CN113888140A

CN113888140A - Mine auxiliary transportation intelligent management platform based on RFID technology

Info

Publication number: CN113888140A
Application number: CN202111292087.0A
Authority: CN
Inventors: 靳华伟; 王国荣; 王旭
Original assignee: Anhui University of Science and Technology
Current assignee: Anhui University of Science and Technology
Priority date: 2021-11-03
Filing date: 2021-11-03
Publication date: 2022-01-04
Anticipated expiration: 2041-11-03
Also published as: CN113888140B

Abstract

The invention discloses an intelligent management platform for mine auxiliary transportation based on RFID technology, which includes a cloud platform, a mine-used "one network" communication, auxiliary transportation equipment, RFID information coding and tracking equipment, a damper, and a switch controller. The identification technology combines the auxiliary transportation of mine materials with RFID tags, and establishes a three-in-one dynamic coding and visual tracking system for mine material information through the reader, handheld terminal and management platform fixed at key nodes. Under complex geological conditions, in view of the problems of multiple types, multiple targets, and multiple demands for coal-assisted transportation, as well as large changes in the slope of the transportation roadway, many slope changes, and many moving times, the intelligent management platform of the present invention is used to propose a secondary labeling method. Establish an intelligent coding system for coal warehousing, label material information, use the server to perform edge computing, analysis and processing on the collected label data through the LANDMARC algorithm, obtain the location information of the material, and use the Unity3D 3D software to "ground-to-ground" for auxiliary transportation. Modeling of "ground" and "ground-to-air" transshipment scenarios, combined with GIS geo-tracking technology to render and model the transportation scene, combining virtual and real, real-time display of material location screen on the dispatching platform to realize intelligent information management of coal and ore materials and auxiliary transportation Visual tracking.

Description

Mine auxiliary transportation intelligent management platform based on RFID technology

Technical Field

The invention relates to the technical field of RFID (radio frequency identification), belongs to the application field of the invention combining intelligent storage management, material auxiliary transportation and whole mine communication network arrangement of coal enterprises, and particularly relates to an intelligent management platform for mine material management and auxiliary transportation visual tracking, which automatically identifies material information, realizes dynamic material coding and is formed by integrating a platform, a handheld terminal and a fixed reader-writer into a whole.

Background

The mine material placing environment is chaotic, the in-out information registration operation is not standard, and one object has multiple codes and the storage information data management is chaotic. Under complicated geological conditions, the geological structure in mining area is unusual complicated, and the tunnel country rock is mostly compound soft rock, and the roof is broken easily and drops, the bottom plate is bloated seriously, and the tunnel slope change is great, becomes the slope, turns round many, and the subsidiary transport material is of a great variety in the pit, the demand point is more, involves many air doors, switch and the mutual cooperation of transshipment of multiple subsidiary transport equipment in the pit, can accomplish the subsidiary transport of material whole journey.

Traditional auxiliary transportation reprints the process comparatively complicated, involve the winch of shaft bottom parking lot to change electric locomotive, the electric locomotive of upper portion parking lot changes single track and hangs the transport vechicle, traditional reprints need when the vehicle reachs, the transport personnel stop, carry out the material reprint by reprinting personnel again, through the air door, during the switch, the transport personnel is manual opens the air door or dials the trouble, not only there is the potential safety hazard, and inefficiency, seriously restrict the development of auxiliary transportation, be the key that needs to solve urgently.

Coal mining area is in remote area more, and the auxiliary transport tunnel meanders, and electromagnetic signal can't penetrate the coal seam and realize the whole mine cover, and electromagnetic signal transmission loss is big for communication is not smooth in the pit, and system data can not in time be updated, and auxiliary transport vehicle's positional information and the material information can't be transmitted the management platform in the standard container, hardly realize emergency dispatch to the material that temporarily urgently needed, lack the visual pursuit to mine material auxiliary transport.

