CN207631278U - Railway section fiber optic network signal control device and system - Google Patents
Railway section fiber optic network signal control device and system Download PDFInfo
- Publication number
- CN207631278U CN207631278U CN201721275662.5U CN201721275662U CN207631278U CN 207631278 U CN207631278 U CN 207631278U CN 201721275662 U CN201721275662 U CN 201721275662U CN 207631278 U CN207631278 U CN 207631278U
- Authority
- CN
- China
- Prior art keywords
- signal
- cpu
- control signal
- control
- redundant
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000000835 fiber Substances 0.000 title claims abstract 4
- 238000004891 communication Methods 0.000 claims description 49
- 239000013307 optical fiber Substances 0.000 claims description 28
- 238000012544 monitoring process Methods 0.000 claims description 15
- 230000003287 optical effect Effects 0.000 claims description 13
- 230000002159 abnormal effect Effects 0.000 claims description 12
- 238000012545 processing Methods 0.000 claims description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 abstract description 8
- 229910052802 copper Inorganic materials 0.000 abstract description 8
- 239000010949 copper Substances 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 8
- 230000004044 response Effects 0.000 abstract description 5
- 238000005265 energy consumption Methods 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 3
- 230000009471 action Effects 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 5
- 238000012423 maintenance Methods 0.000 description 5
- 230000000903 blocking effect Effects 0.000 description 4
- 238000004590 computer program Methods 0.000 description 4
- 230000006870 function Effects 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 3
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000875 corresponding effect Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000011664 signaling Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Landscapes
- Train Traffic Observation, Control, And Security (AREA)
Abstract
The utility model provides railway section fiber optic network signal control device and system, including on-site control device and light-operated box, on-site control device includes the first host and the second host of switching device and redundancy, first host inputs first control signal, and in the case where switching device switches, obtain the second control signal of the second host, by first control signal compared with second control signal, if comparison result matches, first control signal is then sent to light-operated box, the operational process of second host is the same as the first host, light-operated box is using failsafe mode and according to first control signal or second control signal output drive signal.The utility model can improve the real-time of track traffic signal control system, the actuation time of execution level is shortened into Millisecond by second grade, significantly improve control and the response speed of system, and then improve conevying efficiency and safety, and reduce the usage amount of copper cable, energy consumption is reduced, project cost is lowered.
Description
Technical Field
The utility model belongs to the technical field of the signal control technique and specifically relates to a railway section optical network signal control device and system are related to.
Background
The railway station signal control system mainly goes through three development stages of mechanical interlocking control, 6502 electrical centralized interlocking control and computer interlocking control, many computer interlocking control systems put into use at present are systems which utilize computers to realize the operation of interlocking relation and use safety relays to control and acquire the state of basic equipment, actually are computer interlocking and relay execution systems, and complete electronic fault-tolerant safety interlocking control systems are not realized yet.
The traditional railway signal control system is a system for realizing railway signal control by combining a computer interlocking system and a safety type relay. The computer interlocking system realizes the operation of the logical relationship and adopts the computer control; the safety relay combination is an execution circuit of a system and comprises mature relay circuits such as a turnout starting circuit, a signal machine lighting circuit, a track circuit and various contact circuits.
The traditional main circuit of the railway signal equipment execution circuit is used for connecting a signal building relay combined contact and on-site signal equipment by a real circuit (copper cable), and due to the influences of cable impedance and interline capacitance, the limit length of a connection distance is generally 10km, and the distance between communication base stations of 10-18 km can be met.
A large amount of manual wiring exists in a traditional system, so that the hidden danger of 'wire sealing' still exists, the relay part needs to be maintained and overhauled regularly, and great difficulty is brought to later maintenance.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing an interval optical network signal control device of railway and system to improve track traffic signal control system's real-time, shorten the action time on execution layer to the millisecond by the second level, show the control and the response speed that improve the system, and then improve conveying efficiency and safety, and reduce the use amount of copper cable, reduce energy consumption, reduce engineering cost.
In a first aspect, an embodiment of the present invention provides an optical fiber network signal control device between railway sections, wherein, include: the field control device comprises a switching device, and two sets of redundant first host and second host which are connected through the switching device;
the first host is used for inputting a first control signal, acquiring a second control signal of the second host under the condition that the switching device is switched, comparing the first control signal with the second control signal, and sending the first control signal to the light control box if the comparison result is matched;
the second host is used for inputting a second control signal, acquiring the first control signal of the first host under the condition that the switching device is switched, comparing the first control signal with the second control signal, and sending the second control signal to the light control box if the comparison result is matched;
and the light control box is used for adopting a failure safety mode and outputting a driving signal according to the first control signal or the second control signal.
