Temporary speed-limiting dispatching command protection system for locomotive
The temporary speed limit dispatching command is transmitted through the wireless communication network and dual redundant channels, which solves the safety risks brought by manual operation of the crew, realizes the real-time and safety control of the temporary speed limit dispatching command, and improves the safety of train operation.
Patent Information
- Application Number
- CN202422815171.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-18
- Publication Date
- 2025-10-17
- Estimated Expiration
- 2034-11-18
AI Technical Summary
In the existing technology, temporary speed limit dispatching commands are not included in LKJ control, and rely on manual operation by crew members, which poses a safety risk and leads to the safety hazard of exceeding the temporary speed limit.
The ground center equipment and vehicle-mounted equipment are connected through a wireless communication network to realize the wireless transmission of temporary speed limit dispatch commands. Dual redundant wireless channels and protocol conversion devices are used to ensure the real-time and security of the commands.
It improves the real-time control and security of temporary speed limit dispatching commands, avoids the safety risks brought by manual operation of crew members, and ensures the safety and reliability of train operation.
Smart Images

Figure CN223443555U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of track vehicle operation control technology, provide a kind of locomotive temporary speed limit dispatching command protection system. BACKGROUND
[0002] Temporary speed limit dispatching command outside operation is not included in LKJ control, but by the train speed control of manual operation of attendant, there is the security risk of temporary speed limit overspeed. To solve this problem, temporary speed limit dispatching command LKJ control car scheme is formulated, and the real-time and safety of LKJ temporary speed limit dispatching command control are improved. UTILITY MODEL CONTENT
[0003] In view of the deficiencies in the prior art, the utility model aims to provide a kind of locomotive temporary speed limit dispatching command protection system, realize temporary speed limit dispatching command outside operation through CIR and wireless replacement double redundancy wireless channel and realize temporary speed limit wireless transmission.
[0004] Its technical scheme is, including through wireless communication network communication connection ground central equipment and vehicle-mounted equipment;
[0005] The ground central equipment includes dispatching centralized system (CTC), wireless replacement server and external network communication server, and the dispatching centralized system (CTC) is communicated with the wireless replacement server through T / D intermediate library communication connection;The dispatching centralized system (CTC) further includes station centralized dispatching system;
[0006] The vehicle-mounted equipment includes locomotive comprehensive wireless communication equipment (CIR) and vehicle-mounted wireless replacement device;The wireless replacement device is communicated with the ground central equipment through external network communication server, 4G / 5G network;
[0007] The locomotive comprehensive wireless communication equipment (CIR) is communicated with the station centralized dispatching system through 450M / GSM-R network.
[0008] In the above or some embodiments, RS422-ETH protocol conversion device is further provided between the locomotive comprehensive wireless communication equipment (CIR) and the vehicle-mounted wireless replacement device.
[0009] In the above or some embodiments, the dispatching centralized system (CTC) is communicated with T / D intermediate library, and the T / D intermediate library obtains temporary speed limit text information from CTC / TDCS;The T / D intermediate library is communicated with wireless replacement ground server through MQ message, and the wireless replacement ground server is communicated through Internet network.
[0010] In the above or some embodiments, the locomotive integrated wireless communication device (CIR) is connected with the protocol conversion device through an RS422 interface; and the protocol conversion device is connected with the on-board wireless reloading unit through an Ethernet.
[0011] The utility model discloses the beneficial effects: the safety risk of the temporary overspeed of the traditional manual operation train speed control of the attendant has been replaced, the temporary speed limit scheduling command LKJ control car scheme can be realized through the system, and the real-time performance and safety of LKJ temporary speed limit scheduling command control are improved through the double channel communication connection mode. BRIEF DESCRIPTION OF DRAWINGS
[0012] Figure 1 The utility model system extension diagram.
[0013] Figure 2 The utility model communication channel schematic diagram. DETAILED DESCRIPTION
[0014] For the foregoing and other technical content, features and effects of the utility model, in the following detailed description of the embodiment with reference to the accompanying drawings, it will be clearly presented. The structure content mentioned in the following embodiment is with reference to the drawings.
[0015] The various exemplary embodiments of the utility model will be described below with reference to the accompanying drawings.
[0016] The scheme realizes including ground center equipment and on-board equipment communicated through wireless communication network, the ground center equipment includes dispatching centralized system (CTC) or railway train dispatching command system (TDCS), wireless reloading server and external network communication server, the dispatching centralized system (CTC) is communicated with the wireless reloading server through T / D intermediate storehouse, the dispatching centralized system (CTC) still includes station centralized dispatching system, the on-board equipment includes locomotive integrated wireless communication device (CIR) and on-board wireless reloading device, the wireless reloading device is communicated with the ground center equipment through external network communication server, 4G / 5G network, the locomotive integrated wireless communication device (CIR) is communicated with the station centralized dispatching system through 450M / GSM-R network.
[0017] In the above or some embodiments, the locomotive integrated wireless communication device (CIR) the on-board wireless reloading device still sets up the protocol conversion device of RS422 to ETH, when using, ground wireless reloading server realizes temporary speed limit scheduling command wireless on-car function, and temporary speed limit scheduling command wireless on-car needs to do adaptive modification and realizes, finds corresponding locomotive model and locomotive number according to train, and sends the dispatching command of corresponding train to corresponding locomotive.
[0018] In the above or some embodiments, the dispatch center system (CTC) is communicatively connected with a T / D intermediate library, the T / D intermediate library obtains temporary speed limit text information from the CTC / TDCS; the T / D intermediate library is communicatively connected with a wireless reloading ground server through MQ message, and the wireless reloading ground server is communicatively connected through an Internet network.
[0019] In the above or some embodiments, the locomotive integrated wireless communication device (CIR) is communicatively connected with the protocol conversion device through an RS422 interface; and the protocol conversion device receives through an Ethernet network with the on-board wireless reloading unit.
[0020] The system can realize the LKJ train control scheme of the temporary speed limit dispatch command, and the real-time performance and safety of the LKJ temporary speed limit dispatch command control are improved through the double-channel communication connection mode.
Claims
1. A locomotive temporary speed limit dispatch command protection system, comprising a ground center device and an onboard device connected via a wireless communication network; The ground center equipment includes a centralized dispatching system, a wireless dressing server and an external network communication server, and the centralized dispatching system and the wireless dressing server are connected via a T / D intermediate library; The centralized dispatching system also includes a station centralized dispatching system; The vehicle-mounted equipment includes a locomotive integrated wireless communication device and a vehicle-mounted wireless switching device; the characteristics are: The wireless dressing device is connected to the ground center equipment through an external network communication server and a 4G / 5G network; The locomotive integrated wireless communication equipment is connected to the station centralized dispatching system via a 450M / GSM-R network.
2. The locomotive temporary speed limit dispatch command protection system according to claim 1, characterized in that: An RS422 to ETH protocol conversion device is also provided between the locomotive integrated wireless communication equipment and the on-board wireless switching device.
3. The locomotive temporary speed limit dispatch command protection system according to claim 2, characterized in that: The centralized dispatching system is connected to the T / D intermediate library in communication, and the T / D intermediate library obtains the temporary speed limit text information from CTC / TDCS; the T / D intermediate library is connected to the wireless reloading ground server in communication via MQ messages, and the wireless reloading ground server is connected in communication via the Internet network.
4. The locomotive temporary speed limit dispatch command protection system according to claim 2 or 3, characterized in that: The locomotive integrated wireless communication equipment is connected to the protocol conversion device through an RS422 interface; the protocol conversion device is received by the vehicle-mounted wireless conversion unit through Ethernet.