Disclosure of Invention

The invention mainly aims to design an intelligent management platform for mine auxiliary transportation based on an RFID technology. Based on a B/S framework, J2EE is used as a development platform, an auxiliary transportation intelligent management platform is designed and developed, mine material information is labeled by means of the technical advantages of RFID, a reader-writer arranged at an important node of auxiliary transportation detects radio-frequency signals sent by active labels on a standard container, a demodulation signal is transmitted to a server by an underground communication base station, the signals are analyzed by a background program, and the real-time position information of the materials is acquired by processing through a LANDMAC algorithm. The method comprises the steps of constructing a mine material and equipment coding system, taking a standard container as a carrier, building a database and establishing dynamic association with an active label to realize dynamic coding, modeling a transfer scene through Unity3D three-dimensional software, applying a GIS map tracking technology, and combining a roadway blindness-supplementing scheme of mine communication to realize intelligent management and visual tracking of the auxiliary transportation of the whole mine coal mine.

Aiming at the problems of multiple types, multiple targets, multiple demands and multiple transportation equipment relay of mine material auxiliary transportation and the problem of nonstandard and nonstandard mine material information management, the Internet and intelligent mine construction are combined, a software platform is compiled by means of a powerful computer network technology, RFID terminal equipment is selected, powerful technology and hardware support are provided for system realization, a management and control platform is established, and the development and practicability are further improved.

The utility model provides a mine auxiliary transportation intelligent management platform based on RFID technique, includes that coal enterprise logistics storage manages and the visual pursuit of auxiliary transportation:

the complex geological conditions refer to that the geological structure of a mining area is abnormal and complex, surrounding rocks of a roadway are mostly composite soft rocks, a top plate is easy to break and fall, a bottom plate is severe to bulge, the section of an auxiliary transportation roadway can reach 10-15 square meters, the advancing length of a coal face is short, the gradient change of the roadway is large, the gradient change and the turning are many, a single transportation vehicle cannot meet the transportation requirement, and multiple transportation devices such as a winch, an electric locomotive and a monorail crane are required to carry out relay transportation in the whole process;

the management platform is provided with an enterprise resource management (ERP) interface and transmits data acquired by material purchasing, warehouse entering and exiting information, gaps and management information to a corresponding system processing layer;

the database consists of static data and dynamic data, wherein the static data represents the state of an object under an objective condition, and the dynamic data represents the state of a certain object changing along with the change of time;

the auxiliary transportation unloading point worker quickly detects material information in the standard container through the handheld terminal and feeds misplaced and omitted information back to the dispatching platform in time;

the first-level tag adopts a passive tag, materials are delivered into and delivered out of the warehouse, checked and stored, after being checked, the information is written into the RFID passive tag, and a material information tagging mode is formed and used for material information management;

the secondary label adopts an active label, transmits a radio frequency signal, adopts a positioning algorithm to perform optimized positioning analysis and is used for real-time position tracking;

the auxiliary transportation roadway adopts an automatic air door and a turnout, and when materials are about to arrive, an instruction of a management platform can be received to control the opening and closing of the air door or the swinging of the turnout;

placing various materials in the auxiliary transportation standard container, constructing a database by using material information, and establishing dynamic association with the active tag, wherein when the material information in the material standard container changes, the upper computer can display the material information in real time;

the intrinsically safe gigabit intelligent access gateway of the system model selection is connected to an underground gigabit ring network switch through an optical cable, and supports the distributed underground main tunnels in chain type, ring type and tree type network structures;

the Supermap and Unity3D 3D engines are arranged on the platform to perform rendering modeling on the transportation scene, so that the auxiliary transportation scene is displayed more truly, and a material position picture is displayed in real time;

the RFID radio frequency tag adopts a mode of combining an active tag and a passive tag, adopts a reader-writer with an RS232/485 communication interface or WG26/34 communication protocol to write material information into the passive tag and write position information into the active tag, and finishes material marking and inventory operation of unloading point workers by matching with corresponding handheld terminals;

the RFID active tag carries out signal tracking based on signal strength information (RSSI), and adopts an optimized LANDMAC algorithm and a Fries (Friis) transmission formula through signal transmission power received by a reader-writer