With reference to the first aspect, an embodiment of the present invention provides a first possible implementation manner of the first aspect, wherein the first host includes a redundant central processing unit CPU operating system and a redundant communication system, which are connected in sequence;
and the redundant CPU operation system is used for inputting the first control signal, acquiring the second control signal under the condition of switching by the switching device, comparing the first control signal with the second control signal, and if the comparison result is matched, sending the first control signal or the second control signal to the light control box through the passive optical network by the redundant communication system.
With reference to the first possible implementation manner of the first aspect, an embodiment of the present invention provides a second possible implementation manner of the first aspect, wherein the first host further includes a watchdog system, the watchdog system is connected to the redundant CPU operating system, and the redundant CPU operating system includes a first CPU and a second CPU;
the watchdog system is used for monitoring the working states of the first CPU and the second CPU, enabling the second CPU to work if the working state of the first CPU is abnormal, and generating first alarm information according to the working state of the first CPU;
or,
and if the working state of the second CPU is abnormal, the first CPU works, and second alarm information is generated according to the working state of the second CPU.
With reference to the second possible implementation manner of the first aspect, an embodiment of the present invention provides a third possible implementation manner of the first aspect, wherein the watchdog system is further connected to the redundant communication system, and the redundant communication system includes a first communication interface COM and a second COM;
the watchdog system is used for monitoring the working states of a first COM and a second COM, working by the second COM if the working state of the first COM is abnormal, and generating third alarm information according to the working state of the first COM;
or,
and if the working state of the second COM is abnormal, the first COM works, and fourth alarm information is generated according to the working state of the second COM.
In combination with the first aspect, an embodiment of the present invention provides a fourth possible implementation manner of the first aspect, wherein the fail-safe mode includes a combined fail-safe mode, and the light control box is based on the combined fail-safe mode adopts two to get two architectures, including a redundant power supply unit, a redundant CPU unit, a redundant communication unit, a watchdog unit and a switching value output unit.
In combination with the fourth possible implementation manner of the first aspect, an embodiment of the present invention provides a fifth possible implementation manner of the first aspect, wherein the fail-safe mode further includes a reactive fail-safe mode, the redundant CPU unit operates based on the reactive fail-safe mode in a mode of a fixed operation cycle, and the fixed operation cycle includes a self-checking phase and an output phase.
With reference to the fifth possible implementation manner of the first aspect, the present invention provides a sixth possible implementation manner of the first aspect, wherein the fail-safe mode further includes an intrinsic fail-safe mode;
when the self-checking stage is carried out, the redundant CPU unit outputs a state dynamic pulse signal to the watchdog unit, so that the watchdog unit monitors the running state of the redundant CPU unit according to the state dynamic pulse signal;
and when the output stage is finished, the redundant CPU unit outputs a driving dynamic pulse signal to the switching value output unit according to the first control signal or the second control signal, so that the switching value output unit adopts the intrinsic failure safety mode and generates and outputs the driving signal according to the driving dynamic pulse signal.
With reference to the sixth possible implementation manner of the first aspect, an embodiment of the present invention provides a seventh possible implementation manner of the first aspect, wherein the redundant CPU unit includes a third CPU and a fourth CPU, and the driving dynamic pulse signal includes a first pulse signal and a second pulse signal;
the third CPU and the fourth CPU are used for outputting the first pulse signal and the second pulse signal to the switching value output unit according to the first control signal or the second control signal;
and the switching value output unit is used for comparing the first pulse signal with the second pulse signal and generating and outputting the driving signal under the condition that the comparison result is matched.
With reference to the first aspect, an embodiment of the present invention provides an eighth possible implementation manner of the first aspect, where an RSSP-I type security protocol is used between the field control device and the light control box.
In a second aspect, the embodiment of the present invention further provides a system for controlling optical fiber network signals in a railway section, wherein the system comprises the apparatus for controlling optical fiber network signals in a railway section as described above, and further comprises a plurality of monitors and a plurality of signal devices;
the monitoring machine is connected with a field control device in the optical fiber network signal control device in the railway section through an industrial Ethernet and is used for monitoring faults of the field control device;
the signal equipment is connected with a light control box in the optical fiber network signal control device in the railway section and used for executing commands according to the driving signals of the light control box.
