CN103770811A - Railway unattended crossing monitoring method and device - Google Patents
Railway unattended crossing monitoring method and device Download PDFInfo
- Publication number
- CN103770811A CN103770811A CN201410039653.0A CN201410039653A CN103770811A CN 103770811 A CN103770811 A CN 103770811A CN 201410039653 A CN201410039653 A CN 201410039653A CN 103770811 A CN103770811 A CN 103770811A
- Authority
- CN
- China
- Prior art keywords
- train
- information
- railway
- road junction
- controller
- 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.)
- Pending
Links
Images
Abstract
The invention belongs to an automation control technology, and particularly relates to a railway unattended crossing monitoring method and a railway unattended crossing monitoring device. The railway unattended crossing monitoring device comprises a controller, an electric guardrail, a prompting device and train information collecting devices, wherein the train information collection devices consist of several groups of sensors and information transceivers and are respectively arranged at the two sides of a railway crossing, the prompting device comprises a traffic lamp and a warning device, and the controller is respectively connected with the information transceivers, the electric guardrail, the traffic lamp and the warning device. The method and the device provided by the invention have the beneficial effects that the unattended automatic control on the railway crossing is realized, errors possibly occurring through personnel operation are avoided, the safety of the railway crossing can be effectively improved, meanwhile, the realization mode is simple, and the cost is low. The railway unattended crossing monitoring method and the railway unattended crossing monitoring device are particularly suitable for being used at the railway unattended crossing.
Description
Technical field
The invention belongs to automated control technology, relate to specifically a kind of method for supervising for the unmanned road junction of railway and device.
Background technology
The equipment using for railway highway level crossing signal is at present DX3 type grade crossing signal equipment, its principle of work is: when without approach of train road junction, the notice point that approaches of equipment is notified relay energized, makes alarm relay keep picking up through stick contact, now alarm free signal; When train arrive road junction approach notice point time, notice relay falls, the energizing circuit of alarm relay is cut off, thereby alarm relay falls, connect warning circuit, now provide alerting signal, directional relay picks up self-closing simultaneously, light turning indicator, in the time that train sails road junction arrival notice point into, arrival notice relay energized, train moves on, sail out of after arrival notice point, arrival notice relay falls, and notice relay energized is connected alarm relay energizing circuit, cut off warning circuit, stop sound and light alarm.
Still there are Railroad Crossing Monitor System, road junction frequency image monitoring system and the ARM control system based on GPS and GPRS etc. based on DSP and ethernet in the system equipment of conceptual phase.
Railroad Crossing Monitor System based on DSP and ethernet is made up of monitoring and control centre subsystem and near be distributed in road junction multiple monitoring stations subsystem.Principle is: a detecting test station subsystem obtains the information of train running state by two speed sensors, send this information to monitoring and control centre by ethernet control chip, whether monitoring and control centre can be according to having train arrival to enter alarm condition or remove alarm condition.
Road junction frequency image monitoring system principle is: in the time period at train by arrival road junction, start camera, take road junction real-time condition, and the video image collecting is sampled by A/D, obtain dynamic sequence picture frame, and these images being given after treatment to the specific reception facilities of train by radiotelex by the mode of code, driver just can understand according to the signal code receiving the situation at road junction, front.
An ARM control system part based on GPS and GPRS is installed aboard, comprise the high ARM core chip of GPS, fast operation precision that realizes location and the GPRS transmitter module of realizing radio communication, a part is arranged on road junction, ground, comprise micro controller system and GPRS receiver module etc., system utilizes GPS to realize train location, send the location information of train to road junction micro controller system by GPRS wireless transmissioning mode, micro controller system is realized automatically and being controlled signal and roadway gate etc. then.
Wherein, X3 type grade crossing signal equipment can only be controlled the traffic lights light on and off of grade crossing signal automatically, can not realize the automatic control of cross barrier at grade crossing and voice broadcast prompting, therefore this equipment need to have road junction guard to nurse; Railroad Crossing Monitor System cost reliability and stability higher and ethernet based on DSP and ethernet are poor; Road junction frequency image monitoring system can only make engine driver recognize the situation at road junction, front and can not realize the automatic control to cross barrier at grade crossing and signal, and the real-time of this system and stability are bad in addition; There is GPRS network blind area in the GPRS cordless communication network that the ARM control system based on GPS and GPRS is used, the real-time communication of train and road jaws equipment can not get ensureing, therefore have certain limitation in remote districts; Above scheme is all that single road junction is controlled, not in time road junction data upload to monitoring and control centre, can not realize overall situation monitoring to road junction state.Therefore current level crossing does not have a kind of failure-free automation control system.
Summary of the invention
To be solved by this invention, be exactly the problem existing for traditional railway crossing protection equipment, a kind of railway unmanned road junction method for supervising and device are proposed:
The present invention solves the problems of the technologies described above adopted technical scheme: as shown in Figure 1, the unmanned road junction of railway control monitor unit, comprises controller, electric railing, suggestion device and train information harvester; Described train information collection is multiple, each by many group sensors and information transceiver composition, and is separately positioned on both sides, level crossing; Described suggestion device comprises traffic lights and annunciator, and described controller is connected with information transceiver, electric railing, traffic lights and annunciator respectively.
Concrete, also comprising GPRS module and monitoring equipment, described GPRS module is connected with controller respectively with monitoring equipment, the position of described GPRS module location train, and send to controller.
Concrete, described sensor is multipair infrared emission sensor, comprises transmitting terminal and receiving end, and described transmitting terminal and receiving end have 4 pairs at least, and described transmitting terminal and receiving end are arranged on the both sides of railway, and transmitting terminal is arranged on same side or ipsilateral not.
Concrete, described transmitting terminal and receiving end are 4 pairs, wherein 4 transmitting terminals are arranged on the same side, 4 receiving ends are arranged on opposite side, the 2 pairs of transmitting terminals and receiving end are arranged on 100-150mm position on rail horizontal surface, and other 2 pairs of transmitting terminals and receiving end are arranged on 2000-2500mm position on rail horizontal surface.
As shown in Figure 2, the unmanned road junction of railway method for supervising, is characterized in that, comprises the following steps:
A. in both sides, the unmanned road junction of railway, train information harvester is set respectively;
B. the train information harvester of both sides carries out Real-Time Monitoring to the railway of both sides respectively, and the information collecting is sent to controller;
C. controller has judged whether that according to the information receiving train passes through, and if so, enters steps d, if not, gets back to step b;
D. controller control railing falls, and cuts off this level crossing, and continues to receive the Information Monitoring that train information harvester transmits, and judges that train, whether completely by level crossing, if so, enters step e, if not, and repeating step d;
E. controller control railing lifts, and gets back to step b.
Concrete, steps d middle controller judges that whether train by the concrete grammar of level crossing is completely:
C1. controller has train to pass through according to the information judgement left side or the right side that receive, if left side enters step c2, if right side enters step c3;
C2. the information gathering according to the train information harvester on right side, judges that whether train is by right side, if so, judges that train, to pass through level crossing completely, enters step e, if not, and repeating step c2;
C3. the information gathering according to the train information harvester in left side, judges that whether train is by right side, if so, judges that train, to pass through level crossing completely, enters step e, if not, and repeating step c3.
Concrete, step c middle controller has judged whether that according to the information receiving train is by being specially:
Accept the information of the train information harvester transmission of the left and right sides simultaneously, judge whether left side or right side have train to pass through.
Further, in steps d, judge whether train also comprises by level crossing completely:
If d1. left side has train to pass through, the information of the train information harvester collection by right side judges whether train passes through completely, judges whether right side has train to pass through simultaneously, if, enter d2, if not, continue judge train completely by after enter step e;
If d2. right side has train to pass through, the information of the train information harvester collection by left side judges whether train passes through completely, judges whether left side has train to pass through simultaneously, if, get back to steps d 1, if not, continue judge train completely by after enter step e.
Further, each step all sends to outer monitoring platform by controller by process information.
Beneficial effect of the present invention is, realizes the unmanned of level crossing controlled automatically, avoids personnel to operate the error that may occur, effectively improves the safety of level crossing, and implementation is simple, with low cost simultaneously.
Accompanying drawing explanation
Fig. 1 is logical organization schematic block diagram of the present invention;
Fig. 2 is workflow schematic diagram of the present invention;
Fig. 3 is power supply architecture schematic diagram of the present invention;
Fig. 4 is the scheme of installation of sensor of the present invention.
The specific embodiment
Below in conjunction with accompanying drawing, describe technical scheme of the present invention in detail:
As shown in Figure 1, the unmanned road junction of railway of the present invention control monitor unit, comprise that two trains enter and leave that status information detecting sensor group and train information gather transceiver, train information gathers transceiver, embedded controller, electric railing, traffic light device, audio devices, GPRS module, monitoring center, wherein train enters and leaves status information detecting sensor group and train information and gather transceiver and train information and gather transceiver and form train information harvester and be separately positioned on both sides, road junction.
Described train enters and leaves the information of status information detecting sensor group in order to gather train arrival and to leave, and is that train enters and leaves status information detecting sensor group as adopted infrared emission sensor; The present invention is take infrared emission sensor as example, and this sensor group at least comprises four pairs of infrared emission sensors, and both sides, road junction are each arranges one group, and Train Approaching road junction and the state-detection of leaving road junction are responsible in one kilometer of left and right apart from road junction.
Described train information gathers the train signal that transceiver gathers for the treatment of sensor group, after processing, signal obtains Train Approaching or leave message, the information of processing is sent to embedded controller simultaneously, transmission mode can have a lot, as by 485 buses, ethernet, CAN bus, wireless mode can.
Described embedded controller gathers according to train information the information that transceiver transmits, judge whether that train drives towards road junction, if train is during through road junction, need to judge whether train has passed through road junction completely, whether fall according to electric railing described in judged result control, start traffic light device simultaneously and carry out traffic lights switching, start audio devices and point out or report to the police, start GPRS module and report and submit road junction status data to monitoring and control centre.
Described electric railing, in order to fall during through road junction when train, stops pedestrian and vehicle to pass through; After train is completely by road junction, lift, allow pedestrian and vehicle to pass through.
Described traffic light device is in order to show red light during through road junction when train, and prompting pedestrian and vehicle have train will pass through road junction; After train is completely by road junction, show green light, allow pedestrian and vehicle to pass through.
Described audio devices, in order to when train is during through road junction, is reported warning language by loudspeaker, and prompting pedestrian and vehicle have train will pass through road junction; Train, completely by behind road junction, is passed through by loudspeaker prompting train, and Pedestrians and vehicles can pass through road junction.
Described GPRS module sends road junction status information in order to timing the road monitoring center of far-end, in the time that train passes through, the status information of change can be real-time transmitted to the road monitoring center of far-end; Also can make otherwise to transmit.
Described monitoring center 1, in order to transmitted road junction embedded controller breath is stored, to be processed and to be presented on giant-screen, makes the crossing management person of monitoring center at a distance grasp and observe the each road junction situation in compass of competency.
As shown in Figure 2, be groundwork flow process of the present invention, comprising:
Step 1. starts;
The initialization of step 2. embedded controller;
Whether, when step 3. does not have train to drive towards road junction, whether embedded controller gathers transceiver detection train by the state of this node in fixed-time control train information always, complete test train information acquisition transceiver simultaneously and normally work; Simultaneously, also to timed sending road junction, condition monitoring center, road junction status data, receive monitoring center's return data, complete and the communication test of monitoring center, if find corresponding fault, give the prompting of being out of order, turn to step 9; Trouble free repeats 3;
Step 4., when the train of road junction one side enters when leaving status information detecting sensor group output signal and change, has illustrated that train, soon through road junction, turns to step 5; Without turning to step 3;
Step 5. embedded controller sends control command, controls electric railing and falls, and traffic light device shows red light, and audio devices loudspeaker are reported, and forbid that pedestrian passes through;
Step 6. waits for that train passes through road junction;
Step 7. train is completely by behind road junction, and the train of road junction opposite side enters when leaving status information detecting sensor group output signal and change, illustrates that train has left road junction completely, turns to step 8;
Step 8. train is completely away from road junction, and embedded controller sends control command, controls electric railing and lifts, and traffic light device shows green light, and audio devices is reported pedestrian can safe passing, turns to step 10;
Step 9. illustrative system device is made mistakes, and electric railing should put down, when red, and audio devices is reported warning, and no entry, and notify related personnel to detect maintenance by GPRS module;
Step 10. finishes.
Wherein, arrive step 10 and finish at once to restart after this judgement, lasting circulation detects level crossing.
Be that safety is left road junction at the train of a side, when opposite side has again train to pass through, under railing type discharge, and conversion judges whether train leaves the judgement side at road junction rapidly, as: leave and transfer right side judgement to by left side judgement, till this judgement is continued until that road junction is all left completely by train in both sides.
The power supply that native system provides can be storage battery, can be also solar cell.As shown in Figure 3, this power-supply system is made up of solar cell and storage battery and mu balanced circuit the structure of solar cell.While having solar radiation, solar cell charges a battery on the one hand, is again the each module for power supply of system on the other hand; In the time of cloudy day and night, be that each system module is powered by storage battery.Storage battery output voltage is 6V, through MAX667 voltage stabilizing, and by OUT end output+5V voltage, R1 and R2 composition bleeder circuit.
As shown in Figure 4, adopting infrared emission sensor is that train enters and leaves status information detecting sensor group, and infrared emission sensor is made up of transmitting terminal and receiving end, and the white circle in figure represents transmitting terminal, and the circle of black represents receiving end.Infrared can have multipairly, and transmitting terminal can be in a side, also can be in both sides, and this example describes take 4 pairs as example, and can two when transmitting high two low, transmitting terminal be in the same side, as shown in Figure 4; Two low parallel correlation, another two pairs can be to high correlation, two lowly can exceed orbital plane 100mm between 150mm, two high 2000mm are between 2500mm, meeting railway clearance will require, the infrared emission sensor of horizontal positioned can detect blocking of wheel, one side is that high one side is lowly can detect flat truck, like this, just can guarantee that the various vehicles of railway can be detected, in like manner, infrared pickoff can be multiple, can be multi-form, also can select the sensor of other this function.
The principle of work of device of the present invention is: adopt train to enter and leave status information detecting sensor group and the arrival of train and the information of leaving away can be detected accurately; Can complete the transmission of data by the mode of communication, for example can use CAN bus, CAN bus can be fast, accurately train information is sent to the embedded controller at road junction, then embedded controller sends and controls control command control railing, traffic lights and annunciator, arrives or leaves away thereby remind or stop pedestrian and vehicle to be about to train; GPRS can regularly send road junction status information to the road monitoring center of far-end, to facilitate staff to grasp the situation at each road junction in compass of competency; The road junction information that monitoring center can send GPRS is presented on giant-screen.
Claims (9)
1. the unmanned road junction of railway control monitor unit, is characterized in that, comprises controller, electric railing, suggestion device and train information harvester; Described train information collection is multiple, each by many group sensors and information transceiver composition, and is separately positioned on both sides, level crossing; Described suggestion device comprises traffic lights and annunciator, and described controller is connected with information transceiver, electric railing, traffic lights and annunciator respectively.
2. the unmanned road junction of railway according to claim 1 control monitor unit, it is characterized in that, also comprise GPRS module and monitoring equipment, described GPRS module is connected with controller respectively with monitoring equipment, the position of described GPRS module location train, and send to controller.
3. the unmanned road junction of railway according to claim 1 and 2 control monitor unit, it is characterized in that, described sensor is multipair infrared emission sensor, comprise transmitting terminal and receiving end, described transmitting terminal and receiving end have 4 pairs at least, described transmitting terminal and receiving end are arranged on the both sides of railway, and transmitting terminal is arranged on same side or ipsilateral not.
4. the unmanned road junction of railway according to claim 3 control monitor unit, it is characterized in that, described transmitting terminal and receiving end are 4 pairs, wherein 4 transmitting terminals are arranged on the same side, 4 receiving ends are arranged on opposite side, the 2 pairs of transmitting terminals and receiving end are arranged on 100-150mm position on rail horizontal surface, and other 2 pairs of transmitting terminals and receiving end are arranged on 2000-2500mm position on rail horizontal surface.
5. the unmanned road junction of railway method for supervising, is characterized in that, comprises the following steps:
A. in both sides, the unmanned road junction of railway, train information harvester is set respectively;
B. the train information harvester of both sides carries out Real-Time Monitoring to the railway of both sides respectively, and the information collecting is sent to controller;
C. controller has judged whether that according to the information receiving train passes through, and if so, enters steps d, if not, gets back to step b;
D. controller control railing falls, and cuts off this level crossing, and continues to receive the Information Monitoring that train information harvester transmits, and judges that train, whether completely by level crossing, if so, enters step e, if not, and repeating step d;
E. controller control railing lifts, and gets back to step b.
6. the unmanned road junction of railway according to claim 5 method for supervising, is characterized in that, steps d middle controller judges that whether train by the concrete grammar of level crossing is completely:
C1. controller has train to pass through according to the information judgement left side or the right side that receive, if left side enters step c2, if right side enters step c3;
C2. the information gathering according to the train information harvester on right side, judges that whether train is by right side, if so, judges that train, to pass through level crossing completely, enters step e, if not, and repeating step c2;
C3. the information gathering according to the train information harvester in left side, judges that whether train is by right side, if so, judges that train, to pass through level crossing completely, enters step e, if not, and repeating step c3.
7. the unmanned road junction of railway according to claim 5 method for supervising, is characterized in that, step c middle controller has judged whether that according to the information receiving train is by being specially:
Accept the information of the train information harvester transmission of the left and right sides simultaneously, judge whether left side or right side have train to pass through.
8. the unmanned road junction of railway according to claim 7 method for supervising, is characterized in that, judges whether train also comprises by level crossing completely in steps d:
If d1. left side has train to pass through, the information of the train information harvester collection by right side judges whether train passes through completely, judges whether right side has train to pass through simultaneously, if, enter d2, if not, continue judge train completely by after enter step e;
If d2. right side has train to pass through, the information of the train information harvester collection by left side judges whether train passes through completely, judges whether left side has train to pass through simultaneously, if, get back to steps d 1, if not, continue judge train completely by after enter step e.
9. according to the unmanned road junction of the railway method for supervising described in claim 5～8 any one, it is characterized in that, each step all sends to outer monitoring platform by controller by process information.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410039653.0A CN103770811A (en) | 2014-01-27 | 2014-01-27 | Railway unattended crossing monitoring method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410039653.0A CN103770811A (en) | 2014-01-27 | 2014-01-27 | Railway unattended crossing monitoring method and device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103770811A true CN103770811A (en) | 2014-05-07 |
Family
ID=50563701
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410039653.0A Pending CN103770811A (en) | 2014-01-27 | 2014-01-27 | Railway unattended crossing monitoring method and device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103770811A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104527726A (en) * | 2014-12-30 | 2015-04-22 | 岳阳长炼机电工程技术有限公司 | Infrared detecting instrument railway crossing alarm device |
| CN104627206A (en) * | 2015-02-02 | 2015-05-20 | 三电有限公司 | Automatic alarm system and alarm method of tramcar intersection crossing |
| CN104751645A (en) * | 2015-04-08 | 2015-07-01 | 上海交大高新技术股份有限公司 | Intelligent bridge gateway machine and traffic signal control system |
| CN106340118A (en) * | 2016-08-22 | 2017-01-18 | 深圳怡化电脑股份有限公司 | Locking device and automatic teller machine |
| CN104142642B (en) * | 2014-07-03 | 2017-02-01 | 苏州市职业大学 | Automatic traffic guardrail rising and lowering system based on control of intelligent terminal |
| CN107697103A (en) * | 2017-08-11 | 2018-02-16 | 北京铁道工程机电技术研究所有限公司 | A kind of railway security guard system |
| CN108757016A (en) * | 2018-07-04 | 2018-11-06 | 广州市轻工高级技工学校（广州市轻工技师学院、广州市轻工高级职业技术培训学院） | A kind of rail traffic evacuation platform |
| CN112572551A (en) * | 2021-01-29 | 2021-03-30 | 青海兰金电子科技有限公司 | Railway crossing safety control system |
| CN116279706A (en) * | 2023-03-06 | 2023-06-23 | 重庆赛迪奇智人工智能科技有限公司 | Method, system, device and electronic equipment for controlling crossing signal machine |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5735492A (en) * | 1991-02-04 | 1998-04-07 | Pace; Joseph A. | Railroad crossing traffic warning system apparatus and method therefore |
| US6179252B1 (en) * | 1998-07-17 | 2001-01-30 | The Texas A&M University System | Intelligent rail crossing control system and train tracking system |
| CN101863279A (en) * | 2010-04-29 | 2010-10-20 | 烟台汽车工程职业学院 | Safety system for railway and highway crossings |
| CN102826107A (en) * | 2011-06-17 | 2012-12-19 | 同济大学 | Unattended remote monitoring control system for road junction of railways |
| CN103043086A (en) * | 2012-12-18 | 2013-04-17 | 上海电机学院 | Railroad crossing automatic monitoring system |
-
2014
- 2014-01-27 CN CN201410039653.0A patent/CN103770811A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5735492A (en) * | 1991-02-04 | 1998-04-07 | Pace; Joseph A. | Railroad crossing traffic warning system apparatus and method therefore |
| US6179252B1 (en) * | 1998-07-17 | 2001-01-30 | The Texas A&M University System | Intelligent rail crossing control system and train tracking system |
| CN101863279A (en) * | 2010-04-29 | 2010-10-20 | 烟台汽车工程职业学院 | Safety system for railway and highway crossings |
| CN102826107A (en) * | 2011-06-17 | 2012-12-19 | 同济大学 | Unattended remote monitoring control system for road junction of railways |
| CN103043086A (en) * | 2012-12-18 | 2013-04-17 | 上海电机学院 | Railroad crossing automatic monitoring system |
Non-Patent Citations (1)
| Title |
|---|
| 陈颖，马晓兰，沈佳杰: "基于单片机的铁路道口报警系统", 《自动化技术与应用》, vol. 32, no. 9, 30 September 2013 (2013-09-30) * |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104142642B (en) * | 2014-07-03 | 2017-02-01 | 苏州市职业大学 | Automatic traffic guardrail rising and lowering system based on control of intelligent terminal |
| CN104527726A (en) * | 2014-12-30 | 2015-04-22 | 岳阳长炼机电工程技术有限公司 | Infrared detecting instrument railway crossing alarm device |
| CN104627206A (en) * | 2015-02-02 | 2015-05-20 | 三电有限公司 | Automatic alarm system and alarm method of tramcar intersection crossing |
| CN104751645A (en) * | 2015-04-08 | 2015-07-01 | 上海交大高新技术股份有限公司 | Intelligent bridge gateway machine and traffic signal control system |
| CN104751645B (en) * | 2015-04-08 | 2017-07-11 | 上海交大高新技术股份有限公司 | The barrier gate device and its traffic signal control system of smart bridge |
| CN106340118A (en) * | 2016-08-22 | 2017-01-18 | 深圳怡化电脑股份有限公司 | Locking device and automatic teller machine |
| CN107697103A (en) * | 2017-08-11 | 2018-02-16 | 北京铁道工程机电技术研究所有限公司 | A kind of railway security guard system |
| CN108757016A (en) * | 2018-07-04 | 2018-11-06 | 广州市轻工高级技工学校（广州市轻工技师学院、广州市轻工高级职业技术培训学院） | A kind of rail traffic evacuation platform |
| CN112572551A (en) * | 2021-01-29 | 2021-03-30 | 青海兰金电子科技有限公司 | Railway crossing safety control system |
| CN116279706A (en) * | 2023-03-06 | 2023-06-23 | 重庆赛迪奇智人工智能科技有限公司 | Method, system, device and electronic equipment for controlling crossing signal machine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103770811A (en) | Railway unattended crossing monitoring method and device | |
| CN109983516B (en) | Emergency notification warning system | |
| CN206805800U (en) | People's car automatic early-warning system | |
| CN104527725B (en) | The system of station track circuit section shunting badness is solved based on distance measuring sensor | |
| CN102826107A (en) | Unattended remote monitoring control system for road junction of railways | |
| CN205365643U (en) | Railway construction alarm device that sends a car | |
| CN109166328B (en) | Operation control system and method based on rubber wheel virtual rail train | |
| CN202003509U (en) | Intelligent traffic management system based on inter-vehicle network | |
| CN206805801U (en) | Hazardous vehicles cross the street caution system | |
| CN209265704U (en) | Intelligent traffic signal lamp control system | |
| CN205311596U (en) | Railway transport of passengers station platform passenger safety protection system that waits | |
| CN106297240A (en) | A kind of mine locomotive transport monitor system and method | |
| CN111137330A (en) | Level crossing safety traffic system and level crossing control system | |
| CN101791990A (en) | Train approach informing system and method at railway unattended crossing | |
| CN205068787U (en) | Leading warning system of traffic signals based on mobile unit | |
| CN106218450A (en) | A kind of electric locomotive automatic power signal electric blocking system and method | |
| CN108877242B (en) | Control system and control method of signal lamp vehicle inspection unit with intelligent network connection | |
| CN210091376U (en) | Vehicle illegal parking detection system | |
| CN108831123A (en) | Internet of Things intelligent transportation safeguards system | |
| CN101554877B (en) | Overlimit laser monitoring and alarming system of suspension train | |
| CN205256349U (en) | Track is bad district section monitoring system along separate routes | |
| CN203628429U (en) | Street lamp with alarm lamp signals | |
| CN102509463A (en) | System and method for prompting drivers to know acquisition condition of priority signal | |
| CN107424421A (en) | A kind of intelligent traffic control system | |
| CN202896313U (en) | Off-line detection and alarm device used for trolley bus |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140507 |