Performing calculation to obtain position information of the standard container;

the RFID device is arranged at an important node of 'loading-rotating-unloading', signals collected by the RFID data collecting equipment and the middleware are uploaded to the data processing platform for analysis and processing, the state change of materials in the standard container is reflected in real time, and database information is updated in time, so that the management of a material system and the monitoring management of the RFID equipment are realized;

the mine communication signal blind area problem is that because underground coal mine roadways are complex in distribution, electromagnetic signals cannot penetrate through coal beds to realize full mine coverage, the underground coal mine roadways are different in length, and in addition, the transmission loss of the electromagnetic signals is large, multipath fading exists, so that the coverage range of each base station under the coal mine is very limited, and mine communication has a blind area;

the system visually tracks an RFID reader, a material management platform and a handheld terminal which are arranged at important nodes into a whole, and a complete information acquisition and material tracking system is constructed;

the management platform and the auxiliary transport vehicle establish a signal transmission interface, and the platform can timely and accurately extract state data and receive and issue control commands by combining software and hardware;

the mine auxiliary transportation process needs ground-to-ground transshipment, and the mine auxiliary transportation process comprises a mine LED display screen, a voice alarm device, a fixed car stopping device, a single-rail transshipment robot, an electric locomotive transportation robot and a flat car train equipment device, wherein all the devices can communicate with a management platform through an underground base station;

the mine auxiliary transportation relates to ground-to-air transshipment and comprises a mine LED screen, a fixed vehicle blocking device, an automatic turnout, a monorail crane transportation robot and an RFID reader-writer device, wherein the automatic turnout can receive a management platform dispatching instruction, and when an electric locomotive reaches a to-be-positioned position, the automatic turnout can trigger the instruction to complete turnout shifting;

the signal blind area problem is that because underground coal mine roadways are complex in distribution, electromagnetic signals cannot penetrate through coal beds to realize full mine coverage, the underground coal mine roadways are different in length, and in addition, the transmission loss of the electromagnetic signals is large, multipath fading exists, so that the coverage range of each base station under the coal mine is very limited, and mine communication has blind areas;

the mine equipment comprises an auxiliary transport vehicle, an air door turnout controller, an electronic display screen, a traffic light and a voice prompt system, a management platform masters material transport position information in real time according to the analysis and calculation of RFID position data, and the preparation state of each underground equipment is controlled or reminded through different interface protocols, so that the modernized and intelligent control of auxiliary transport is realized;

when the auxiliary transportation automatic monitoring device has a fault, fault alarm processing of a management platform system can comprise RFID reader alarm query, material warehouse abnormity query and vehicle alarm query interfaces, corresponding buttons are selected on a main page to enter corresponding interfaces, the serial number of the reader, the virtual position code number, whether the fault exists or not and the fault self-diagnosis function are displayed, and if the fault occurs seriously, an auxiliary transportation worker can press down an emergency alarm button;

air door, switch controller include main control unit, servo motor, servo hydraulic pressure mechanism, signal display and transmission system, and material management platform acquires material position information through the active label of analysis, gives the main control unit of air door, switch controller with the signal transmission through the AD conversion, and the main control unit is dialled the trouble according to scheduling instruction control air door switching or switch, realizes the automation mechanized work of air door, switch, guarantees that the subsidiary transport moves smoothly.

The invention has the beneficial effects that:

the invention designs and develops an auxiliary transportation management platform based on a B/S framework by means of an RFID (radio frequency identification) wireless radio frequency identification technology. Building a three-level coding system of the mine materials, building a database and a standard container to build dynamic association, reading radio frequency tag information in real time through RFID readers fixed at different positions, demodulating and processing signals through a baseband processing unit by a mine communication base station, and performing position analysis and calculation through a LANDMAC positioning algorithm to realize visual monitoring of dynamic coding and auxiliary transportation of the mine materials. Through three wireless blind-repairing technical schemes, the blind area problem possibly existing underground is thoroughly solved, the smoothness of network communication of the whole mine is guaranteed, the transshipment, the air door and the turnout which relate to the whole auxiliary transportation process are subjected to flow and standardized operation, the material information is labeled, the contact is established between the handheld terminal and the management platform, the material information is mastered in real time, the mechanization, intellectualization and standardization degree of the auxiliary transportation is improved, the cost is greatly reduced, the working reliability is improved, and the system is efficient, safe, time-saving and labor-saving.

Drawings

The invention will be further described with reference to the accompanying drawings.

