Auxiliary protection device for shunting operation of rail car

Abstract

The utility model provides an auxiliary protection device for shunting operation of a rail car. The auxiliary protection device comprises vehicle-mounted equipment and ground equipment, the vehicle-mounted equipment comprises a shunting protection host which obtains operation data of a GYK system by using a rail car comprehensive monitoring device and is provided with a satellite positioning module for positioning a rail car; the rail car comprehensive monitoring device is in communication connection with the GYK system; the ground equipment is in communication connection with the shunting protection host; according to the position of the vehicle and the ground shunting condition, protection information required by safe vehicle control is automatically formed, the investment of ground equipment is reduced, and the information safety problem is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of rail vehicle shunting protection, in particular to an auxiliary protection device for rail vehicle shunting operations. Background Art

[0002] With the rapid development of my country's railway transportation industry, rail vehicles are being used more and more widely in the railway industry, and the demand for driving safety is also increasing. At present, rail vehicles have realized GYK equipment control in interval operation and operation, but due to the lack of effective protection measures, they rely entirely on human control during station shunting operations, and the station environment for rail vehicle shunting operations is complex. Traditional RTK differential positioning technology requires the construction of differential base stations at each station, and differential servers need to be added on the ground. Satellite positioning data needs to be transmitted through the public network, which has uneven field strength distribution, real-time signal delay, and information security risks. At the same time, the construction cost of building ground differential base stations and differential servers is high, and the subsequent maintenance costs require long-term investment, and the management costs are increasing year by year. It is not suitable for the safety protection scenarios of shunting operations in many rail vehicle stations. Utility Model Content

[0003] The utility model solves the problem that traditional RTK differential positioning technology requires the construction of differential base stations at each station, resulting in high investment costs. An auxiliary protection device for rail vehicle shunting operations is proposed, which independently generates protection information required for safe vehicle control according to the vehicle's own position and ground shunting conditions, reduces ground equipment investment, and avoids information security issues.

[0004] In order to achieve the above objectives, the following technical solutions are proposed:

[0005] A rail vehicle shunting operation auxiliary protection device comprises a vehicle-mounted device and a ground device; the vehicle-mounted device comprises:

[0006] The shunting protection host uses the rail vehicle integrated monitoring device to obtain the operation data of the GYK system, and is equipped with a satellite positioning module to locate the rail vehicle;

[0007] The rail vehicle integrated monitoring device is connected to the GYK system;

[0008] The ground equipment is communicatively connected with the shunting protection host.

[0009] The utility model includes ground equipment and vehicle-mounted equipment, wherein the vehicle-mounted equipment includes a shunting protection host and a rail vehicle comprehensive monitoring device, the shunting protection host is provided with a satellite positioning module for locating the rail vehicle, the rail vehicle comprehensive monitoring device is used for the communication connection between the GYK system and the shunting protection host, and the shunting protection host is connected to the ground equipment. The utility model autonomously forms the protection information required for safe vehicle control based on the vehicle position obtained by the satellite positioning module and the ground shunting situation obtained by the shunting protection host through the ground equipment, and the shunting protection host uses the rail vehicle comprehensive monitoring device to connect with the GYK system, especially the GYK-160 device of the GYK system, to realize the automatic safety protection control and operation data recording function of the rail vehicle shunting operation.

[0010] Preferably, the ground equipment comprises:

[0011] A ground interface server is wirelessly connected to the shunting protection host;

[0012] The computer interlocking system sends station shunting data information to the ground interface server in real time.

[0013] The ground equipment of the utility model includes a ground interface server and a computer interlocking system. The ground interface server is used for wireless communication connection with the shunting protection host, and the computer interlocking system is used for sending the station shunting data information to the ground interface server in real time. The computer interlocking system is a technology that automatically realizes the control between the turnouts, signal machines and approaches in the station, and is an important guarantee facility necessary to ensure the safe and efficient operation of the railway system. The ground interface server is connected to the computer interlocking system and is used to obtain the station information in the interlocking data. The station computer interlocking signal system server sends data unidirectionally to the interlocking interface server through a dedicated line, and the interlocking system is not affected during the data transmission process. The shunting protection host and the ground interface server use a self-organizing network to exchange data, and the network is self-organized in the form of a central base station + on-board terminal, and the point-to-point transmission mode is used to realize the data transmission between the server and the on-board equipment.

[0014] Preferably, the shunting protection host includes a main control module and a power module, the power module supplies power to the entire shunting protection host, the main control module is electrically connected to the satellite positioning module, and the main control module is wirelessly connected to the ground interface server.

[0015] The shunting protection host of the utility model includes a power module, a main control module and a satellite positioning module. The power module supplies power to the shunting protection host as a whole, the satellite positioning module is electrically connected to the main control module, and the ground interface server is wirelessly connected to the main control module. The main control module realizes data and protection function calculation, generates display, voice prompt and alarm information based on the shunting signal status information received by the interlocking system, combined with its own locomotive displacement, direction and other information, and sends it to the human-machine terminal.

[0016] Preferably, the power module is provided with a current conversion circuit, which converts the power obtained from the rail car into the working power of the shunting protection host. The power module of the utility model is provided with a current conversion circuit which converts the power obtained from the rail car into the working power of the shunting protection host.

[0017] Preferably, the shunting protection host is electrically connected to an independent display screen, and the independent display screen is fixed on the body of the rail vehicle. The utility model is provided with an independent display screen fixed on the body of the rail vehicle, and the independent display screen is electrically connected to the shunting protection host.

[0018] Preferably, the shunting protection host includes a shunting and monitoring communication module, and the main control module is connected to the independent display screen via the shunting and monitoring communication module. The shunting protection host of the utility model is provided with a shunting and monitoring communication module, and the shunting and monitoring communication module is electrically connected to the main control module, and the main control module is connected to the independent display screen via the shunting and monitoring communication module.

[0019] Preferably, the monitoring and control communication module is provided with a Lora module, and the Lora modules between the rail vehicles are connected to each other for communication. The monitoring and control communication module of the utility model is provided with a Lora module for vehicle-to-vehicle communication, and the Lora modules between the rail vehicles are connected to each other for communication. The monitoring and control communication module provides an interface between the vehicle-mounted host and the human-machine terminal, and at the same time has a Lora function, a vehicle-to-vehicle communication function, and can realize a vehicle-to-vehicle collision avoidance function.

[0020] Preferably, the shunting protection host is electrically connected to a vehicle-mounted positioning antenna, the vehicle-mounted positioning antenna is electrically connected to the satellite positioning module, and the vehicle-mounted positioning antenna is fixed on the body of the rail vehicle.

[0021] The shunting protection host of the utility model is electrically connected to a vehicle-mounted positioning antenna fixed on the body of the rail vehicle, and the vehicle-mounted positioning antenna is electrically connected to a satellite positioning module to enhance the signal receiving and sending capability of the satellite positioning module.

[0022] Preferably, the satellite positioning module adopts a Beidou high-precision positioning and orientation module.

[0023] Preferably, the satellite positioning module is provided with a 4G / 5G wireless communication unit.

[0024] The beneficial effects of the utility model are: when the rail vehicle is conducting shunting operations, the on-board system combines the ground basic data to autonomously form the protection information required for safe vehicle control, which can meet the rail vehicle shunting operations in areas without public networks, can reduce safety hazards during railway operation, and effectively prevent accidents during rail vehicle driving, which plays a very important role in the realization of the auxiliary protection function of rail vehicles. It can solve the problem of the current lack of effective technical defense means during rail vehicle shunting operations at stations, reduce the safety risks of shunting, driving, and operations, reduce ground equipment investment, and avoid information security issues. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic diagram of the overall structural connection of the utility model.

[0026] Figure 2 It is a circuit topology diagram of the shunting protection host of the utility model. DETAILED DESCRIPTION

[0027] The technical solution of the utility model is further specifically described below through embodiments.

[0028] This embodiment provides a rail vehicle shunting operation auxiliary protection device, referring to Figure 1 , including ground equipment and on-board equipment, wherein the on-board equipment includes a shunting protection host and a rail vehicle comprehensive monitoring device, the shunting protection host is provided with a satellite positioning module for locating the rail vehicle, and the satellite positioning module adopts a Beidou high-precision positioning and orientation module; the rail vehicle comprehensive monitoring device is used for the communication connection between the GYK system and the shunting protection host, and the shunting protection host is connected to the ground equipment for communication. The satellite positioning module adopts a Beidou high-precision positioning and orientation module. The satellite positioning module is provided with a 4G / 5G wireless communication unit. The utility model independently forms the protection information required for safe vehicle control according to the vehicle position obtained by the satellite positioning module and the ground shunting situation obtained by the shunting protection host through the ground equipment, and the shunting protection host uses the rail vehicle comprehensive monitoring device to connect with the GYK system, especially the GYK-160 device of the GYK system, to realize the automatic safety protection control and operation data recording function of the rail vehicle shunting operation.

[0029] The ground equipment of the utility model includes a ground interface server and a computer interlocking system. The ground interface server is used for wireless communication connection with the shunting protection host, and the computer interlocking system is used for sending the station shunting data information to the ground interface server in real time. The computer interlocking system is a technology that automatically realizes the control between the turnouts, signal machines and approaches in the station, and is an important guarantee facility necessary to ensure the safe and efficient operation of the railway system. The ground interface server is connected to the computer interlocking system and is used to obtain the station information in the interlocking data. The station computer interlocking signal system server sends data unidirectionally to the interlocking interface server through a dedicated line, and the interlocking system is not affected during the data transmission process. The shunting protection host and the ground interface server use a self-organizing network to exchange data, and the network is self-organized in the form of a central base station + on-board terminal, and the point-to-point transmission mode is used to realize the data transmission between the server and the on-board equipment.

[0030] The shunting protection host of the utility model includes a power module, a main control module and a satellite positioning module. The power module supplies power to the shunting protection host as a whole. The satellite positioning module is electrically connected to the main control module. The ground interface server is wirelessly connected to the main control module. The main control module realizes data and protection function calculations. Based on the shunting signal status information received by the interlocking system, it generates display, voice prompts and alarm information in combination with its own locomotive displacement, direction and other information and sends them to the human-machine terminal. The power module of the utility model is provided with a current conversion circuit that converts the power obtained from the rail car into the working power of the shunting protection host.

[0031] The utility model is provided with an independent display screen fixed on the body of the rail vehicle, and the independent display screen is electrically connected to the shunting protection host computer.

[0032] The utility model provides a shunting and monitoring communication module in the shunting protection host, wherein the shunting and monitoring communication module is electrically connected to the main control module, and the main control module is connected to the independent display screen by means of the shunting and monitoring communication module.

[0033] The utility model has a Lora module for vehicle-to-vehicle communication in the monitoring and control communication module, and the Lora modules between rail vehicles are connected to each other for communication. The monitoring and control communication module provides an interface between the vehicle-mounted host and the human-machine terminal, and has a Lora function and a vehicle-to-vehicle communication function, and can realize a vehicle-to-vehicle collision prevention function.

[0034] The shunting protection host of the utility model is electrically connected to a vehicle-mounted positioning antenna fixed on the body of the rail vehicle, and the vehicle-mounted positioning antenna is electrically connected to a satellite positioning module to enhance the signal receiving and sending capability of the satellite positioning module.

[0035] The utility model combines the ground basic data when the rail vehicle is performing shunting operations, and the on-board system independently forms the protection information required for safe vehicle control, which can meet the rail vehicle shunting operations in areas without public networks, can reduce the safety hazards in the railway operation process, and effectively prevent accidents during the operation of the rail vehicle. It plays a very important role in the realization of the auxiliary protection function of the rail vehicle. It can solve the problem of the lack of effective technical protection means in the current rail vehicle shunting operations at the station, reduce the safety risks of shunting, driving, and operations, reduce the investment in ground equipment, and avoid information security issues.

[0036] The working principle of the utility model is as follows:

[0037] The on-board equipment includes a shunting protection host, a rail vehicle comprehensive monitoring device, an on-board positioning antenna, and an independent display screen; the ground equipment includes a computer interlocking system and a ground interface server.

[0038] The structure diagram of the shunting protection host is as follows: Figure 2 As shown, the main control module realizes data and protection function calculation, generates display, voice prompt and alarm information based on the status information of the shunting signal received by the interlocking system and combined with its own locomotive displacement, direction and other information, and sends them to the human-machine terminal; the satellite positioning module is used to provide high-precision satellite positioning function, and also has 4G / 5G wireless communication function for shunting;

[0039] The monitoring and control communication module provides an interface between the on-board host and the human-machine terminal. It also has the Lora function and vehicle-to-vehicle communication function, which can realize the vehicle-to-vehicle collision avoidance function. The power module converts the power obtained from the rail car into the host working power supply, and also supplies power to the independent display and the self-organizing network module.

[0040] The interface box is connected to the GYK system through the rail vehicle integrated monitoring device to obtain rail vehicle operation information such as speed, working condition, and monitoring mode. The on-board system receives the status information of the shunting signal from the interlocking system, and adopts the new Beidou positioning module and the independently developed precise single-point positioning algorithm, combined with the station electronic map, to independently form the protection information required for safe vehicle control. Combined with the GYK operation data, the ground differential base station can be eliminated, and the vehicle can be accurately positioned only by the on-board equipment. The on-board system generates display, voice prompts and alarm information based on its own vehicle location, status and other information and sends them to an independent display screen.

[0041] The interlocking system is a technology that automatically realizes the control between the turnouts, signal machines and routes in the station. It is an important guarantee facility necessary to ensure the safe and efficient operation of the railway system. The ground interface server is connected to the computer interlocking system to obtain the station information in the interlocking data. The station computer interlocking signal system server sends data to the interlocking interface server in one direction through a dedicated line, and the data transmission process does not cause any impact on the interlocking system. The shunting protection host and the ground interface server use a self-organizing network to exchange data, and the network is self-organized in the form of a central base station + on-board terminal, and the point-to-point transmission mode is used to realize data transmission between the server and the on-board equipment.

[0042] The precise point positioning algorithm adopts Beidou high-precision positioning and orientation module combined with PPP-B2b positioning technology. The PPP-B2b service provides precise point positioning correction numbers, which can correct satellite orbit errors, satellite clock errors and hardware delay deviations in navigation data, and does not rely on ground communications. In unobstructed areas, only the information broadcast by satellites can be used to receive stable and continuous precise point positioning data, and provide high-precision positioning and timing services in environments and scenarios without public networks, so that the vehicle-mounted system can achieve high-precision positioning without the help of CORS and mobile communication networks. In open environments, the PPP-B2b service can provide static centimeter-level and dynamic decimeter-level positioning results.

[0043] The independent display screen is the human-computer interaction unit of the system. When the railcar enters the safety protection state of shunting operation, it displays the station yard graphic interface and route information, including the station yard graphic interface, shunting signal, railcar position, distance from the railcar to the front signal point, name and icon of the front signal point, railcar running speed, maximum speed limit (including special turnout and track speed limit), GPS time, positioning status information, railcar working mode, function buttons, etc. The shunting signal status received by the human-machine terminal will be voice prompted and sound and light alarmed when the operating railcar enters a certain distance range of the key point, warning the railcar driver to control the running speed to prevent crossing the target location and realize equipment safety control. The system has the function of recording and replaying operation data. Users can transcribe the operation records to the ground computer through a special dumper to realize the analysis of driver operation, vehicle operation status and other information.

