CN114013477A - Platform broadcast control method, system and related device of intelligent rail train - Google Patents
Platform broadcast control method, system and related device of intelligent rail train Download PDFInfo
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- CN114013477A CN114013477A CN202111300218.5A CN202111300218A CN114013477A CN 114013477 A CN114013477 A CN 114013477A CN 202111300218 A CN202111300218 A CN 202111300218A CN 114013477 A CN114013477 A CN 114013477A
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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
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 control mode of the station equipment, determining the information of the vehicle leaving the station through the station positioning equipment, and sending first broadcast voice information corresponding to the signal of leaving the station to the PA terminal equipment according to the information of leaving the station; if the vehicle is in the central control mode, the vehicle-mounted signal system is used for acquiring the off-station state of the vehicle, the off-station state is sent to the dispatching management system, and the dispatching management system calls the platform equipment controller to control the PA terminal equipment to send second broadcast voice information corresponding to the off-station state. This application can realize the nimble switching of two kinds of modes, improves the high available redundancy of intelligence rail train and platform broadcast joint accuse, simplifies the joint accuse structure of intelligence rail train and platform broadcast, improves the intelligent level of rail. The application also provides a platform broadcasting system of the intelligent rail train, a computer readable storage medium and an electronic device, which have the beneficial effects.
Description
Technical Field
The present application relates to the field of locomotives, and in particular, to a method, a system, and a related device for controlling platform broadcasting of an intelligent rail train.
Background
With the increasingly prominent problem of urban traffic congestion, various public transportation solutions are proposed, including subways, BRTs, light rails, smart rails, and the like. The intelligent rail express transportation system using the intelligent rail train as the core carrier has the advantages of being short in construction period, small in infrastructure investment, high in urban adaptability, strong in comprehensive transportation capacity and the like, and has a good application prospect.
But current intelligent rail train only relates to the broadcast of on-vehicle broadcasting for the operation information of intelligent rail train is difficult to effectively learn to the platform user, and because the operational environment restriction of intelligent rail train sets up the restriction with the basis, it is difficult to realize the real-time broadcast of operation like subway etc. and causes the inconvenience for the passenger.
Disclosure of Invention
The application aims to provide a platform broadcast control method, a system and a related device of an intelligent rail train, and the intelligent rail train and the platform broadcast joint control with high availability and flexible configuration is realized.
In order to solve the technical problem, the application provides a platform broadcasting method of an intelligent rail train, which has the following specific technical scheme:
determining a current station broadcast control mode;
if the vehicle is in the control mode of the platform equipment, determining the information of the vehicle leaving the station through the platform positioning equipment, and sending first broadcast voice information corresponding to the signal of leaving the station to the PA terminal equipment according to the information of leaving the station;
if the vehicle is in the central control mode, acquiring the off-station state of the vehicle by using a vehicle-mounted signal system, sending the off-station 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 off-station state; and the PA terminal equipment is used for broadcasting the first broadcast voice information or the second broadcast voice information.
Optionally, the determining the current sta broadcast control mode includes:
acquiring a real-time distance between a train and a platform;
and determining the current platform broadcast control mode according to the real-time distance.
Optionally, the method further includes:
when the real-time distance is smaller than a preset distance, generating a corresponding pre-arrival signal;
and calling a platform equipment controller to send the pre-arrival signal to the PA terminal equipment so that the PA terminal equipment broadcasts the 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 platform equipment controller to send the pre-arrival signal to the PA terminal equipment at a second preset frequency, wherein the second preset frequency is less than the first preset frequency.
Optionally, the method further includes:
if the PA terminal equipment in the signal response state receives the pre-arrival signal, broadcasting a pre-arrival broadcast;
if the PA terminal equipment receives the arrival signal, broadcasting the arrival broadcast and locking the PA terminal equipment;
and if the PA terminal equipment receives the station leaving signal, unlocking and keeping the signal response state.
