CN115630673A - Coal mine material intelligent distribution method based on Internet of things - Google Patents
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Abstract
The invention discloses an Internet of things-based coal mine material intelligent distribution method, which comprises the steps of firstly assigning codes to each collection vehicle and each material package, respectively binding the codes with each collection vehicle and each material package, then forming a data set by adopting historical data, establishing a material consumption prediction model based on the data set to predict the material consumption of each unit, and determining the material supplement time and the number of vehicles required by material supplement for intelligent regulation and control of material transportation.
Description
Technical Field
The invention relates to a material distribution method, in particular to an intelligent coal mine material distribution method based on the Internet of things, and belongs to the technical field of coal mine material transportation.
Background
The coal mine excavation needs a large amount of auxiliary materials such as fuel oil and explosive, anchor rods, spare and accessory parts and other equipment, is influenced by uncertain factors such as geological factors and roadway conditions, has damage phenomena, and can ensure the normal operation of coal mine production only by timely delivering consumed and damaged materials. However, the traditional material receiving and transporting mode has long flow and complex process, and needs to be changed urgently. Firstly, the material acceptance needs to be firstly examined and approved manually, so that a large amount of time is occupied, and the production progress is delayed. Secondly, the material units are usually independent units or individuals, so that the phenomena of multiple loading personnel, scattered loading sites, non-uniform loading standards and the like are caused. Thirdly, the material unit is in time and sufficient for pursuing the materials, a large amount of materials are generally prepared, but the materials are unloaded and used untimely, so that the vehicles are blocked and overstocked, and the vehicles cannot timely unload the materials for material transfer work in other places. Finally, if meeting the scene of emergency materials, the vehicles need to be adopted to transport the materials back and forth for multiple times in the material storage places, so that the efficiency is low, and potential safety hazards exist. Therefore, intelligent warehousing and intelligent scheduling are needed for coal mine material delivery, so as to solve the problems.
Although research results in intelligent warehousing and intelligent scheduling are abundant in the industry at present, the coal mine material coding and vehicle matching are in the beginning stage in recent years. In 2020, admitt, canada, developed an automated material inventory and delivery system for underground mines that uses electronic tags to track materials, which are transported from the ground to the work surface via a shaft and elevator, and then automatically loaded and unloaded using self-guided vehicles. In 2021, clearpath Robotics, canada, developed a driver support system for material transport vehicles, which assisted an operator in performing one or more transport tasks via a fleet management system, and performed material transport task dispatch and task path update based on task status during transport. In addition, a coal mine storage management system based on the internet of things is provided by a new energy collection company launched in 2014 before, and information sharing and real-time interaction of material data are realized by introducing a bar code technology to butt tag information and an ERP system. A coal mine underground auxiliary transportation material information management system is developed by a Shandong New Julong energy company in 2015, and material information and a bar code are bound through a bar code identification technology, so that fine management of coal mine underground equipment, materials and a transportation process is realized. In 2019, a set of coal mine intelligent logistics software based on an Android mobile platform is developed by Tiandi (Changzhou) Automation shares company, and the whole process of moving management of coal mine production materials from warehouse-out to use is realized by combining UHF ultrahigh frequency equipment and an RFID tag card. And the latest Xuzhou Kerui mining science and technology limited company in 2022 develops an intelligent material distribution system for a coal mine, and the system is used for positioning and tracking the whole process of mine material transportation to realize fine management of the mine.
In summary, the intelligent delivery of coal mine production materials is mainly in a single machine intelligent stage at present, preliminary exploration is carried out in the aspect of intelligent transportation based on the internet of things, and an intelligent transportation method integrating functions of material coding, whole-process information interaction, vehicle intelligent scheduling and material transportation monitoring is not formed, so that the method is the research direction of the industry.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides the coal mine material intelligent distribution method based on the Internet of things, which has the functions of material coding, whole-process information interaction, vehicle intelligent scheduling and material transportation monitoring integration, so that the accuracy and timeliness of coal mine material intelligent distribution are effectively ensured.