The embodiment of the utility model provides a following beneficial effect has been brought: the utility model provides a railway section optical fiber network signal control device and system, including the field control device and the light-operated box that link to each other through the passive optical network, the field control device includes switching device and two sets of redundant first host computers and second host computers that link to each other through the switching device, first host computer, be used for inputing first control signal, and under the condition that the switching device switches, acquire the second control signal of second host computer, compare first control signal with the second control signal, if the result of comparison matches, send first control signal to the light-operated box, the second host computer, be used for inputing the second control signal, and under the condition that the switching device switches, acquire the first control signal of first host computer, compare first control signal with the second control signal, if the result of comparison matches, send the second control signal to the light-operated box, and the light control box is used for adopting a failure safety mode and outputting a driving signal according to the first control signal or the second control signal. The utility model discloses can improve track traffic signal control system's real-time, shorten the action time on layer to the millisecond level by the second level, show the control and the response speed that improve the system, and then improve conveying efficiency and safety to reduce the use amount of copper cable, reduce energy resource consumption, reduce engineering cost.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic view of a railway section optical fiber network signal control device according to an embodiment of the present invention;
fig. 2 is a schematic view of a railway section optical fiber network signal control system according to an embodiment of the present invention;
fig. 3 is a schematic view of a field control device provided in the third embodiment of the present invention;
fig. 4 is a schematic view of a light control box provided in the fourth embodiment of the present invention;
fig. 5 is a schematic diagram of a pulse signal according to a fourth embodiment of the present invention.
Icon:
100-field control device; 110-a first host; 120-a switching device; 130-a second host; 200-light control box.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
At present, a railway station signal control system is a computer interlocking and relay execution system, and a complete electronic fault-tolerant safety interlocking control system is not realized yet. The computer interlocking system realizes the operation of the logical relationship and adopts the computer control; the safety relay combination is an execution circuit of a system and comprises mature relay circuits such as a turnout starting circuit, a signal machine lighting circuit, a track circuit and various contact circuits. The traditional main circuit of the railway signal equipment execution circuit is used for connecting a signal building relay combined contact and on-site signal equipment by a real circuit (copper cable), and due to the influences of cable impedance and interline capacitance, the limit length of a connection distance is generally 10km, and the distance between communication base stations of 10-18 km can be met. Therefore, the traditional system has a large amount of manual wiring, so that the hidden danger of 'wire sealing' still exists, the relay part needs to be maintained and repaired regularly, and great difficulty is brought to later maintenance.
Based on this, the embodiment of the utility model provides an interval optical network signal control device of railway and system can improve track traffic signal control system's real-time, shortens the action time on layer to the millisecond level by the second level, is showing the control and the response speed that improve the system, and then improves conveying efficiency and safety to reduce the use amount of copper cable, reduce energy consumption, reduce engineering cost.
For the convenience of understanding the present embodiment, the present invention discloses a railway section optical fiber network signal control device, which is first described in detail.
The first embodiment is as follows:
fig. 1 is a schematic view of a railway section optical fiber network signal control device according to an embodiment of the present invention.
Referring to fig. 1, the optical fiber network signal control apparatus for a railway section includes: the field control device 100 and the light control box 200 are connected via a Passive Optical Network (PON). The communication between the field control device 100 and the light control box 200 adopts the RSSP-I type safety protocol to ensure the safe transmission of data between stations. The device provided by the embodiment uses the passive optical network to replace the traditional cable, realizes the reliable and safe transmission of safety information between stations, can complete the control of the line direction and the control function of section blocking, and replaces the circuit form of 6502 electrical centralization using a safety relay as a control unit.
The two-by-two-out-of-two field control device 100 includes a switching device 120 and two sets of redundant first host 110 and second host 130 connected via the switching device 120. In order to ensure the reliability of input information and the synchronism of system operation, the two sets of hosts exchange information through a redundant synchronous high-speed optical channel, perform operation processing through a synchronization mechanism between the two sets of hosts, and send the processed control signal to the light control box 200 of the redundant device through a redundant star (or ring) optical communication network.
