CN106809249A - Microcomputer semiautomatic block equipment and its method of work - Google Patents
Microcomputer semiautomatic block equipment and its method of work Download PDFInfo
- Publication number
- CN106809249A CN106809249A CN201710070540.0A CN201710070540A CN106809249A CN 106809249 A CN106809249 A CN 106809249A CN 201710070540 A CN201710070540 A CN 201710070540A CN 106809249 A CN106809249 A CN 106809249A
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- microcomputer
- block equipment
- data
- semiautomatic
- equipment
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L19/00—Arrangements for interlocking between points and signals by means of a single interlocking device, e.g. central control
- B61L19/06—Interlocking devices having electrical operation
- B61L19/14—Interlocking devices having electrical operation with electrical locks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L19/00—Arrangements for interlocking between points and signals by means of a single interlocking device, e.g. central control
-
- 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
-
- 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
- B61L27/40—Handling position reports or trackside vehicle data
-
- 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
- B61L27/70—Details of trackside communication
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Optical Communication System (AREA)
Abstract
Microcomputer semiautomatic block equipment and its method of work provide one kind based on computer and optical communication technique, by the condition of all-relay semi-automatic block system and logic electronics, relay is substituted using electronic device realize automanual logic function, replace cable or aerial line as the transmission medium of information between station by the use of optical fiber or optical channel, while using the semiautomatic block equipment of the safe transmission of information between safe information transmission technology guarantee station.The block equipment uses cabinet-type structure, monosystem equipment to be made up of Logical processing unit, driver element, collecting unit, monitoring unit and communication unit.All units design double set redundancies, it is ensured that in the case of single set of fault, do not influence the normal of equipment to use.The block equipment can be combined by relay safe interface circuit with compatible existing electric interlocking and computer interlock with interlocking, and the open condition and inaccessible expression information of exit signal are provided from interlocking collection correlated condition and for interlocking.
Description
Technical field
The present invention relates to railway communication, signal field, specifically a kind of microcomputer semiautomatic block equipment and its method of work.
Background technology
Standing service equipment is the key technology and equipment for ensureing safety of railway traffic, is divided into and automatically closes up, closes between automatic Weather Station
Plug and semiautomatic block, at present, China there is also about 50,000 kilometers of semiautomatic block.
Interval all-relay semi-automatic block system 64D, 64F are used for for many years, and its equipment is constituted simply, reliable and stable, but with
The progress of technology, some problems that all-relay semi-automatic block system is present also are displayed：
1）All-relay semi-automatic block system equipment uses the devices such as relay assembly, transformer, electric capacity, resistance, and circuit structure is multiple
Miscellaneous, once there is problem, process time is more long, influences conevying efficiency；
2）By the real loop line that communicates, broken string, swinging cross, mix in transmission line Louis to information transfer there is between the station of all-relay semi-automatic block system two
The problems such as electricity, ground connection, outer electrical interference, can influence the use of block equipment；Simultaneously with the adjustment that transportation capacity is laid out, one
A little small stations, intermediate station progressively cancelling, this kind of station be cancelled after interval semi-automatic station between transmission line extend accordingly,
Information transfer implements increasingly difficult；
3）All-relay semi-automatic block system onsite application is single set, and information transfer is also single channel, without automatic diagnostic function, when setting
During preparation life problem, can have a negative impact to transport.
With the progress of science and technology, railway electrical equipment has also obtained tremendous development, and computer interlock substitutes electrically collection
Middle interlocking, optical cable transmission substitute common cable has turned into development trend.
The content of the invention
In order to solve the problems, such as current all-relay semi-automatic block system, all electronic process of signaling at stations equipment is advanced,
Equipment fault is reduced, conevying efficiency is improved, the invention provides one kind based on computer and optical communication technique, by relay half
The condition automatically closed up and logic electronics, substitute traditional relay and realize the automanual logic work(of relay using electronic device
Can, replace traditional cable or aerial line as the transmission medium of information between station by the use of optical fiber or optical channel, while using letter
The microcomputer semiautomatic block equipment of the safe transmission of information between breath secure transmission technique guarantee station.
