CN208724125U - Railway signal digitizes trackside secure communication device - Google Patents
Railway signal digitizes trackside secure communication device Download PDFInfo
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- CN208724125U CN208724125U CN201821517394.8U CN201821517394U CN208724125U CN 208724125 U CN208724125 U CN 208724125U CN 201821517394 U CN201821517394 U CN 201821517394U CN 208724125 U CN208724125 U CN 208724125U
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Abstract
The utility model discloses a kind of railway signals to digitize trackside secure communication device, wherein device, it include: N number of communication module and active-standby switch circuit, N number of communication module with the active-standby switch circuit connection, any communication module in N number of communication module is connect with optical communication network and on site redundant bus, the active-standby switch circuit: for switching the working condition of communication module.By the way that multiple communication modules are arranged within a communication device, and there is the working condition of active-standby switch circuit switching communications module, different communication modules is set to be in different working conditions, to when a communication module breaks down, another communication module can replace the communication module of failure, to improve the real-time of communication, safety and maintainability.
Description
Technical field
The utility model relates to railway control fields, and in particular, to a kind of railway signal digitlization trackside secure communication
Device.
Background technique
Currently, the construction of high-speed rail Eight Verticals and Eight Horizontals and Line of Existing Railway, real-time and safety to railway signal control are proposed
Higher requirement.With electronization, the development of digitizing technique, original railway signal control mode is changed by centralized system
It is possibly realized for distribution trackside control.Since the digital control module in indoor signal safety control system is mainly realized to outdoor
The control and acquisition function of basis of signals equipment, are scattered rail for the control unit in indoor signal safety control system
Side controls the basis of signals equipment in one's respective area in trackside by several control units nearby, if seldom service cable and
Several digital control units of trackside are connect by telecommunication optical fiber with the signal operation device in signal box.It concentrates in the prior art
The communication mode of control mode is such as applied directly in distribution trackside control mode, and there are real-time, safety and maintainabilitys
Low problem.
Utility model content
The purpose of this utility model is that in view of the above-mentioned problems, proposing a kind of railway signal digitlization trackside secure communication
Device, to realize at least part of solution problems of the prior art.
To achieve the above object, the technical solution adopted in the utility model provides a kind of railway signal digitlization trackside peace
All-pass T unit, comprising:
N number of communication module and active-standby switch circuit, N number of communication module with the active-standby switch circuit connection, institute
Any communication module stated in N number of communication module is connect with optical communication network and on site redundant bus, the active-standby switch electricity
Road: for switching the working condition of communication module.
Preferably, the N is 2.
Preferably, further includes:
Optical communication interface and field bus communication interface, the optical communication network pass through optical communication interface and the communication mould
Block connection, the on site redundant bus are connect by field bus communication interface with the communication module.
Preferably, the optical communication interface is 4 tunnels, and the field bus communication interface is 4 tunnels.
Preferably, the communication module, comprising:
First optoelectronic transceiver circuit, the first optic communication isolation circuit, the first communication controler, the first bus isolation circuit,
Primary scene bus communication transmission circuit, the first communication supervisory and self-checking circuit, synchronous circuit, address code reading circuit, second
Optoelectronic transceiver circuit, the second optic communication isolation circuit, the second communication controler, the second bus isolation circuit, secondary scene bus
Communications transceiver circuit and the second communication supervisory and self-checking circuit, the first optoelectronic transceiver circuit are connect with optical communication network, institute
It states the first optoelectronic transceiver circuit to connect with the first optic communication isolation circuit, the first optic communication isolation circuit and described the
The connection of one communication controler, first communication controler connect with first bus isolation circuit, first bus every
Connect from circuit with the primary scene bus communication transmission circuit, the primary scene bus communication transmission circuit with it is described superfluous
The connection of remaining fieldbus, first communication supervisory and self-checking circuit, synchronous circuit and address code reading circuit are with described the
The connection of one communication controler, the second optoelectronic transceiver circuit connect with optical communication network, the second optoelectronic transceiver circuit and
The second optic communication isolation circuit connection, the second optic communication isolation circuit are connect with second communication controler, institute
It states the second communication controler to connect with second bus isolation circuit, second bus isolation circuit and the secondary scene
The connection of bus communication transmission circuit, the secondary scene bus communication transmission circuit is connect with the on site redundant bus, described
Second communication supervisory is connect with second communication controler with self-checking circuit, synchronous circuit and address code reading circuit, institute
State the first communication supervisory and self-checking circuit and the second communication supervisory and self-checking circuit with active-standby switch circuit connection.