In order to achieve the purpose, the invention adopts the technical scheme that: an intelligent coal mine material distribution method based on the Internet of things comprises the following specific steps:
A. code assigning is carried out on each centralized transport vehicle and each material package: the UWB communication positioning integrated system is deployed in a mine, and if the mine exists, the system does not need to be deployed;
B. binding the codes with each container vehicle and each material package respectively: b, using UWB tags as active coding carriers of the coal mine truck, respectively writing the truck codes of the unique identifiers obtained in the step A into the UWB tags, and respectively fixing the UWB tags on the trucks after the completion; b, taking the radio frequency identification tags as passive coding carriers of the transported materials, respectively writing the material package codes of the unique identifiers obtained in the step A into the radio frequency identification tags, and respectively fixing the radio frequency identification tags on the material packages after the radio frequency identification tags are finished, so that the collection vehicles and the material packages are respectively bound with the corresponding codes;
C. intelligent regulation and control of material transportation: firstly, acquiring historical data of each unit material usage of a coal mine to form a data set, then constructing a material consumption prediction model based on an LSTM (long short term memory network) model according to the data set, inputting the surplus of each unit material into the material consumption prediction model after the completion, so that the model can predict the time consumed by each unit material, further providing suggestions of material supplement time and the number of vehicles required by material supplement, and starting intelligent regulation and control of material transportation according to the suggestions after the suggestions are confirmed by workers;
D. intelligent matching of the transport vehicle: according to the intelligent material transportation regulation and control scheme determined in the step C, when the material supplement time of one unit is reached, firstly, searching whether available collection vehicles exist in a certain range of the unit of the currently required materials through a coal mine management and control platform, and carrying out information interaction on the position of each collection vehicle and a UWB (ultra wide band) tag bound on each vehicle through a UWB (ultra wide band) communication and positioning integrated system to obtain the number of the available vehicles in the current range;
(1) if the number of the available vehicles is larger than the number of the vehicles required by the unit, the number of the required vehicles which are close to the current unit is selected from the available vehicles to serve as standby vehicles, the codes of the vehicles for the collection and transportation of the vehicles are confirmed, then path planning is carried out on the standby vehicles, the vehicles reach the current required material unit according to the planned path, and finally the materials of the current required material unit can be supplemented only by the material accumulation point and the current required material unit which are carried out by the collection and transportation vehicles in a reciprocating way once;
(2) if the number of the available vehicles is equal to the number of the vehicles required by the unit, determining each available vehicle as a standby vehicle, confirming the code of the transport vehicle of each vehicle, planning the path of each standby vehicle, enabling the vehicle to reach the current required material unit according to the planned path, and finally realizing the material supplement of the current required material unit only by enabling each transport vehicle to reciprocate once and by enabling the transport vehicle to reach the current required material unit;
(3) if the number of the available vehicles is less than the number of the vehicles required by the unit, determining each available vehicle as a standby vehicle, confirming the code of the transport vehicle of each vehicle, planning the path of each standby vehicle, enabling the vehicle to reach the current required material unit according to the planned path, and finally enabling each transport vehicle to reciprocate repeatedly according to the requirement to accumulate the material and the current required material unit, so that the material supplement of the current required material unit can be realized;
E. intelligent monitoring of loading and unloading of the container truck: when each transport vehicle carries out loading, firstly, the encoding information of the current transport vehicle is confirmed through a UWB (ultra wide band) tag, then each material packet is loaded into the transport vehicle, the radio frequency identification tag of each material packet is sequentially scanned to obtain the code of each material packet, after loading is finished, the code of each material packet on the transport vehicle and the encoding information of the current transport vehicle are uploaded to a coal mine control platform, and the corresponding binding of the code of each material packet and the encoding information of the current transport vehicle is finished;
in the transportation process of each transport vehicle, reading UWB (ultra wide band) label coding information of the transport vehicle through a UWB communication positioning integrated system so as to obtain the position of the current vehicle and coding information of each material bag loaded by the current vehicle;
when the collection vehicle unloads, firstly, the encoding information of the current collection vehicle is confirmed through a UWB (ultra wide band) tag, then each material package is unloaded from the collection vehicle, the radio frequency identification tag of each material package is sequentially scanned to obtain the code of each material package, after unloading is completed, the encoding information of each material package and the encoding information of the current collection vehicle are uploaded to a coal mine control platform, and the encoding of each material package and the encoding information of the current collection vehicle are unbundled.
Further, in the present invention, it is preferable that, in the step C, the historical data of the use of the unit materials comprises the production progress of the team material consumption rate, container stock of the pallet truck and one-way transport time of the pallet truck. The historical data can be used for more accurately predicting the consumption progress of the materials.
Further, the available vehicles are gathering vehicles without material bags in the vehicles, and are not in a state of being prepared for charging, and simultaneously, the roadway between the vehicles and the required vehicle units is in a passing state. The roadway in the passing state is not blocked by the barrier or accidents and the like do not occur, so that the smooth passing of the vehicle can be ensured; the available vehicles are determined by adopting the standard, the available vehicles can be ensured to smoothly reach the required vehicle units, and the subsequent material bag transportation work can be carried out.