FIG. 1 is a functional architecture diagram of a material management platform of the intelligent management platform of the present invention;

FIG. 2 is a schematic diagram of RFID dynamic visual tracking;

FIG. 3 is a system software flow diagram;

FIG. 4 is a flow chart of the material assisted transport visual monitoring of the present invention;

FIG. 5 is a flow chart of a bottom hole yard ground-to-ground transfer;

FIG. 6 is a flow chart of an upper yard "ground to air" transfer;

FIG. 7 is a flow chart of an unloading point material audit;

FIG. 8 is a mine communication network topology;

fig. 9 is a wireless communication blind-fill scheme.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the terms "ground-to-ground" and "ground-to-air" are used herein to describe the transfer process of the auxiliary transportation device, but these devices, components and elements should not be limited by these, and the described embodiments are only a part of embodiments of the present invention, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

A mine auxiliary transportation intelligent management platform based on RFID technology comprises dynamic encoding and auxiliary transportation visual tracking of mine materials:

as shown in fig. 1, the mine material intelligent management platform is mainly divided into three modules, namely a material management system, an RFID management system and a material scheduling system, wherein the material management system module mainly has functions of warehousing, ex-warehouse, transferring and checking, the RFID management system module mainly has functions of dynamic coding, real-time positioning and information reading and writing, and the material scheduling system module mainly has functions of vehicle identification, vehicle and object information cooperation and transportation path planning.

The mine material management platform, the air door and the turnout controller have data transmission, analysis, processing and control functions through an interface protocol, real-time complex interaction and edge calculation of data are achieved, different functional authorities are distributed to different workers, corresponding SQL Server scripts are generated by the script components according to different requests, analysis and processing are conducted by the core data processor, and intelligent decision-making of material auxiliary transportation is achieved.

The material management system module of the mine material intelligent management platform adopts an SQL Server database technology and mainly comprises material in-out warehouse information storage, material traceability manufacturer information storage, personnel information storage, user information storage and scheduling information storage. The method can perform the operations of adding and deleting the stored data, call the local server through background design and development, perform synchronous update in the database when registering the account number on the login interface and scheduling the material personnel, and maintain the normal functions of the data through the script commands of software and hardware running.

The material management platform configures different login authorities according to working requirements of different personnel, and warehouse management personnel and auxiliary transportation personnel perform corresponding operations by configuring a handheld terminal, such as a scheduling platform supervisor: distributing menus, roles, authorities, user login, real-time signal acquisition and emergency response, and ground square staff: distribution menu, material information management, RFID label management, user, role, unloading point staff: distribution menu, user and material information management.

As shown in fig. 2, for visual tracking of auxiliary transportation of mine materials, RFID read-write equipment is required to be arranged at key nodes of each demand point of a material warehouse outlet, a ground industrial square, a shaft bottom yard, an air door, a turnout, an upper yard and the material, an RFID reader-writer at each key node can collect tag information of an auxiliary transportation train, the tag information is uploaded to a dynamic coding and data processing platform through the RFID data collection equipment to demodulate and process radio frequency signals, the processed signals are displayed on a scheduling platform, and visual tracking of auxiliary transportation of the materials is realized.

The RFID fixed reader-writer is mainly used for receiving and transmitting radio frequency signals and comprises a radio frequency signal demodulation protocol and a data transmission protocol, the reader-writer is combined with a radio frequency label, an RS232 or 485 communication interface and a 4G or wifi6 connection mode are adopted based on a TCP/IP protocol, a physical framework of an intelligent Internet of things of mine materials is constructed, a data packet is used as a basic unit, cloud computing and B/S framework are applied, a cache information connection detector is used, and filtering label information is screened.

As shown in fig. 3, when the reader detects the radio frequency tag, the reader needs four processes including starting an RFID Thread, starting an active 2.4GHz Thread, and performing online detection of material information and analyzing serial data, so as to implement RFID communication signal reception and related data transmission. Starting the active 2.4GHz thread mainly refers to character format, frame structure and time sequence information initialization, allowing multiple tags to enter the range of a reader-writer and reasonably selecting the tags from the range. The material information on-line detection mainly includes that 20ms is selected as a cycle to carry out real-time detection on an active tag passing through a reader-writer, and collected tag information is preprocessed. Analyzing the serial port data mainly means decoding data collected by the reader through a microprocessor, judging whether tag information is consistent with a cooperative vehicle or not, and displaying material position information through a management platform.

