Subway electric passenger car shunting early warning system

Abstract

The subway electric passenger car shunting early warning system is provided with the vehicle-mounted subsystem, the wireless communication network and the ground subsystem, the vehicle-mounted subsystem comprises the portable early warning terminal, the portable early warning terminal is a small tablet terminal, the train-ground communication function and ground interlocking signal receiving and analyzing are achieved, and man-machine interaction and alarming are achieved. Ground interlocking signals specifically comprise an occupation state and a turnout state, so that initial positioning is performed manually, parking spaces are tracked by adopting track occupation in interlocking information, and signals of shunting operation of electric passenger cars and early warning of end lines are performed.

Description

Technical Field

[0001] The utility model relates to the technical field of rail transit engineering vehicles, in particular to a subway electric passenger car shunting early warning system. Background Art

[0002] Subway electric passenger car: A train used to carry passengers in urban rail transit. Currently, there are a huge number of subway electric passenger cars, and shunting operations are risky, especially when subway electric passenger trains are shunting in non-ATC (automatic train control) depots. There is a lack of ATP protection, and manual visual driving is prone to misreading signals or inattention. The existing technical safety protection requires a lot of equipment installation and vehicle modification work, such as vehicle status collection, positioning host and antenna, etc., all of which require a lot of vehicle modification, high investment cost and complex construction. Summary of the invention

[0003] In view of the shortcomings of the prior art, the purpose of the utility model is to provide a subway electric passenger car shunting warning system. By setting the on-board subsystem on the vehicle, the equipment is small in size and there is no vehicle installation and wiring work. The vehicle position relies on manual initial positioning and automatic tracking through interlocking information, and can provide signal warning and dead end line warning functions.

[0004] The technical solution includes: a vehicle-mounted subsystem, a wireless communication network, and a ground subsystem. The vehicle-mounted subsystem includes a portable early warning terminal, which is a small tablet terminal;

[0005] The wireless communication network is a public mobile communication network;

[0006] The ground subsystem includes a ground interlocking interface machine, a DTU, and a shunting warning server;

[0007] The ground interlocking interface machine receives interlocking data unidirectionally through the serial port, and after transcoding and encryption, sends it to the designated shunting warning server through the DTU device;

[0008] The shunting warning server communicates with the portable warning terminal through a wireless communication network and simultaneously receives the station interlocking real-time data.

[0009] Beneficial effects of the utility model: the portable early warning terminal is a small tablet terminal with wireless communication function, which realizes the vehicle-ground communication function, receives and analyzes the ground interlocking signal, automatically calculates the parking space according to the track occupancy, and realizes the signal early warning and end line early warning functions of the electric passenger car;

[0010] The equipment is small in size and does not involve any construction or modification of the vehicle, making it easy to implement. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1This is a system structure diagram of the utility model.

[0012] Figure 2 This is an example diagram of the dead end line warning of the present utility model. DETAILED DESCRIPTION

[0013] For the above and other technical contents, features and functions of the present invention, please refer to the following attached Figures 1 to 2 The detailed description of the embodiments will clearly show that the structural contents mentioned in the following embodiments are all based on the drawings in the specification.

[0014] Various exemplary embodiments of the present utility model will be described below with reference to the accompanying drawings.

[0015] Embodiment 1, a subway electric passenger car shunting warning system, comprising: an on-board subsystem, a wireless communication network, and a ground subsystem, wherein the on-board subsystem comprises a portable warning terminal, which is a small tablet terminal, and realizes online registration of vehicles, vehicle-ground communication functions, ground interlocking signal reception and analysis, station yard diagram analysis and drawing, parking space calculation and display, and signal warning and dead-end line warning functions;

[0016] Specifically, the ground interlocking information is actively applied for according to the section where it is located. The interlocking information includes the track occupancy status, signal light status and switch status. The terminal software parses and displays the occupancy status and switch status for the terminal station map display and path calculation. For example, when the vehicle is not located, it is initially positioned manually, and the subsequent interlocking information is followed up to automatically track the parking space. For example, when the vehicle is at the dead end, the alarm position is calculated according to the preset vehicle running speed, and the distance between the current vehicle and the dead end is calculated, thereby realizing the early warning function of the signal and the dead end of the electric passenger car shunting operation, such as Figure 2 As shown in the figure, sections 1 and 2 are occupied. When section 3 changes from idle to occupied, it means that the vehicle has moved to section 3. At this time, the software automatically moves the parking space from section A to section B and prompts the status of the traffic light in front of section 3. If there is a dead end in front of section 3, an alarm will be issued for the dead end.