Further, the range searched in the step D is adjusted and determined through a coal mine management and control platform. The search range can be adjusted according to needs by the arrangement, so that the number of vehicles meeting the needs can be acquired subsequently.
Further, the radio frequency identification tag is a passive RFID tag. With the passive RFID tag, it not only works stably, but also does not cause additional safety risks because the tag itself does not need a battery.
Compared with the prior art, the invention firstly codes each collection vehicle and each material package, respectively binds the codes with each collection vehicle and each material package, then forms a data set by adopting historical data, and predicts the material consumption of each unit by establishing a material consumption prediction model based on the data set, and determines the material supplement opportunity of each unit and the number of vehicles required by the supplement material, thereby carrying out intelligent regulation and control of material transportation.
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FIG. 1 is a schematic overall flow diagram of the present invention.
Detailed Description
The present invention will be further explained below.
As shown in fig. 1, the method comprises the following specific steps:
A. code assigning is carried out on each centralized transport vehicle and each material package: the method comprises the steps that codes are assigned to all the transport vehicles for coal mine material distribution and all material bags to be conveyed respectively, so that all the transport vehicles and all the material bags have codes with unique identifiers, the coding standard is based on national article codes and basic information universal standards, and the reference is made to relevant regulations of industrial internet identification analysis identification coding standards and the reference is made to coal mine material handbooks; the UWB communication positioning integrated system is deployed in a mine, and the system does not need to be laid if the mine exists; through the step, unique identification can be provided for each container truck and each transported material;
B. binding the codes with each container vehicle and each material package respectively: b, adopting UWB (ultra wideband) tags as active coding carriers of the coal mine collection vehicles, respectively writing the collection vehicle codes of the unique identifiers obtained in the step A into the UWB tags, and respectively fixing the UWB tags on the collection vehicles after the collection vehicle codes are written; b, taking the radio frequency identification tags as passive coding carriers of the transported materials, respectively writing the material package codes of the unique identifiers obtained in the step A into the radio frequency identification tags, and respectively fixing the radio frequency identification tags on the material packages after the radio frequency identification tags are finished, so that the collection vehicles and the material packages are respectively bound with the corresponding codes; the radio frequency identification tag is a passive RFID tag. With the passive RFID tag, it not only works stably, but also does not pose additional safety risks since the tag itself does not require a battery. The code is mutually associated and bound with the material package of the transport vehicle or the transported material respectively through the step;
C. intelligent regulation and control of material transportation: the method comprises the steps of firstly collecting historical data of use of each unit material of a coal mine to form a data set, wherein the historical data of use of each unit material comprises the production progress of a team, the material consumption speed, the container stock quantity of a transport vehicle and the one-way transportation time of the transport vehicle. The historical data can be used for more accurately predicting the consumption progress of the materials. Then, a material consumption prediction model is built based on an LSTM (long short term memory network) model according to the data set, and after completion, the surplus of each unit material is input into the material consumption prediction model, so that the model can predict the time consumed by each unit material, further suggestions of material supplement time and the number of vehicles required by material supplement of each unit are given, and after the suggestions are confirmed by workers, intelligent regulation and control of material transportation are started according to the suggestions; by the steps, when the material transportation process is initiated can be automatically determined, and the problems of the transported material and the transported position of the material can be automatically solved.
D. Intelligent matching of the transport vehicle: according to the intelligent material transportation regulation and control scheme determined in the step C, when the material supplement time of one unit is reached, firstly searching whether available collection vehicles exist in a certain range of the current required material unit through a coal mine management and control platform, wherein the available collection vehicles are collection vehicles without material bags in the vehicles and are not in a state of preparing for charging, and meanwhile, the roadway between the vehicles and the required vehicle unit is in a passing state (the roadway in the passing state is not blocked by obstacles or has no accidents and the like, so that the smooth passing of the vehicles can be ensured); the available vehicles are determined by adopting the standard, so that the available vehicles can be ensured to successfully reach the required vehicle units, and the subsequent material bag transportation work can be carried out. The position of each vehicle is obtained by information interaction with the UWB tag bound on each vehicle through the UWB communication positioning integrated system, so that the number of available vehicles in the current range is obtained; the available vehicles are mass-transfer vehicles without material bags in the vehicles and are not in a state of being prepared for charging. This ensures the recall of subsequent vehicles.