The system uses cabinet-type structure, by block equipment, transmission network, monitoring device, input and output and power-supply device
Deng five parts composition.There are following characteristics：
1）System using with high reliability chip-scale ARM controller, it is ensured that every single stepping of system have controllability and
Security；
2）System uses rack form, the mm of cabinet dimensions 2000 × 800 × 600；
3）Each circuit board is designed with working condition indication lamp, self test failure, communication failure indication lamp；
4）Key Circuit and element are both designed as double set Redundant backups；
5）Internal system communication uses High Speed Serial bus, and interior communication uses fiber optic communication；
6）Communication port is designed using binary-channel redundancy；
7）System has failure automatic switching function, and two-shipper is able to ensure that when automatically switching does not influence presence states, meets system
High availability requirement；
8）Safety output checks circuit and optocoupler isolation drive mode using output port back production, is input into and output when detecting
When inconsistent, cut-out can export at once, and alarmed by plate level indicator lamp and monitoring machine；
9）Safety collection takes 2 logic circuits and optocoupler isolation acquisition mode using 2, when two-way collection contrast is inconsistent, leads to
Plate level indicator lamp is crossed to be alarmed with monitoring machine；
10）Each piece of circuit board is designed with hardware monitor, prevents program fleet；
11）The double ups powers of system configuration, meet system reliability requirement；
12）System power supply and interface devise electromagnetic compatibility and lightning protection.
Present invention also offers a kind of method of work of microcomputer semiautomatic block equipment.Microcomputer Semiautomatic block system is by patrolling
Collect processing unit, driver element, collecting unit, monitoring unit and communication unit composition.
Logical processing unit receives the data message from collecting unit and communication unit, and these data are carried out with treatment point
Analysis, is then sent to driver element by output information.
Status information of the collecting unit to the button of console, track circuit condition and with reference to relay condition is acquired
Receive, and be uploaded to Logical processing unit.
Driver element receives the data from Logical processing unit, so as to enter to related indication lamp, relay and electric bell
Row control.
Monitoring unit is mainly responsible for the status monitoring of system and alarm is safeguarded.
Communication unit is mainly responsible for the data between transmission each unit and the inaccessible data between station.
The automanual control system of microcomputer has following characteristics：
1）Control software uses modularization and Structured Design, standardization of programing；
2）Using optical cable transmission standing service information, there is independent identification coding between each station obturation；
3）Host-host protocol meets《RSSP-I railway signals lead to safely agreement（V1.0）》；
4）Use the safe and reliable of digital signature, data encryption and sequential calibration technology guarantee information transmission；
5）The information transmitted between internal system data and station uses coding techniques, can so avoid data computing internally and biography
The harm for producing error code to bring during defeated；
6）Information carries out CRC codings and frame head, postamble detection in transmitting procedure, it is ensured that the reliability and safety of data receiver
Property；
7）System logic condition defines secure side value, meets " fail-safe " principle in railway security；
8）Exclusive monitoring machine program, intuitive monitoring equipment state, the function with self diagnosis Yu standby maintenance.
Brief description of the drawings
Fig. 1 is single track all relay semi automa tic block system schematic diagram；
Fig. 2 is the semi-automatic composition frame chart of microcomputer；
Fig. 3 is the semi-automatic structured flowchart of microcomputer；
Fig. 4 is the semi-automatic Logical processing unit theory diagram of microcomputer；
Fig. 5 is the semi-automatic driving collecting unit theory diagram of microcomputer；
Fig. 6 is the semi-automatic monitoring unit theory diagram of microcomputer；
Fig. 7 is to transmit block diagram between microcomputer semi-automatic station；
Fig. 8 is the semi-automatic rack design drawing of microcomputer；
Fig. 9 is the semi-automatic rack logical process layer design drawing of microcomputer.