Optionally, the method further includes:
periodically detecting whether the locking state of the PA terminal equipment is legal or not;
and if the PA terminal equipment is illegal, the platform equipment controller is utilized to send an off-station signal to the PA terminal equipment.
Optionally, the method further includes:
judging whether the platform equipment controller is abnormal or not;
if yes, determining the current station broadcast control mode as the central control mode.
The application also provides a platform broadcast control system of intelligence rail train, includes:
the platform positioning equipment is used for detecting the information of the vehicles leaving the station and sending the information of the vehicles leaving the station to the vehicle-mounted signal system;
the vehicle signal system is used for sending the departure information to a dispatching management system;
the call management system is used for determining a current control mode;
and the platform equipment controller is used for receiving the information of leaving the station sent by the platform positioning equipment or receiving the state of leaving the station sent by the scheduling management system in a corresponding control mode, and controlling the PA terminal equipment to send broadcast information according to the information of leaving the station or the state of leaving the station.
The present application also provides a computer-readable storage medium having stored thereon a computer program which, when being executed by a processor, carries out the steps of the method as set forth above.
The present application further provides an electronic device, comprising a memory and a processor, wherein the memory stores a computer program, and the processor implements the steps of the method described above when calling the computer program in the memory.
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 control mode of the platform equipment, determining the information of the vehicle leaving the station through the platform positioning equipment, and sending first broadcast voice information corresponding to the signal of leaving the station to the PA terminal equipment according to the information of leaving the station; if the vehicle is in the central control mode, acquiring the off-station state of the vehicle by using a vehicle-mounted signal system, sending the off-station 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 off-station state; and the PA terminal equipment is used for broadcasting the first broadcast voice information or the second broadcast voice information.
This application is through providing the control mode of two kinds of platform broadcastings, platform equipment control mode and central control mode promptly, can realize the nimble switching of two kinds of modes, improves the high available redundancy of intelligence rail train and platform broadcast joint control, simplifies the joint control structure of intelligence rail train and platform broadcast, and is with low costs, easy to carry out, improves the intelligent level of rail.
The application also provides a platform broadcasting system, a computer readable storage medium and an electronic device of the intelligent rail train, which have the beneficial effects and are not repeated herein.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, it is obvious that the drawings in the following description are only embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a flowchart of a platform broadcasting method for a smart rail train according to an embodiment of the present disclosure;
fig. 2 is a schematic structural diagram of a platform broadcasting system of an intelligent rail train according to an embodiment of the present disclosure.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in 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 obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Referring to fig. 1, fig. 1 is a flowchart of a platform broadcasting method of an intelligent rail train according to an embodiment of the present application, the method including:
s101: determining a current station broadcast control mode;
the execution subject of the embodiment may be a dispatching control system of a train, or other control systems, a central control device, and the like. It is easy to understand that the sta broadcast control mode can be directly set by the scheduling control system, etc., but the sta broadcast control mode can also be set by a preset program according to the real-time operation environment. The control mode of how to set the sta broadcast is not limited herein, and may be implemented by those skilled in the art through relevant settings, or the user may select the current sta broadcast control mode. The following describes a broadcast procedure of a station provided in the present application by taking a scheduling control system as an example.
First, a control mode of the current sta broadcast needs to be determined, in this embodiment, the sta broadcast control mode includes a sta device control mode and a central control mode as an example to describe the sta broadcast process.
The method for determining the current platform broadcast control mode is not particularly limited, and the real-time distance between the train and the platform may be obtained first, and then the current platform 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 particularly limited, corresponding sensors can be paved in the middle of a rail of the rail, or the sensors aiming at the detection of wheels of the intelligent rail train are arranged on the rail, and the distance detection of the intelligent rail train can be realized.