(1) If the number of the available vehicles is larger than the number of the vehicles required by the unit, the number of the required vehicles which are close to the current unit is selected from the available vehicles to serve as standby vehicles, the codes of the vehicles for the collection and transportation of the vehicles are confirmed, then path planning is carried out on the standby vehicles, the vehicles reach the current required material unit according to the planned path, and finally the materials of the current required material unit can be supplemented only by the material accumulation point and the current required material unit which are carried out by the collection and transportation vehicles in a reciprocating way once;
(2) if the number of the available vehicles is equal to the number of the vehicles required by the unit, determining each available vehicle as a standby vehicle, confirming the code of the transport vehicle of each vehicle, planning the path of each standby vehicle, enabling the vehicle to reach the current required material unit according to the planned path, and finally realizing the material supplement of the current required material unit only by enabling each transport vehicle to reciprocate once and by enabling the transport vehicle to reach the current required material unit;
(3) if the number of the available vehicles is less than the number of the vehicles required by the unit, determining each available vehicle as a standby vehicle, confirming the code of the transport vehicle of each vehicle, planning the path of each standby vehicle, enabling the vehicle to reach the current required material unit according to the planned path, and finally enabling each transport vehicle to reciprocate repeatedly according to the requirement to accumulate the material and the current required material unit, so that the material supplement of the current required material unit can be realized;
through the steps, the most appropriate vehicle can be automatically dispatched to undertake the transportation task in the intelligent regulation and control process of material transportation, so that the material supplement work of each unit is realized.
E. Intelligent monitoring of loading and unloading of the container truck: when each transport vehicle carries out loading, firstly, the encoding information of the current transport vehicle is confirmed through a UWB (ultra wide band) tag, then each material packet is loaded into the transport vehicle, the radio frequency identification tag of each material packet is sequentially scanned to obtain the code of each material packet, after loading is finished, the code of each material packet on the transport vehicle and the encoding information of the current transport vehicle are uploaded to a coal mine control platform, and the corresponding binding of the code of each material packet and the encoding information of the current transport vehicle is finished;
reading UWB (ultra wide band) label coding information of the transportation vehicles through a UWB communication positioning integrated system in the transportation process of each transportation vehicle, so as to obtain the position of the current vehicle and the coding information of each material bag loaded by the current vehicle;
when the vehicle for the gathering and transporting is unloaded, the encoding information of the current vehicle for the gathering and transporting is confirmed through a UWB (ultra wide band) tag, then each material package is unloaded from the vehicle for the gathering and transporting, the radio frequency identification tag of each material package is sequentially scanned to acquire the encoding of each material package, the encoding information of each material package and the encoding information of the current vehicle for the gathering and transporting are uploaded to a coal mine control platform after unloading is completed, and the encoding of each material package and the encoding information of the current vehicle for the gathering and transporting are unbound. The position and the state of each container vehicle can be the loading state, the transportation state or the unloading state, and each material package can be tracked in the loading state, the transportation state and the unloading state.
And D, adjusting and determining the searching range in the step D through a coal mine control platform. The search range can be adjusted according to the requirement, so that the number of vehicles meeting the requirement can be acquired subsequently.
The above description is only of the preferred embodiments of the present invention, and it should be noted that: it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the invention and these are intended to be within the scope of the invention.
Claims (5)
1. An intelligent coal mine material distribution method based on the Internet of things is characterized by comprising the following specific steps:
A. code assigning is carried out on each centralized transport vehicle and each material package: respectively coding each centralized transport vehicle for coal mine material distribution and each material bag to be transported, so that each centralized transport vehicle and each material bag have codes with respective unique identifiers;
B. binding the codes with each container vehicle and each material package respectively: b, using UWB tags as active coding carriers of the coal mine truck, respectively writing the truck codes of the unique identifiers obtained in the step A into the UWB tags, and respectively fixing the UWB tags on the trucks after the completion; b, taking the radio frequency identification tags as passive coding carriers of the transported materials, respectively writing the material package codes of the unique identifiers obtained in the step A into the radio frequency identification tags, and respectively fixing the radio frequency identification tags on the material packages after the radio frequency identification tags are finished, so that the collection vehicles and the material packages are respectively bound with the corresponding codes;
C. intelligent regulation and control of material transportation: firstly, acquiring historical data of the use of each unit material of a coal mine to form a data set, then constructing a material consumption prediction model based on an LSTM model according to the data set, inputting the residual quantity of each unit material into the material consumption prediction model after the completion, so that the model can predict the time consumed by each unit material, further providing suggestions of material supplement time and the number of vehicles required by material supplement, and starting intelligent regulation and control of material transportation according to the suggestions after the suggestions are confirmed by workers;
D. intelligent matching of the transportation vehicles: according to the intelligent material transportation regulation and control scheme determined in the step C, when the material supplement time of one unit is reached, firstly, searching whether available collection vehicles exist in a certain range of the unit of the currently required materials through a coal mine management and control platform, and carrying out information interaction on the position of each collection vehicle and a UWB (ultra wide band) tag bound on each vehicle through a UWB (ultra wide band) communication and positioning integrated system to obtain the number of the available vehicles in the current range;
(1) if the number of the available vehicles is larger than that of the vehicles needed by the unit, the number of the needed vehicles close to the current unit is selected from the available vehicles to serve as standby vehicles, the codes of the vehicles for collecting and transporting are confirmed, then path planning is carried out on the standby vehicles, the vehicles reach the current needed material unit according to the planned path after the path planning is finished, and finally, the materials of the current needed material unit can be supplemented only by the materials accumulating point and the current needed material unit which are repeatedly moved by the vehicles for collecting and transporting once;
(2) if the number of the available vehicles is equal to the number of the vehicles required by the unit, determining that each available vehicle is a standby vehicle, confirming the code of the transportation vehicle of each vehicle, planning the path of each standby vehicle, enabling the vehicle to reach the current required material unit according to the planned path, and finally realizing the material supplement of the current required material unit only by enabling each transportation vehicle to reciprocate once to accumulate the material and the current required material unit;
(3) if the number of the available vehicles is less than the number of the vehicles required by the unit, determining each available vehicle as a standby vehicle, confirming the code of the transportation vehicle of each vehicle, planning the path of each standby vehicle, enabling the vehicle to reach the current required material unit according to the planned path, and finally enabling each transportation vehicle to reciprocate repeatedly according to the requirement to accumulate the material and the current required material unit, so that the material supplement of the current required material unit can be realized;
E. intelligent monitoring of loading and unloading of the container truck: when each transport vehicle carries out loading, firstly, the encoding information of the current transport vehicle is confirmed through a UWB (ultra wide band) tag, then each material packet is loaded into the transport vehicle, the radio frequency identification tag of each material packet is sequentially scanned to obtain the code of each material packet, after loading is finished, the code of each material packet on the transport vehicle and the encoding information of the current transport vehicle are uploaded to a coal mine control platform, and the corresponding binding of the code of each material packet and the encoding information of the current transport vehicle is finished;
reading UWB (ultra wide band) label coding information of the transportation vehicles through a UWB communication positioning integrated system in the transportation process of each transportation vehicle, so as to obtain the position of the current vehicle and the coding information of each material bag loaded by the current vehicle;
when the vehicle for the gathering and transporting is unloaded, the encoding information of the current vehicle for the gathering and transporting is confirmed through a UWB (ultra wide band) tag, then each material package is unloaded from the vehicle for the gathering and transporting, the radio frequency identification tag of each material package is sequentially scanned to acquire the encoding of each material package, the encoding information of each material package and the encoding information of the current vehicle for the gathering and transporting are uploaded to a coal mine control platform after unloading is completed, and the encoding of each material package and the encoding information of the current vehicle for the gathering and transporting are unbound.
2. The internet-of-things-based coal mine material intelligent distribution method according to claim 1, wherein the historical data of unit material use in the step C comprises team production progress, material consumption speed, container stock amount of the transport vehicle and one-way transportation time of the transport vehicle.
3. The intelligent Internet of things-based coal mine material distribution method according to claim 1, wherein the available vehicles are gathering vehicles without material bags in the vehicles and are not in a state of being ready for charging, and a roadway between the vehicles and a required vehicle unit is in a passing state.
4. The Internet of things-based coal mine material intelligent distribution method according to claim 1, wherein the range searched in the step D is determined by coal mine management and control platform adjustment.
5. The Internet of things-based coal mine material intelligent distribution method according to claim 1, wherein the radio frequency identification tag is a passive RFID tag.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117114534A (en) * | 2023-08-28 | 2023-11-24 | 浙江中之杰智能系统有限公司 | Block chain-based product factory internal logistics management method and system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117114534A (en) * | 2023-08-28 | 2023-11-24 | 浙江中之杰智能系统有限公司 | Block chain-based product factory internal logistics management method and system |
| CN117114534B (en) * | 2023-08-28 | 2024-03-26 | 浙江中之杰智能系统有限公司 | Block chain-based product factory internal logistics management method and system |
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