Full-automatic driving running state monitoring system for rail transportation of underground electric locomotive

Abstract

The utility model discloses a full-automatic driving operation state monitoring system for underground electric locomotive rail transportation, which is characterized in that an electric locomotive operation basic unit is used for completing basic operation of an electric locomotive body, power supply of an electric locomotive electric appliance circuit, PLC control and monitoring and displaying of real-time operation parameters of an upper computer, and ground production operation control is realized; the electric locomotive operation guarantee unit is used for monitoring and displaying operation state parameters of the electric locomotive in real time, accurate positioning and operation collision protection. According to the utility model, a single PLC (Programmable Logic Controller) control mode is adopted, each on-site operation link is in chain operation, the reliable operation of the system is ensured, a manual on-site working mode and a manual remote control ore loading mode are reserved, and the operation state of the electric locomotive is monitored, judged and analyzed through the locking operation of a computer automatic dispatching train and a track control system; information such as early warning and faults is automatically protected, safe and efficient operation of the electric locomotive is guaranteed, production organization efficiency is improved, and locomotive operation accidents are avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of fully automatic unmanned driving of electric locomotives, and in particular to a fully automatic driving operation status monitoring system for rail transportation of underground electric locomotives. Background Art

[0002] With the vigorous development of my country's digital economy, the use of artificial intelligence, unmanned driving and other technologies to realize the construction of intelligent mines is an inevitable trend for the development of mining enterprises. At the same time, mining enterprises are facing difficulties in recruiting, employing and retaining workers, and people's requirements for the working environment are getting higher and higher. The harsh rail transportation environment makes it even more difficult to recruit workers. The shift change time for personnel going up and down the mine also greatly shortens the effective transportation time. For decades, underground ore transportation has been entirely controlled by manual on-site control, with very backward production processes, high personnel density, high labor intensity and high risk. In addition, the fully automatic control and operating status parameter monitoring technology of unmanned electric locomotives still cannot meet the requirements of the complex rail transportation mining environment at high altitudes. Utility Model Content

[0003] The utility model aims to provide an underground electric locomotive rail transport fully automatic driving operation status monitoring system to solve the above problems.

[0004] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0005] A fully automatic driving operation status monitoring system for underground electric locomotive rail transportation includes an electric locomotive operation basic unit and an electric locomotive operation guarantee unit. The electric locomotive operation basic unit is used to complete the basic operation of the electric locomotive body, power supply of the electric locomotive electrical circuit, PLC control and real-time operation parameter monitoring and display of the upper computer, so as to realize ground production operation control; the electric locomotive operation guarantee unit is used to monitor and display the electric locomotive operation status parameters in real time, accurately locate, and protect against operation collision.

[0006] In order to further realize the utility model, the electric locomotive operation basic unit includes a power supply unit, a network communication unit, an electric locomotive unit, a loading unit, an underground track unit, an unloading unit and a crushing unit. The equipment power supply of the power supply unit is single-phase AC220V, which is powered by an online UPS to power the equipment at the transportation level. The on-board power supply system of the power supply unit is used to manage the working power supply of the electric locomotive and on-board equipment, and has a storage function and monitoring of the power supply status of the on-board power supply; various levels of voltage conversion (voltage conversion device), DC24V is used as the working power supply of the driving console and the on-board client, and DC12V is used as the working power supply of the on-board sensor, camera and positioning device; the network communication unit is used to complete the signal transmission between the electric locomotive unit, the loading unit, the underground track unit, the unloading unit and the crushing unit, and realize the interlocking control between the units.

[0007] In order to further realize the utility model, the electric locomotive operation guarantee unit includes an operation control unit, a safety protection unit, a scheduling unit, a precise positioning unit, a video monitoring unit and an electric locomotive operation parameter monitoring unit. The electric locomotive operation control unit, the safety protection unit, the scheduling unit, the precise positioning unit, the video monitoring unit and the electric locomotive operation parameter monitoring unit are connected through an RSTP interface to provide guarantee for the fully automatic, safe and reliable operation of the electric locomotive; the electric locomotive is used for local / remote function conversion. When in maintenance mode, the electric locomotive can be manually driven to avoid accidents caused by remote driving.