S102: if the vehicle is in the control mode of the platform equipment, determining the information of the vehicle leaving the station through the platform positioning equipment, and sending first broadcast voice information corresponding to the signal of leaving the station to the PA terminal equipment according to the information of leaving the station;
if the current station broadcast control mode is the station equipment control mode, the station leaving information of the vehicle determined by the station positioning equipment is required to be memorized, and corresponding first broadcast voice information is generated according to the corresponding station leaving information. The station positioning device is not limited to be used herein, and it should be a device that is installed at a station and can effectively detect the inbound and outbound states of a vehicle.
The information of the vehicle leaving the station at least comprises the information of the station and the information of the station leaving, and can also comprise the information of the station which is arrived in advance, the information of the station leaving which is to be about. When detecting that the vehicle enters, the platform positioning device generates corresponding arrival or departure information, and then the scheduling control system acquires the departure information and sends the departure information to the PA device.
The PA equipment is used for broadcasting broadcast voice corresponding to the information leaving the station.
And after the information of the vehicle leaving the station is determined, the PA equipment plays the broadcast voice corresponding to the information of the vehicle leaving the station. Of course, the present embodiment defaults to configure the broadcast voice corresponding to the away-from-station information in the PA device in advance. And the departure information and the arrival information are divided into departure information and arrival information, which should have respective broadcast voice information. Of course, the broadcast voice quantity of each kind of information is at least one, and may be multiple. In addition, the broadcast voice may include information related to the vehicle, such as the number of vehicles and the like, that is, the information related to the vehicle may be included in the information related to the departure station, so as to broadcast the broadcast voice. Of course, the PA device may also be used for broadcasting other types of broadcast voice, and is not particularly limited herein.
S103: if the vehicle is in the central control mode, a vehicle-mounted signal system is used for acquiring the state of the vehicle leaving the station, the state of the vehicle leaving the station is sent to a dispatching management system, and the dispatching management system calls a station equipment controller to control the PA terminal equipment to send second broadcast voice information corresponding to the state of the vehicle leaving the station.
When the terminal equipment is in a central control mode, the PA terminal equipment is used for broadcasting the first broadcast voice information or the second broadcast voice information. At this time, the platform equipment controller cannot directly acquire the leaving-to-station state of the vehicle, and the leaving-to-station state of the vehicle needs to be acquired by means of the vehicle-mounted signal system. Of course, the present embodiment requires establishing connection between the dispatching management system and the vehicle-mounted signal system by default, and in the actual vehicle management application, any vehicle needs to be connected with the vehicle dispatching center. Therefore, after the vehicle-mounted signal system acquires the departure state of the vehicle, the departure state can be transmitted to the dispatching management system. Generally, the vehicle-mounted signal system can determine the departure state of the vehicle through vehicle positioning and the like, and transmits the departure state to the dispatching management system through signals. It should be noted that the transmission process does not have to be a direct transmission process, i.e. the vehicle-mounted signal system can relay signals 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 scheduling 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 then the step may be to invoke 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 it can be ensured that the pre-destination signal generation frequency is higher than the frequency for driving the PA terminal to transmit, so as to avoid the pre-destination signal transmitted to the PA terminal device being covered by other signals.
After that, the scheduling management system calls the station device controller to control the PA terminal device to transmit the second broadcast voice information. It can be seen that the station equipment controller can be controlled by the schedule management system to drive the PA terminal equipment, and in the station equipment control mode, it can drive the PA terminal equipment by itself. The difference between the station equipment control mode and the central control mode is whether the station equipment controller is in a controlled state, and whether the signal driving the PA terminal equipment is actively or passively sent out. Obviously, when the platform equipment is in the platform equipment control mode, the dispatching pressure of the dispatching management system can be reduced without being processed by the dispatching management system, and once the platform equipment controller cannot acquire the information that the vehicle leaves the station, the platform equipment controller can be switched to the central control mode, so that the position information of the vehicle can be acquired in time, and the broadcast voice information can be transmitted in time.
The embodiment of the application can realize the flexible switching of two modes by providing the control modes of two kinds of platform broadcasts, namely the platform equipment control mode and the central control mode, improves the high-availability redundancy of intelligent rail train and platform broadcast joint control, simplifies the joint control structure of the intelligent rail train and the platform broadcasts, and has the advantages of low cost, easy implementation and improvement of intelligent rail intelligentization level.
For the PA terminal device in the previous embodiment, the working process is as follows:
if the PA terminal equipment in the signal response state receives a pre-arrival signal, broadcasting a pre-arrival broadcast;
if the PA terminal equipment receives the arrival signal, broadcasting the arrival broadcast and locking the PA terminal equipment;
and if the PA terminal equipment receives the station leaving signal, unlocking and keeping the signal response state.
On the basis, whether the locking state of the PA terminal equipment is legal or not can be periodically detected. And if the PA terminal equipment is illegal, the platform 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 platform equipment controller is possible to have abnormality, and whether the platform equipment controller has abnormality or not can be periodically judged; if there is an abnormality, the current station broadcast control mode is set as the central control mode.
In the following, a platform broadcast control system of a smart rail train according to an embodiment of the present application is introduced, and the platform broadcast control system described below and the platform broadcast control method of the smart rail train described above may be referred to correspondingly.
Referring to fig. 2, the present application further provides a platform broadcast control system for a smart rail train, including:
the platform positioning equipment is used for detecting the information of the vehicles leaving the station and sending the information of the vehicles leaving the station to the vehicle-mounted signal system;
the vehicle signal system is used for sending the departure information to a dispatching management system;
the call management system is used for determining a current control mode;
and the platform equipment controller is used for receiving the information of leaving the station sent by the platform positioning equipment or receiving the state of leaving the station sent by the scheduling management system in a corresponding control mode, and controlling the PA terminal equipment to send broadcast information according to the information of leaving the station or the state of leaving the station.
Based on the foregoing embodiment, 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 the current platform broadcast 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 a corresponding pre-arrival signal when the real-time distance is smaller than a preset distance; and calling a platform equipment controller to send the pre-arrival signal to the PA terminal equipment so that the PA terminal equipment broadcasts the pre-arrival voice information corresponding to the pre-arrival signal.
Based on the foregoing embodiment, as a preferred embodiment, the pre-destination processing module is a module configured to generate a corresponding pre-destination signal according to a first preset frequency, and invoke the station device controller to send the pre-destination 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, the method further includes:
the PA terminal is used for receiving the pre-arrival signal when in a signal response state and playing a pre-arrival broadcast; when the arrival signal is received, broadcasting the arrival broadcast and locking the arrival broadcast; and when the station leaving signal is received, unlocking and keeping the signal response state.
Based on the above embodiment, as a preferred embodiment, the PA terminal further includes:
a locking detection module, configured to periodically detect whether a locking state of the PA terminal device is legal; and if the PA terminal equipment is illegal, the platform equipment controller is utilized to send 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 broadcast control mode as the central control mode.
The present application also provides a computer readable storage medium having stored thereon a computer program which, when executed, may implement the steps provided by the above-described embodiments. The storage medium may include: various media capable of storing program codes, such as a usb disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk, or an optical disk.
The application further 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 by the foregoing embodiments when calling the computer program in the memory. Of course, the electronic device may also include various network interfaces, power supplies, and the like.
The embodiments are described in a progressive manner in the specification, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. For the system provided by the embodiment, the description is relatively simple because the system corresponds to the method provided by the embodiment, and the relevant points can be referred to the method part for description.
The principles and embodiments of the present application are explained herein using specific examples, which are provided only to help understand the method and the core idea of the present application. It should be noted that, for those skilled in the art, it is possible to make several improvements and modifications to the present application without departing from the principle of the present application, and such improvements and modifications also fall within the scope of the claims of the present application.
It is further noted that, in the present 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. Also, 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 an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Claims (10)
1. A platform broadcasting method of a smart rail train is characterized by comprising the following steps:
determining a current station broadcast control mode;
if the vehicle is in the control mode of the platform equipment, determining the information of the vehicle leaving the station through the platform positioning equipment, and sending first broadcast voice information corresponding to the signal of leaving the station to the PA terminal equipment according to the information of leaving the station;
if the vehicle is in the central control mode, acquiring the off-station state of the vehicle by using a vehicle-mounted signal system, sending the off-station 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 off-station state; and the PA terminal equipment is used for broadcasting the first broadcast voice information or the second broadcast voice information.
2. The method of claim 1, wherein determining the current station broadcast control mode comprises:
acquiring a real-time distance between a train and a platform;
and determining the current platform broadcast control mode according to the real-time distance.
3. The method of broadcasting stations of a smart rail train as claimed in claim 2, further comprising:
when the real-time distance is smaller than a preset distance, generating a corresponding pre-arrival signal;
and calling a platform equipment controller to send the pre-arrival signal to the PA terminal equipment so that the PA terminal equipment broadcasts the pre-arrival voice information corresponding to the pre-arrival signal.
4. The station broadcasting method of a smart rail train according to claim 3, 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 platform equipment controller to send the pre-arrival signal to the PA terminal equipment at a second preset frequency, wherein the second preset frequency is less than the first preset frequency.
5. The method of broadcasting stations of a smart rail train as claimed in claim 3, further comprising:
if the PA terminal equipment in the signal response state receives the pre-arrival signal, broadcasting a pre-arrival broadcast;
if the PA terminal equipment receives the arrival signal, broadcasting the arrival broadcast and locking the PA terminal equipment;
and if the PA terminal equipment receives the station leaving signal, unlocking and keeping the signal response state.
6. The method of broadcasting stations of a smart rail train as claimed in claim 5, further comprising:
periodically detecting whether the locking state of the PA terminal equipment is legal or not;
and if the PA terminal equipment is illegal, the platform equipment controller is utilized to send an off-station signal to the PA terminal equipment.
7. The method of broadcasting stations of a smart rail train according to claim 1, further comprising:
judging whether the platform equipment controller is abnormal or not;
if yes, determining the current station broadcast control mode as the central control mode.
8. A platform broadcast control system of a smart rail train, comprising:
the platform positioning equipment is used for detecting the information of the vehicles leaving the station and sending the information of the vehicles leaving the station to the vehicle-mounted signal system;
the vehicle signal system is used for sending the departure information to a dispatching management system;
the call management system is used for determining a current control mode;
and the platform equipment controller is used for receiving the information of leaving the station sent by the platform positioning equipment or receiving the state of leaving the station sent by the scheduling management system in a corresponding control mode, and controlling the PA terminal equipment to send broadcast information according to the information of leaving the station or the state of leaving the station.
9. A computer-readable storage medium, on which a computer program is stored, wherein the computer program, when being executed by a processor, implements the steps of the platform broadcast control method of a smart rail train according to any one of claims 1 to 7.
10. An electronic device, comprising a memory and a processor, wherein the memory stores a computer program, and the processor, when calling the computer program in the memory, implements the steps of the platform broadcast control method for a smart rail train according to any one of claims 1 to 7.
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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| Application Number | Priority Date | Filing Date | Title |
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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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| CN114013477A true CN114013477A (en) | 2022-02-08 |
| CN114013477B CN114013477B (en) | 2024-04-05 |
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| JPH04372462A (en) * | 1991-06-20 | 1992-12-25 | Toshiba Corp | Guiding system for passenger |
| US20050289611A1 (en) * | 2004-06-25 | 2005-12-29 | Nkb Inc. | Subway-car broadcasting system |
| 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 |
-
2021
- 2021-11-04 CN CN202111300218.5A patent/CN114013477B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04372462A (en) * | 1991-06-20 | 1992-12-25 | Toshiba Corp | Guiding system for passenger |
| US20050289611A1 (en) * | 2004-06-25 | 2005-12-29 | Nkb Inc. | Subway-car broadcasting system |
| 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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| Publication number | Publication date |
|---|---|
| CN114013477B (en) | 2024-04-05 |
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