Train running distance monitoring system and method
阅读说明：本技术 列车行驶车距监测系统和方法 (Train running distance monitoring system and method ) 是由 窦学丽 于 2019-10-16 设计创作，主要内容包括：本发明公开了一种列车行驶车距监测系统和方法,系统包括安装在列车上的定位模块和距离监测模块、沿列车轨道布置的定位基站；第一列车位于第二列车之前,且二者相邻行驶；第一定位基站用于与第一列车上的定位模块通信,获取第一列车的位置信息,发送给第二定位基站；第二定位基站用于与第二列车上的定位模块通信,获取第二列车的位置信息,基于两列车的位置信息获取两列车的距离信息,将距离信息发送给第二列车上的距离监测模块；第二列车上的距离监测模块用于将距离信息与预设的安全距离阈值比较,若低于该阈值,则发出告警信号。本发明能够准确实时获取轨道列车运行位置,从而监测列车间的行驶车距,并对前后列车之间处于危险距离时进行告警。(The invention discloses a train running distance monitoring system and a method, wherein the system comprises a positioning module and a distance monitoring module which are arranged on a train, and a positioning base station arranged along a train track; the first train is positioned in front of the second train, and the first train and the second train run adjacently; the first positioning base station is used for communicating with a positioning module on a first train, acquiring the position information of the first train and sending the position information to the second positioning base station; the second positioning base station is used for communicating with a positioning module on a second train, acquiring the position information of the second train, acquiring the distance information of the two trains based on the position information of the two trains, and sending the distance information to a distance monitoring module on the second train; and the distance monitoring module on the second train is used for comparing the distance information with a preset safe distance threshold value, and if the distance information is lower than the preset safe distance threshold value, an alarm signal is sent out. The invention can accurately acquire the running position of the rail train in real time, thereby monitoring the running train distance between train workshops and giving an alarm when the front train and the rear train are in a dangerous distance.)
1. A train running distance monitoring system is characterized by comprising a positioning module, a distance monitoring module and a positioning base station, wherein the positioning module and the distance monitoring module are installed on a train, the positioning base station is arranged along a train track, and UWB communication is adopted among the positioning base station, the positioning module and the distance monitoring module;
the first train and the second train run adjacently, the first train is positioned in front of the second train, the positioning base station comprises a first positioning base station and a second positioning base station,
the first positioning base station is used for communicating with a positioning module on the first train, acquiring the position information of the first train and sending the position information of the first train to the second positioning base station;
the second positioning base station is used for communicating with a positioning module on the second train, acquiring the position information of the second train, acquiring the distance information between the first train and the second train based on the position information of the first train and the position information of the second train, and sending the distance information to a distance monitoring module on the second train;
and the distance monitoring module on the second train is used for comparing the distance information with a preset safe distance threshold value, and if the distance information is lower than the safe distance threshold value, an alarm signal is sent out.
2. The train running distance monitoring system according to claim 1,
the first positioning base station is the positioning base station which is closest to the positioning module on the first train at present, and the second positioning base station is the positioning base station which is closest to the positioning module on the second train at present.
3. The train-running-distance monitoring system according to claim 1 or 2,
the system also comprises a train adjacent judgment module which is used for communicating with the positioning base station, acquiring the position information of each train in real time and judging the adjacent condition of the trains based on the position information of each train.
4. The train running distance monitoring system according to claim 3,
and UWB communication is adopted between the positioning base station and the adjacent judgment module.
5. The train running distance monitoring system according to claim 4,
the positioning base station, the adjacent judging module and the positioning module occupy UWB positioning bandwidth, and the positioning base station and the distance monitoring module occupy extra bandwidth except the UWB positioning bandwidth.
6. The train running distance monitoring system according to claim 1,
the first positioning base station and the second positioning base station adopt wired network communication between the first positioning base station and the second positioning base station.
7. The train running distance monitoring system according to claim 1,
the positioning module is arranged at the head and/or tail of the train.
8. The train running distance monitoring system according to claim 1,
and the communication range of the positioning base station covers the whole train track.
9. A method for monitoring the running distance of a train is characterized in that a first train and a second train run adjacently, the first train is located in front of the second train, and the method comprises the following steps:
the first positioning base station is communicated with a positioning module on a first train to acquire the position information of the first train and send the position information of the first train to the second positioning base station;
the second positioning base station is communicated with a positioning module on the second train to acquire the position information of the second train;
the second positioning base station acquires distance information between the first train and the second train based on the position information of the first train and the position information of the second train, and then sends the distance information to a distance monitoring module on the second train;
and the distance monitoring module on the second train compares the distance information with a preset safe distance threshold value, and if the distance information is lower than the safe distance threshold value, an alarm signal is sent out.