[0008] In order to further realize the utility model, the operation control unit is used to control the coordinated operation between each unit; the safety protection unit is used to realize the safety distance protection of the automatic operation of the electric locomotive. When the two vehicles are too close, the rear vehicle automatically brakes. When the distance is separated, the rear vehicle resumes automatic operation; the scheduling unit is used to dispatch the electric locomotive to the chute based on the position of the electric locomotive, the material level of the chute, and the last loading time; the precise positioning unit is used to provide an accurate data basis for the vehicle operation control unit and the safety protection unit; the precise positioning unit is provided with a speed encoder and a positioning tag, and the positioning tag is used to eliminate position deviation and correct the position of the electric locomotive to ensure the precise positioning function of the electric locomotive; the video monitoring unit is used for switching and controlling images of various sites on the network, and for image processing and image decompression functions, and the video information of the electric locomotive operation process is recorded by the server for easy viewing and on-demand, and is used for client access, front-end access, user authority classification, log query, alarm linkage setting, and voice interaction.

[0009] In order to further realize the utility model, the electric locomotive operation parameter monitoring unit includes an electric locomotive working status detection unit, a video information acquisition unit and an on-board controller unit. The electric locomotive working status unit is used to monitor the working condition of the electric power supply, the vehicle speed, the working status of the controller and the frequency conversion controller, and the real-time status of each actuator. The on-board controller unit is used to collect the working status information monitored by the electric locomotive working status unit, and transmit it to the core switch through the on-board client and the WIFI wireless base station communication. The core switch at the transportation level and the main switch in the main control room communicate in real time, and the operating data and video of the electric locomotive are transmitted to the upper computer in the control room for screen display. The detection results of the working status of the electric locomotive and the video signal are transmitted to the industrial computer in the control room through the WIFI network and the main ring network switch in the control room to communicate, so that the operator can understand the various working conditions on site in time.

[0010] Compared with the prior art, the utility model has the following beneficial effects:

[0011] The utility model adopts a single PLC control mode, and each operating link on site is chained to ensure reliable operation of the system, retaining the manual on-site working mode and the manual remote control loading mode. The fully automatic operation mode automatically dispatches trains through computers and the interlocking operation of the "track control" system, monitors, judges and analyzes the operating status of the locomotive, and automatically protects against early warning, fault and other information that appears, ensuring the safe and efficient operation of the locomotive, improving production organization efficiency, and avoiding locomotive operation accidents.

[0012] The utility model includes an electric locomotive operation basic unit and an electric locomotive operation guarantee unit. The electric locomotive operation basic unit is used to complete the basic operation of the electric locomotive body, the power supply of the electric locomotive electrical circuit, PLC control and the upper computer real-time operation parameter monitoring and display, so as to realize the ground production operation control; the electric locomotive operation guarantee unit is used to monitor and display the electric locomotive operation status parameters in real time, accurately locate, and operate collision protection, so as to ensure the safety and reliability of the electric locomotive's forward movement, loading and unloading of ore and other operation links. The upper computer control system adopts Siemens WCC, and the lower computer adopts Siemens PLC. The system stability is better, and the safe and reliable operation of the unmanned driving operation system is further guaranteed. The electric locomotive unmanned driving system can be better applied to complex mining environments, and the equipment used is mature and reliable, which reduces the safety hazards of the system operation process, has strong applicability, and good effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the structure of the utility model;

[0014] Figure 2 It is a schematic diagram of the connection relationship of each unit in the utility model; DETAILED DESCRIPTION

[0015] The utility model is further described below in conjunction with the accompanying drawings and specific implementation methods.

[0016] like Figure 1 As shown, it includes an electric locomotive operation basic unit and an electric locomotive operation guarantee unit;

[0017] like Figure 2 As shown, the electric locomotive operation basic unit is used to complete the basic operation of the electric locomotive body, power supply of the electric locomotive electrical circuit, PLC control and upper computer real-time operation parameter monitoring and display, and realize ground production operation control;

[0018] like Figure 2 As shown, the electric locomotive operation guarantee unit is used to monitor and display the electric locomotive operation status parameters in real time, accurately locate, and perform collision protection to ensure the safety and reliability of the electric locomotive's forward movement, loading and unloading of ore, and other operation links;

