CN114013477B - Station broadcasting control method, system and related device of intelligent rail train - Google Patents
Station broadcasting control method, system and related device of intelligent rail train Download PDFInfo
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- CN114013477B CN114013477B CN202111300218.5A CN202111300218A CN114013477B CN 114013477 B CN114013477 B CN 114013477B CN 202111300218 A CN202111300218 A CN 202111300218A CN 114013477 B CN114013477 B CN 114013477B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The application provides a platform broadcasting method of an intelligent rail train, which comprises the following steps: determining a current station broadcast control mode; if the vehicle is in the platform equipment control mode, determining the arrival information of the vehicle through the platform positioning equipment, and sending first broadcast voice information corresponding to the arrival information to the PA terminal equipment according to the arrival information; if the vehicle-mounted signal system is in the central control mode, acquiring the arrival-leaving state of the vehicle, transmitting the arrival-leaving state to the dispatching management system, and calling a platform equipment controller by the dispatching management system to control the PA terminal equipment to transmit second broadcast voice information corresponding to the arrival-leaving state. The intelligent rail system can realize flexible switching of two modes, improves high available redundancy of intelligent rail train and station broadcasting combined control, simplifies the combined control structure of intelligent rail train and station broadcasting, and improves intelligent level of intelligent rail. The application also provides a platform broadcasting system of the intelligent rail train, a computer readable storage medium and electronic equipment, which have the beneficial effects.
Description
Technical Field
The present disclosure relates to the field of locomotives, and in particular, to a method and system for controlling station broadcasting of an intelligent rail train, and a related device.
Background
With the increasing prominence of urban traffic congestion problems, various public transportation solutions have been proposed, including subways, BRTs, light rails, intelligent rails, and the like. The intelligent track rapid transport system using the intelligent track train as a core transport means has the advantages of short construction period, small investment of infrastructure, high urban adaptability, strong comprehensive transport capacity and the like, and has a good application prospect.
But current intelligent rail train only relates to the broadcasting of on-vehicle broadcasting for platform user is difficult to effectively learn intelligent rail train's operation information, and because intelligent rail train's operational environment restriction and basis set up restriction, it is difficult to realize the real-time broadcasting of operation like subway etc. causes the inconvenience for the passenger.
Disclosure of Invention
The purpose of the application is to provide a platform broadcasting control method, a system and a related device of an intelligent rail train, which realize the joint control of the intelligent rail train and the platform broadcasting with high availability and flexible configuration.
In order to solve the technical problems, the application provides a platform broadcasting method of an intelligent rail train, which comprises the following specific technical scheme:
determining a current station broadcast control mode;
if the vehicle is in the platform equipment control mode, determining the arrival-leaving information of the vehicle through the platform positioning equipment, and sending first broadcast voice information corresponding to the arrival-leaving signal to the PA terminal equipment according to the arrival-leaving information;
if the vehicle is in the central control mode, acquiring the outbound state of the vehicle by using a vehicle-mounted signal system, transmitting the outbound state to a dispatching management system, and calling a platform equipment controller by the dispatching management system to control the PA terminal equipment to transmit second broadcast voice information corresponding to the outbound state; the PA terminal equipment is used for broadcasting the first broadcast voice information or the second broadcast voice information.
Optionally, determining the current station broadcast control mode includes:
acquiring a real-time distance between a train and a platform;
and determining a current station broadcasting control mode according to the real-time distance.
Optionally, the method further comprises:
when the real-time distance is smaller than the preset distance, generating a corresponding pre-arrival signal;
and calling a station equipment controller to send the pre-arrival signal to the PA terminal equipment so that the PA terminal equipment can report pre-arrival voice information corresponding to the pre-arrival signal.
Optionally, generating the corresponding pre-arrival signal includes:
generating a corresponding pre-arrival signal according to a first preset frequency;
correspondingly, the calling station device controller sending the pre-arrival signal to the PA terminal device includes:
and calling a station equipment controller to send the pre-arrival signal to the PA terminal equipment at a second preset frequency, wherein the second preset frequency is smaller than the first preset frequency.