The RFID reader detects active tag information, carries out position information calculation through a LANDMARC optimization algorithm, judges the position information of the auxiliary transport vehicle, if the auxiliary transport vehicle does not reach an air door/turnout, the auxiliary transport vehicle continues to move forwards, and if the auxiliary transport vehicle reaches the air door/turnout, the material management platform opens the air door/turnout through the controller in advance, so that the auxiliary transport vehicle can pass smoothly and efficiently.

As shown in fig. 4, the coal mine underground auxiliary transportation is implemented by a material management platform to dispatch a scheduling instruction after summarizing material demand information of each underground unloading point, and ground industrial square personnel transport materials in a warehouse to a ground industrial square stockpiling area according to a scheduling list, and specifically comprises the following steps:

the method comprises the following steps: the material management platform collects material information of each underground demand point, distributes corresponding standard containers according to the characteristics of the material information, and distributes an auxiliary transportation material scheduling list to handheld terminals of corresponding workers;

step two: the storage staff selects corresponding materials according to the scheduling list, the materials are conveyed to a ground industrial square of the mining area through a ground conveying vehicle, and the ground industrial square scheduling staff verifies the RFID label information of the materials;

step three: the mining area dispatching room carries the materials to a gantry crane according to the dispatching list, the gantry crane puts the materials into standard containers according to the material distribution list, and the intelligent loading system grabs the corresponding standard containers according to the dispatching instructions and loads the standard containers onto a winch;

step four: the device for releasing the car blocking of the winch train is characterized in that a transfer robot in a ground industrial square pushes a winch to be connected with a hook head car of a lifting machine, and the transfer robot is automatically released after the connection is confirmed;

step five: through an auxiliary wellhead, after passing through a one-slope three-gear device, position information is calculated through a LANDMARC optimization algorithm, when a transport train is close to a sloping parking spot, a management platform prompts information of vehicles and batches to be arrived through an LED display screen or a voice alarm, reminds a transshipment point worker to prepare, and dispatches a single-track transshipment robot to arrive at a specified position for waiting;

step six: judging the position information of the auxiliary transportation winch, if the auxiliary transportation winch does not reach the parking point on the sloping field, continuing to operate, if the auxiliary transportation winch does not reach the parking point on the sloping field, as shown in fig. 5, carrying out ground-to-ground transfer on a vehicle yard at the bottom of the well, starting a vehicle stopping device, fixing a transportation train not to slide down the slope, starting the monorail transfer robot to carry a standard container to the train, and repeatedly grabbing the standard container;

step seven: after the transfer is finished, the monorail transfer robot is separated, the electric locomotive transport robot is automatically connected with the transport train according to a scheduling instruction, the fixed vehicle stopping device is closed, and the electric locomotive transport robot starts to run;

step eight: the electric locomotive is transported in a roadway, LANDMARC optimization algorithm processing is carried out on radio frequency signals collected by a reader-writer arranged at an important node to obtain the position information of train transportation, and when the electric locomotive of the transport train close to an upper train yard turns around, a management platform prompts the information of the vehicles and the batches which are about to arrive through an LED display screen or a voice alarm;

step nine: positioning calculation is carried out through a server, electric locomotive position information is judged, if the electric locomotive position information is judged that the electric locomotive does not arrive at the upper yard, the auxiliary transport vehicle continues to advance, if the electric locomotive position information is judged to be close to the upper yard, ground-to-air transshipment of the upper yard is carried out as shown in figure 6, the information of the vehicles and the batches to arrive is prompted through a mining LED screen or a mining voice alarm, and a management platform dispatches a transshipment robot in advance to prepare for transshipment;

step ten: the management platform starts the train blocking device to prevent the train from sliding, the electric locomotive transport robot automatically unhooks, runs to the rear of the train through an automatic turnout of a turning train yard and is connected with the train, the train blocking device is closed, the electric locomotive pushes the train to advance to reach a position to be driven in of an upper train yard, and the electric locomotive drops the train;