[0044] The utility model provides a rail vehicle shunting operation auxiliary protection device, which obtains the real-time positioning information of the vehicle through the independently developed PPP-B2b single-point positioning technology, and receives the station shunting signal status sent by the interlocking system through the interface server. When the rail vehicle is performing shunting operations, combined with the ground basic data, the on-board system independently forms the protection information required for safe vehicle control, which can meet the rail vehicle shunting operations in areas without public networks, can reduce safety hazards during railway operation, and effectively prevent accidents during rail vehicle driving, which plays a very important role in the realization of the auxiliary protection function of the rail vehicle.

[0045] In the embodiments provided in the present invention, it should be understood that the disclosed system and method can also be implemented in other ways. The above described system and method embodiments are merely illustrative.

[0046] The utility model combines the ground basic data when the rail vehicle is performing shunting operations, and the on-board system independently forms the protection information required for safe vehicle control, which can meet the rail vehicle shunting operations in areas without public networks, can reduce the safety hazards in the railway operation process, and effectively prevent accidents during the operation of the rail vehicle. It plays a very important role in the realization of the auxiliary protection function of the rail vehicle. It can solve the problem of the lack of effective technical protection means in the current rail vehicle shunting operations at the station, reduce the safety risks of shunting, driving, and operations, reduce the investment in ground equipment, and avoid information security issues.

[0047] Although the implementation methods disclosed in the utility model are as above, the above contents are only the implementation methods adopted for facilitating the understanding of the utility model, and are not used to limit the utility model. Any technician in the technical field to which the utility model belongs can make any modifications and changes in the form and details of the implementation without departing from the spirit and scope disclosed in the utility model, but the scope of patent protection of the utility model shall still be based on the scope defined in the attached claims.

Claims

1. A rail vehicle shunting operation auxiliary protection device, characterized in that: It includes vehicle-mounted equipment and ground equipment; the vehicle-mounted equipment includes: The shunting protection host uses the rail vehicle integrated monitoring device to obtain the operation data of the GYK system, and is equipped with a satellite positioning module to locate the rail vehicle; The rail vehicle integrated monitoring device is connected to the GYK system; The ground equipment is communicatively connected with the shunting protection host.

2. The auxiliary protection device for rail vehicle shunting operation according to claim 1 is characterized in that: The ground equipment includes: a ground interface server, which is wirelessly connected to the shunting protection host; The computer interlocking system sends station shunting data information to the ground interface server in real time.

3. A rail vehicle shunting operation auxiliary protection device according to claim 2, characterized in that: The shunting protection host includes a main control module and a power module. The power module supplies power to the shunting protection host as a whole. The main control module is electrically connected to the satellite positioning module, and the main control module is wirelessly connected to the ground interface server.

4. The auxiliary protection device for rail vehicle shunting operation according to claim 3 is characterized in that: The power module is provided with a current conversion circuit, which converts the power obtained from the rail vehicle into the working power of the shunting protection host.

5. The auxiliary protection device for rail vehicle shunting operation according to claim 3 is characterized in that: The shunting protection host is electrically connected to an independent display screen, and the independent display screen is fixed on the body of the rail car.

6. The auxiliary protection device for rail vehicle shunting operation according to claim 5, characterized in that: The shunting protection host includes a shunting monitoring communication module, and the main control module is connected to the independent display screen through the shunting monitoring communication module.

7. The auxiliary protection device for rail vehicle shunting operation according to claim 6 is characterized in that: The monitoring and control communication module is provided with a Lora module, and the Lora modules between the rail vehicles are connected to communicate with each other.

8. The auxiliary protection device for rail vehicle shunting operation according to claim 1 is characterized in that: The shunting protection host is electrically connected to a vehicle-mounted positioning antenna, the vehicle-mounted positioning antenna is electrically connected to the satellite positioning module, and the vehicle-mounted positioning antenna is fixed on the body of the rail vehicle.

9. A rail vehicle shunting operation auxiliary protection device according to any one of claims 1 to 8, characterized in that: The satellite positioning module adopts the Beidou high-precision positioning and orientation module.

10. The auxiliary protection device for rail vehicle shunting operation according to claim 9, characterized in that: The satellite positioning module is provided with a 4G / 5G wireless communication unit.

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