CN103407463A - Semi-automatic electronic block instrument and working method of block instrument - Google Patents

Semi-automatic electronic block instrument and working method of block instrument Download PDF

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Publication number
CN103407463A
CN103407463A CN2013103662786A CN201310366278A CN103407463A CN 103407463 A CN103407463 A CN 103407463A CN 2013103662786 A CN2013103662786 A CN 2013103662786A CN 201310366278 A CN201310366278 A CN 201310366278A CN 103407463 A CN103407463 A CN 103407463A
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China
Prior art keywords
logic control
block
board
signal
control plate
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Pending
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CN2013103662786A
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Chinese (zh)
Inventor
蔡虎
刘余才
罗东海
吉荣新
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Nanjing Taitong S & T Co Ltd
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Nanjing Taitong S & T Co Ltd
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Priority to CN2013103662786A priority Critical patent/CN103407463A/en
Publication of CN103407463A publication Critical patent/CN103407463A/en
Pending legal-status Critical Current

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Abstract

The invention provides a semi-automatic electronic block instrument and a working method of the block instrument. The block instrument is composed of a communication board, a collection board, a drive board, a monitoring board, a communication board and two logic control boards which are connected via a CAN (Controller Area Network) bus, wherein each logic control board comprises two CPUs (Central Processing Units) which are connected in parallel and a comparer; the collection board is composed of collection relays BSAJ, SGAJ, FUAJ and JSBJ which are connected in parallel; and the monitoring board is connected with a computer monitoring system. The two logic control boards of the block instrument form a double 2-vote-2 redundant system, and seven block signals are transmitted via a cable to realize communication among stations, so that the block instrument occupies a small space, has a stable system, is convenient to mount and is suitable for emergency rescue of railway signals; the block instrument is compatible with an existing railway signal interlock system so that digital communication among the stations is increased; automatic block among the stations is realized via a pre-reserved axle counting interface; the upgrading and reconstruction are convenient; the maintenance is convenient; the system has a self-diagnostic function; and the communication among the stations is realized via the cable so that the communication has strong anti-jamming capability and is difficult to damage.

