CN213565910U - Novel passenger emergency alarm system for rail transit - Google Patents

Abstract

The utility model discloses a novel passenger emergency alarm system of track traffic for carry out the communication with ground dispatch center, present the module including IPH passenger emergency alarm module and sky, IPH passenger emergency alarm module includes a plurality of IPH passenger emergency alarm, it presents the module and includes that at least one divides ware, at least one antenna and radio frequency cable, a plurality of IPH passenger emergency alarm passes through respectively the radio frequency cable is connected to at least one on the ware is divided to the merit divide the ware with at least one antenna connection, at least one the antenna be used for through LTE-M network module with ground dispatch center carries out signal transmission. The utility model provides a track traffic's novel passenger emergency alarm system can be applicable to unmanned vehicle and easily remote maintenance.

Description

Novel passenger emergency alarm system for rail transit

Technical Field

The utility model relates to a track traffic technical field especially relates to a track traffic's novel passenger emergency alarm system.

Background

At present, Passenger Information Systems (PIS) are commonly used in various rail trains at home and abroad to provide various journey Information for passengers, and are accepted by vast passengers. PIS has now become an essential system for passenger car and subway design. The Passenger Emergency Communication Unit (PECU) is an important peripheral of a Passenger information system, and is mainly used as a unique Communication mode for Emergency contact between a Passenger and a driver train deck or a dispatching desk when the Passenger or the Passenger finds that a train has an abnormal condition (for example, the Passenger suddenly has an accident, the Passenger finds that the train is on fire, and the like).

Much research has been done in the art on the PECU technology, for example: patent document CN201220238010.5 discloses a passenger emergency communication unit and a passenger emergency communication system including the same, wherein the passenger emergency communication unit is connected to an external or passenger information system through the communication module, so as to realize audio and video communication between passengers and crew members, the passenger emergency communication unit further includes a video acquisition unit and a video sensor, and the video acquisition unit is connected with the central control unit through the video sensor. After the starting unit is pressed down, the automatic recording and video recording functions are triggered, the acquired information data are transmitted to the central control unit and also stored in the SD flash memory card or the hard disk, and the SD flash memory card or the hard disk can be downloaded and read if needed. The technology needs to add large-capacity storage on the passenger emergency communication unit, and when the passenger emergency communication unit needs to be consulted, the passenger emergency communication unit also needs to get on the bus and download the passenger one by one, so that the problem of low efficiency exists. Patent document cn201320876030.x discloses a novel passenger alarm, which only has audio communication and lacks video communication, so that an alarm site cannot be known by a vehicle-mounted station in a timely and clear manner. In the rail transit vehicle-mounted visual alarm system disclosed in patent document CN201621193378.9, a CPU unit and a camera for processing audio and video data are arranged in a passenger compartment, and a display screen and a touch screen are arranged in a driver compartment, so that a driver of an alarmer can observe real-time alarm states of passengers of the alarmer and actual conditions around the alarmer in real time. However, in the technology, a broadcast control box is required to be installed in a carriage of a driver, and the broadcast control box can be externally connected with equipment for communication, so that the coupling performance is high.

The above background disclosure is only provided to aid in understanding the concepts and technical solutions of the present invention, and it does not necessarily belong to the prior art of the present patent application, and it should not be used to assess the novelty and inventive step of the present application without explicit evidence that the above content has been disclosed at the filing date of the present patent application.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a track traffic's novel passenger emergency alarm system can be applicable to unmanned vehicle and easily remote maintenance.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model discloses a novel passenger emergency alarm system of track traffic for carry out the communication with ground dispatch center, present the module including IPH passenger emergency alarm module and sky, IPH passenger emergency alarm module includes a plurality of IPH passenger emergency alarm, it is provided the module and includes that at least one merit divides ware, at least one antenna and radio frequency cable, and is a plurality of IPH passenger emergency alarm passes through respectively the radio frequency cable is connected to at least one on the merit divides the ware, at least one the merit divides ware and at least one antenna connection, at least one the antenna be used for through LTE-M network module with ground dispatch center carries out signal transmission.

Preferably, the LTE-M network module includes an LTE-M network base station and an OTN transport network.

Preferably, novel passenger emergency alarm system still includes ground control management module, ground dispatch center is equipped with core switch, at least one the antenna pass through LTE-M network basic station and OTN transmission network with core switch connects, ground control management module connects core switch is in order to be used for a plurality of IPH passenger emergency alarm carries out control management.