Optionally, the method further comprises:
if the PA terminal equipment in the signal response state receives the pre-arrival signal, broadcasting the pre-arrival broadcast;
if the PA terminal equipment receives the arrival signal, broadcasting an arrival broadcast and locking the PA terminal equipment;
and if the PA terminal equipment receives the off-station signal, unlocking and maintaining the signal response state.
Optionally, the method further comprises:
periodically detecting whether the locking state of the PA terminal equipment is legal or not;
if not, the station equipment controller is used for sending an off-station signal to the PA terminal equipment.
Optionally, the method further comprises:
judging whether the station equipment controller is abnormal or not;
if yes, determining the current station broadcasting control mode as a central control mode.
The application also provides a platform broadcast control system of intelligent rail train, including:
the platform positioning equipment is used for detecting the arrival information of the vehicle and sending the arrival information to the vehicle-mounted signal system;
the vehicle signal system is used for sending the outbound information to a dispatching management system;
the call management system is used for determining a current control mode;
and the station equipment controller is used for receiving the outbound information sent by the station positioning equipment or receiving the outbound state sent by the scheduling management system under the corresponding control mode, and controlling the PA terminal equipment to send the broadcast information according to the outbound information or the outbound state.
The present application also provides a computer readable storage medium having stored thereon a computer program which, when executed by a processor, implements the steps of the method as described above.
The application also provides an electronic device comprising a memory in which a computer program is stored and a processor which when calling the computer program in the memory implements the steps of the method as described above.
The application provides a platform broadcasting method of an intelligent rail train, which comprises the following steps: determining a current station broadcast control mode; if the vehicle is in the platform equipment control mode, determining the arrival-leaving information of the vehicle through the platform positioning equipment, and sending first broadcast voice information corresponding to the arrival-leaving signal to the PA terminal equipment according to the arrival-leaving information; if the vehicle is in the central control mode, acquiring the outbound state of the vehicle by using a vehicle-mounted signal system, transmitting the outbound state to a dispatching management system, and calling a platform equipment controller by the dispatching management system to control the PA terminal equipment to transmit second broadcast voice information corresponding to the outbound state; the PA terminal equipment is used for broadcasting the first broadcast voice information or the second broadcast voice information.
The utility model provides a through providing the control mode of two kinds of platform broadcasting, platform equipment control mode and central control mode promptly, can realize the nimble switching of two kinds of modes, improve intelligent rail train and the high available redundancy of platform broadcasting allies oneself with accuse, simplify intelligent rail train and the allies oneself with accuse structure of platform broadcasting, with low costs, easy implementation improves intelligent rail intelligent level.
The application also provides a platform broadcasting system of an intelligent rail train, a computer readable storage medium and electronic equipment, which have the beneficial effects and are not repeated here.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present application, and that other drawings may be obtained according to the provided drawings without inventive effort to a person skilled in the art.
Fig. 1 is a flowchart of a station broadcasting method of an intelligent rail train according to an embodiment of the present application;
fig. 2 is a schematic diagram of a platform broadcasting system of an intelligent rail train according to an embodiment of the present application.
Detailed Description
For the purposes of making the objects, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.
Referring to fig. 1, fig. 1 is a flowchart of a station broadcasting method of an intelligent rail train according to an embodiment of the present application, where the scheme includes:
s101: determining a current station broadcast control mode;
the execution body of the embodiment may be a dispatch control system of a train, or other control systems, central control devices, or the like. It is to be understood that the station broadcast control mode may be set directly by the scheduling control system or the like, but the station broadcast control mode may be set by a preset program according to a real-time operation environment. The control mode of how to set the station broadcast is not limited herein, and may be implemented by those skilled in the art through relevant settings, or may be selected by the user by himself. The following describes a station broadcast procedure provided by the implementation of the present application, taking a scheduling control system as an example.
