CN112406971A - Redundant light transmission system for rail transit - Google Patents
Redundant light transmission system for rail transit Download PDFInfo
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- CN112406971A CN112406971A CN202011437619.0A CN202011437619A CN112406971A CN 112406971 A CN112406971 A CN 112406971A CN 202011437619 A CN202011437619 A CN 202011437619A CN 112406971 A CN112406971 A CN 112406971A
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 12
- 230000003287 optical effect Effects 0.000 claims abstract description 31
- 239000003381 stabilizer Substances 0.000 claims abstract description 8
- 210000001503 joint Anatomy 0.000 abstract description 4
- 238000004891 communication Methods 0.000 abstract description 2
- 238000012545 processing Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L27/00—Central railway traffic control systems; Trackside control; Communication systems specially adapted therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L23/00—Control, warning or like safety means along the route or between vehicles or trains
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Train Traffic Observation, Control, And Security (AREA)
Abstract
A redundant optical transmission system for rail transit relates to the technical field of rail transit optical communication systems. The system comprises an entry point controller, an intermediate controller, an exit point controller, a first photoelectric detector, a second photoelectric detector, an optical cable, a safety fixer and a signal stabilizer; the system comprises an entrance point controller, an exit point controller, an intermediate controller and a central controller, wherein the entrance point controller is arranged at the entrance position of a rail transit station, the exit point controller is arranged at the exit position of the rail transit station, and the intermediate controller is arranged on one side of the rail midpoint position between the entrance point controller and the intermediate controller; a first photoelectric detector is arranged on one side of a track between the station entering controller and the middle controller, and a second photoelectric detector is arranged on one side of a middle point position of the track between the middle controller and the station exiting controller; the rail transit vehicle control system is in butt joint with the rail transit control system, so that the time of the vehicle entering and leaving the station and the running speed are accurately controlled, a standby auxiliary function is realized, the braking operation of the rail transit vehicle is simplified, and the automation degree is improved.
Description
Technical Field
The invention relates to the technical field of optical communication systems for rail transit, in particular to a redundant optical transmission system for rail transit.
Background
Rail transit refers to a type of vehicle or transportation system in which operating vehicles need to travel on a particular rail. The most typical rail transit is a railway system consisting of conventional trains and standard railways. With the diversified development of train and railway technologies, rail transit is more and more types, and is not only distributed in long-distance land transportation, but also widely applied to medium-short distance urban public transportation. The common rail transit includes traditional railways (national railways, intercity railways and urban railways), subways, light rails and trams, and the novel rail transit includes a magnetic suspension rail system, a monorail system (straddle type rail system and suspension type rail system), a passenger automatic rapid transit system and the like. According to the difference of service ranges, rail transit is generally divided into three major categories of national railway systems, intercity rail transit and urban rail transit. The rail transit generally has the advantages of large transportation volume, high speed, dense shift, safety, comfort, high punctuality rate, all weather, low transportation cost, energy conservation, environmental protection and the like, but is usually accompanied by higher early investment, technical requirements and maintenance cost, and the occupied space is usually larger.
The conventional rail transit system which is normally put into use has a common rail transit work operation problem, namely when a vehicle enters or leaves a station, a driver needs to judge the braking time and the braking distance of the entering station by matching driving experience with an in-vehicle control system, certain complex operation exists, photoelectric signal transmission is usually used in an automatic rail transit system to solve the problem, and the conventional photoelectric signal transmission auxiliary system cannot enable the driver to complete braking through simple operation, and when the auxiliary system fails, the vehicle braking time and speed are easily uncontrolled, and the danger is extremely high, so that the redundant light transmission system for rail transit is provided for solving the problems.
Disclosure of Invention
The invention aims to provide a redundant optical transmission system for rail transit, which is used for realizing accurate control of time for vehicles to get in and out of a station and driving speed through butt joint with a rail transit control system, has a standby auxiliary function, can improve the overall safety performance of the system, simplifies the braking operation of rail transit vehicles, improves the automation degree, can keep normal operation and control of the vehicles when the system fails, has higher safety, is suitable for various rail transit vehicles, and realizes safe and intelligent rail transit.