[0019] like Figure 1 and Figure 2As shown, the basic unit of electric locomotive operation includes power supply unit, network communication unit, electric locomotive unit, ore loading unit, underground track unit, ore unloading unit and crushing unit. The network communication unit is used to complete the signal transmission between the electric locomotive unit, ore loading unit, underground track unit, ore unloading unit and crushing unit, and realize the interlocking control between the units. The power supply of the power supply unit equipment is single-phase AC220V, which is taken from the power distribution box in the control room and supplied by the online UPS to power the equipment at the transportation level. The locomotive control system is an improved on-board power supply system, which is used to manage the working power supply of the electric locomotive and on-board equipment, and has the functions of power storage, monitoring of the power supply status of the on-board power supply, and voltage conversion of various levels. DC24V is used as the working power supply of the driving console and the on-board client; DC12V is used as the working power supply of the on-board sensor, camera and positioning device.

[0020] like Figure 1 and Figure 2 As shown, the electric locomotive operation guarantee unit includes an operation control unit, a safety protection unit, a dispatching unit, a precise positioning unit, a video monitoring unit, and an electric locomotive operation parameter monitoring unit, wherein the electric locomotive operation control unit, the safety protection unit, the dispatching unit, the precise positioning unit, the video monitoring unit, and the electric locomotive operation parameter monitoring unit are highly connected through the RSTP interface, providing guarantee for the fully automatic, safe and reliable operation of the electric locomotive. The electric locomotive has a local / remote conversion function. When in maintenance mode, the electric locomotive can be manually driven to avoid accidents caused by remote driving.

[0021] like Figure 1 and Figure 2 As shown, the electric locomotive operation control unit serves as the control core of the electric locomotive production operation, controlling the coordinated operation between various units; the safety protection unit can realize the safety distance protection of the electric locomotive automatic operation. When the two vehicles are too close to each other, the rear vehicle will automatically brake, and when the distance is separated, the rear vehicle will resume automatic operation; the dispatching unit will dispatch the electric locomotive to the chute based on the position of the electric locomotive, the material level of the chute, and the last loading time; the precise positioning unit provides an accurate data basis for the vehicle operation control unit and the safety protection unit; the precise positioning unit is equipped with a speed encoder and a positioning tag, which is used to eliminate position deviation and correct the position of the electric locomotive to ensure the precise positioning function of the electric locomotive; the video monitoring unit not only has the function of switching and controlling the images of various sites on the network, but also has the function of image processing and image decompression; the video information of the electric locomotive operation process is recorded on the server for easy viewing and on-demand viewing. The video monitoring center server center platform management software can control client access, front-end access, user authority classification, log query, alarm linkage setting, and voice interaction;

[0022] like Figure 1 and Figure 2As shown, the electric locomotive operating parameter monitoring unit is used for electric locomotive working status detection and video information collection. The electric locomotive working status includes the working condition of the electric power supply, the vehicle speed, the working status of the controller and the frequency converter, and the real-time status of each actuator. This working status information is collected by the on-board controller and transmitted to the core switch through the on-board client and the WIFI wireless base station communication. The core switch at the transportation level and the main switch in the main control room communicate in real time, and transmit the operating data and video of the electric locomotive to the upper computer in the control room for screen display. The detection results of the working status of the electric locomotive and the video signal are transmitted to the industrial computer in the control room through the WIFI network and the main ring network switch in the control room to facilitate the operator to understand the various working conditions on site in a timely manner.

[0023] The fully automatic unmanned driving system for electric locomotives designed by the utility model achieves the effects of reducing the number of people, increasing efficiency and improving the safety level.

[0024] After achieving fully automatic unmanned driving, the system can automatically calculate and complete functions such as track application and occupancy, positioning solution, automatic operation, remote switching, and safe operation protection, and continuously send control instructions to all locomotives and ore-laying machines, and the ore transportation efficiency will continue to improve. The collection and analysis of all key production data in the system are coordinated, combined with production information such as track occupancy, switch machine status, signal light status, locomotive position, heavy and empty status, material capacity of loading points, and loading point weights, and the locomotive operation goals are automatically allocated to achieve the purpose of safe operation of each marshaling locomotive.