First, it is necessary to determine the control mode of the current station broadcast, in this embodiment, the station broadcast control mode includes a station device control mode and a central control mode, which are described as examples, and in other embodiments of the present application, other station broadcast control modes may also be included, which are not limited herein by way of example.
Here, how to determine the current station broadcast control mode is not particularly limited, a real-time distance between the train and the station may be obtained first, and then the current station broadcast control mode may be determined according to the real-time distance. The distance between the intelligent rail train and the platform is detected in real time, the distance between the intelligent rail train and the platform is not limited, and the distance detection of the intelligent rail train can be realized by paving corresponding sensors in the middle of the track rail or arranging sensors for detecting the wheels of the intelligent rail train on the track.
S102: if the vehicle is in the platform equipment control mode, determining the arrival-leaving information of the vehicle through the platform positioning equipment, and sending first broadcast voice information corresponding to the arrival-leaving signal to the PA terminal equipment according to the arrival-leaving information;
if the current station broadcast control mode is the station equipment control mode, the station positioning equipment needs to memorize the arrival information of the vehicle, and generates corresponding first broadcast voice information according to the corresponding arrival information. The type of station positioning device used is not limited herein, and should be a device that is provided at a station and is capable of effectively detecting the in-and-out states of a vehicle.
The outbound information of the vehicle at least comprises outbound information and outbound information, and can also comprise pre-outbound information, upcoming outbound information and the like, namely, information related to the running state of the vehicle can be taken as the outbound information in the application. When the platform positioning device detects that the vehicle enters, corresponding arrival or departure information is generated, and then the dispatch control system acquires the arrival or departure information and sends the arrival or departure information to the PA device.
The PA equipment is used for broadcasting broadcast voice corresponding to the outbound information.
After determining the outbound information of the vehicle, the PA device plays the broadcast voice corresponding to the outbound information. Of course, the present embodiment defaults to configuring broadcast voice corresponding to the outbound information in the PA device in advance. And the outbound information is divided into outbound information and inbound information, and the outbound information and the inbound information should be provided with respective broadcast voice information. Of course, the number of broadcast voices of each information is at least one, and can also be a plurality of. In addition, the broadcast voice may include information about the vehicle, such as the number of vehicles information, etc., that is, the arrival information may include information about the vehicle for broadcasting the broadcast voice. Of course, the PA device may also be used for other types of broadcast voice broadcasts, not specifically limited herein.
S103: if the vehicle is in the central control mode, acquiring the outbound state of the vehicle by using a vehicle-mounted signal system, sending the outbound state to a dispatching management system, and calling a platform equipment controller by the dispatching management system to control the PA terminal equipment to send second broadcast voice information corresponding to the outbound state.
And when the mobile terminal is in the central control mode, the PA terminal equipment is used for broadcasting the first broadcast voice information or the second broadcast voice information. In this case, the station device controller cannot directly acquire the off-station state of the vehicle, and the off-station state of the vehicle needs to be acquired by means of the vehicle-mounted signal system. Of course, this embodiment by default requires establishing a connection between the dispatch management system and the on-board signaling system, whereas in actual vehicle management applications, any vehicle needs to remain connected to the vehicle dispatch center. Thus, after the on-board signal system acquires the off-station state of the vehicle, it can be transmitted to the schedule management system. In general, the on-board signal system can determine the off-station state of the vehicle by means of vehicle positioning and the like, and transmit the off-station state to the dispatch management system through signals. It should be noted that the transmission process is not necessarily a direct transmission process, i.e., the on-board signal system may perform signal relay through an intermediate device or system.