Specific embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
Semiautomatic block is the voucher using the opening of exit signal as occupied section, and train is automatically switched off after setting out
Exit signal.The complete arrival of blocking formality, open exit signal and confirmation train, manually participates in；Train
Set out, reach, the information manually handled is transmitted automatically by equipment.It is this by manually handling, confirming and equipment transmits letter automatically
The common equipment for completing blocking action of breath is referred to as semiautomatic block equipment.
The operation principle of microcomputer semiautomatic block equipment：It is local in collecting unit acquisition station by driving by first station equipment
The switching value for collecting, is converted into digital information and passes to Logical processing unit by conjugation condition, and Logical processing unit is by information
By after logic analysis, to driving collecting unit to send corresponding actions instruction, and information between the station of encoded treatment being passed through
Optical cable transmission passage sends second station to.
After the equipment at second station enters row decoding verification according to information between the station for receiving, with reference to the our station state of collection by patrolling
The logic analysis of processing unit is collected, to driving collecting unit to issue corresponding actions instruction, the associative operation of standing service is completed.
The schematic diagram of Fig. 1 illustrates the basic functional principle of all-relay semi-automatic block system, adjacent two station respectively have one it is semi-automatic
Block cabinet, by cable communication between standing, then completes inaccessible function by relay interconnection relation.And microcomputer semiautomatic block
Operation principle is semi-automatic with relay similar, as shown in fig. 7, microcomputer semiautomatic block has changed cable between station into optical cable, by station
Semi-automatic block machine changed microcomputer semiautomatic block rack into.The automanual interchanger of microcomputer can realize twin-channel intersection
Interconnection, reaching monosystem equipment can use twin-channel purpose.
Fig. 2 shows the automanual basic composition of microcomputer, includes power-supply device, block equipment, input and output, monitoring and sets
Standby and transmission network five is most of.Wherein block equipment is the automanual treatment maincenter of microcomputer, and it collects input equipment
Condition carries out computing, and communication data then is sent into neighboring station by transmission network, and display is driven into output with action data sets
It is standby, send status information to monitoring device.
Fig. 3 illustrates the automanual system architecture of microcomputer, mainly by Logical processing unit, drive collecting unit, communication and
Interface unit, monitoring unit etc. are constituted.System uses two-node cluster hot backup redundant fashion as can be seen from Figure 3, increased the steady of system
It is qualitative, reduce fault rate；It can also be seen that transmission channel cross-connect between station, is mutually redundant passage, make interior communication more
It is safe and reliable.
Fig. 4 shows the general principle of Logical processing unit, is made up of two blocks of logical process plates.The master cpu of two boards
The redundancy structure of two-node cluster hot backup is constituted, the hardware configuration and principle of the governor circuit of two boards are identical, when any one hair
When raw failure or abnormal state, equipment can automatically fall machine.
Fig. 5 shows the general principle for driving collecting unit, is made up of driving plate and collection plate two parts：
Collection plate is communicated by serial ports with logical process plate, the working condition of this plate is uploaded in real time and the station that collects in tie
The data message of conjunction condition, including console knob and orbit information etc.；
Safe Acquisition Circuit takes 2 logic circuits and optocoupler isolation acquisition mode using 2, two-way contrast is carried out to same signal and is adopted
Collection；
Driving plate is communicated by serial ports with logical process plate, is realized the upload of order and is received, and is responsible on drive control platform
Indicator lamp, electric bell, counter and open relay etc.；
Safe driving circuit has output port back production inspection design and optocoupler isolation drive mode, when detect input with it is defeated
When going out inconsistent, plate level indicator lamp can be immediately passed through and alarmed with monitoring machine, and cut off output.
Fig. 6 shows the principle of monitoring unit, and system monitoring layer is mainly made up of industrial computer with plug-type display, logic
Process plate is sent to industrial computer Monitoring Data by the RS-232 for isolating, and industrial computer is according to the Monitoring Data for obtaining by system shape
State is intuitively displayed on monitoring screen by picture, the running status of real-time monitoring whole system.
The main contents that monitoring machine shows include：
1）Connect in standing, status display of dispatching a car；
2）Logic card operates in the display of main and backup status；
3）The display that logic card is alarmed with driving plate, collection plate communication failure；
4）Driving plate and the display of logic card communication failure alarm, the display of driving plate self test failure alarm；
5）Collection plate and the display of logic card communication failure alarm, the display of collection plate self test failure alarm；
6）The display of our station and neighboring station optical-fiber communication channel fault alarm；
7）The Word message prompting of operation and system mode failure in standing.
Fig. 8 illustrates the positive and negative design drawing of the semi-automatic rack of microcomputer, shows the layout of rack and the position of each unit
Put.
Fig. 9 shows the design drawing of microcomputer automanual logical process layer, show each plank relative position and
Size.
The single-track lines of current China railways, major part is using 64D semiautomatic block equipment, but 64D semiautomatic blocks
Equipment has that fault rate is high, is not easy to.Microcomputer semiautomatic block equipment is using electronic device and optical cable transmission, double
The technologies such as set redundancy, are easy to on-site maintenance, reduce failure, improve conevying efficiency, are with a wide range of applications.
Certainly, the present invention can also have other various embodiments, ripe in the case of without departing substantially from spirit of the invention and its essence
Know those skilled in the art and work as and various corresponding changes and deformation, but these corresponding changes and change can be made according to the present invention
Shape should all belong to the protection domain of appended claims of the invention.
Claims (10)
1. a kind of microcomputer semiautomatic block equipment, it is characterised in that：Using cabinet-type structure, including block equipment, transmission network,
The part of monitoring device, input and output and power-supply device etc. five；Block equipment is by logic card, driving plate, collection plate, power panel and mother
Plate is constituted；Transmission network, by industrial optical switch cross-connect, is mutually redundant using independent double fiber channels.
Monitoring device uses industrial computer and plug-type display；Power-supply device uses two on line type UPS power supplys, using the teaching of the invention it is possible to provide no
Continuation of the journey less than 30 minutes.
2. microcomputer semiautomatic block equipment according to claim 1, it is characterised in that：Described rack porch includes electricity
Magnetic compatibility and lightning protection unit.
3. microcomputer semiautomatic block equipment according to claim 1, it is characterised in that：Described logic card, driving plate and
Collection plate includes hardware function monitor（House dog）, comprising fault detection module.
4. microcomputer semiautomatic block equipment according to claim 1, it is characterised in that：Include filter on described power panel
Involve Anti-surging module.
5. microcomputer semiautomatic block equipment according to claim 1, it is characterised in that：Described block equipment, transmission network
Network, input and output and power-supply device are all using two-node cluster hot backup redundancy.
6. the method for work of the microcomputer semiautomatic block equipment described in a kind of claim 1 to 5, it is characterised in that including following step
Suddenly：
Logical operation：After collection plate collects conjugation condition, logic card is sent the data to, logic card is sent according to collection plate
The data message that data, neighboring station send carries out logical operation, sends corresponding information to neighboring station, and issue correlation output data to drive
Dynamic plate, driving plate is driven with reference to relay condition after receiving output data, realizes the function of semiautomatic block；Logic card is in computing
While the working condition and fault message of block equipment are sent to monitoring machine, by monitoring machine record and safeguard.
Interaction between standing：Inaccessible data are transmitted by optical cable between two stations：Request is inaccessible（0x01）, automated response piece（0x02）, agree to
It is inaccessible（0x03）, train sets out（0x04）, reach restore（0x06）, cancel restore（0x09）Restored with accident（0x0B）；Two stations
Between every 2 seconds, transmit timing heartbeat packet, it is ensured that channel interrupt can find in time alarm；When transmitting inaccessible data between two stations,
Recipient needs to send receipt to sender after receiving valid data, can otherwise cause sender to resend the data, sends 3
Time-out after secondary.
7. the method for work of microcomputer semiautomatic block equipment according to claim 6, it is characterised in that：Described logic fortune
Calculate core and use finite state machine model（FSM）, the automanual complex logic of abandoning tradition relay, make logical relation it is clear, one
Mesh is clear, and facilitates test and evaluation, increases the stability of a system.
8. the method for work of microcomputer semiautomatic block equipment according to claim 6, it is characterised in that：Handed between described station
Mutual packet measure containing des encryption, transmission ciphertext packet is prevented from intercepting and capturing and forged.
9. the method for work of microcomputer semiautomatic block equipment according to claim 6, it is characterised in that：Handed between described station
Mutual packet contains data signature, and sender is signed using private key, and recipient needs to use the public key of sender to be verified,
It is verified data just effective, can effectively prevents data forgery and packet source uniquely may not.
10. the method for work of microcomputer semiautomatic block equipment according to claim 6, it is characterised in that：Between described station
Interaction employs secure transmission technique, packet is encoded and is verified, and effectively reduces error code, loses the situation of code, makes number
It is safe and reliable according to transmitting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710070540.0A CN106809249A (en) | 2017-02-09 | 2017-02-09 | Microcomputer semiautomatic block equipment and its method of work |
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| CN201710070540.0A CN106809249A (en) | 2017-02-09 | 2017-02-09 | Microcomputer semiautomatic block equipment and its method of work |
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| CN106809249A true CN106809249A (en) | 2017-06-09 |
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| CN201710070540.0A Pending CN106809249A (en) | 2017-02-09 | 2017-02-09 | Microcomputer semiautomatic block equipment and its method of work |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110611539A (en) * | 2019-09-05 | 2019-12-24 | 深圳科安达电子科技股份有限公司 | Signal interference preventing railway inter-station information safety transmission system and method |
| CN112572539A (en) * | 2020-12-18 | 2021-03-30 | 交控科技股份有限公司 | Hybrid interlocking system and interlocking method |
| CN113799851A (en) * | 2021-11-19 | 2021-12-17 | 卡斯柯信号(北京)有限公司 | Single-track railway blocking method and system |
| CN114261429A (en) * | 2021-12-22 | 2022-04-01 | 卡斯柯信号有限公司 | Semi-automatic block and automatic block switching design method based on computer interlocking |
| CN115384578A (en) * | 2022-07-11 | 2022-11-25 | 上海电气泰雷兹交通自动化***有限公司 | Signal acquisition driving device of acquisition driving integrated system for realizing redundancy configuration |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110611539A (en) * | 2019-09-05 | 2019-12-24 | 深圳科安达电子科技股份有限公司 | Signal interference preventing railway inter-station information safety transmission system and method |
| CN112572539A (en) * | 2020-12-18 | 2021-03-30 | 交控科技股份有限公司 | Hybrid interlocking system and interlocking method |
| CN112572539B (en) * | 2020-12-18 | 2023-09-01 | 交控科技股份有限公司 | Hybrid interlocking system and interlocking method |
| CN113799851A (en) * | 2021-11-19 | 2021-12-17 | 卡斯柯信号(北京)有限公司 | Single-track railway blocking method and system |
| CN113799851B (en) * | 2021-11-19 | 2022-02-22 | 卡斯柯信号(北京)有限公司 | Single-track railway blocking method and system |
| CN114261429A (en) * | 2021-12-22 | 2022-04-01 | 卡斯柯信号有限公司 | Semi-automatic block and automatic block switching design method based on computer interlocking |
| CN114261429B (en) * | 2021-12-22 | 2023-08-29 | 卡斯柯信号有限公司 | Semi-automatic blocking and automatic blocking switching design method based on computer interlocking |
| CN115384578A (en) * | 2022-07-11 | 2022-11-25 | 上海电气泰雷兹交通自动化***有限公司 | Signal acquisition driving device of acquisition driving integrated system for realizing redundancy configuration |
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Inventor after: He Dongwei Inventor after: Qiu Weilu Inventor after: Wang Jianguo Inventor before: He Dongwei Inventor before: Qiu Weilu Inventor before: Xu Jinpeng Inventor before: Wang Rongjie Inventor before: Wang Jianguo |
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Application publication date: 20170609 |
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