Specifically, referring to fig. 3, the first host 110 is configured to input a first control signal, and in a case that the switching device 120 is switched, obtain a second control signal of the second host 130, compare the first control signal with the second control signal, and if the comparison result matches, send the first control signal to the light control box 200;
a second host 130, configured to input a second control signal, and in a case where the switching device 120 switches, acquire the first control signal of the first host 110, compare the first control signal with the second control signal, and if the comparison result matches, send the second control signal to the light control box 200;
and a light control box 200 for adopting a fail-safe mode and outputting a driving signal according to the first control signal or the second control signal. The fail-safe mode here is a comprehensive mode of intrinsic fail-safe, reactive fail-safe, combined fail-safe.
In short, the control signals input by the first host 110 and the second host 130 are compared, and if the comparison result is the same, the control signals are valid and can be output to the light control box 200; if the comparison result is not consistent, judging that a fault exists, and prohibiting output or stopping operation.
Example two:
fig. 2 is a schematic diagram of a railway section optical fiber network signal control system according to an embodiment of the present invention.
Referring to fig. 2, the optical fiber network signal control system for a railway section includes the optical fiber network signal control device for a railway section, and further includes a plurality of monitors and a plurality of signal devices.
The monitoring machine is connected with the field control device 100 through an industrial Ethernet and is used for monitoring faults of the field control device 100; the signal device is connected with the light control box 200 through a communication cable, and is used for executing commands according to the driving signal of the light control box 200, that is, the light control box 200 realizes centralized control and management of various signal devices in a section, such as a blocking signal machine, a track circuit, an ATS-P device and the like; in addition, the light control box 200 also performs the extraction of commands to the signaling device to ensure that the signaling device performs the corresponding action safely.
The communication among the monitoring machine, the field control device 100, the light control box 200 and the signal equipment adopts RSSP-I type safety protocol to ensure the safe transmission of data among stations.
The field control device 100 in the signal machine room exchanges information with the small-sized light control box 200 on the field in an IP network mode, so that centralized control, display and monitoring of various signal devices (blocking signal machines, track circuits, ATS-P devices and the like) in the section are realized. The system uses optical fibers to replace cables to realize reliable and safe transmission of safety information between stations, can complete the control functions of line direction control and section blocking, and replaces a circuit form of 6502 electrical centralization with a safety relay as a control unit.
Example three:
fig. 3 is a schematic diagram of an on-site control device 100 according to a third embodiment of the present invention.
Referring to fig. 3, the first host 110 and the second host 130 have the same structure, and include two completely independent redundant power systems, a redundant CPU (Central Processing Unit) operating system, a watchdog (Watch dog timer, WDT) system, and a redundant communication system. The redundant power supply system comprises two identical and independent power supplies, the redundant CPU operation system comprises a first CPU and a second CPU, and the redundant communication system comprises a first COM (communication) and a second COM. The operation of the first host 110 and the second host 130 are the same, and only the first host 110 is described below as a description subject.
A redundant power supply system for integrally supplying an operating power to the first host 110 (the second host 130);
and a redundant CPU operating system for inputting the first control signal, synchronously acquiring the second control signal when the switching device 120 switches, comparing the first control signal with the second control signal, and if the comparison result matches, transmitting the first control signal or the second control signal to the light control box 200 through the passive optical network by the redundant communication system. The use of redundant communication systems can improve the security of information transmission.
And the WDT system is used for monitoring the working states of the redundant CPU operation system and the redundant communication system.
Specifically, the WDT system is configured to monitor working states of a first CPU and a second CPU, and if the working state of the first CPU is abnormal, the second CPU works, and generates first alarm information according to the working state of the first CPU, and sends the first alarm information to the monitor, so that the monitor reminds a relevant person to perform maintenance; or if the working state of the second CPU is abnormal, the first CPU works, second alarm information is generated according to the working state of the second CPU, and the second alarm information is sent to the monitor, so that the monitor reminds related personnel to maintain.
The WDT system is also used for monitoring the working states of the first COM and the second COM, if the working state of the first COM is abnormal, the second COM works, third alarm information is generated according to the working state of the first COM, and the third alarm information is sent to the monitor to enable the monitor to remind related personnel of maintenance; or if the working state of the second COM is abnormal, the first COM works, fourth alarm information is generated according to the working state of the second COM, and the fourth alarm information is sent to the monitor, so that the monitor reminds related personnel to carry out maintenance.
Example four:
fig. 4 is a schematic view of a light control box provided by the fourth embodiment of the present invention.
The light control box 200 is disposed at the side of the railway signal basic equipment, is connected with the field control device 100 in the signal mechanical room through a communication cable, directly receives the regulation and control of the field control device 100, realizes the centralized control and management of various signal equipment in the section, such as a block signal machine, a track circuit, ATS-P equipment and the like, and realizes the recovery of an execution command.