In addition, if the real-time distance between the vehicle and the platform is obtained through the vehicle-mounted signal system, when the real-time distance is smaller than the preset distance, a corresponding pre-arrival signal is generated, and at the moment, the dispatching management system calls the platform equipment controller to send the pre-arrival signal to the PA terminal equipment so that the PA terminal equipment broadcasts pre-arrival voice information corresponding to the pre-arrival signal. Specifically, the corresponding pre-arrival signal may be generated at a first preset frequency, and the corresponding step may be to call the station device controller to send the pre-arrival signal to the PA terminal device at a second preset frequency, where the second preset frequency is smaller than the first preset frequency. The second preset frequency needs to be smaller than the first preset frequency, so that the generation frequency of the pre-arrival signal can be ensured to be higher than the frequency for driving the PA terminal to transmit, so that the pre-arrival signal transmitted to the PA terminal device is prevented from being covered by other signals.
Thereafter, the scheduling management system invokes the station device controller to control the PA terminal device to transmit the second broadcast voice information. It can be seen that the station device controller can be controlled by the scheduling management system to drive the PA terminal device, whereas in the station device control mode it can drive the PA terminal device itself. I.e. the station device control mode differs from the central control mode in whether the station device controller is in a controlled state and whether the signal driving the PA termination device is active or passive. Obviously, when in the platform equipment control mode, the dispatching pressure of the dispatching management system can be relieved without being processed by the dispatching management system, and once the platform equipment controller cannot acquire the arrival information of the vehicle, the platform equipment controller can be switched to the central control mode, so that the position information of the vehicle can be ensured to be acquired in time, and the broadcasting voice information can be transmitted in time.
According to the embodiment of the application, the control modes of two station broadcasts, namely the station equipment control mode and the central control mode, can be flexibly switched, the high available redundancy of intelligent rail train and station broadcast combined control is improved, the combined control structure of intelligent rail train and station broadcast is simplified, the cost is low, implementation is easy, and the intelligent level of intelligent rail is improved.
For the PA terminal device in the above embodiment, the working procedure is as follows:
if the PA terminal equipment in the signal response state receives the pre-arrival signal, broadcasting the pre-arrival broadcast;
if the PA terminal equipment receives the arrival signal, broadcasting the arrival signal and locking the PA terminal equipment;
and if the PA terminal equipment receives the off-station signal, unlocking and maintaining the signal response state.
On the basis, whether the locking state of the PA terminal equipment is legal or not can be periodically detected. If not, the station equipment controller is used for sending an off-station signal to the PA terminal equipment, so that the locking state of the PA terminal equipment is released.
In addition, the station equipment controller may have an abnormality, and it may also be periodically determined whether the station equipment controller has an abnormality; if there is an abnormality, the current station broadcast control mode is set to the central control mode.
The following describes a platform broadcasting control system of an intelligent rail train according to an embodiment of the present application, and the platform broadcasting control system described below and the platform broadcasting control method of the intelligent rail train described above may be referred to correspondingly.
Referring to fig. 2, the present application further provides a station broadcast control system of an intelligent rail train, including:
the platform positioning equipment is used for detecting the arrival information of the vehicle and sending the arrival information to the vehicle-mounted signal system;
the vehicle signal system is used for sending the outbound information to a dispatching management system;
the call management system is used for determining a current control mode;
and the station equipment controller is used for receiving the outbound information sent by the station positioning equipment or receiving the outbound state sent by the scheduling management system under the corresponding control mode, and controlling the PA terminal equipment to send the broadcast information according to the outbound information or the outbound state.
Based on the above embodiments, as a preferred embodiment, the call management system includes:
the mode determining module is used for acquiring the real-time distance between the train and the platform; and determining a current station broadcasting control mode according to the real-time distance.
Based on the foregoing embodiment, as a preferred embodiment, the call management system further includes:
the pre-arrival processing module is used for generating corresponding pre-arrival signals when the real-time distance is smaller than a preset distance; and calling a station equipment controller to send the pre-arrival signal to the PA terminal equipment so that the PA terminal equipment can report pre-arrival voice information corresponding to the pre-arrival signal.
Based on the foregoing embodiments, as a preferred embodiment, the pre-arrival processing module is a module for generating a corresponding pre-arrival signal according to a first preset frequency, and invoking a station device controller to send the pre-arrival signal to the PA terminal device at a second preset frequency, where the second preset frequency is smaller than the first preset frequency.