Preferably, the IPH passenger emergency alert module is installed on a train, the train includes a plurality of sections of carriages, each section of the carriage includes a power supply box and a plurality of doors, and is a plurality of the IPH passenger emergency alert device is installed at each section of the carriage respectively a plurality of the door position of the door, wherein any one of the IPH passenger emergency alert device is respectively by corresponding in the carriage the power supply box supplies power.

Preferably, each IPH passenger emergency alarm has an internal structure that includes a main control module and an expansion board module, and the main control module is connected to the expansion board module.

Preferably, the IPH passenger emergency alarm further comprises an HDMI board, an HDMI interface is arranged on the main control module, the main control module is connected with one end of the HDMI board through the HDMI interface, and the other end of the HDMI board is connected with the expansion board module.

Preferably, the IPH passenger emergency alarms installed in the same car of the train share the same main control module, each IPH passenger emergency alarm includes an expansion board module, and the expansion board modules installed in the same car of the train are connected to the shared main control module respectively.

Preferably, a radio frequency interface is arranged on the main control module and used for connecting the radio frequency cable.

Preferably, each IPH passenger emergency alarm further comprises a power supply unit, the power supply unit is connected to the expansion board module, and the power supply unit is provided with a power interface for connecting a power supply box.

Preferably, each IPH passenger emergency alarm further comprises a key unit, an indicator light unit, a speaker unit and a microphone unit, wherein the key unit, the indicator light unit, the speaker unit and the microphone unit are respectively connected with the expansion board module.

Preferably, the IPH passenger emergency alarm further comprises a camera unit, and the camera unit is connected with the expansion board module.

Compared with the prior art, the beneficial effects of the utility model reside in that: the utility model discloses abandon the mode that current PECU's ethernet and audio-video bus connect passenger emergency alarm and locomotive server, and adopt the B-trunc (Broadband trunning Communication, Broadband Trunking Communication) Trunking Communication technique of urban rail transit LTE-M system, realize passenger to ground dispatcher's video Communication with independent high reliable Communication mode, for the dispatcher knows passenger information and site conditions very first time provides important guarantee, has innovatively solved the emergent difficult problem of dealing with of unmanned vehicle under extreme condition; the video frequency calling service used by the IPH (Inter Phone Handle) passenger emergency alarm for calling is completely compatible with the existing ground dispatching center service system and is easy for remote maintenance. And because use the B-trunc trunking communication technology of LTE-M system, the utility model discloses can realize the function that the dispatch station answers the multichannel call simultaneously, and the utility model discloses in can realize built-in number and polling call function in the IPH passenger emergency alarm function, after the emergency button is triggered, can call built-in vehicle-mounted platform number earlier, under the condition that two vehicle-mounted platforms do not put through for a period of time, can call the ground dispatch station automatically; so that the compatibility of manned and unmanned vehicles can be realized.

In a further aspect, the present invention also has the following advantages:

by adopting the scheme, the power supply box of each carriage can independently supply power, the on-vehicle IPH passenger emergency alarm does not need to be connected with the on-vehicle PIS system, the problem of high coupling degree is solved, so that each IPH passenger emergency alarm in each carriage is not coupled, when any one carriage goes wrong, the passenger emergency alarm beside other vehicle doors can be used for alarming, and the redundancy is higher.

The utility model can realize remote monitoring and remote control of the IPH passenger emergency alarm through the ground control management module, wherein the remote self-checking is initiated and the self-checking result is obtained; remotely controlling an IPH passenger emergency alarm to initiate a video call; remotely modifying and configuring the built-in number and calling rule of the IPH passenger emergency alarm; remotely acquiring a device log; remotely acquiring the call state and the network state of equipment; and remote upgrading is also carried out. Meanwhile, when the ground control management module remotely monitors the IPH passenger emergency alarm, relevant important data can be stored, and subsequent consultation is facilitated.

In the scheme, each IPH passenger emergency alarm is an independent system, and cross dependence among devices is avoided; a plurality of IPH passenger emergency alarms of the whole vehicle work independently, and the communication reliability of the whole vehicle is guaranteed extremely high. Under extreme conditions, under the condition that a CCTV (video monitoring system) system cannot be used due to damage of a vehicle-mounted TAU (train access unit), any IPH passenger emergency alarm can guarantee audio-video vehicle-ground communication; the whole system paralysis caused by single point failure is effectively avoided.

Drawings

Fig. 1 is a schematic structural view of a novel passenger emergency warning system for rail transit according to a preferred embodiment of the present invention;

FIG. 2 is a schematic diagram of the connection of any of the IPH passenger emergency alarms to the antenna feeder module;

fig. 3 is a schematic diagram of the connection between the novel passenger emergency alarm system of the rail transit and the ground CCTV server of the vehicle-mounted PIS system.