[0017] The wireless communication network is a public mobile communication network, and the vehicle-mounted subsystem and the ground subsystem transmit data through the public mobile communication network;

[0018] The ground subsystem includes a ground interlocking interface machine, a DTU, and a shunting warning server;

[0019] The interlocking interface machine is mainly used to collect interlocking information provided by the interlocking system and manage the interlocking information according to relevant protocols;

[0020] The DTU is set up in each vehicle depot, connected to the interlocking interface machine, and network isolation is performed through the serial port, while providing the interlocking interface machine with public network access capability;

[0021] The shunting warning server is responsible for processing the train-ground communication data, receiving the station interlocking real-time data information, and processing the real-time interlocking data application of the portable warning terminal.

[0022] Embodiment 2: Based on Embodiment 1, the interlocking information includes track occupancy status, signal light status and switch status. The portable early warning terminal calculates the vehicle position change based on the initial position, switch status and track occupancy change. Usually, the vehicle position is calculated by adding speed sensor pulse information and calculating the vehicle position through the wheelset displacement collected by the speed sensor. In the present invention, the vehicle does not need to be installed with a speed sensor, and the position is calculated and the early warning function is realized only through interlocking occupancy.

[0023] Embodiment 3: On the basis of embodiment 1, after the ground route is opened in the track occupied state, the ground interlocking system locks the switches and hostile routes related to the route after the route is selected, determining that the route is in an idle state, the switch position is correct, and no hostile route has been established. At this time, the interlocked locked route can be represented on the map as a white light band in the signal. If the vehicle occupies the track circuit and the two tracks are short-circuited by the wheels of the train, the section of the track circuit is represented by a red light band. During the movement of the vehicle, the red and white light bands will change with the movement of the vehicle. The on-board device can determine the changes in the track where the vehicle is located based on the switch position and the changes in the light band, and can alarm the signal machine ahead based on the changes in the vehicle track and the direction of vehicle operation.

[0024] When the utility model is used specifically, an on-board subsystem, a wireless communication network and a ground subsystem are set. The on-board subsystem includes a portable early warning terminal. The portable early warning terminal is a small flat-panel terminal, which realizes the vehicle-ground communication function and the reception and analysis of ground interlocking signals, human-computer interaction and alarm. The ground interlocking signal specifically includes the occupation status and the switch status. Through manual initial positioning and tracking of the parking space according to the track occupancy in the interlocking information, the signal of the electric passenger car shunting operation and the early warning of the end line are carried out.

Claims

1. A subway electric passenger car shunting warning system, comprising: The vehicle-mounted subsystem, the wireless communication network, and the ground subsystem are characterized in that the vehicle-mounted subsystem includes a portable early warning terminal; The wireless communication network is a public mobile communication network; The ground subsystem includes a ground interlocking interface machine, a DTU, and a shunting warning server; The ground interlocking interface machine receives interlocking data unidirectionally through the serial port, and after transcoding and encryption, sends it to the designated shunting warning server through the DTU device; The shunting warning server communicates with the portable warning terminal through a wireless communication network and simultaneously receives the station interlocking real-time data.

2. A subway electric passenger car shunting warning system according to claim 1, characterized in that: The interlocking data includes track occupancy status, signal light status and switch status. The interlocking information is collected by the interlocking interface machine and transmitted to the portable warning terminal through the DTU equipment, the shunting warning server and the wireless communication network.

3. A subway electric passenger car shunting warning system according to claim 2, characterized in that: After the ground access is opened in the track occupation state, the ground track circuit lock can be represented as a white light band in the signal. If the vehicle occupies the track, it will be represented as a red light band.

4. A subway electric passenger car shunting warning system according to claim 1, characterized in that: The ground interlocking interface machine receives interlocking data unidirectionally through the serial port, performs network isolation through the unidirectional reception of the serial port, and provides public network access capability at the same time.

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