In order to ensure the safety of the system functions, the system safety architecture of the light-operated box 200 adopts a comprehensive mode of intrinsic failure safety, reactive failure safety and combined failure safety. The combined type failure safety mode is realized by adopting a system architecture of taking two out of two; the reactive failure safety mode adopts a CPU periodic detection implementation mode; the intrinsic fail-safe mode is implemented in a circuit that enables/disables output, and disables system output when it is guaranteed that the two CPUs are relatively inconsistent, as shown in fig. 2 and 4.
The light control box 200 adopts a two-out-of-two architecture based on a combined type failure safety mode, and includes a redundant power supply unit, a redundant CPU unit, a redundant communication unit, a watchdog unit (WDT unit), and a switching value output unit (represented by OD). The redundant CPU unit comprises a third CPU and a fourth CPU.
The redundant CPU unit is operated in a fixed operation period mode based on a reactive fault safety mode, and the fixed operation period is specifically divided into: power-on, power-on self-test, output, input, operation, self-test and the like. At each stage of the fixed operation cycle, two CPUs with two channels are subjected to mutual inspection operation.
Referring to fig. 5, in the self-test stage, the redundant CPU unit outputs a state dynamic pulse signal indicating its own state to the WDT unit, so that the WDT unit monitors the operating state of the redundant CPU unit according to the state dynamic pulse signal, that is, the WDT unit compares the state dynamic pulse signals of the third CPU and the fourth CPU to monitor the operating state thereof.
And in the output stage, the redundant CPU unit outputs a driving dynamic pulse signal to the switching value output unit according to the first control signal or the second control signal so that the switching value output unit adopts an intrinsic failure safety mode and generates and outputs a driving signal according to the driving dynamic pulse signal, namely the switching value output unit compares the driving dynamic pulse signals of the third CPU and the fourth CPU, and outputs direct current to drive the external relay if the driving dynamic pulse signals are consistent with the driving dynamic pulse signals of the third CPU and the fourth CPU, otherwise, the driving dynamic pulse signals are not output.
Specifically, the driving dynamic pulse signal includes a first pulse signal and a second pulse signal. The third CPU and the fourth CPU output a first pulse signal and a second pulse signal to the switching value output unit according to the first control signal or the second control signal; the switching value output unit compares the first pulse signal with the second pulse signal, and generates and outputs a driving signal under the condition that the comparison result is matched, wherein the driving signal is direct current.
According to the embodiment, the technical scheme can greatly reduce the use amount of the copper cables, so that the energy consumption is reduced, the construction cost is reduced, the construction difficulty is reduced, and the construction efficiency of the project is accelerated; meanwhile, the real-time performance of the rail transit signal control system is improved, and the transportation efficiency and the safety are improved.
The combination of the field control equipment and the light control box places the execution action circuit on the field, and the execution action circuit and the signal equipment form mechanical and electrical integration to realize distributed remote control of signals.
The embodiment of the utility model provides a following beneficial effect has been brought: the utility model provides a railway section optical fiber network signal control device and system, including the field control device and the light-operated box that link to each other through the passive optical network, the field control device includes switching device and two sets of redundant first host computers and second host computers that link to each other through the switching device, first host computer, be used for inputing first control signal, and under the condition that the switching device switches, acquire the second control signal of second host computer, compare first control signal with the second control signal, if the result of comparison matches, send first control signal to the light-operated box, the second host computer, be used for inputing the second control signal, and under the condition that the switching device switches, acquire the first control signal of first host computer, compare first control signal with the second control signal, if the result of comparison matches, send the second control signal to the light-operated box, and the light control box is used for adopting a failure safety mode and outputting a driving signal according to the first control signal or the second control signal. The utility model discloses can improve track traffic signal control system's real-time, shorten the action time on layer to the millisecond level by the second level, show the control and the response speed that improve the system, and then improve conveying efficiency and safety to reduce the use amount of copper cable, reduce energy resource consumption, reduce engineering cost.
An embodiment of the present invention further provides an electronic device, which includes a memory and a processor, wherein the memory stores a computer program that can be executed on the processor, and the processor executes the computer program to implement the step of controlling the line network signal of the U shape of the songqu.
The embodiment of the present invention further provides a computer readable storage medium, in which a computer program is stored, and the computer program executes the steps of the automatic renting method of the above embodiment when being executed by the processor.