Detailed Description

In order to make the technical problem, technical scheme and beneficial effect that the embodiment of the present invention will solve more clearly understand, the following combines the drawings and embodiment, and goes forward the further detailed description of the present invention. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element. In addition, the connection may be for either a fixing function or a circuit connection function.

The following problems are commonly encountered in the research on the PECU technology in the prior art: (1) passenger emergency warning devices are connected to the head of a driver through Ethernet; the coupling of the wiring and all equipment is increased, and the equipment on the whole train can fail due to the problem of the Ethernet line. (2) Only can call a train driver vehicle-mounted station, is not suitable for unmanned vehicles, and cannot realize audio and video communication with a dispatching desk. (3) The operation and maintenance are inconvenient, and the data stored in the equipment needs to be checked and downloaded one by one when the equipment needs to know the condition of the equipment or the alarm communication record is obtained. (4) The calling and management complexity caused by the PECU on-board storage; in the case of an unstable vehicle-mounted recording device, problems such as loss of recording are easily caused.

In view of this, the preferred embodiment of the present invention discloses a novel passenger emergency alarm system for rail transit, as shown in fig. 1, which is composed of an on-vehicle IPH (Inter Phone Handle, intercom) passenger emergency alarm module 10, an antenna feeder module 20 and a ground control management module 30, and is based on an urban rail transit vehicle-ground integrated communication system (LTE-M) network connection, and is used for communicating with a ground dispatch center 60.

Wherein on-vehicle IPH passenger emergency alert module 10 includes a plurality of IPH passenger emergency alarm 11, and a plurality of IPH passenger emergency alarm 11 install respectively on the door limit gatepost cover plate of a plurality of doors of every section carriage of train, provide visual alarm function under the emergency for the subway passenger. The antenna feeder module 20 comprises an antenna 21, a power divider 22 and a radio frequency cable 23, and the number of the IPH passenger emergency alarms 11 mounted in the car and the number of the antenna feeder modules 20 can be increased or decreased according to practical application conditions. The ground control management module 30 includes a ground control management server 31 and a ground control management client 32, which are installed in an electrical control center (OCC) room, and provides functions of monitoring the states of the multiple IPH passenger emergency alarms 11, performing remote control management, performing system linkage, and the like.

Each IPH passenger emergency alarm 11 is uniformly powered by a power supply box 70 of each carriage through a power supply cable 71, a radio frequency interface exposed out of each IPH passenger emergency alarm 11 is connected to a power divider 22 through a radio frequency cable 23, the power divider 22 distributes input signal energy received by an antenna 21, or the power dividers 22 synthesizes signal energy of multiple IPH passenger emergency alarms 11 and outputs the signal by the antenna 21, and the signal is transmitted to a core switch 61 of a ground scheduling center 60 through an LTE-M Network base station 40 and an OTN (Optical Transport Network) transmission Network 50; the video call is processed by a dispatch station (e.g., a dispatcher of the ground dispatch center 60 or a dispatcher of the head of a vehicle) if the traffic signal of the video call is a traffic signal, and is processed by the ground control management module 30 connected to the core switch 61 if the traffic signal is other traffic, such as a traffic data signal for status monitoring. In order to simplify the drawing, fig. 1 only illustrates the connection schematic diagram of one car, and the connection manner of the cars is similar.

As shown in fig. 2, a schematic diagram illustrating a connection between any of the IPH passenger emergency alarms 11 and the antenna feeder module 20 is shown, where the IPH passenger emergency alarm 11 includes a main control module 111, an expansion board module 112, an HDMI board 113, a power supply module 114, a PTT (Push-to-talk) button 115, an indicator light 116, a speaker 117, a microphone 118, and a camera 119, where the main control module 111 is provided with an HDMI interface (not shown) and an RF radio frequency interface 1111, the HDMI board 113 is connected to a relay HDMI board 113 through the HDMI interface, the HDMI board 113 is further connected to a 14PIN direct plug connector (not shown) on the expansion board module 112 to expand hardware functions of the main control module 112, and the expansion board module 112 is connected to the power supply module 114, the PTT button 115, the indicator light 116, the speaker 117, the microphone 118, the camera 119, and a USB interface 1101. The RF interface 1111 of the main control module 111 is responsible for processing input and output of signals, and the main control module 111 is responsible for operating the system. The HDMI board 113 is used to connect the HDMI interface of the main control module 111 and the expansion board module 112, the power module 114 connected to the expansion board module 112 is used for power input, the power module 114 is provided with a power interface 1141, and the power module 114 is connected to the power box 70 through the power interface 1141 to supply power to the main control module 111 and other modules or units. The indicator 116 is used to display the status of the video call, and is divided into a busy light (red light) and a call light (green light), the microphone 118 is used to collect the voice of the passenger during the call, and the speaker 117 is used to play the voice of the video call and the prompt tone of the device; the PTT button 115 is used to trigger an emergency alert process of the device, so that the IPH passenger emergency alert 11 initiates a video call, and the camera 119 is used to collect a scene picture of the IPH passenger emergency alert 11 when alerting during a call.