In order to achieve the purpose, the invention adopts the following technical scheme: the system comprises an entry point controller 1, an intermediate controller 2, an exit point controller 3, a first photoelectric detector 4, a second photoelectric detector 5, an optical cable 6, a safety fixer 7, a signal stabilizer 8, a track 9, a ground 10, a main working circuit 11 and a redundant circuit 12; the system comprises an entrance point controller 1, an exit point controller 3, an intermediate controller 2 and a track 9, wherein the entrance point controller 1 is installed at the entrance position of a track traffic station, the exit point controller 3 is installed at the exit position of the track traffic station, and the intermediate controller 2 is installed at one side of the midpoint position of a track 9 between the entrance point controller 1 and the intermediate controller 2; a first photoelectric detector 4 is arranged on one side of a track 9 between the station entering controller 1 and the middle controller 2, and a second photoelectric detector 5 is arranged on one side of the midpoint position of the track 9 between the middle controller 2 and the station exiting controller 3; the station entrance controller 1, the intermediate controller 2, the station exit controller 3, the first photoelectric detector 4 and the second photoelectric detector 5 are connected through optical cables 6 buried in the ground 10, a safety fixer 7 is arranged at the connecting position, and the connecting optical cables 6 between the station entrance controller 1 and the intermediate controller 2, between the intermediate controller 2 and the station exit controller 3, between the station exit controller 3 and the first photoelectric detector 4 and between the first photoelectric detector 4 and the second photoelectric detector 5 are respectively provided with a signal stabilizer 8; the station entering controller 1, the intermediate controller 2 and the station exiting controller 3 respectively comprise a main working circuit 11 and a redundant circuit 12;
the first photodetector 4 and the second photodetector 5 have the same structure.
The first photoelectric detector 4 and the second photoelectric detector 5 are arranged on the same side of the traffic track as the station entering controller 1, the middle controller 2 and the station exiting controller 3.
The safety fixer 7 is a special locking and fixing buckle for the optical cable 6.
The main working circuit 11 consists of a photoelectric signal receiver 13, a signal amplifier 14 and a photoelectric signal transmitter 15; the photoelectric signal receiver 13 receives the photoelectric signals detected by the first and second photodetectors 4 and 5, amplifies the photoelectric signals by the signal amplifier 14, and the photoelectric signal transmitter 15 outputs the amplified electric signals to the redundant circuit 12.
The redundancy circuit 12 consists of a photoelectric signal redundancy module 16 and a photoelectric signal standby module 17; the photoelectric signal redundancy module 16 makes redundancy processing on the photoelectric signal transmitted by the main working circuit 11, and the photoelectric signal backup module 17 makes backup of the redundant photoelectric signal as a backup control circuit of the whole system.
The working principle of the invention is as follows: when a railway vehicle enters a station, the intermediate controller 2 and the exit point controller 3 of the entry point controller 1 work simultaneously, the first photoelectric detector 4 and the second photoelectric detector 5 transmit optical signals passed by the vehicle into each controller, the photoelectric signals are transmitted to a control system in a train through the main working circuit 11, a driver controls the vehicle to brake at a safe braking speed and time through simple operation, and the redundancy circuit 12 performs redundancy processing and backup on the photoelectric signals of the vehicle entering and exiting the station each time and is used as a backup circuit when the main working circuit 11 fails.
After the technical scheme is adopted, the invention has the beneficial effects that: the intelligent rail transit control system has the advantages that the accurate control of the time of vehicles entering and leaving the station and the running speed is realized through the butt joint with the rail transit control system, the standby auxiliary function is realized, the integral safety performance of the system can be improved, the braking operation of the rail transit vehicles is simplified, the automation degree is improved, the normal operation and control of the vehicles can be kept when the system fails, the safety is higher, the intelligent rail transit control system is suitable for various rail transit vehicles, and the safe and intelligent rail transit is realized.
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 description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only 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 structural view of the present invention.
FIG. 2 is a block diagram schematically showing the structure of the main operating circuit 11 and the redundant circuit 12 according to the present invention;
fig. 3 is a circuit diagram showing the operation of the redundancy circuit 12 in the present invention.
Description of reference numerals: the system comprises an inbound controller 1, an intermediate controller 2, an outbound controller 3, a first photoelectric detector 4, a second photoelectric detector 5, an optical cable 6, a safety fixer 7, a signal stabilizer 8, a track 9, a ground 10, a main working circuit 11, a redundant circuit 12, a photoelectric signal receiver 13, a signal amplifier 14, a photoelectric signal transmitter 15, a photoelectric signal redundant module 16 and a photoelectric signal standby module 17.