In addition, in the description of the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
It is clear to those skilled in the art that, for convenience and brevity of description, the specific working processes of the above-described systems, apparatuses and units may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
In the several embodiments provided in the present application, it should be understood that the disclosed system, apparatus and method may be implemented in other ways. The above-described embodiments of the apparatus are merely illustrative, and for example, the division of the units is only one logical division, and there may be other divisions when actually implemented, and for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection of devices or units through some communication interfaces, and may be in an electrical, mechanical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit.
The functions, if implemented in the form of software functional units and sold or used as a stand-alone product, may be stored in a non-volatile computer-readable storage medium executable by a processor. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to perform all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
Finally, it should be noted that: the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the technical solution of the present invention, and the protection scope of the present invention is not limited thereto, although the present invention is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: those skilled in the art can still modify or easily conceive of changes in the technical solutions described in the foregoing embodiments or make equivalent substitutions for some technical features within the technical scope of the present disclosure; such modifications, changes or substitutions do not substantially depart from the spirit and scope of the embodiments of the present invention, and are intended to be included within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. An optical fiber network signal control device for railway sections, comprising: the field control device comprises a switching device, and two sets of redundant first host and second host which are connected through the switching device;
the first host is used for inputting a first control signal, acquiring a second control signal of the second host under the condition that the switching device is switched, comparing the first control signal with the second control signal, and sending the first control signal to the light control box if the comparison result is matched;
the second host is used for inputting a second control signal, acquiring the first control signal of the first host under the condition that the switching device is switched, comparing the first control signal with the second control signal, and sending the second control signal to the light control box if the comparison result is matched;
and the light control box is used for adopting a failure safety mode and outputting a driving signal according to the first control signal or the second control signal.
2. The device for controlling signals of an optical fiber network in a railway section according to claim 1, wherein the first host comprises a redundant Central Processing Unit (CPU) operation system and a redundant communication system which are sequentially connected;
and the redundant CPU operation system is used for inputting the first control signal, acquiring the second control signal under the condition of switching by the switching device, comparing the first control signal with the second control signal, and if the comparison result is matched, sending the first control signal or the second control signal to the light control box through the passive optical network by the redundant communication system.
3. The device for controlling signals of an optical fiber network in a railway section according to claim 2, wherein the first host further comprises a watchdog system, the watchdog system is connected with the redundant CPU operation system, and the redundant CPU operation system comprises a first CPU and a second CPU;
the watchdog system is used for monitoring the working states of the first CPU and the second CPU, enabling the second CPU to work if the working state of the first CPU is abnormal, and generating first alarm information according to the working state of the first CPU;
or,
and if the working state of the second CPU is abnormal, the first CPU works, and second alarm information is generated according to the working state of the second CPU.
4. The signal control device for the optical fiber network between railway sections according to claim 3, wherein the watchdog system is further connected to the redundant communication system, and the redundant communication system comprises a first communication interface COM and a second COM;
the watchdog system is used for monitoring the working states of a first COM and a second COM, working by the second COM if the working state of the first COM is abnormal, and generating third alarm information according to the working state of the first COM;
or,
and if the working state of the second COM is abnormal, the first COM works, and fourth alarm information is generated according to the working state of the second COM.
5. The device for controlling signals of an optical fiber network at an interval of a railway according to claim 1, wherein the fail-safe mode comprises a combined fail-safe mode, and the light control box adopts a two-out-of-two architecture based on the combined fail-safe mode, and comprises a redundant power supply unit, a redundant CPU unit, a redundant communication unit, a watchdog unit and a switching value output unit.
6. The device for controlling signals of an optical fiber network at a railway section according to claim 5, wherein the fail-safe mode further comprises a reactive fail-safe mode, and the redundant CPU unit operates in a fixed operation cycle based on the reactive fail-safe mode, wherein the fixed operation cycle comprises a self-checking phase and an output phase.
7. The fiber optic network signal control device of claim 6, wherein the fail-safe modes further comprise an intrinsic fail-safe mode;
when the self-checking stage is carried out, the redundant CPU unit outputs a state dynamic pulse signal to the watchdog unit, so that the watchdog unit monitors the running state of the redundant CPU unit according to the state dynamic pulse signal;
and when the output stage is finished, the redundant CPU unit outputs a driving dynamic pulse signal to the switching value output unit according to the first control signal or the second control signal, so that the switching value output unit adopts the intrinsic failure safety mode and generates and outputs the driving signal according to the driving dynamic pulse signal.