The technical solution of the utility model has the advantages that
The technical solution of the utility model by the way that multiple communication modules are arranged within a communication device, and has active-standby switch electric
Road switches the working condition of communication module, so that different communication modules is in different working conditions, thus in a communication mould
When block breaks down, another communication module can replace the communication module of failure, to improve the real-time of communication, safety
Property and maintainability.
It is connect by optical communication network with the signal operation device in signal box, for the trackside safety to station and section
Digital information between control module and the signal digital operation device of distal end communicates.The communication device of the technical program passes through light
Communication network receives the digit manipulation control instruction of remote signaling digital operation device, and numerical control instruction is passed through redundancy scene
Bus transfer gives trackside digital control module, the basis of signals equipment of the reception trackside digital control module acquisition of the technical program
The environmental information of status data information and Environment Monitor Unit acquisition, is sent to far after carrying out data encapsulation by optical communication network
The signal digital operation device at end.Realize that the security between signal digital operation device and trackside digital control module is logical
Letter, improves the availability of communications of system.
Below by drawings and examples, the technical solution of the utility model is described in further detail.
Detailed description of the invention
Fig. 1 is the structural representation that railway signal described in the utility model embodiment digitizes trackside secure communication device
Figure；
Fig. 2 is that railway signal described in the utility model embodiment digitizes communication module in trackside secure communication device
Structural schematic diagram.
Specific embodiment
It is illustrated below in conjunction with preferred embodiment of the attached drawing to the utility model, it should be understood that described herein excellent
It selects embodiment to be only used for describing and explaining the present invention, is not used to limit the utility model.
As shown in Figure 1, a kind of railway signal digitizes trackside secure communication device, comprising:
N number of communication module and active-standby switch circuit, N number of communication module with active-standby switch circuit connection, N number of communication module
In any communication module connect with optical communication network and on site redundant bus, active-standby switch circuit: for switch communication mould
The working condition of block.N number of is at least two.
Preferably, 2 N.
2 independent communication modules and active-standby switch circuit, realize to the trackside safety control module at station and section with
Digital information safety communication between the signal digital operation device of distal end；
The railway signal of the technical program digitizes trackside secure communication device, places AT STATION or the outdoor track in section
Side receives the digit manipulation control instruction of the signal digital operation device of distal end by optical communication network, by numerical control instruction
It is transferred to trackside digital control module and Environment Monitor Unit by site redundant bus, and receives trackside digital control module and adopts
The environmental information of basis of signals device status data information and the Environment Monitor Unit acquisition of collection, passes through light after carrying out data encapsulation
Communication network is sent to the signal digital operation device of distal end.
There is the independent field bus communication interface of the independent optical communication interface in 4 tunnels and 4 tunnels in trackside secure communication device.Light
Communication interface is connect with optical communication network, and field bus communication interface is connected on site redundant bus；Trackside secure communication device
It places AT STATION or by the outdoor track in section.
Preferably, further includes:
Optical communication interface and field bus communication interface, optical communication network are connect by optical communication interface with communication module,
On site redundant bus is connect by field bus communication interface with communication module.
Preferably, as shown in Fig. 2, communication module, comprising:
First optoelectronic transceiver circuit, the first optic communication isolation circuit, the first communication controler, the first bus isolation circuit,
Primary scene bus communication transmission circuit, the first communication supervisory and self-checking circuit, synchronous circuit, address code reading circuit, second
Optoelectronic transceiver circuit, the second optic communication isolation circuit, the second communication controler, the second bus isolation circuit, secondary scene bus
Communications transceiver circuit and the second communication supervisory and self-checking circuit, the first optoelectronic transceiver circuit are connect with optical communication network, the first light
Electric transmission circuit is connect with the first optic communication isolation circuit, and the first optic communication isolation circuit is connect with the first communication controler, the
One communication controler is connect with the first bus isolation circuit, the first bus isolation circuit and primary scene bus communication transmission circuit
Connection, primary scene bus communication transmission circuit connect on site redundant bus, the first communication supervisory and self-checking circuit, synchronous electricity
Road and address code reading circuit are connect with the first communication controler, and the second optoelectronic transceiver circuit is connect with optical communication network, the
Two optoelectronic transceiver circuits are connect with the second optic communication isolation circuit, and the second optic communication isolation circuit and the second communication controler connect
It connects, the second communication controler is connect with the second bus isolation circuit, and the second bus isolation circuit and secondary scene bus communication are received
Power Generation Road connection, secondary scene bus communication transmission circuit connect on site redundant bus, the second communication supervisory and self-checking circuit,
Synchronous circuit and address code reading circuit are connect with the second communication controler, and the first communication supervisory and self-checking circuit and second lead to
Letter supervision with self-checking circuit with active-standby switch circuit connection.
In one communication module, there is the independent field bus communication interface of the independent optical communication interface in 2 tunnels and 2 tunnels.2 road light
Communication interface is connect with optical communication network, and 2 road field bus communication interfaces are connected on site redundant bus.
First communication controler and the second communication controler work independently, for optical communication network and on site redundant bus it
Between data safety communication frame parsing, subpackage, encapsulation and data communication control.
First communication controler is connected by the first communication supervisory with self-checking circuit with active-standby switch circuit；Second communication control
Device processed is connected by the second communication supervisory with self-checking circuit with active-standby switch circuit.
First communication controler passes through the first optoelectronic transceiver circuit, the first optic communication isolation circuit and optical communication network phase
Even, the numerical control instruction of optical communication network is received.
Second communication controler passes through the second optoelectronic transceiver circuit, the second optic communication isolation circuit and optical communication network phase
Even, it receives the numerical control instruction of optical communication network and sends the state of trackside digital control module and Environment Monitor Unit acquisition
Packet.
First communication controler passes through the first bus isolation circuit, primary scene bus communication transmission circuit and redundancy scene
Bus is connected, and forwards the numerical control instruction of optical communication network and receives trackside digital control module and Environment Monitor Unit acquisition
Status information packet.
Second communication controler passes through the second bus isolation circuit, secondary scene bus communication transmission circuit and redundancy scene
Bus is connected, and forwards the numerical control instruction of optical communication network and receives trackside digital control module and Environment Monitor Unit acquisition
Status information packet.
First communication supervisory and self-checking circuit supervise the working condition of the first communication controler, address code input circuit, same
Step circuit, and real-time self-test.The host mode of active-standby switch circuit or standby host pattern information state are passed into the first communication control
Device processed, the first communication supervisory and self-checking circuit have internal circuit self-checking function.
Second communication supervisory and self-checking circuit supervise the working condition and telecommunication circuit working condition of the second communication controler,
The host mode of active-standby switch circuit or standby host pattern information state are passed into the second communication controler, the second communication supervisory with
Self-checking circuit has internal circuit self-checking function.
Active-standby switch circuit output host mode or standby host mode signal to communication module, any moment at most only one
The output of host mode signal, working state signal input to the first communication controler by the first communication supervisory and self-checking circuit,
Or the second communication controler is inputed to by the second communication supervisory and self-checking circuit.
There is self-checking circuit inside active-standby switch circuit, works as fail self-test, cutting host mode signal output.
Preferably, the first communication controler or the second communication controler, for the parsing of data safety communication frame, subpackage,
Encapsulation and data communication control；
First communication controler and the second communication controler carry out information exchange and timing synchronization by synchronous circuit；
First communication controler and the second communication controler read secure communication module by address code reading circuit respectively
Address code；
First communication supervisory and self-checking circuit supervise the working condition of the first communication controler and real-time self-test, and will be active and standby
The status information of switching circuit passes to the first communication controler, and the first communication supervisory and self-checking circuit have internal circuit self-test
Function；
Second communication supervisory and self-checking circuit supervise the working condition of the second communication controler and real-time self-test, and will be active and standby
The status information of switching circuit passes to the second communication controler, and the second communication supervisory and self-checking circuit have internal circuit self-test
Function.
Network topology in optical communication network can be star-like, annular or star ring mixed type topological structure；Optical communication network is
The double sets of redundancy, and be laid with respectively along track two sides.
In communication module, there are communication supervisory and self-checking circuit, supervises the work shape of communication controler in secure communication module
The host mode of active-standby switch circuit or standby host pattern information state are passed to communication control by state and telecommunication circuit working condition
Device, communication supervisory and self-checking circuit have internal circuit self-checking function；
In communication module, communication controler is synchronized by synchronous circuit, exchanges operating mode and frame number information, into
Row timing synchronization.
Preferably, working condition, comprising:
Host mode, standby host mode, offline mode or shutdown mode；
Host mode: redundancy scene is forwarded to always after receiving the digit manipulation control instruction parsing from optical communication network
Line, and optical communication network is forwarded to after receiving device status data information and environmental information from site redundant bus；
Standby host mode or offline mode: it receives the digit manipulation control instruction from optical communication network and parses but do not forward
To on site redundant bus, and receives device status data information and environmental information from site redundant bus but be not forwarded on
Optical communication network；
Shutdown mode: it is not communicated with optical communication network and on site redundant bus.
Railway signal digitizes in trackside secure communication device, and 2 communication module Redundant backups work independently, by active and standby
Switching circuit carries out masterslave state switching；Railway signal digitizes in trackside secure communication device, when leading to for host mode
Believe module failure, provides warning message, be transferred to offline mode, the communication module of standby host mode automatically switches to host mode work
Make.
Railway signal digitizes in trackside secure communication device, and the communication module in offline mode is in self-test state,
When self-test is normal, switch to the work of standby host mode.
Railway signal digitizes in trackside secure communication device, and the communication module in shutdown mode stops and PERCOM peripheral communication
The communication of network.
Railway signal digitizes in trackside secure communication device, the number that the communication module in host mode will receive
It is forwarded on site redundant bus after operation control instruction parsing, the basis of signals that the trackside digital control module received is acquired
Device status data information and the environmental information of Environment Monitor Unit acquisition are forwarded to optical communication network.
Railway signal digitizes in trackside secure communication device, and the communication module in standby host mode and offline mode connects
It receives digit manipulation control instruction and parses, but be not forwarded on site redundant bus, the trackside digital control module acquisition received
Basis of signals device status data information and Environment Monitor Unit acquisition environmental information, but be not forwarded on optical communication network.
According to interval circuit or yard shapes and sizes, the network topology in optical communication network can be star-like, annular or star
Ring mixed type topological structure；Telecommunication optical fiber is the double sets of redundancy in optical communication network, and is laid with respectively along track two sides.
Active-standby switch circuit output host mode or standby host mode signal to communication module, any moment at most only one
The output of host mode signal, working state signal input to communication control by communication supervisory in communication module and self-checking circuit
Device；There is self-checking circuit inside active-standby switch circuit, works as fail self-test, cutting host mode signal output.
