CN112326502A - Coal and gas outburst parameter determination and transmission system and method - Google Patents
Coal and gas outburst parameter determination and transmission system and method Download PDFInfo
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Abstract
The invention relates to a coal and gas outburst parameter measuring and transmitting system and a method, and belongs to the technical field of coal mine safety. The method comprises the steps of firstly desorbing and measuring the gas desorption pressure by a coal sample gas pressure desorption and measurement device, then the desorption pressure value is transmitted to a gas outburst parameter tester researched and developed based on a mining explosion-proof smart phone in a low-power consumption Bluetooth communication mode at regular time through a gas desorption pressure transmission module, further, gas outburst parameters such as drilling cuttings gas desorption indexes K1 or delta h2 are calculated through a built-in measurement control program, comparing the prediction result with a preset critical value to obtain a gas outburst prediction conclusion, connecting the prediction conclusion to an underground transmission network and a ground transmission network by means of a WIFI communication mode, finally uploading the gas outburst parameters and the prediction conclusion to a gas outburst parameter determination management platform to form a working surface outburst prevention prediction report for printout or query analysis, therefore, the portable measurement calculation, transparent transmission and centralized display of the gas outburst parameters are realized under the condition of lower power consumption.
Description
Technical Field
The invention belongs to the technical field of coal mine safety, and relates to a coal and gas outburst parameter measurement and transmission system and method.
Background
At present, with the successive advance of informatization basic engineering such as coal mine 'bigenesis' fusion, 'multi-network' fusion and the like, the gas outburst parameter determination and transmission technical method of the outburst mine is gradually developed towards informatization and intellectualization, but a mature and complete system and method for quickly, accurately and conveniently determining, timely, safely and transparently transmitting to ground information equipment from underground are not formed. In the aspect of a gas outburst parameter measuring device, a gas pressure desorption module, a gas desorption pressure measuring module, a gas outburst parameter K1 value or delta h2 value calculating module are integrally designed in the conventional gas outburst parameter measuring instrument, a single chip microcomputer is usually used as a control and calculating device of the whole device, and the gas outburst parameter measuring instrument integrates wireless communication modules such as WIFI, Bluetooth and ZigBee and the like as a wireless transmission device for measuring results, but the problems of poor expandability of instrument control software, unfriendly instrument operation interfaces and the like exist, for example, parameters such as the name of a working face, the number of a sampling drill hole, the depth of a sampling position, whether power phenomena exist during drilling and the like are very difficult to input through an instrument control panel, most instruments can only input English letters and numbers, and cannot input Chinese characters; in the aspect of information transmission of gas outburst parameters, prediction conclusions and the like, the conventional measurement transmission method generally comprises the steps of carrying a gas outburst parameter measurement instrument to the ground, then inquiring parameters one by one through an instrument control panel, manually copying the parameters to a paper gas outburst prediction report form or inputting computer files, or receiving the gas outburst parameters and the prediction conclusion information through a simple control program after connecting to a computer through a serial communication interface or a WIFI wireless communication interface built in the instrument, so that the sharing and synchronization of basic information of a working surface and critical values of the gas outburst parameters among a plurality of instruments cannot be realized, and the temporary establishment of the information of the working surface under the well and the immediate measurement of the gas outburst parameters cannot be realized.
In view of the above problems, there is an urgent need to develop a more advanced gas outburst parameter measurement and transmission system and method integrating rapid, accurate and convenient underground measurement of gas outburst parameters and timely, safe and transparent transmission, so as to solve the problems of instrument function solidification, poor expandability of control software, poor convenience in user operation and the like in the gas outburst parameter measurement process, and the problems of poor timeliness, incapability of ensuring safety, non-transparency in the transmission process and the like in the information transmission process of the gas outburst parameters, prediction conclusions and the like.