Detailed Description
Referring to fig. 1 to fig. 3, the technical solution adopted by the present embodiment is: the system comprises an entry point controller 1, an intermediate controller 2, an exit point controller 3, a first photoelectric detector 4, a second photoelectric detector 5, an optical cable 6, a safety fixer 7, a signal stabilizer 8, a track 9, a ground 10, a main working circuit 11, a redundant circuit 12, a photoelectric signal receiver 13, a signal amplifier 14, a photoelectric signal emitter 15, a photoelectric signal redundant module 16 and a photoelectric signal standby module 17; the system comprises an entrance point controller 1, an exit point controller 3, an intermediate controller 2 and a track 9, wherein the entrance point controller 1 is installed at the entrance position of a track traffic station, the exit point controller 3 is installed at the exit position of the track traffic station, and the intermediate controller 2 is installed at one side of the midpoint position of a track 9 between the entrance point controller 1 and the intermediate controller 2; a first photoelectric detector 4 is arranged on one side of a track 9 between the station entering controller 1 and the middle controller 2, and a second photoelectric detector 5 is arranged on one side of the midpoint position of the track 9 between the middle controller 2 and the station exiting controller 3; the station entrance controller 1, the intermediate controller 2, the station exit controller 3, the first photoelectric detector 4 and the second photoelectric detector 5 are connected through optical cables 6 buried in the ground 10, a safety fixer 7 is arranged at the connecting position, and the connecting optical cables 6 between the station entrance controller 1 and the intermediate controller 2, between the intermediate controller 2 and the station exit controller 3, between the station exit controller 3 and the first photoelectric detector 4 and between the first photoelectric detector 4 and the second photoelectric detector 5 are respectively provided with a signal stabilizer 8; the station entering controller 1, the intermediate controller 2 and the station exiting controller 3 respectively comprise a main working circuit 11 and a redundant circuit 12;
the first photoelectric detector 4 and the second photoelectric detector 5 have the same structure, and can ensure that non-electric quantity information to be detected is converted into optical information convenient to receive through an optical system in the same redundant circuit, then the optical information is converted into electric quantity through a photoelectric detection device, and further the electric signal is amplified and processed through a circuit so as to achieve the purpose of outputting an electric signal.
The first photoelectric detector 4, the second photoelectric detector 5, the station entering controller 1, the intermediate controller 2 and the station exiting controller 3 are arranged on the same side of the traffic track, so that the connection of the optical cable 6 is facilitated, and an effective redundant control circuit is formed.
The safety fixer 7 is a special locking and fixing buckle for the optical cable 6 and is used for high connection stability between each device and the optical cable 6.
The main working circuit 11 consists of a photoelectric signal receiver 13, a signal amplifier 14 and a photoelectric signal transmitter 15; the photoelectric signal receiver 13 receives the photoelectric signals detected by the first and second photodetectors 4 and 5, amplifies the photoelectric signals by the signal amplifier 14, and the photoelectric signal transmitter 15 outputs the amplified electric signals to the redundant circuit 12.
The redundancy circuit 12 consists of a photoelectric signal redundancy module 16 and a photoelectric signal standby module 17; the photoelectric signal redundancy module 16 makes redundancy processing on the photoelectric signal transmitted by the main working circuit 11, and the photoelectric signal backup module 17 makes backup of the redundant photoelectric signal as a backup control circuit of the whole system.
When a railway vehicle enters a station, the intermediate controller 2 and the exit point controller 3 of the entry point controller 1 work simultaneously, the first photoelectric detector 4 and the second photoelectric detector 5 transmit optical signals passed by the vehicle into each controller, the photoelectric signals are transmitted to a control system in a train through the main working circuit 11, a driver controls the vehicle to brake at a safe braking speed and time through simple operation, and the redundancy circuit 12 performs redundancy processing and backup on the photoelectric signals of the vehicle entering and exiting the station each time and is used as a backup circuit when the main working circuit 11 fails.
The intelligent rail transit control system has the advantages that the accurate control of the time of vehicles entering and leaving the station and the running speed is realized through the butt joint with the rail transit control system, the standby auxiliary function is realized, the integral safety performance of the system can be improved, the braking operation of the rail transit vehicles is simplified, the automation degree is improved, the normal operation and control of the vehicles can be kept when the system fails, the safety is higher, the intelligent rail transit control system is suitable for various rail transit vehicles, and the safe and intelligent rail transit is realized.
The above description is only for the purpose of illustrating the technical solutions of the present invention and not for the purpose of limiting the same, and other modifications or equivalent substitutions made by those skilled in the art to the technical solutions of the present invention should be covered within the scope of the claims of the present invention without departing from the spirit and scope of the technical solutions of the present invention.
Claims (6)
1. Redundant light transmission system for rail transit, its characterized in that: the system comprises an entry point controller (1), an intermediate controller (2), an exit point controller (3), a first photoelectric detector (4), a second photoelectric detector (5), an optical cable (6), a safety fixer (7), a signal stabilizer (8), a main working circuit (11) and a redundant circuit (12); the system comprises an entrance point controller (1), an exit point controller (3), an intermediate controller (2) and a central controller (2), wherein the entrance point controller (1) is installed at the entrance position of a rail transit station, the exit point controller (3) is installed at the exit position of the rail transit station, and the intermediate controller (2) is installed on one side of the central point position of a rail (9) between the entrance point controller (1) and the intermediate controller (2); a first photoelectric detector (4) is installed on one side of a track (9) between the station entering controller (1) and the middle controller (2), and a second photoelectric detector (5) is installed on one side of the middle point position of the track (9) between the middle controller (2) and the station exiting controller (3); the station entrance controller (1), the intermediate controller (2), the station exit controller (3), the first photoelectric detector (4) and the second photoelectric detector (5) are connected through an optical cable (6) buried in the ground (10), a safety fixer (7) is arranged at the connecting position, and signal stabilizers (8) are arranged on the connecting optical cables (6) between the station entrance controller (1) and the intermediate controller (2), between the intermediate controller (2) and the station exit controller (3), between the station exit controller (3) and the first photoelectric detector (4), between the first photoelectric detector (4) and the second photoelectric detector (5); the station entering controller (1), the intermediate controller (2) and the station exiting controller (3) respectively comprise a main working circuit (11) and a redundant circuit (12).
2. The redundant optical transmission system for rail transit according to claim 1, wherein: the first photoelectric detector (4) and the second photoelectric detector (5) have the same structure.
3. The redundant optical transmission system for rail transit according to claim 1, wherein: the first photoelectric detector (4) and the second photoelectric detector (5) are arranged on the same side of the traffic track as the station entering controller (1), the middle controller (2) and the station exiting controller (3).
4. The redundant optical transmission system for rail transit according to claim 1, wherein: the safety fixer (7) is a locking fixing buckle special for the optical cable (6).
5. The redundant optical transmission system for rail transit according to claim 1, wherein: the main working circuit (11) is composed of a photoelectric signal receiver (13), a signal amplifier (14) and a photoelectric signal emitter (15).
6. The redundant optical transmission system for rail transit according to claim 1, wherein: the redundancy circuit (12) is composed of a photoelectric signal redundancy module (16) and a photoelectric signal standby module (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011437619.0A CN112406971A (en) | 2020-12-11 | 2020-12-11 | Redundant light transmission system for rail transit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011437619.0A CN112406971A (en) | 2020-12-11 | 2020-12-11 | Redundant light transmission system for rail transit |
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| Publication Number | Publication Date |
|---|---|
| CN112406971A true CN112406971A (en) | 2021-02-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011437619.0A Withdrawn CN112406971A (en) | 2020-12-11 | 2020-12-11 | Redundant light transmission system for rail transit |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205890861U (en) * | 2016-08-11 | 2017-01-18 | 上海大学 | Subway parking assist system |
| CN108515987A (en) * | 2018-03-30 | 2018-09-11 | 南京理工大学 | A kind of accurate parking method of urban track traffic laser positioning |
| CN109131362A (en) * | 2018-09-14 | 2019-01-04 | 中铁第四勘察设计院集团有限公司 | A kind of automatic auxiliary guide system of intelligence rail train inbound/outbound process and method |
| CN109532955A (en) * | 2017-09-22 | 2019-03-29 | 中车唐山机车车辆有限公司 | A kind of micro- rail dispatch control method and system |
| CN110001717A (en) * | 2019-01-30 | 2019-07-12 | 武汉理工大学 | Hump rolling process monitoring system and method |
-
2020
- 2020-12-11 CN CN202011437619.0A patent/CN112406971A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205890861U (en) * | 2016-08-11 | 2017-01-18 | 上海大学 | Subway parking assist system |
| CN109532955A (en) * | 2017-09-22 | 2019-03-29 | 中车唐山机车车辆有限公司 | A kind of micro- rail dispatch control method and system |
| CN108515987A (en) * | 2018-03-30 | 2018-09-11 | 南京理工大学 | A kind of accurate parking method of urban track traffic laser positioning |
| CN109131362A (en) * | 2018-09-14 | 2019-01-04 | 中铁第四勘察设计院集团有限公司 | A kind of automatic auxiliary guide system of intelligence rail train inbound/outbound process and method |
| CN110001717A (en) * | 2019-01-30 | 2019-07-12 | 武汉理工大学 | Hump rolling process monitoring system and method |
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Application publication date: 20210226 |