Based on the above embodiment, as a preferred embodiment, further comprising:
the PA terminal is used for receiving the pre-arrival signal when in a signal response state and playing pre-arrival broadcasting; when receiving the arrival signal, broadcasting an arrival broadcast and locking the arrival broadcast; and unlocking and maintaining the signal response state when the off-station signal is received.
Based on the above embodiments, as a preferred embodiment, the PA terminal further includes:
the locking detection module is used for periodically detecting whether the locking state of the PA terminal equipment is legal or not; if not, the station equipment controller is used for sending an off-station signal to the PA terminal equipment.
Based on the foregoing embodiment, as a preferred embodiment, the call management system further includes:
the platform equipment detection module is used for judging whether the platform equipment controller is abnormal or not; if yes, determining the current station broadcasting control mode as a central control mode.
The present application also provides a computer-readable storage medium having stored thereon a computer program which, when executed, implements the steps provided by the above embodiments. The storage medium may include: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a random access Memory (Random Access Memory, RAM), a magnetic disk, or an optical disk, or other various media capable of storing program codes.
The application also provides an electronic device, which may include a memory and a processor, where the memory stores a computer program, and the processor may implement the steps provided in the foregoing embodiments when calling the computer program in the memory. Of course the electronic device may also include various network interfaces, power supplies, etc.
In the description, each embodiment is described in a progressive manner, and each embodiment is mainly described by the differences from other embodiments, so that the same similar parts among the embodiments are mutually referred. The system provided by the embodiment is relatively simple to describe as it corresponds to the method provided by the embodiment, and the relevant points are referred to in the description of the method section.
Specific examples are set forth herein to illustrate the principles and embodiments of the present application, and the description of the examples above is only intended to assist in understanding the methods of the present application and their core ideas. It should be noted that it would be obvious to those skilled in the art that various improvements and modifications can be made to the present application without departing from the principles of the present application, and such improvements and modifications fall within the scope of the claims of the present application.
It should also be noted that in this specification, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
Claims (8)
1. A station broadcasting method of an intelligent rail train, comprising:
determining a current station broadcast control mode;
if the vehicle is in the platform equipment control mode, determining the arrival-leaving information of the vehicle through the platform positioning equipment, and sending first broadcast voice information corresponding to the arrival-leaving signal to the PA terminal equipment according to the arrival-leaving information;
if the vehicle is in the central control mode, acquiring the outbound state of the vehicle by using a vehicle-mounted signal system, transmitting the outbound state to a dispatching management system, and calling a platform equipment controller by the dispatching management system to control the PA terminal equipment to transmit second broadcast voice information corresponding to the outbound state; the PA terminal equipment is used for broadcasting the first broadcast voice information or the second broadcast voice information;
judging whether the station equipment controller is abnormal or not;
if yes, determining the current station broadcasting control mode as a central control mode;
wherein determining the current station broadcast control mode comprises:
acquiring a real-time distance between a train and a platform;
and determining a current station broadcasting control mode according to the real-time distance.
2. The station broadcasting method of an intelligent rail train according to claim 1, further comprising:
when the real-time distance is smaller than the preset distance, generating a corresponding pre-arrival signal;
and calling a station equipment controller to send the pre-arrival signal to the PA terminal equipment so that the PA terminal equipment can report pre-arrival voice information corresponding to the pre-arrival signal.
3. The station broadcast method of an intelligent rail train of claim 2, wherein generating the corresponding pre-arrival signal comprises:
generating a corresponding pre-arrival signal according to a first preset frequency;
correspondingly, the calling station device controller sending the pre-arrival signal to the PA terminal device includes:
and calling a station equipment controller to send the pre-arrival signal to the PA terminal equipment at a second preset frequency, wherein the second preset frequency is smaller than the first preset frequency.
4. The station broadcasting method of an intelligent rail train according to claim 2, further comprising:
if the PA terminal equipment in the signal response state receives the pre-arrival signal, broadcasting the pre-arrival broadcast;
if the PA terminal equipment receives the arrival signal, broadcasting an arrival broadcast and locking the PA terminal equipment;
and if the PA terminal equipment receives the off-station signal, unlocking and maintaining the signal response state.
5. The station broadcasting method of an intelligent rail train according to claim 4, further comprising:
periodically detecting whether the locking state of the PA terminal equipment is legal or not;
if not, the station equipment controller is used for sending an off-station signal to the PA terminal equipment.
6. A station broadcast control system for an intelligent rail train, comprising:
the platform positioning equipment is used for detecting the arrival information of the vehicle and sending the arrival information to the vehicle-mounted signal system;
the vehicle signal system is used for sending the outbound information to a dispatching management system;
a call management system for determining a current control mode;
the station equipment controller is used for receiving the station-leaving information sent by the station positioning equipment or receiving the station-leaving state sent by the scheduling management system under the corresponding control mode, and controlling the PA terminal equipment to send broadcast information according to the station-leaving information or the station-leaving state;
the call management system comprises a mode determining module, a real-time distance determining module and a real-time distance determining module, wherein the mode determining module is used for obtaining the real-time distance between a train and a platform; and determining a current station broadcasting control mode according to the real-time distance.
7. A computer readable storage medium having stored thereon a computer program, wherein the computer program when executed by a processor implements the steps of the station broadcast control method of an intelligent rail train as claimed in any one of claims 1 to 5.
8. An electronic device comprising a memory and a processor, wherein the memory has a computer program stored therein, and wherein the processor, when calling the computer program in the memory, implements the steps of the station broadcast control method of the intelligent rail train as claimed in any one of claims 1-5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111300218.5A CN114013477B (en) | 2021-11-04 | 2021-11-04 | Station broadcasting control method, system and related device of intelligent rail train |
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| CN202111300218.5A CN114013477B (en) | 2021-11-04 | 2021-11-04 | Station broadcasting control method, system and related device of intelligent rail train |
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| CN114013477B true CN114013477B (en) | 2024-04-05 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04372462A (en) * | 1991-06-20 | 1992-12-25 | Toshiba Corp | Guiding system for passenger |
| CN102114861A (en) * | 2011-02-22 | 2011-07-06 | 魏敏吉 | Intelligentized rail transit system with information transmitted by local wireless network |
| CN103684854A (en) * | 2013-11-28 | 2014-03-26 | 易程（苏州）智能系统有限公司 | Full-function digital-analog hybrid intelligent broadcast system for trains |
| CN204615844U (en) * | 2015-04-02 | 2015-09-02 | 西安市地下铁道有限责任公司 | A kind of subway train on-air testing device |
| CN205890905U (en) * | 2016-06-27 | 2017-01-18 | 合盈光电（深圳）有限公司 | Install sensor device on track |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050289611A1 (en) * | 2004-06-25 | 2005-12-29 | Nkb Inc. | Subway-car broadcasting system |
-
2021
- 2021-11-04 CN CN202111300218.5A patent/CN114013477B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04372462A (en) * | 1991-06-20 | 1992-12-25 | Toshiba Corp | Guiding system for passenger |
| CN102114861A (en) * | 2011-02-22 | 2011-07-06 | 魏敏吉 | Intelligentized rail transit system with information transmitted by local wireless network |
| CN103684854A (en) * | 2013-11-28 | 2014-03-26 | 易程（苏州）智能系统有限公司 | Full-function digital-analog hybrid intelligent broadcast system for trains |
| CN204615844U (en) * | 2015-04-02 | 2015-09-02 | 西安市地下铁道有限责任公司 | A kind of subway train on-air testing device |
| CN205890905U (en) * | 2016-06-27 | 2017-01-18 | 合盈光电（深圳）有限公司 | Install sensor device on track |
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