Disclosure of Invention
In view of the above, the present invention provides a system and a method for measuring and transmitting coal and gas outburst parameters. The system and the method firstly desorb and measure the gas desorption pressure by the coal sample gas pressure desorption and measurement device, then the desorption pressure value is transmitted to a gas outburst parameter tester based on the mining explosion-proof smart phone at regular time through a gas desorption pressure transmission module, further calculating the drill cuttings gas desorption index K1 or delta h2 through the control software of the gas outburst parameter tester, and is connected to an underground transmission network and a ground transmission network through a WIFI wireless communication module, and finally, the gas outburst parameters and the gas outburst prediction conclusion are uploaded to a gas outburst parameter measurement management platform to form a working surface outburst prevention prediction report for printing output or query analysis, therefore, the gas outburst parameters can be rapidly, accurately and conveniently measured under the condition of lower power consumption, and the gas outburst parameters and the forecast conclusion information can be timely, safely and transparently transmitted and managed in a centralized manner.
In order to achieve the purpose, the invention provides the following technical scheme:
a coal and gas outburst parameter measurement transmission system and method are characterized in that: the method comprises the following steps:
s1: starting a gas outburst parameter determination control program in a gas outburst parameter determination instrument, starting a coal sample gas desorption determination transmission device through a gas desorption device control panel, establishing a Bluetooth transmission channel between the gas outburst parameter determination instrument and the gas desorption determination transmission device through a gas desorption determination device connection module, starting a gas outburst parameter determination module in the control program, and selecting a working surface and inputting or selecting a used gas outburst parameter critical value;
s2: selecting a current predicted drilling hole number by a gas outburst parameter tester, and automatically starting countdown by a program after sending a 'start powder receiving' instruction;
s3: firstly, sending a 'start powder receiving' instruction through a program, then loading crushed and screened qualified coal sample powder into a coal sample desorption bin of a coal sample gas desorption measurement transmission device and sealing the coal sample desorption bin, then sending a 'start measurement' instruction through a gas outburst parameter measurement module, sending a gas desorption pressure value to a gas desorption pressure receiving module through a low-power consumption Bluetooth transmission channel by the gas desorption pressure transmission module every 30 seconds, and displaying the gas desorption pressure value in an interface of the gas outburst parameter measurement module;
s4: after the gas outburst parameter determination module receives 10 gas desorption pressure values, auxiliary prediction parameters such as sampling hole depth, the current position and the measured drilling cuttings quantity S in the last meter are prompted to be input in a vibration mode, the drilling cuttings gas desorption index value in the current hole depth is calculated, and the calculated and input gas outburst parameters are displayed in the gas outburst parameter determination module;
s5: when gas outburst parameters of other depths of the current drill hole are measured, clicking 'start powder receiving' in the gas outburst parameter measuring module and switching to S3, and if the gas outburst parameters of all the depths of the current drill hole are measured, prompting a user whether to continuously measure the next drill hole;
s6: after the gas outburst parameters of all depths of each predicted drill hole are measured, clicking a 'outburst prediction' button of a gas outburst parameter measuring module to execute gas outburst risk prediction, and directly connecting a gas outburst parameter printer to print and output a prediction conclusion;
s7: after the task of measuring the gas outburst parameters is completed, a gas outburst parameter measuring control program built in a gas outburst parameter measuring instrument is started in an area with underground transmission communication network signals, and the gas outburst parameters in a gas outburst parameter measuring and managing platform are called to upload a Web service program and upload gas outburst parameters and prediction conclusions by virtue of an underground transmission communication network and a ground transmission communication network through a gas outburst prediction information synchronization module and a gas outburst parameter transmission module;
s8: after the gas outburst parameters are uploaded to a Web service program and the gas outburst parameters and a prediction conclusion are received, the gas outburst parameters are stored in a gas outburst parameter determination database;
s9: the method comprises the steps of calling a gas outburst parameter management Web service program to retrieve and generate a working face outburst prevention prediction report through a gas outburst parameter determination management program on a computer terminal connected to a ground transmission communication network, manually supplementing gas outburst prediction drilling construction parameters, then printing and outputting, and examining, approving or archiving the report.
Optionally, S1 specifically includes:
s11: before the gas outburst parameter is measured, a working face information management module of a gas outburst parameter measurement control program is started, a Web service program is uploaded through a gas outburst parameter, the latest working face information and a gas outburst parameter critical value are downloaded from a gas outburst parameter measurement database, and the working face information is newly built or modified through the gas outburst parameter measurement control program and is uploaded to the gas outburst parameter measurement database;
s12: the desorption measurement transmission device is started through the control panel, and the routine self-checking operation of zero calibration (122) and full calibration (124) can be executed;
s13: a traditional Bluetooth transmission channel is established between the gas outburst parameter tester and the gas desorption measurement transmission device through the gas desorption measurement device connecting module, so that the gas outburst parameter measurement module is started, a working surface is selected, and a gas outburst parameter critical value is input or selected to be used.
Optionally, S3 specifically includes:
s31: a 'powder receiving start' instruction is sent by a gas outburst parameter measuring module, the program automatically starts countdown, and a 'measurement start' instruction can be sent after the countdown is finished;
s32: filling the crushed and screened qualified coal sample powder into a coal sample desorption bin of a coal sample gas desorption measurement and transmission device (1), sealing the coal sample desorption bin, and waiting for the completion of countdown;
s33: the gas desorption pressure measuring device measures the gas desorption pressure at regular time and transmits the gas desorption pressure to the gas desorption pressure transmission device;
s34: the system finishes countdown, sends a 'start measurement' instruction, and the gas outburst parameter determination module automatically sends a request for inquiring the gas desorption pressure value once every 30 seconds;
s35: the gas burst parameter determination module receives a gas pressure desorption value every 30 seconds and displays it in a table or graph form in the user interface.
Optionally, S6 specifically includes:
s61: the parameter measurement of each depth of all the drill holes is completed, and the maximum value of the gas outburst parameter, the corresponding measured drill holes and the concentration and the prediction conclusion are displayed by clicking 'outburst prediction';
s62: and printing and outputting the gas outburst parameters and the prediction conclusion through a portable gas outburst parameter printer.
A coal and gas outburst parameter measurement transmission system is characterized in that: the system comprises a gas outburst parameter tester, a coal sample gas desorption measurement transmission device, a gas outburst parameter printer, a gas outburst parameter measurement management platform, an underground transmission communication network and a ground transmission communication network.
Optionally, the gas outburst parameter measuring instrument is installed in a portable intelligent mining explosion-proof intelligent mobile phone formed by a built-in gas outburst parameter measuring control program, and the measuring instrument comprises: the system comprises a gas desorption pressure receiving module, a gas outburst parameter measuring and controlling program, a gas outburst parameter printing and outputting module and a gas outburst parameter uploading and communicating module; the gas outburst parameter measurement control program comprises: the system comprises a working face basic information management module, a gas desorption and determination device connecting module, a gas outburst parameter determination module, a gas outburst prediction information management module, a gas outburst prediction information synchronization module and a system parameter configuration module;
one side of the gas outburst parameter measuring instrument is connected with the coal sample gas desorption measurement transmission device to receive the gas desorption pressure of the coal sample and calculate the gas outburst parameter, and the other side of the gas outburst parameter measuring instrument is connected with the gas outburst parameter printer in a traditional Bluetooth communication mode to output the gas outburst parameter and a prediction conclusion, and is connected with the gas outburst parameter measurement management platform by means of an underground transmission communication network and a ground transmission communication network to perform integrated storage, report generation and analysis display on the gas outburst parameter and the prediction conclusion.
Optionally, the coal sample gas desorption determination transmission device comprises: the device comprises a control panel of a gas desorption device, a coal sample gas pressure desorption bin, a gas desorption pressure measuring device and a gas desorption pressure transmission device;
the coal sample gas desorption determination transmission device (1) is connected with a gas outburst parameter determination instrument through a gas desorption pressure transmission module.
Optionally, the gas outburst parameter measurement management platform comprises: and the gas outburst parameter uploading Web service program, the gas outburst parameter measuring database, the gas outburst parameter management Web service program and the gas outburst parameter measuring management program.
Optionally, the gas outburst parameter printer is connected with the gas outburst parameter measuring instrument in a traditional Bluetooth communication mode, receives control of the gas outburst parameter measuring instrument, and prints and outputs gas outburst parameters and prediction conclusions.
The invention has the beneficial effects that: the invention provides a coal and gas outburst parameter determination and transmission system and a method, which aims at the problems of poor expandability, inconvenient information input, poor timeliness, large workload, low transparency and the like in the transmission process of a gas outburst prediction conclusion of the current gas outburst parameter determination instrument, provides a novel gas outburst parameter determination instrument with highly extensible software by taking a mining explosion-proof smart phone as a carrier, separating the coal sample gas desorption and gas desorption pressure measurement function of the traditional gas outburst parameter determination instrument from the gas outburst parameter calculation and uploading function, realizing data transmission and control through a low-power consumption Bluetooth transmission channel, and having rich gas outburst parameter and prediction conclusion information output interfaces and reusability, not only supporting the on-site direct printing and outputting of the gas outburst prediction conclusion, but also timely uploading the gas outburst parameter and conclusion to the gas outburst parameter determination instrument through an underground transmission communication network and a ground transmission communication network And the data measurement management platform reliably stores the data, and further automatically generates a working face outburst prevention prediction report, inquires, counts and analyzes gas outburst parameters and prediction conclusions.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention may be realized and attained by the means of the instrumentalities and combinations particularly pointed out hereinafter.
Drawings
For the purposes of promoting a better understanding of the objects, aspects and advantages of the invention, reference will now be made to the following detailed description taken in conjunction with the accompanying drawings in which:
FIG. 1 is a schematic view of a gas outburst parameter measurement system according to the present invention;
FIG. 2 is a schematic diagram of a gas outburst parameter measurement and transmission system according to the present invention;
FIG. 3 is a schematic structural view of a coal sample gas desorption pressure measurement transmission device provided by the invention;
fig. 4 is a flow chart of a gas outburst parameter measurement and transmission method provided by the invention.
Reference numerals: 11 is a coal sample gas pressure desorption bin, 12 is a gas desorption device control panel, 121 is a power supply button, 122 is a zero calibration button, 123 is a backlight button, 124 is a full calibration button and 125 is a liquid crystal display screen.
Detailed Description
The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention. It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention in a schematic way, and the features in the following embodiments and examples may be combined with each other without conflict.
Wherein the showings are for the purpose of illustrating the invention only and not for the purpose of limiting the same, and in which there is shown by way of illustration only and not in the drawings in which there is no intention to limit the invention thereto; to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by terms such as "upper", "lower", "left", "right", "front", "rear", etc., based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not an indication or suggestion that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes, and are not to be construed as limiting the present invention, and the specific meaning of the terms may be understood by those skilled in the art according to specific situations.
Please refer to fig. 1-4, which illustrate a system and a method for determining and transmitting coal and gas burst parameters.
Fig. 2 is a configuration diagram of a coal and gas burst parameter measurement and transmission system according to the present invention, and as shown in fig. 2, the coal and gas burst parameter measurement and transmission system of the present embodiment includes:
the coal sample gas desorption measurement transmission device, as shown in fig. 3, includes: the coal sample gas pressure desorption bin 11 and the gas desorption device control panel 12 are used for providing a coal sample gas equal-volume desorption container, measuring and transmitting the coal sample gas desorption pressure;
the gas outburst parameter measuring instrument comprises a gas desorption pressure receiving module, a gas outburst parameter measuring control program, a gas outburst parameter printing and outputting module and a gas outburst parameter uploading communication module, and is used for calculating gas outburst parameters according to the gas desorption pressure of a coal sample, inputting gas outburst prediction auxiliary parameters, executing gas outburst prediction, printing, storing and uploading gas outburst parameters and conclusions;
the gas outburst parameter printer is used for receiving the control from the gas outburst parameter tester and printing and outputting gas outburst parameters and a prediction conclusion;
the gas outburst parameter measurement management platform comprises a gas outburst parameter uploading Web service program, a gas outburst parameter measurement database, a gas outburst parameter management Web service program and a gas outburst parameter measurement management program, and is used for receiving calls from a gas outburst parameter measurement instrument, providing basic data required by the gas outburst parameter measurement instrument to work underground for the gas outburst parameter measurement instrument, storing gas outburst parameters and prediction conclusions uploaded by the gas outburst parameter measurement instrument, generating a working face outburst prevention prediction report, and providing a program interface for query analysis and printing output.
The gas outburst parameter measurement control program comprises:
the working face basic information management module is used for accessing gas outburst parameters in the gas outburst parameter measurement management platform through the WIFI communication interface to upload a Web service program, synchronizing the working face basic information and gas outburst parameter critical values set by the working face, and maintaining the working face basic information on an underground measurement site;
the gas desorption measuring device connecting module is used for controlling a low-power consumption Bluetooth communication module of the gas outburst parameter measuring instrument to establish or disconnect communication connection with a gas desorption pressure transmission module of the coal sample gas desorption measuring transmission device;
the gas outburst parameter determination module is used for calculating a gas outburst parameter according to the received group of gas desorption pressure values of the coal samples, providing a gas outburst auxiliary prediction parameter input interface and performing gas outburst risk prediction according to the information;
the gas outburst prediction information management module is used for executing query analysis on all gas outburst parameters, prediction conclusions and gas outburst prediction bases according to work surfaces and prediction dates;
the gas outburst prediction information synchronization module is used for accessing gas outburst parameters in the gas outburst parameter determination management platform through the WIFI communication interface, uploading the gas outburst parameters and prediction conclusions which are not uploaded by the gas outburst parameter determination instrument, and downloading the gas outburst parameters and prediction conclusions which are measured by other gas outburst parameter determination instruments and are related to the gas outburst parameter determination instrument;
and the system parameter configuration module is used for configuring or testing communication parameters of the gas outburst parameter measuring instrument, the coal sample gas pressure desorption device, the gas parameter printer, the underground communication looped network and other components.
The gas outburst parameter measurement management platform comprises:
the system comprises a gas outburst parameter uploading Web service program, a gas outburst parameter determining control program and a Web service interface, wherein the Web service program is used for extracting data from a gas outburst parameter determining database and providing basic information of an uploading and downloading working face, gas outburst parameters and prediction conclusions for the gas outburst parameter determining control program;
the gas outburst parameter determination database is used for classifying and persistently storing the basic information of the working surface, the gas outburst parameters and the prediction conclusion;
the gas outburst parameter management Web service program is used for determining a Web service interface required by the operation of the management program for the gas outburst parameter;
the gas outburst parameter measurement management program is used for maintaining basic information of a mine working face, managing files of all gas outburst parameter measurement instruments of the mine, generating a complete or printed working face outburst prevention prediction report, and inquiring and analyzing gas outburst parameters.
The gas outburst parameter measurement management program comprises the following steps:
the gas outburst basic information management module is used for maintaining basic information of all working faces of a mine and gas outburst parameter critical values used for executing gas outburst prediction on each working face;
the outburst parameter measuring instrument management module is used for maintaining information of purchase, use, maintenance, scrappage and the like of all gas outburst parameter measuring instruments of the whole mine to form a mine gas outburst parameter measuring instrument file;
the outburst prevention prediction report generation and output module is used for calling a gas outburst parameter management Web service program, extracting from a gas outburst parameter measurement database according to the working surface and the date shift, generating a working surface outburst prevention prediction report, and further supplementing, perfecting and printing and outputting the working surface outburst prevention prediction report;
and the outburst prevention prediction index statistical analysis module is used for calling a gas outburst parameter management Web service program and generating a chart or a data sheet for representing the variation trend of the gas outburst parameters according to the working surface and the shift of the start and stop dates.