step eleven: the management platform schedules the monorail crane transportation robot to reach the upper part of the train, the transshipment robot grabs a standard container and places the standard container on the monorail crane transportation robot, the grabbing operation is repeated, and after the transshipment is completed, the monorail crane transportation robot runs;

step twelve: as shown in fig. 7, in the unloading point material auditing flow chart, when the material reaches the unloading point, the corresponding standard container falls off, the unloading point worker checks the material information according to the scheduling list, the RFID passive tag is automatically scanned through the handheld terminal, the information management is performed on the operation interface, and the damaged or omitted material information is selected and uploaded to the management platform;

step thirteen: if the waste materials need to be conveyed to the ground, workers can select the corresponding waste material information to be uploaded to the platform through the handheld terminal to complete material information management of the unloading point, and the process is the whole auxiliary transportation process.

As shown in fig. 8, the mine one-network communication includes a communication base station, a smart phone, a core switch, an air door, a turnout controller, and an LED display device, in order to implement the network communication above the well and under the well, ensure the control of the management platform on the underground device and the processing of the RFID positioning algorithm, integrate the mine one-network communication and the characteristics of the RFID reader-writer in collecting tag information, build a mine auxiliary transportation communication network, and the RFID reader-writer directly transmits the information to a main server for data processing through the base station arranged under the well after detecting the active tag information, thereby improving the mine signal processing efficiency.

The communication base station adopts an intrinsic safety type gigabit intelligent access gateway deployed underground, is deployed at a distance of 600 meters, is butted with a gigabit interface of a gigabit ring network switch through a gigabit optical port, covers all areas of a mine with gigabit branches, and has the functions of ring network redundancy and WLAN management.

The communication base station provides a hundred-megabyte photoelectric interface, a CAN bus interface, an I/O interface, a 4G wireless access and a WIFI wireless access, and is provided with a human-vehicle-object accurate positioning sensing module, an environment sensing access module and a signal control module, and an intelligent transmission network and a universal sensing network for material management and auxiliary transportation are built.

As shown in fig. 9, in order to ensure reliable and effective communication in the underground coal mine, three blind area compensation schemes are proposed for the problem of network communication blind areas of the wireless communication system in the mine:

scheme 1: for the problem of blind repairing of roadways in common scenes, a networking mode with multiple base stations is adopted to enlarge the coverage range of underground wireless signals, the networking mode with multiple base stations can ensure the coverage of signals under a coal mine, eliminate communication blind areas, reduce the influence of multipath fading and improve the communication quality, so that base stations are required to be arranged in each roadway of a mine, the blind areas of wireless communication are eliminated, and the coverage of the underground wireless signals of the coal mine is realized;

scheme 2: when the wireless relay coverage area cannot be connected to a backbone network, a wireless relay blind-repairing technology is adopted, wireless signals are relayed and transmitted from one relay point to the next relay point by utilizing the wireless relay function of the AP, and a new wireless coverage area is formed, so that a plurality of wireless relay coverage point access modes are formed, and the purpose of extending the coverage area of a wireless network is finally achieved;

scheme 3: for the problem of signal blind areas caused by narrow and small tunnel bending, a leakage communication blind area compensation technology is adopted, a large number of bidirectional repeaters are adopted, functional modules of a leakage communication system are added in series of the repeaters, the problem of signal blind areas caused by the influence of tunnel shapes, cross sections, branches, turning, inclination and the external environment of a tunnel surrounding rock medium in the underground can be solved, and channel transmission is stable.