8. The optical fiber network signal control device for railway sections according to claim 7, wherein the redundant CPU unit comprises a third CPU and a fourth CPU, and the driving dynamic pulse signal comprises a first pulse signal and a second pulse signal;
the third CPU and the fourth CPU are used for outputting the first pulse signal and the second pulse signal to the switching value output unit according to the first control signal or the second control signal;
and the switching value output unit is used for comparing the first pulse signal with the second pulse signal and generating and outputting the driving signal under the condition that the comparison result is matched.
9. The fiber optic network signal control device of claim 1, wherein a RSSP-I type security protocol is used between the field control device and the light control box.
10. A railway section optical fiber network signal control system, which is characterized by comprising the railway section optical fiber network signal control device as claimed in any one of claims 1 to 9, and further comprising a plurality of monitoring machines and a plurality of signal devices;
the monitoring machine is connected with a field control device in the optical fiber network signal control device in the railway section through an industrial Ethernet and is used for monitoring faults of the field control device;
the signal equipment is connected with a light control box in the optical fiber network signal control device in the railway section and used for executing commands according to the driving signals of the light control box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721275662.5U CN207631278U (en) | 2017-09-29 | 2017-09-29 | Railway section fiber optic network signal control device and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721275662.5U CN207631278U (en) | 2017-09-29 | 2017-09-29 | Railway section fiber optic network signal control device and system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207631278U true CN207631278U (en) | 2018-07-20 |
Family
ID=62858396
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721275662.5U Active CN207631278U (en) | 2017-09-29 | 2017-09-29 | Railway section fiber optic network signal control device and system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207631278U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107672624A (en) * | 2017-09-29 | 2018-02-09 | 北京佳讯飞鸿电气股份有限公司 | Railway section fiber optic network signal control device and system |
-
2017
- 2017-09-29 CN CN201721275662.5U patent/CN207631278U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107672624A (en) * | 2017-09-29 | 2018-02-09 | 北京佳讯飞鸿电气股份有限公司 | Railway section fiber optic network signal control device and system |
| CN107672624B (en) * | 2017-09-29 | 2025-01-24 | 北京佳讯飞鸿电气股份有限公司 | Railway section optical fiber network signal control device and system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP3690657B1 (en) | Computer-based interlocking system and redundancy switching method thereof | |
| CN205068381U (en) | A secure computer platform for track traffic | |
| CN102381342B (en) | Computer interlock system and method for controlling urban rail transit signals thereof | |
| CN102238231B (en) | CTCS (China train contrl system)-3 level radio blocking center device and system | |
| CN104890701B (en) | Railway station communication linkage system | |
| CN100463822C (en) | Computer interlock system | |
| CN102193543B (en) | Control system and switching method based on fieldbus redundant network topology | |
| CN203027276U (en) | Dual-machine hot standby platform | |
| CN107634855A (en) | A kind of double hot standby method of embedded system | |
| CN105187248A (en) | Redundancy switching system | |
| CN106740991A (en) | It is a kind of to be based on two and multiply two four/six line turnout drive systems for taking two frameworks | |
| CN105974879A (en) | Redundancy control equipment of digital instrument control system, digital instrument control system and control method | |
| CN112977543B (en) | Full electronic computer interlocking method and system based on closed link | |
| CN106627663A (en) | Frequency shifting coded signal driving system based on double 2-vote-2 architecture | |
| CN106444553A (en) | Scattered collection driving system based on double 2-vote-2 architecture | |
| CN107672624B (en) | Railway section optical fiber network signal control device and system | |
| CN105573295B (en) | Multi-storied garage Remote Monitoring and Diagnosis System and diagnostic method | |
| CN102866690A (en) | Redundancy switching method among redundancy process control stations in distributed control system | |
| CN102540985A (en) | Central redundancy control system for rail transit platform screen door | |
| CN108011699A (en) | reactor computer monitoring system network architecture method | |
| CN112693495A (en) | Node-free distributed turnout safe driving and mining control system | |
| CN101741532B (en) | Two-computer switching device for redundant server switching | |
| CN207631278U (en) | Railway section fiber optic network signal control device and system | |
| CN114475701A (en) | Distributed turnout control system for rail vehicle | |
| CN102231073B (en) | Network redundancy communication method, apparatus and system thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |