CN-117775782-B - Colliery coal slime in pit weighing transportation monitoring control system based on thing networking

CN117775782BCN 117775782 BCN117775782 BCN 117775782BCN-117775782-B

Abstract

The invention relates to the technical field of coal mine underground slime weighing, transferring and monitoring control, in particular to a coal mine underground slime weighing, transferring and monitoring control system based on the Internet of things, which comprises a transmission information acquisition and analysis module, a weighing area information acquisition and analysis module, a blanking information acquisition and analysis module, a current information acquisition module, a currently required coal slime to be transmitted confirmation module and a cloud database; according to the invention, the comprehensive coal slime loss coefficient corresponding to the transmission of the conveyor belt, the display abnormality evaluation index of the target weighing instrument and the comprehensive coal slime loss coefficient corresponding to the discharging process are analyzed, and simultaneously, the required coal slime weight to be transmitted is confirmed by combining the humidity of the coal slime and the damage information of the discharging hopper, so that the loss condition of the coal slime and the condition of affecting the coal slime loss factor are intuitively displayed, the required coal slime weight to be transmitted corresponding to the feeding area is ensured to meet the required coal slime weight to be transported, and the whole coal slime weighing and transporting process can be accurately and efficiently executed.

Inventors

LI YANFU
WANG GANG
ZHAO HONGCHAO
BAI XUE
HUA MINGCHI
HE GUANGJIE
WANG GUOHUI
FENG ZHIPENG
HOU JUNWEI
SUN NA
ZHU QI
LIU YU
MENG XIANGJUN
CHEN CHENG
ZHU MINGLIANG
WANG WENXUE
TAI WEIWEI
CHEN LU
CAO PENG

Assignees

沈阳煤炭科学研究所有限公司

Dates

Publication Date: 20260512
Application Date: 20231228

Claims (6)

1. Colliery underground coal slime weighing transportation monitoring control system based on thing networking, its characterized in that includes: the transmission information acquisition and analysis module is used for recording the weighing and transferring process of the underground coal slime of the target coal mine as a target process, monitoring the weight of the coal slime to be transmitted in the corresponding feeding area and the weight of the coal slime to be weighed in the discharging hopper of the weighing area during the transmission of each time of the conveying belt in the target process, and analyzing the comprehensive coal slime loss coefficient corresponding to the transmission of the conveying belt in the target process ; The weighing area information acquisition and analysis module is used for acquiring display values corresponding to the target weighing instrument during each weighing in the target process and analyzing display abnormality assessment indexes corresponding to the target weighing instrument in the target process ; The blanking information acquisition and analysis module is used for acquiring the weight of the coal slime to be transported in the target transport vehicle during each blanking in the target process and analyzing the comprehensive coal slime loss coefficient corresponding to the blanking process in the target process ; The current information acquisition module is used for extracting the weight of the coal slime required to be transported corresponding to the current target process and acquiring the humidity of the coal slime in the feeding area of the current target process and the damage information corresponding to the discharging hopper of the weighing area; The currently required coal slime confirmation module to be transmitted is used for calculating the viscosity corresponding to the coal slime in the feeding area of the current target process Breakage degree corresponding to blanking funnel of weighing area Thereby confirming the weight of the coal slime to be transmitted corresponding to the feeding area in the current target process; The cloud database is used for storing the loss coefficient of the coal slime transmitted by the unit conveyor belt, the abnormal evaluation index displayed by the unit and the weight of the compensation coal slime corresponding to the loss coefficient of the coal slime in the unit blanking process, and storing the weight of the compensation coal slime corresponding to the viscosity of the unit coal slime and the breakage degree of the unit blanking hopper; The comprehensive coal slime loss coefficient corresponding to the transmission belt transmission in the analysis target process comprises the following specific analysis processes: A1, respectively recording the weight of the coal slime to be transmitted in a corresponding feeding area and the weight of the coal slime to be weighed in a discharging funnel of a weighing area in each transmission of the transmission belt in the target process as And , wherein, The number indicating the transmission of the transmission band, ; A2, calculating the loss coefficient of the coal slime corresponding to each transmission belt transmission ; A3, comparing the coal slime loss coefficient corresponding to each transmission belt transmission with the coal slime loss coefficient corresponding to the transmission belt transmission of the set reference, if the coal slime loss coefficient corresponding to a certain transmission belt transmission is greater than or equal to the coal slime loss coefficient corresponding to the transmission belt transmission of the set reference, judging that the transmission belt transmission is abnormal transmission, counting the abnormal transmission number, and marking as ; A4, extracting the maximum value from the coal slime loss coefficient corresponding to each transmission belt transmission, and marking as ; A5, calculating a comprehensive coal slime loss coefficient corresponding to transmission of a transmission belt in the target process , , wherein, 、 And Respectively represents the coal slime loss amount duty ratio, the abnormal transmission number duty ratio and the coal slime loss coefficient of the set reference, And Respectively representing the set coal slime loss amount duty ratio, the abnormal transmission number duty ratio and the comprehensive coal slime loss evaluation duty ratio weight of the transmission of the corresponding transmission belt of the coal slime loss coefficient, Representing the number of transmission of the transmission band; The display abnormality evaluation index corresponding to the target weighing instrument in the target analysis process comprises the following specific analysis processes: B1, carrying out difference between a display value corresponding to the target weighing instrument during each weighing and the weight of the coal slime to be weighed in a discharging hopper of a weighing area to obtain a value display deviation corresponding to the target weighing instrument during each weighing; B2, constructing a numerical display deviation increasing curve of the target nominal measuring instrument by taking the weighing times as an abscissa and the numerical display deviation as an ordinate, positioning a slope value from the numerical display deviation increasing curve, and marking the slope value as the numerical display deviation increasing rate of the target nominal measuring instrument as ; B3, setting a numerical display deviation increase rate influence factor of the nominal measuring instrument ; B4, calculating a display abnormality evaluation index corresponding to the target weighing instrument in the target process , , wherein, A numerical value indicating a set reference indicates a deviation increase rate; The numerical value of the nominal measuring instrument of the set target shows the deviation increase rate influence factor, and the specific setting process is as follows: C1, constructing a reference datum line in a numerical value display deviation increasing curve of a target weighing instrument by taking a numerical value display deviation increasing rate of a set reference as a slope, positioning the weighing times above the reference datum line from the numerical value display deviation increasing curve of the target weighing instrument, taking the weighing times as deviation weighing times, and marking as the deviation weighing times ; C2, locating the amplitude value of the numerical display deviation and the total number of weighing times from the numerical display deviation increasing curve of the target measuring instrument, and respectively marking as And ; C3, calculating a numerical display deviation increase rate influence factor of the nominal measuring instrument , , wherein, And The deviation weighing times of the set reference are respectively represented by the ratio and the numerical value to display the amplitude of the deviation, And The set deviation weighing times duty ratio and the corresponding numerical display deviation amplitude value of the numerical display deviation are respectively represented to the numerical display deviation increase rate influence factor duty ratio weight, Representing natural constants; The comprehensive coal slime loss coefficient corresponding to the blanking process in the analysis target process comprises the following specific analysis processes: d1, comparing the weight of the coal slime to be transported in the target transport vehicle and the weight of the coal slime to be weighed in a discharging funnel of a weighing area during each discharging in the target process to obtain the loss weight of the coal slime corresponding to each discharging process, and recording as , wherein, The number of the blanking process is indicated, ; D2, extracting the maximum value from the loss weight of the coal slime corresponding to each discharging process, and marking as ; D3, calculating a comprehensive coal slime loss coefficient corresponding to the discharging process in the target process , , wherein, And Respectively representing the total weight ratio of the loss of the coal slime and the loss weight of the coal slime corresponding to the blanking process of the setting reference, And Respectively representing the total weight ratio of the coal slime loss corresponding to the set discharging process and the comprehensive coal slime loss evaluation duty ratio weight of the coal slime loss weight corresponding to the discharging process, Indicating the number of times of the blanking process.
2. The coal mine underground slime weighing, transferring and monitoring control system based on the Internet of things, which is characterized in that the calculation formula of the slime loss coefficient corresponding to each transmission belt transmission is as follows: , wherein, Indicating the deviation of the set allowable slime loss amount.
3. The underground coal mine slime weighing, transporting and controlling system based on the Internet of things, which is characterized in that the damage information comprises the number of damage positions and the damage area of each damage position.
4. The system for monitoring and controlling weighing and transferring of coal slime in a coal mine based on the Internet of things, which is characterized in that the method for calculating the viscosity of the coal slime in a feeding area of a current target process comprises the following specific calculation processes: e1, recording the humidity of the coal slime in the feeding area of the current target process as ; E2, calculating the viscosity of the coal slime in the feeding area of the current target process , , wherein, The slime humidity of the set reference is shown.
5. The system for monitoring and controlling weighing and transferring of coal slime in a coal mine based on the Internet of things, which is characterized in that the damage degree corresponding to a discharging funnel of a weighing area in the current target process is calculated, and the specific calculation process is as follows: F1, extracting the number of damaged positions and the damaged area of each damaged position corresponding to a discharging funnel of a weighing area in the current target process from the damaged information; F2, accumulating the damage areas of the corresponding damage parts of the discharging hopper of the weighing area in the current target process to obtain a total damage area, and recording the total damage area as ; F3, recording the number of the corresponding breakage parts of the discharging hopper of the weighing area in the current target process as ; F4, calculating the breakage degree corresponding to the blanking funnel of the weighing area in the current target process , , wherein, And Respectively represents the damage area and the number of damage positions of the set reference, And The set damage area and the number of damage positions are respectively represented as corresponding damage degree evaluation duty ratio weights.
6. The system for monitoring and controlling weighing and transferring of coal slime in a coal mine based on the Internet of things, as set forth in claim 5, is characterized in that the confirmation process of the weight of the coal slime to be transferred corresponding to the feeding area in the current target process is as follows: g1, recording the weight of the coal slime required to be transported corresponding to the current target process as ; G2, extracting a coal slime loss coefficient transmitted by a unit transmission belt, a unit display abnormality evaluation index and a compensation coal slime weight corresponding to the coal slime loss coefficient in a unit discharging process from a cloud database, and respectively recording as 、 And And extracting the weight of the compensation slime corresponding to the viscosity of the unit slime and the breakage degree of the unit blanking hopper, and respectively recording as And ; G3, will The value of (2) is taken as the weight of the coal slime to be transmitted corresponding to the feeding area in the current target process.

Description

Colliery coal slime in pit weighing transportation monitoring control system based on thing networking Technical Field The invention relates to the technical field of coal mine underground coal slime weighing, transferring and monitoring control, in particular to a coal mine underground coal slime weighing, transferring and monitoring control system based on the Internet of things. Background The weighing and transferring of the underground coal slime of the coal mine is a vital link in the production of the coal mine, the weight of the coal slime is ensured to reach the weight of the required transferred coal slime by carrying out the loss analysis of the coal slime of each link involved in the weighing and transferring of the underground coal slime of the coal mine, and meanwhile, the weighing and transferring process of the underground coal slime of the coal mine is monitored and controlled, so that the production efficiency can be remarkably improved and the production cost can be reduced, and the importance of monitoring and controlling the weighing and transferring process of the underground coal slime of the coal mine is self-evident. The existing monitoring and controlling of the underground coal slime weighing and transferring process of the coal mine also has the following problems that 1, only the loss condition of the coal slime in the whole process is analyzed, the loss condition of the coal slime in each process of the underground coal slime weighing and transferring process of the coal mine is not analyzed, so that the loss condition of the coal slime cannot be accurately known due to the fact that the greater error exists in the loss evaluation result of the coal slime in the whole process, the accuracy of confirming the weight of the required coal slime to be transferred corresponding to the feeding area in the current target process is reduced, and unnecessary resource waste is further increased. 2. The display condition of the asymmetric weighing instrument is analyzed, namely, the display abnormal condition corresponding to the target weighing instrument is not analyzed, so that the display accuracy of the weighing instrument cannot be ensured, and further, the defects of low accuracy, poor rationality and the like of a final analysis result exist, and the working reliability of the weighing instrument is reduced. 3. The slime condition and the blanking funnel condition in the current target process are not analyzed, namely the viscosity of the slime and the breakage degree of the blanking funnel are not analyzed, and factors causing the changes of the slime loss condition can not be considered from multiple aspects and multiple dimensions, so that an effective data support basis can not be provided for confirming the weight of the needed slime to be transmitted corresponding to the feeding area in the current target process. Disclosure of Invention In view of this, in order to solve the problems set forth in the above background art, a system for monitoring and controlling weighing and transferring of coal slime under coal mine based on internet of things is provided. The invention provides a coal mine underground coal slime weighing, transferring and monitoring control system based on the Internet of things, which comprises a transmission information acquisition and analysis module, a weighing and transferring module and a weighing module, wherein the transmission information acquisition and analysis module is used for recording a target coal mine underground coal slime weighing, transferring process as a target process, monitoring the weight of coal slime to be transmitted in a corresponding feeding area and the weight of coal slime to be weighed in a discharging funnel of a weighing area in each transmission belt transmission in the target process, and analyzing the comprehensive coal slime loss coefficient corresponding to the transmission belt transmission in the target process。 The weighing area information acquisition and analysis module is used for acquiring display values corresponding to the target weighing instrument during each weighing in the target process and analyzing display abnormality assessment indexes corresponding to the target weighing instrument in the target process。 The blanking information acquisition and analysis module is used for acquiring the weight of the coal slime to be transported in the target transport vehicle during each blanking in the target process and analyzing the comprehensive coal slime loss coefficient corresponding to the blanking process in the target process。 The current information acquisition module is used for extracting the weight of the required transfer coal slime corresponding to the current target process and acquiring the humidity of the coal slime in the feeding area of the current target process and the damage information corresponding to the discharging hopper of the weighing area. The currently required coal slime confirmatio