Description

Electronization semi-automatic block machine and method of work thereof
Technical field
The present invention relates to the Railroad Communication System field, specifically a kind of electronic semi-automatic block machine and method of work thereof.
Background technology
All-relay semi-automatic block system has the advantages such as equipment is simple, circuit structure is tight, working stability is reliable, easy to use, maintenance construction easy, reduced investment, is used widely at China railways single line section.But there is following shortcoming in all-relay semi-automatic block system:
(1) block instrument is constituted by relay, and the relay combination takes up room larger, and relay needs periodic inspection, and maintenance workload is large;
(2) the system interior communication passes through cable transmission, poor anti jamming capability, and due to the cable maintenance difficulty, work capacity is large, cable easily aging, run into the situations such as disaster, larceny, breakage in installation and all can cause larger hidden danger to security information transmission between station, tend to cause the parking accident, low driving efficiency, incur loss through delay the train time etc.;
(3) inaccessible interface between the not reserved automatic Weather Station of system, upgrading is that between automatic Weather Station, inaccessible difficulty is large, the engineering complexity;
(4) system does not have fault self-diagnosis function, and the malfunction elimination difficulty is large.
Summary of the invention
In order to overcome the defect of above-mentioned traditional all-relay semi-automatic block system machine, the invention provides a kind of electronic semi-automatic block machine and replace traditional all-relay semi-automatic block system machine, take up room little, security of system is stable.
Native system is connected by the CAN bus by communication board, collection plate, drive plate, monitoring board, communication board and two logic control plates, and wherein each logic control plate comprises two parallel connections CPUWith a comparator; Collection plate is formed in parallel by collection relay BSAJ, SGAJ, FUAJ, JSBJ; Monitoring board is connected with microcomputer detecting system.
Further improve, in described logic control plate, fault detection module is arranged.
Further improve, on described collection plate, be reserved with the meter shaft interface, comprise relay J FLJ, ZBSJ, RBSAJ, QGFJ.
The present invention also provides a kind of method of work of electronic semi-automatic block machine, comprises the following steps:
1) the inner output of block instrument is processed: after harvester collects Information Monitoring, send to two logic control plates simultaneously data to be carried out to logic operation, if the first logic control plate CPU1 and CPU2Comparison of computational results is consistent, thinks that the first logic control plate Output rusults is effective, proofreads during by the fructufy of the operation result of the second logic control plate and the first logic control plate, and the second logic control plate operation result also is output, but reality is not used; If the first logic control plate CPU1 and CPU2Comparison of computational results is inconsistent, automatically switches to the second logic control plate and carries out the normal logic computing; Operation result is controlled the relay work of drive plate; Monitoring board is uploaded to microcomputer detecting system to the mode of operation of equipment and warning information, and system is carried out to real-time servicing;
2) the signal transmission between two station block instruments: the communication board between the block instrument at two stations transmits by optical cable seven kinds of block signals that relay produces: the request departure signal+, the automated response piece signal-, accept a train signal+, the information of departure signal+, the arrival release signal-, the cancellation release signal-, the accident release signal-, the normal rows of cars of sending and receiving, order transmission between two stations "+,-, +, +,-" combination of five DC pulses, "+,-, + " three DC pulses constitute the condition of dispatching a car that allows, if the pulse jamming of external single polar impulse or a plurality of different order, do not allow to dispatch a car.
Beneficial effect of the present invention is:
1, block instrument take up room little, system stability, easy for installation, applicable railway signal emergent is speedily carried out rescue work.
2,, with existing railway signal interlocking system compatible, increased digital communication between station.
3, upgrading is convenient, and reserved meter shaft Interface realization automatically closes up between station.
4, easy to maintenance, system possesses self-diagnostic function.
5, interior communication is used optical cable, and antijamming capability is strong, not fragile.
The accompanying drawing explanation
Fig. 1 is module diagram of the present invention.
Fig. 2 is logic control plate structure schematic diagram.
Fig. 3 is the acquisition interface circuit diagram.
Fig. 4 is the driving circuit schematic diagram.
Fig. 5 is complete Acquisition Circuit schematic diagram.
Fig. 6 is the front view of a kind of specific embodiment of the present invention outside.
Fig. 7 is the birds-eye view of a kind of specific embodiment of the present invention outside.
Fig. 8 is the back view of a kind of specific embodiment of the present invention outside.
Fig. 9 contacts schematic diagram between the semi-automatic block machine station.
Figure 10 is the block signal schematic diagram transmitted between two stations.
Figure 11 dispatches a car logical action sequentially for request.
Figure 12 is the logical action order of accepting a train.
Figure 13 is that train sets out logical action sequentially.
Figure 14 is that train arrives the logical action order.
Figure 15 restores the logical action order for arriving.
Figure 16 restores the logical action order for cancelling.
Figure 17 is that accident is restored the logical action order.
The specific embodiment
The invention will be further described below in conjunction with accompanying drawing.
As shown in Figure 1, the present invention is connected by the CAN bus by communication board, collection plate, drive plate, monitoring board, communication board and two logic control plates.As shown in Figure 2, each logic control plate comprises two parallel connections CPU, comparator and a fault detection module.Two logic control plates are subject to the control of a change-over switch, and two logic control plates form two and take advantage of two to get two redundant systems, have improved greatly system reliability.Monitoring board and microcomputer detecting system communicate, and the mode of operation of equipment and warning information are uploaded to microcomputer detecting system, accomplish the real-time servicing of system, and fault is accurately located.
Fig. 3 is the acquisition interface circuit diagram.Collection plate is formed in parallel by collection relay BSAJ, SGAJ, FUAJ, JSBJ.On collection plate, be reserved with the meter shaft interface, comprise relay J FLJ, ZBSJ, RBSAJ, QGFJ.
A kind of concrete driving circuit that provides according to thinking of the present invention and the schematic diagram of Acquisition Circuit are provided for Fig. 4 and Fig. 5.
Fig. 6 to Fig. 8 is a kind of specific embodiment external structure of the present invention, comprising: cpu package 1, INPUT assembly 2, NETWORK assembly 3, POWER assembly 4, SWITCH assembly 5, front panel 6, com component 7, installation sole 8, upper and lower cover plates 9, side plate 10, rear shrouding 11, protective ring 12, fixed connection terminal 13, grounding copper bolt 14.The electronization block instrument is the core of block equipment, is positioned over the signal Machine Room, and integrating cabinet is installed, and realizes the functions such as logic operation, acquisition of signal, signal output, interior communication.Power unit, exchange 220 power supplies, carries UPS, after outage, power-on time is not less than 30 minutes.
After the collection machine collects Information Monitoring, send to two logic control plates simultaneously data to be carried out to logic operation, if the first logic control plate CPU1 and CPU2Comparison of computational results is consistent, thinks that the first logic control plate Output rusults is effective, proofreads during by the fructufy of the operation result of the second logic control plate and the first logic control plate, and the second logic control plate operation result also is output, but reality is not used; If the first logic control plate CPU1 and CPU2Comparison of computational results is inconsistent, automatically switches to the second logic control plate and carries out the normal logic computing.
Fig. 9 contacts schematic diagram between the semi-automatic block machine station.Electronization semi-automatic block system machine equipment partly is comprised of electronic semi-automatic block machine, semi-automatic block system dedicated track circuit, control desk and station release-locking device etc.The track circuit that semi-automatic block system is used, at one section track circuit that is not less than 25 meters of interior side's installing of each two ends, station home signal, the supervision train sets out and arrives.Button, indication lamp, electric bell, counting machine etc. are arranged on control desk.
64D type single track all-relay semi-automatic block system circuit layout principle:
A, in order to protect the interference of extraneous electric current, adopt the DC pulse of "+,-,+" three opposed polarities to constitute the permission departure signal.
B, train, from tours start here, while entering the tours start here track circuit section, make the block instrument obturation of tours start here, and automatically to the train information of departure signal that connects a positive pulse of station transmission.
C, only have train to arrive, and go out to connect clearly the station track circuit section, Platform attendant is confirmed the complete arrival of train, and after sending the arrival release signal of negative pulse, two station block instruments is restored, interval could block cleared.
Opening and the control circuit such as inaccessible of d, block instrument, form with the closed type principle, and adopt safety type relay, therefore, when the faults such as generation instantaneous power failure or broken string, all can meet " fault-safety " requirement.
As shown in figure 10: between two stations, should transmit seven kinds of block signals that relay produces: request departure signal (+), automated response piece signal (-), the signal (+) of accepting a train, information of departure signal (+), arrival release signal (-), cancel release signal (-), accident release signal (-).Form and to allow the condition of dispatching a car, must have the combination of "+,-,+" three DC pulses; The normal rows of cars of sending and receiving, between two stations order transmit "+,-,+,+,-" combination of five DC pulses.If the pulse jamming of external single polar impulse or a plurality of different order, can not form the condition of dispatching a car that allows, can not complete the sending and receiving car process of a train.
The semi-automatic block system technical requirements:
(1) guarantee the traffic safety aspect
A, Single track semi-automatic block, while only using section cleared, after tours start here sent the request departure signal and receives the signal of accepting a train that connects station, the block instrument of tours start here could be opened, and starting signal could be opened.After connecing station and sending the signal of accepting a train, block instrument should be in blocked state.
B, when train sets out while entering the departure track circuit section, the block instrument at both sides station all should be in blocked state.
C, train arrive and connect station, enter and go out track circuit interval clearly, and receiving route release handling just can make the block instrument that both sides stand restore after arriving and restoring.
After d, block instrument are in blocked state, connecing before station do not send and arrive release signal or accident release signal, when various faults or wrong handling occur, all can not make to connect the station block instrument and restore, the tours start here block instrument is restored.
After e, tours start here block instrument are opened and are opened exit signal, if the track circuit et out of order should make both sides' block instrument of standing be in blocked state; Train arrives and connects station, if the track circuit et out of order allows to use emergency button to handle accident and restores.
The track circuit of f, semi-automatic block system special use, its length are no less than 25 meters.
Any one breaks g, inaccessible outside line, when ground connection, swinging cross, mixed electricity and outer electric noise fault, or during wrong handling, all should guarantee that block instrument is can not mistake open-minded.
When between h, obturation and station, block telephone shared outside line, both were independent of each other.
When i, mains connection set service restoration, block instrument should be in blocked state.After only with two station watch keeper, confirming section cleared, with emergency button, block instrument is restored.
(2) improve driving efficiency aspect
Before a, block instrument were opened afterwards and train does not set out, the permission tours start here was cancelled the inaccessible or change departure route of having run well under the starting signal closed condition.
After b, block instrument are opened, at the not open exit signal of tours start here or before connecing the not open home signal in station, allow to carry out the instation shunting operation.
C, block instrument should be swift in motion, and handle easyly, mean clear.Specifically ask, open, the expressions such as inaccessible, train information of departure and train arrival.
D, inaccessible function are distinguished calling signal and the request departure signal of general conversation.
E, block instrument have the performance of being convenient to check block equipment, track circuit and outside line, in order to find in time fault, repair rapidly, guarantee normal use.
F, guarantee should to reduce element under " fault-safety " principle as far as possible, simplify circuit, improve the reliability of block instrument, guarantee that device security uses.
The blocking formality
(1) normally handle
The normal blocking step of table 1 and block instrument view table
(2) cancel and restoring
After cancellation is restored and is referred to the blocking formality, when train can not be dispatched a car for some reason, and the method for the cancellation obturation adopted.Cancel the recovery executive and be the tours start here watch keeper, connect Platform attendant and can't realize cancelling recovery.
Cancelling recovery has three kinds of situation: a, tours start here request to dispatch a car, after receiving the receipt signal that connects station, and the two equal amber lights in station, tours start here is cancelled recovery; After b, tours start here are received the signal of accepting a train of remote station, the two equal green lights in station, but its starting signal not yet open before, tours start here is cancelled and being restored; C, electric interlocking station, the two equal green lights in station, after the open starting signal of tours start here, before train not yet set out, tours start here was cancelled recovery.
(3) accident is restored
When block instrument can not normally restore, the special recovery way of employing was that accident is restored.While after inaccessible power cut-off, again restoring electricity; Train arrives and connects station, and barrier can not be handled and arrive while restoring for some reason; Because of cause specific, after the train departures, in the time of must returning to former tours start here by interval.
Implementation procedure is analyzed
Block instrument is by 13 logical variables that the relay logic is corresponding, namely by ZXJ, FXJ, ZDJ, FDJ, BSJ, XZJ, ZKJ, KTJ, FUJ, HDJ, TJJ, TCJ, GDJForm.And FUAJ, SGAJ, BSAJ, JSBJ, FSBJ, DLJFor peripheral relay logical variable, needing to gather contact information has BSA, FUA, SGA, FSBJ, JSBJ, AGJF, driver output interface relay has FBD-H, FBD-U, FBD-L, JBD-H, JBD-U, JBD-L, JSQ, DLJ, KTJ, XZJ.
Normal blocking logic analysis: take the first station is tours start here, and the second station is for connecing station
Figure 11 dispatches a car logical action sequentially for request.
Figure 12 is the logical action order of accepting a train.So far the first station has BSJ, XZJ, ZKJ, GDJ, KTJPick up, the second station has TJJPick up.
Figure 13 is that train sets out logical action sequentially.So far first station relay all falls, and the second station has TCJ, GDJPick up.
Figure 14 is that train arrives the logical action order.Now, the second station has TCJ, HDJPick up.
Figure 15 restores the logical action order for arriving.So far the first and second stations only have BSJPick up.
Figure 16 restores the logical action order for cancelling.
Figure 17 is that accident is restored the logical action order.
The concrete application approach of the present invention is a lot, and the above is only the preferred embodiment of the present invention, should be understood that; for those skilled in the art; under the premise without departing from the principles of the invention, can also make some improvement, these improvement also should be considered as protection scope of the present invention.

Claims (4)

1. electronic semi-automatic block machine is characterized in that: by communication board, collection plate, drive plate, monitoring board, communication board and two logic control plates, be connected by the CAN bus, wherein each logic control plate comprises two parallel connections CPUWith a comparator; Collection plate is formed in parallel by collection relay BSAJ, SGAJ, FUAJ, JSBJ; Monitoring board is connected with microcomputer detecting system.
2. electronic semi-automatic block machine according to claim 1, is characterized in that: in described logic control plate, fault detection module is arranged.
3. electronic semi-automatic block machine according to claim 1, is characterized in that: on described collection plate, be reserved with the meter shaft interface, comprise relay J FLJ, ZBSJ, RBSAJ, QGFJ.
4. the method for work of the described electronic semi-automatic block machine of claims 1 to 3 is characterized in that comprising the following steps:
1) the inner output of block instrument is processed: after harvester collects Information Monitoring, send to two logic control plates simultaneously data to be carried out to logic operation, if the first logic control plate CPU1 and CPU2Comparison of computational results is consistent, thinks that the first logic control plate Output rusults is effective, proofreads during by the fructufy of the operation result of the second logic control plate and the first logic control plate, and the second logic control plate operation result also is output, but reality is not used; If the first logic control plate CPU1 and CPU2Comparison of computational results is inconsistent, automatically switches to the second logic control plate and carries out the normal logic computing; Operation result is controlled the relay work of drive plate; Monitoring board is uploaded to microcomputer detecting system to the mode of operation of equipment and warning information, and system is carried out to real-time servicing;
2) the signal transmission between two station block instruments: the communication board between the block instrument at two stations transmits by optical cable seven kinds of block signals that relay produces: the request departure signal+, the automated response piece signal-, accept a train signal+, the information of departure signal+, the arrival release signal-, the cancellation release signal-, the accident release signal-, the normal rows of cars of sending and receiving, order transmission between two stations "+,-, +, +,-" combination of five DC pulses, "+,-, + " three DC pulses constitute the condition of dispatching a car that allows, if the pulse jamming of external single polar impulse or a plurality of different order, do not allow to dispatch a car.
CN2013103662786A 2013-08-21 2013-08-21 Semi-automatic electronic block instrument and working method of block instrument Pending CN103407463A (en)

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Cited By (7)

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CN106741001A (en) * 2016-12-26 2017-05-31 合肥工大高科信息科技股份有限公司 Semiautomatic block interlock logic implementation method based on state diagram mode
CN106809249A (en) * 2017-02-09 2017-06-09 北京太器铁道科技有限公司 Microcomputer semiautomatic block equipment and its method of work
CN107885695A (en) * 2016-12-23 2018-04-06 比亚迪股份有限公司 Computer platform based on track traffic
CN111016967A (en) * 2019-11-27 2020-04-17 北京西南交大盛阳科技有限公司 Interval monitoring method, device, system, computer equipment and storage medium
WO2021115243A1 (en) * 2019-12-14 2021-06-17 中车大连电力牵引研发中心有限公司 Programmable logic control system applied to subway train
CN114475719A (en) * 2022-04-01 2022-05-13 北京全路通信信号研究设计院集团有限公司 Method and system for updating block state of interval
CN114475719B (en) * 2022-04-01 2022-09-09 北京全路通信信号研究设计院集团有限公司 Method and system for updating block state of interval

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Cited By (12)

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Publication number Priority date Publication date Assignee Title
CN107885695A (en) * 2016-12-23 2018-04-06 比亚迪股份有限公司 Computer platform based on track traffic
WO2018113763A1 (en) * 2016-12-23 2018-06-28 比亚迪股份有限公司 Computer platform based on rail transit
CN107885695B (en) * 2016-12-23 2019-02-26 比亚迪股份有限公司 Computer platform based on rail traffic
CN106741001A (en) * 2016-12-26 2017-05-31 合肥工大高科信息科技股份有限公司 Semiautomatic block interlock logic implementation method based on state diagram mode
CN106741001B (en) * 2016-12-26 2019-01-29 合肥工大高科信息科技股份有限公司 Semiautomatic block interlock logic implementation method based on state diagram mode
CN106809249A (en) * 2017-02-09 2017-06-09 北京太器铁道科技有限公司 Microcomputer semiautomatic block equipment and its method of work
CN111016967A (en) * 2019-11-27 2020-04-17 北京西南交大盛阳科技有限公司 Interval monitoring method, device, system, computer equipment and storage medium
CN111016967B (en) * 2019-11-27 2021-08-27 北京西南交大盛阳科技有限公司 Interval monitoring method, device, system, computer equipment and storage medium
WO2021115243A1 (en) * 2019-12-14 2021-06-17 中车大连电力牵引研发中心有限公司 Programmable logic control system applied to subway train
WO2021114642A1 (en) * 2019-12-14 2021-06-17 中车大连电力牵引研发中心有限公司 Programmable logic control system applied to subway train
CN114475719A (en) * 2022-04-01 2022-05-13 北京全路通信信号研究设计院集团有限公司 Method and system for updating block state of interval
CN114475719B (en) * 2022-04-01 2022-09-09 北京全路通信信号研究设计院集团有限公司 Method and system for updating block state of interval

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Application publication date: 20131127