Each circuit is existing circuit in the technical program, and the technical program is only combined, and each
The connection relationship of circuit can be obtained clearly according to prior art those skilled in the art.
Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention, it is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic
It is equivalently replaced.Within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on,
It should be included within the scope of protection of this utility model.
Claims (5)
1. a kind of railway signal digitizes trackside secure communication device characterized by comprising
N number of communication module and active-standby switch circuit, N number of communication module are described N number of with the active-standby switch circuit connection
Any communication module in communication module is connect with optical communication network and on site redundant bus, the active-standby switch circuit: being used
In the working condition of switching communication module.
2. railway signal according to claim 1 digitizes trackside secure communication device, which is characterized in that the N is 2.
3. railway signal according to claim 1 or 2 digitizes trackside secure communication device, which is characterized in that further include:
Optical communication interface and field bus communication interface, the optical communication network are connected by optical communication interface and the communication module
It connects, the on site redundant bus is connect by field bus communication interface with the communication module.
4. railway signal according to claim 3 digitizes trackside secure communication device, which is characterized in that the optic communication
Interface is 4 tunnels, and the field bus communication interface is 4 tunnels.
5. railway signal according to claim 1 or 2 digitizes trackside secure communication device, which is characterized in that described logical
Believe module, comprising:
First optoelectronic transceiver circuit, the first optic communication isolation circuit, the first communication controler, the first bus isolation circuit, first
Field bus communication transmission circuit, the first communication supervisory and self-checking circuit, synchronous circuit, address code reading circuit, the second photoelectricity
Transmission circuit, the second optic communication isolation circuit, the second communication controler, the second bus isolation circuit, secondary scene bus communication
Transmission circuit and the second communication supervisory and self-checking circuit, the first optoelectronic transceiver circuit are connect with optical communication network, and described
One optoelectronic transceiver circuit is connect with the first optic communication isolation circuit, and the first optic communication isolation circuit is logical with described first
Believe controller connection, first communication controler is connect with first bus isolation circuit, the first Bus isolation electricity
Road is connect with the primary scene bus communication transmission circuit, and the primary scene bus communication transmission circuit and the redundancy are existing
Field bus connection, first communication supervisory and self-checking circuit, synchronous circuit and address code reading circuit are logical with described first
Believe controller connection, the second optoelectronic transceiver circuit connect with optical communication network, the second optoelectronic transceiver circuit with it is described
The connection of second optic communication isolation circuit, the second optic communication isolation circuit connect with second communication controler, and described the
Two communication controlers are connect with second bus isolation circuit, second bus isolation circuit and the secondary scene bus
Communications transceiver circuit connection, the secondary scene bus communication transmission circuit are connect with the on site redundant bus, and described second
Communication supervisory is connect with second communication controler with self-checking circuit, synchronous circuit and address code reading circuit, and described
One communication supervisory and self-checking circuit and the second communication supervisory and self-checking circuit with active-standby switch circuit connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821517394.8U CN208724125U (en) | 2018-09-17 | 2018-09-17 | Railway signal digitizes trackside secure communication device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821517394.8U CN208724125U (en) | 2018-09-17 | 2018-09-17 | Railway signal digitizes trackside secure communication device |
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| Publication Number | Publication Date |
|---|---|
| CN208724125U true CN208724125U (en) | 2019-04-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821517394.8U Expired - Fee Related CN208724125U (en) | 2018-09-17 | 2018-09-17 | Railway signal digitizes trackside secure communication device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109005477A (en) * | 2018-09-17 | 2018-12-14 | 兰州交通大学 | Railway signal digitizes trackside secure communication device and method |
-
2018
- 2018-09-17 CN CN201821517394.8U patent/CN208724125U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109005477A (en) * | 2018-09-17 | 2018-12-14 | 兰州交通大学 | Railway signal digitizes trackside secure communication device and method |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190409 Termination date: 20200917 |
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| CF01 | Termination of patent right due to non-payment of annual fee |