The IPH passenger emergency alarm 11 is externally provided with 3 interfaces, namely a power interface 1141, an RF radio frequency interface 1111 and a USB interface 1101, wherein the power interface 1141 is connected with a power supply box 70 of the train through a power supply cable 71, and the power supply box 10 supplies 110V direct current power; the RF interface 1111 is connected to the power divider 22 through the RF cable 23, and then the power divider 22 is connected to the on-board antenna 21 as a signal transmission and reception path, and the other USB interface 1101 is disposed on the panel of the IPH passenger emergency alarm 11, and may be used for development and debugging of system software, data configuration, post maintenance, and the like of the device.

In the above preferred embodiment, the power divider and the antenna may be installed on each carriage of the train, or may be connected to the train head in a unified manner, and then the train head uses the power divider and the antenna to connect to the LTE-M network. In the above embodiment, each IPH passenger emergency alarm 11 is provided with one main control module, in other embodiments, one main control module may be shared in the same car, each IPH passenger emergency alarm 11 is provided with an expansion board module, the expansion board modules of all IPH passenger emergency alarms 11 in one car are connected to the shared main control module, when any IPH passenger emergency alarm 11 triggers a key function, a video call is initiated by the shared main control module, that is, all IPH passenger emergency alarms 11 in one car are connected to the shared main control module in a unified manner, and a video call is initiated by the shared main control module in a unified manner. In some embodiments, the novel passenger emergency alert system for rail transit may also include only the on-board IPH passenger emergency alert module 10, the antenna feeder module 20, and no ground control management module 30.

As shown in fig. 3, it is the utility model provides a connection schematic diagram between ground CCTV (video monitoring system) server 62 among novel passenger emergency alarm system of rail transit and the on-vehicle PIS system, on-vehicle PIS system is the passenger information system who has generally been applied to on the rail train, and ground CCTV server 62 (this ground CCTV server 62 sets up in ground dispatch center department as shown in fig. 1) is a part of on-vehicle PIS system, wherein the utility model provides a linkage function between novel passenger emergency alarm system of rail transit and other equipment of train, because do not directly use the reason of ethernet to insert the PIS system on the train, also have the difference with current PECU linkage scheme. Specifically, after the key of the IPH passenger emergency alarm 11 is triggered, the IPH passenger emergency alarm 11 enters a polling call process, and first calls two vehicle stations (vehicle stations at the head and tail of the vehicle) and then calls the ground dispatching station. The IPH passenger emergency alarm 11 calls the vehicle-mounted station, and if the vehicle-mounted station answers, the vehicle-mounted station sends the triggered IPH position information (vehicle door information) of the IPH passenger emergency alarm 11 to the vehicle-mounted PIS system to realize vehicle-mounted linkage. After the IPH passenger emergency alarm 11 calls the ground dispatching desk and the dispatching desk answers, the triggered IPH position information (door information) of the IPH passenger emergency alarm 11 is sent to a ground CCTV (video monitoring system) server 62 of the vehicle-mounted PIS by the ground control management module 30, so that linkage is realized. When other equipment on the vehicle is triggered, the ground CCTV server 62 of the vehicle-mounted PIS sends information to the ground control management module 30, and the ground control management module 30 controls the specific IPH passenger emergency alarm 11 to send an alarm to the dispatching desk, so that the linkage of the vehicle-mounted equipment is realized.

The utility model discloses preferred embodiment has adopted LTE-M wireless communication technique, supports B-trunc pronunciation cluster agreement, through the point-to-point calling of complete video, realizes passenger to dispatcher's video conversation. A functional boost from "audible" to "both audible and visible" is achieved. Meanwhile, the technology adopts fused audio and video coding for video call, so that the phenomenon of audio and video asynchronism caused by audio and video separation does not exist; meanwhile, the complex operation of the dispatcher on the audio dispatching desk and the video monitoring desk at the same time is avoided.

Through the utility model, the audio and video recording equipment of the core network of the LTE-M system can be utilized to carry out background recording, unified management and calling on the conversation of all IPH passenger emergency alarm equipment, thereby avoiding the calling and management complexity caused by the storage on the original PECU vehicle; meanwhile, the problems that the recording is lost due to instability of the vehicle-mounted recording equipment and the like are avoided.

Compared with the original PECU scheme, the scheme that voice communication is carried out on a vehicle-mounted wireless vehicle-mounted station is still adopted for unmanned vehicles, the whole vehicle only has one path of PECU to communicate with a ground dispatcher through the vehicle-mounted station, and when other PECUs are initiated simultaneously, the PECUs can only wait in a queue. The IPH passenger emergency alarm can realize simultaneous access of multi-video-point calling, a plurality of devices of a whole vehicle simultaneously initiate calling, the dispatching desk side can realize answering, and a dispatcher can switch between a plurality of emergency alarms correspondingly according to the real-time condition of a field video.

The IPH passenger emergency alarm can realize silent automatic answering of the call back of the dispatcher, and can provide more ways for the passenger dispatcher to know the on-site condition of passengers on the vehicle. Meanwhile, aiming at the unattended equipment on the unmanned vehicle, a regular remote manual inspection means is provided by a network management server in a callback and automatic answering mode.

The control management system can remotely control and monitor the state of the IPH passenger emergency alarm, remotely modify and configure the built-in calling number and calling rule of the IPH passenger emergency alarm, remotely control equipment to perform self-checking and obtain an equipment self-checking result, remotely obtain log information of the equipment and the like, and greatly facilitate later maintenance of the equipment after getting on the bus.

The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. To the technical field of the utility model belongs to the prerequisite of not deviating from the utility model discloses, can also make a plurality of equal substitution or obvious variants, performance or usage are the same moreover, all should regard as belonging to the utility model's scope of protection.

Claims (10)

1. The utility model provides a novel passenger emergency alarm system of track traffic, its characterized in that for communicate with ground dispatch center, including IPH passenger emergency alarm module and antenna feed module, IPH passenger emergency alarm module includes a plurality of IPH passenger emergency alarm, antenna feed module includes at least one merit and divides ware, at least one antenna and radio frequency cable, and is a plurality of IPH passenger emergency alarm is respectively through the radio frequency cable is connected to at least one on the merit divides the ware, at least one the merit divide the ware with at least one antenna connection, at least one the antenna be used for through LTE-M network module with ground dispatch center carries out signal transmission.

2. The rail transit passenger emergency alert system according to claim 1, wherein the LTE-M network module includes an LTE-M network base station and an OTN transport network.

3. The novel passenger emergency alarm system for rail transit according to claim 1, further comprising a ground control management module, wherein the ground dispatch center is provided with a core switch, at least one of the antennas is connected to the core switch through an LTE-M network base station and an OTN transmission network, and the ground control management module is connected to the core switch for controlling and managing the IPH passenger emergency alarms.

4. The system of claim 1, wherein the IPH passenger emergency alert module is installed on a train, the train comprises a plurality of carriages, each carriage comprises a power supply box and a plurality of doors, the plurality of IPH passenger emergency alerts are respectively installed at door positions of the doors of each carriage, and any one of the IPH passenger emergency alerts is respectively powered by the power supply box in the corresponding carriage.

5. The rail transit novel passenger emergency alert system according to claim 1, wherein an internal structure of each IPH passenger emergency alert device comprises a main control module and an expansion board module, respectively, and the main control module is connected to the expansion board module.

6. The novel passenger emergency alarm system for rail transit of claim 5, wherein the IPH passenger emergency alarm further comprises an HDMI board, the main control module is provided with an HDMI interface, the main control module is connected to one end of the HDMI board through the HDMI interface, and the other end of the HDMI board is connected to the expansion board module.

7. The novel passenger emergency alarm system for rail transit according to claim 4, wherein a plurality of the IPH passenger emergency alarms installed in a same car of a train share a same main control module, each of the IPH passenger emergency alarms respectively includes an expansion board module, and the expansion board modules of the IPH passenger emergency alarms installed in the same car of the train are respectively connected to the shared main control module.

8. The system of claim 5, 6 or 7, wherein the main control module is provided with a radio frequency interface for connecting the radio frequency cable, each IPH passenger emergency alarm further comprises a power supply unit, the power supply unit is connected to the expansion board module, and the power supply unit is provided with a power supply interface for connecting a power supply box.

9. The system of claim 5, 6 or 7, wherein each IPH passenger emergency alarm further comprises a key unit, an indicator light unit, a speaker unit and a microphone unit, and the key unit, the indicator light unit, the speaker unit and the microphone unit are respectively connected to the expansion board module.

10. The rail transit novel passenger emergency alert system of claim 9, wherein the IPH passenger emergency alert further comprises a camera unit, the camera unit being connected with the expansion board module.

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