In particular, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. An intelligent management platform for mine auxiliary transportation based on RFID technology comprises a material management system, a material scheduling system and an RFID management system; the material management system comprises warehousing, ex-warehouse, transferring and checking functions; the material scheduling system comprises vehicle and object cooperation and path planning functions; the RFID management system comprises dynamic coding and real-time positioning functions, particularly based on a dynamic database, position information of a transport train is obtained through an RFID reader-writer arranged at a key node, and underground communication and wireless blind-repairing technologies are combined, so that the aim of assisting transportation in ground-to-ground transshipment of a vehicle yard at the bottom of a well, ground-to-air transshipment of a vehicle yard at the upper part and material information check management of unloading points in the well is fulfilled; the dynamic database adopts an SQL Server database management technology to realize the storage, application and management of data, efficiently stores data resources and realizes the management and visual tracking of mine material dynamic information, and the method specifically comprises the following steps:

the method comprises the following steps: the material management platform collects material information of each underground demand point, distributes corresponding standard containers according to the characteristics of the material information, and distributes an auxiliary transportation material scheduling list to the handheld terminal of corresponding staff;

step six: judging the position information of the auxiliary transportation winch, if the auxiliary transportation winch does not reach the slope parking point, continuing to operate, if the auxiliary transportation winch does not reach the slope parking point, carrying out ground-to-ground transfer of a bottom-hole yard, starting a vehicle stopping device, fixing a transportation train not to slide down a slope, starting the monorail transfer robot to carry a standard container to the train, and repeatedly grabbing the standard container;

step nine: positioning calculation is carried out through a server, electric locomotive position information is judged, if the electric locomotive position information is judged that the electric locomotive does not arrive at the upper yard, the auxiliary transport vehicle continues to advance, if the electric locomotive position information is judged to be close to the upper yard, ground-to-air transshipment of the upper yard is carried out, the information of the vehicles and the batches to arrive is prompted through a mining LED screen or a mining voice alarm, and a management platform dispatches a transshipment robot in advance to prepare for transshipment;

step twelve: when the materials reach the unloading point, the corresponding standard container is dropped off, the unloading point worker checks the material information according to the scheduling list, the RFID passive tag is automatically scanned through the handheld terminal, information management is carried out on an operation interface, and the damaged or omitted material information is selected and uploaded to a management platform;

2. The management platform of claim 1, wherein: the roadway blind-repairing technology is characterized in that because underground roadways of coal mines are complex in distribution and large in transmission loss of electromagnetic signals, blind areas exist in mine communication, and three blind-repairing schemes are provided for different blind area conditions:

scheme 3: for the problem of signal blind areas caused by narrow and small tunnel bending, a leakage communication blind area compensation technology is adopted, a large number of bidirectional repeaters are adopted, functional modules of a leakage communication system are added in series of the repeaters, the problem of signal blind areas caused by influences of external environments such as tunnel shapes, cross sections, branches, turning, inclination and tunnel surrounding rock media in the underground can be solved, and channel transmission is stable.

3. The management platform of claim 1, wherein: the ground-to-ground transshipment is characterized in that a winch is transferred to an electric locomotive, the winch is conveyed to a stopping point on a sloping field in a shaft bottom yard, a hook head vehicle is removed, a transshipment robot carries a standard container to a plate car train, and the electric locomotive is automatically butted with the train, so that the auxiliary transportation and transshipment process of the winch to the electric locomotive is realized.

4. The management platform of claim 1, wherein: the ground-to-air transshipment means that when the electric locomotive arrives at a designated position in an upper vehicle yard, the electric locomotive is disconnected, the electric locomotive runs to the tail part of the train through a turnout, the train is pushed to the upper vehicle yard, the management platform dispatches the monorail crane transportation robot to arrive above the train, and the transshipment robot grabs a standard container and places the standard container on the monorail crane transportation vehicle to realize the transshipment of the electric locomotive to the monorail crane.

5. The intelligent management platform of claim 1, wherein: the platform adopts three-dimensional engines such as Supermap and Unity3D to model key scenes of the transportation scene, adopts a GIS map to render auxiliary transportation roadways, displays the auxiliary transportation scene more truly, and displays a material position picture in real time.

6. The intelligent management platform of claim 1, wherein: the RFID radio frequency tag adopts a mode of combining an active tag and a passive tag, adopts a reader-writer with an RS232/485 communication interface or WG26/34 communication protocol to write material information into the passive tag and position information into the active tag, and completes material marking and inventory operation of unloading point workers by matching with corresponding handheld terminals.

7. The intelligent management platform of claim 1, wherein: the system visually tracks and constructs a set of complete information acquisition and material tracking system by integrating an RFID reader, a material management platform and a handheld terminal which are arranged at important nodes.