Claims

1. A fully automatic driving operation status monitoring system for underground electric locomotive rail transportation, characterized in that: It includes an electric locomotive operation basic unit and an electric locomotive operation guarantee unit. The electric locomotive operation basic unit is used to complete the basic operation of the electric locomotive body, power supply of the electric locomotive electrical circuit, PLC control and real-time operation parameter monitoring and display of the upper computer, so as to realize ground production operation control; the electric locomotive operation guarantee unit is used to monitor and display the electric locomotive operation status parameters in real time, accurately locate, and operate collision protection.

2. The underground electric locomotive rail transportation fully automatic driving operation status monitoring system according to claim 1, characterized in that: The electric locomotive operation basic unit includes a power supply unit, a network communication unit, an electric locomotive unit, a loading unit, an underground track unit, an unloading unit and a crushing unit. The equipment power supply of the power supply unit is single-phase AC220V, which is powered by an online UPS to power the equipment at the transportation level. The on-board power supply system of the power supply unit is used to manage the working power supply of the electric locomotive and on-board equipment, and has a power storage function and monitoring of the power supply status of the on-board power supply; various levels of voltage conversion devices, DC24V is used as the working power supply of the driving console and the on-board client, and DC12V is used as the working power supply of the on-board sensor, camera and positioning device; the network communication unit is used to complete the signal transmission between the electric locomotive unit, the loading unit, the underground track unit, the unloading unit and the crushing unit, and realize the interlocking control between the units.

3. The underground electric locomotive rail transportation fully automatic driving operation status monitoring system as claimed in claim 2, characterized in that: The electric locomotive operation guarantee unit includes an operation control unit, a safety protection unit, a dispatching unit, a precise positioning unit, a video monitoring unit and an electric locomotive operation parameter monitoring unit. The electric locomotive operation control unit, the safety protection unit, the dispatching unit, the precise positioning unit, the video monitoring unit and the electric locomotive operation parameter monitoring unit are connected via an RSTP interface to provide guarantee for the fully automatic, safe and reliable operation of the electric locomotive; the electric locomotive is used for local / remote function conversion. When in maintenance mode, the electric locomotive can be manually driven to avoid accidents caused by remote driving.

4. The underground electric locomotive rail transportation fully automatic driving operation status monitoring system as claimed in claim 3, characterized in that: The operation control unit is used to control the coordinated operation between each unit; the safety protection unit is used to realize the safety distance protection of the automatic operation of the electric locomotive. When the two vehicles are too close to each other, the rear vehicle automatically brakes. When the distance is separated, the rear vehicle resumes automatic operation; the scheduling unit is used to dispatch the electric locomotive to the chute based on the position of the electric locomotive, the material level of the chute, and the last loading time; the precise positioning unit is used to provide an accurate data basis for the vehicle operation control unit and the safety protection unit; the precise positioning unit is provided with a speed encoder and a positioning tag, and the positioning tag is used to eliminate position deviation and correct the position of the electric locomotive to ensure the precise positioning function of the electric locomotive; the video monitoring unit is used for switching and controlling the images of each site in the network, and for image processing and image decompression functions, and the video information of the electric locomotive operation process is recorded by the server for easy viewing and on-demand, and is used for client access, front-end access, user authority classification, log query, alarm linkage setting, and voice interaction.

5. The underground electric locomotive rail transportation fully automatic driving operation status monitoring system as claimed in claim 4, characterized in that: The electric locomotive operation parameter monitoring unit includes an electric locomotive working status detection unit, a video information acquisition unit and an on-board controller unit. The electric locomotive working status unit is used to monitor the working condition of the electric power supply, the vehicle speed, the working status of the controller and the frequency conversion controller, and the real-time status of each actuator. The on-board controller unit is used to collect the working status information monitored by the electric locomotive working status unit, and transmit it to the core switch through the on-board client and the WIFI wireless base station communication. The core switch at the transportation level and the main switch in the main control room communicate in real time, and transmit the operating data and video of the electric locomotive to the upper computer in the control room for screen display. The detection results of the working status of the electric locomotive and the video signal are transmitted to the industrial computer in the control room through the WIFI network and the control room main ring network switch communication to facilitate the operator to understand the working conditions on site in a timely manner.

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