupied information be transferred to interlocking, zone controller is obtaining the train cross-pressure directional information of axle-counting points and provided with reference to interlocking
Switch location information, the route information come are calculated to the anti-region in related side is corresponded to after meter shaft section occupied information, with true
Whether have unexpected train enter side blow zone of protection, should if it unexpected train be present into side blow zone of protection if recognizing
Side blow zone of protection is set to illegal state, and the state based on the side blow zone of protection moves the calculating of mandate, prevents row
Car enters this region or moved in the region.
Scope such as side blow zone of protection in Fig. 3 is (P_1, SDD1, SDD2), and original state is that TC1 has 1 row non-communicating
Train B, separately there is a row communication train A to be run from TC2 to TC3, divide several scenes to enter protection situation of the present utility model below
Row explanation：
If 1) communication train A enters TC3 sections, non-communicating train B is still parked in TC1 sections, now SDD2 train cross-pressure
Information is that UP states, SDD1 and SDD3 are calculated without train cross-pressure information, interlocking and zone controller and learnt the side blow guard plot
Domain does not have the security risk of side blow, and the anti-region in side (P_1, SDD1, SDD2) is permission state for train A, if other
Part possesses, and train A mobile authorization can be passed through normally.
2) if not communication train B enters TC3 sections, now SDD1 train cross-pressure information is UP states, if communication row
Car A runs to TC3 regions the risk that side collision then occurs, thus zone controller by the anti-region in side (P_1, SDD1,
SDD2 illegal state) is arranged to, communication train A mobile authorization maximum terminal can only be arrived at SDD2, train A Vehicle Controller
Also the security control of train can be carried out based on this mobile authorization.
If 3) communication train A and non-communicating train B enter TC3 sections, now SDD1 and SDD2 train cross-pressure is believed
Cease for UP states, the risk and consequence of aggravation side collision if communication train A is continued to run with, therefore zone controller prevents side
Region (P_1, SDD1, SDD2) is arranged to illegal state, and communication train A mobile authorization is changed into invalid, train A vehicle-mounted control
Device can also be based on the triggering brake hard of this mobile authorization.
It is described above, only specific embodiment of the present utility model, but the scope of protection of the utility model is not limited to
In this, any one skilled in the art can readily occur in various in the technical scope that the utility model discloses
Equivalent modifications or substitutions, these modifications or substitutions should all cover within the scope of protection of the utility model.Therefore, this practicality
New protection domain should be defined by scope of the claims.
Claims (6)
1. a kind of side blow protector based on secondary detection device directional information, it is characterised in that including test point, secondary inspection
Measurement equipment, zone controller, the safe communication system of computer interlock system and these equipment rooms, described secondary detection device
It is connected respectively with test point, zone controller and computer interlock system, described zone controller and computer interlock system
Connection.
2. a kind of side blow protector based on secondary detection device directional information according to claim 1, its feature exist
In described secondary detection device is connected with zone controller and computer interlock system respectively by safe interface.
3. a kind of side blow protector based on secondary detection device directional information according to claim 2, its feature exist
In described safe interface is relay interface.
4. a kind of side blow protector based on secondary detection device directional information according to claim 2, its feature exist
In described safe interface is the data communication interface via security protocol.
5. a kind of side blow protector based on secondary detection device directional information according to claim 1, its feature exist
In described zone controller connection Vehicle Controller.
6. a kind of side blow protector based on secondary detection device directional information according to claim 1, its feature exist
In described computer interlock system connects semaphore and active balise respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720576499.XU CN206900392U (en) | 2017-05-23 | 2017-05-23 | A kind of side blow protector based on secondary detection device directional information |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720576499.XU CN206900392U (en) | 2017-05-23 | 2017-05-23 | A kind of side blow protector based on secondary detection device directional information |
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| Publication Number | Publication Date |
|---|---|
| CN206900392U true CN206900392U (en) | 2018-01-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720576499.XU Active CN206900392U (en) | 2017-05-23 | 2017-05-23 | A kind of side blow protector based on secondary detection device directional information |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022147987A1 (en) * | 2021-01-11 | 2022-07-14 | 北京全路通信信号研究设计院集团有限公司 | Method and system for protecting side surfaces of trains in station from collisions |
-
2017
- 2017-05-23 CN CN201720576499.XU patent/CN206900392U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022147987A1 (en) * | 2021-01-11 | 2022-07-14 | 北京全路通信信号研究设计院集团有限公司 | Method and system for protecting side surfaces of trains in station from collisions |
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