10. The train running distance monitoring method according to claim 9,
the method further comprises the steps of acquiring the position information of each train in real time, and judging the adjacent condition of the trains based on the position information of each train.
Technical Field
The application relates to the technical field of train positioning and ranging, in particular to a train running distance monitoring system and method.
Background
In the running process of the rail train, the train needs to be positioned in real time, and the distance between the front train and the rear train is monitored, so that the front train and the rear train can keep a safe train distance. In the prior art, a wheel axle meter and a trackside Radio Frequency Identification (RFID) transponder or a computer interlock system (CBI) are used to monitor the position of a vehicle.
The train axle counting technology is widely applied to position measurement of a rail train and used for calculating the service condition of a rail, the train axle counting technology is easily interfered, the RFID radio frequency technology can effectively avoid interference of an external environment, and the precision of the train axle counting technology is greatly improved. The train axle counting technology and the RFID can not only increase the accuracy of the axle meter, but also help the dispatching desk to stably identify the running state and identity of each train, and has very important significance and effect on safety, but the train axle counting is easy to miss reading, the running position of the train can not be accurately provided, and the train distance can not be accurately detected. The computer interlocking system is responsible for establishing a track running core control device for a running route, can realize interlocking control among turnouts, signal machines and track circuits in a station, is indispensable guarantee equipment for safe and efficient running of railways, and cannot accurately provide real-time running positions of trains and accurately monitor train intervals.
Therefore, how to accurately acquire the running position of the rail train in real time is realized, so that the real-time monitoring of the running distance between the trains becomes a technical problem to be solved urgently.
Disclosure of Invention
In order to solve the above technical problems, embodiments of the present application provide a train running distance monitoring system and method, which can accurately and reliably acquire a running position of a rail train, thereby monitoring a running distance between trains, and alarming when a dangerous distance exists between a front train and a rear train.
According to one aspect of the application, a train running distance monitoring system is provided, and comprises a positioning module and a distance monitoring module which are installed on a train, and a positioning base station which is arranged along a train track, wherein UWB communication is adopted between the positioning base station and the positioning module as well as between the positioning base station and the distance monitoring module;
the first train and the second train run adjacently, the first train is positioned in front of the second train, the positioning base station comprises a first positioning base station and a second positioning base station,
the first positioning base station is used for communicating with a positioning module on the first train, acquiring the position information of the first train and sending the position information of the first train to the second positioning base station;
the second positioning base station is used for communicating with a positioning module on the second train, acquiring the position information of the second train, acquiring the distance information between the first train and the second train based on the position information of the first train and the position information of the second train, and sending the distance information to a distance monitoring module on the second train;
and the distance monitoring module on the second train is used for comparing the distance information with a preset safe distance threshold value, and if the distance information is lower than the safe distance threshold value, an alarm signal is sent out.
Further, the first positioning base station is a positioning base station which is closest to the positioning module on the first train at present, and the second positioning base station is a positioning base station which is closest to the positioning module on the second train at present.
Further, the system also comprises a train adjacent judgment module which is used for communicating with the positioning base station, acquiring the position information of each train in real time and judging the adjacent condition of the trains based on the position information of each train.
Further, UWB communication is adopted between the positioning base station and the adjacent judgment module.
Furthermore, UWB positioning bandwidth is occupied between the positioning base station and the adjacent judging module and positioning module, and extra bandwidth except the UWB positioning bandwidth is occupied between the positioning base station and the distance monitoring module.
Further, the first positioning base station and the second positioning base station use wired network communication between the first positioning base station and the second positioning base station.
Further, the positioning module is arranged at the head and/or tail of the train.
Further, the communication range of the positioning base station covers the whole train track.
According to another aspect of the present application, there is provided a method for monitoring a distance between trains, a first train and a second train running adjacently, the first train being located before the second train, the method comprising:
the first positioning base station is communicated with a positioning module on a first train to acquire the position information of the first train and send the position information of the first train to the second positioning base station;
the second positioning base station is communicated with a positioning module on the second train to acquire the position information of the second train;
the second positioning base station acquires distance information between the first train and the second train based on the position information of the first train and the position information of the second train, and then sends the distance information to a distance monitoring module on the second train;
and the distance monitoring module on the second train compares the distance information with a preset safe distance threshold value, and if the distance information is lower than the safe distance threshold value, an alarm signal is sent out.
Further, the method also comprises the steps of acquiring the position information of each train in real time, and judging the adjacent condition of the trains based on the position information of each train.
Compared with the prior art, the train running distance monitoring system and method provided by the application can monitor the running distance between the trains by accurately acquiring the running positions of the rail trains in real time, monitor the running states (running, stopping and the like) of the front and rear trains in real time, and give an alarm when the front and rear trains are in dangerous distance, thereby ensuring the safe running of the trains. The invention directly utilizes extra bandwidth except the UWB positioning bandwidth to realize real-time calculation of the train distance between the front train and the rear train, keeps safe train distance, gives an alarm after exceeding a safe threshold value, does not need extra additional equipment and saves construction cost. In addition, the invention can directly utilize the positioning base station beside the track to carry out relaying and networking, the communication range can be flexibly set, and the front and back trains only need to carry out distance measurement with the nearest substation in real time, the reaction speed is high, and the real-time performance is high.
Drawings
The above and other objects, features and advantages of the present application will become more apparent by describing in more detail embodiments of the present application with reference to the attached drawings. The accompanying drawings are included to provide a further understanding of the embodiments of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the principles of the application. In the drawings, like reference numbers generally represent like parts or steps.
FIG. 1 is a schematic diagram of a train distance monitoring system according to an embodiment of the present disclosure;
fig. 2 is a flowchart of a train running distance monitoring method provided in the embodiment of the present application.
[ notation ] to show
1: the positioning module 2: distance monitoring module
3: positioning the base station 10: first train
20: the second train 31: first positioning base station
32: second positioning base station
Detailed Description
Hereinafter, example embodiments according to the present application will be described in detail with reference to the accompanying drawings. It should be understood that the described embodiments are only some embodiments of the present application and not all embodiments of the present application, and that the present application is not limited by the example embodiments described herein.
The embodiment of the invention provides a train running distance monitoring system, which comprises a
The preset safe distance threshold is set according to train running parameters of the distance, and may be set to 350 m, for example. The train provided by the embodiment of the invention comprises subway trains, trains and other rail trains.
As an example, the
As an example, the first
As an example, an Ultra Wide Band (UWB) communication is adopted between the
As an example, the first
The embodiment of the invention also provides a train running distance monitoring method which can be realized based on the train running distance monitoring system, the system comprises a
As shown in fig. 2, the method according to the embodiment of the present invention includes the following steps:
step S1, the first
as an example, the first
Step S2, the second
as an example, the first
Step S3, the second
step S4, the
As an example, the method further includes step S0 of acquiring position information of each train in real time, grasping a real-time operation state of the train, and determining an adjacent condition of the train based on the position information of each train. It is understood that the state in which the
As an example, in the above steps, in the process of determining the adjacent condition of the train in step S0, the
The foregoing describes the general principles of the present application in conjunction with specific embodiments, however, it is noted that the advantages, effects, etc. mentioned in the present application are merely examples and are not limiting, and they should not be considered essential to the various embodiments of the present application. Furthermore, the foregoing disclosure of specific details is for the purpose of illustration and description and is not intended to be limiting, since the foregoing disclosure is not intended to be exhaustive or to limit the disclosure to the precise details disclosed.
The block diagrams of devices, apparatuses, systems referred to in this application are only given as illustrative examples and are not intended to require or imply that the connections, arrangements, configurations, etc. must be made in the manner shown in the block diagrams. These devices, apparatuses, devices, systems may be connected, arranged, configured in any manner, as will be appreciated by those skilled in the art. Words such as "including," "comprising," "having," and the like are open-ended words that mean "including, but not limited to," and are used interchangeably therewith. The words "or" and "as used herein mean, and are used interchangeably with, the word" and/or, "unless the context clearly dictates otherwise. The word "such as" is used herein to mean, and is used interchangeably with, the phrase "such as but not limited to".
It should also be noted that in the devices, apparatuses, and methods of the present application, the components or steps may be decomposed and/or recombined. These decompositions and/or recombinations are to be considered as equivalents of the present application.
The previous description of the disclosed aspects is provided to enable any person skilled in the art to make or use the present application. Various modifications to these aspects will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other aspects without departing from the scope of the application. Thus, the present application is not intended to be limited to the aspects shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
The foregoing description has been presented for purposes of illustration and description. Furthermore, the description is not intended to limit embodiments of the application to the form disclosed herein. While a number of example aspects and embodiments have been discussed above, those of skill in the art will recognize certain variations, modifications, alterations, additions and sub-combinations thereof.
- 上一篇：一种医用注射器针头装配设备
- 下一篇：一种能够适应国外要求的综合列控系统