Fig. 4 is a flowchart of a method for determining and transmitting coal and gas burst parameters according to the present invention, wherein the method for determining and transmitting coal and gas burst parameters specifically includes the following steps:
s1: firstly, a measurer starts a gas outburst parameter measuring control program in a gas outburst parameter measuring instrument, then starts a coal sample gas desorption measuring transmission device through a gas desorption device control panel, establishes a low-power consumption Bluetooth transmission channel between the gas outburst parameter measuring instrument and the gas desorption measuring transmission device through a gas desorption measuring device connecting module, and finally starts a gas outburst parameter measuring module in the control program, selects a working surface and inputs or selects a used gas outburst parameter critical value;
s2: a measurer selects a current predicted drilling hole number through a gas outburst parameter measuring module, and a program automatically starts countdown after a 'powder receiving starting' instruction is sent;
s3: after the countdown is finished, firstly, a measurer sends a 'start powder receiving' instruction through a gas outburst parameter measuring module and then immediately loads crushed and screened qualified coal sample powder into a coal sample desorption bin of a coal sample gas desorption measuring and transmitting device and seals the coal sample desorption bin, secondly, the gas outburst parameter measuring module sends a 'start measurement' instruction, and the gas desorption pressure transmitting module sends a gas desorption pressure value to a gas desorption pressure receiving module through a low-power-consumption Bluetooth transmission channel every 30 seconds and displays the gas desorption pressure value in a gas outburst parameter measuring module interface;
s4: after the gas outburst parameter determination module receives 10 gas desorption pressure values, a determination person is prompted to input auxiliary prediction parameters such as sampling hole depth, the current position and the measured drilling cuttings quantity S in the last meter in a vibration mode, the drilling cuttings gas desorption index value of the current hole depth is calculated, and the calculated and input gas outburst parameters are displayed in the gas outburst parameter determination module;
s5: if the gas outburst parameters of other depths of the current drill hole need to be measured, a measurer clicks the 'start powder receiving' in the gas outburst parameter measuring module and transfers S3, and if the gas outburst parameters of all depths of the current drill hole are measured, the measurer prompts a user whether to continuously measure the next drill hole;
s6: after the gas outburst parameters of all depths of each predicted drill hole are measured, measuring personnel click an outburst prediction button of a gas outburst parameter measuring module to execute gas outburst risk prediction and can be directly connected with a gas outburst parameter printer to print and output a prediction conclusion;
s7: after the measurement personnel finish the task of measuring the gas outburst parameters, starting a gas outburst parameter measurement control program built in a gas outburst parameter measurement instrument in an area covered by underground WIFI network signals, calling the gas outburst parameters in a gas outburst parameter measurement management platform to upload a Web service program and upload gas outburst parameters and prediction conclusions by virtue of an underground transmission communication network and a ground transmission communication network through a gas outburst prediction information synchronization module and a gas outburst parameter transmission module;
s8: after the gas outburst parameters are uploaded to a Web service program and the gas outburst parameters and a prediction conclusion are received, the gas outburst parameters are stored in a gas outburst parameter determination database;
s9: the measuring personnel calls a gas outburst parameter management Web service program to retrieve and generate a working face outburst prevention prediction report through a gas outburst parameter measurement management program on a computer terminal connected to a ground transmission communication network, and the information such as gas outburst prediction drilling construction parameters and the like is manually supplemented, then the information can be printed and output, and the report is approved or filed.
The step S1 specifically includes:
s11: in an area covered by an underground or ground WIFI network signal, connecting to a network where a gas outburst parameter determination management platform is located, starting a working face basic information management module of a gas outburst parameter determination control program, uploading a Web service program through gas outburst parameters to download latest working face information and a gas outburst parameter critical value from a gas outburst parameter determination database, and uploading newly-built or modified working face information to the gas outburst parameter determination database through the gas outburst parameter determination control program;
s12: the measurer starts the gas desorption measurement transmission device through the gas desorption device control panel 12, and can execute routine self-checking operations such as zero calibration, full calibration and the like;
specifically, the gas desorption device control panel (12 in fig. 3) is provided with four buttons, namely, a power supply button 121, a zero calibration button 122, a backlight button 123 and a full calibration button 124, wherein the power supply button is used for starting the gas desorption measurement transmission device, the backlight button is used for adjusting the brightness of the liquid crystal display screen 125 to adapt to the underground working environment, the zero calibration button can be operated under the atmospheric pressure environment, and the full calibration button can be operated only after the coal sample gas desorption transmission device is connected to the standard barometer.
S13: a measurer establishes a traditional Bluetooth transmission channel between a gas outburst parameter measuring instrument and a gas desorption measurement transmission device through a gas desorption measuring device connecting module, further starts a gas outburst parameter measuring module, selects a working surface and inputs or selects a used gas outburst parameter critical value;
specifically, the gas outburst parameter determination module can be started only after the low-power-consumption Bluetooth communication connection is established between the gas outburst parameter determination instrument and the coal sample gas desorption pressure determination transmission device; if the communication connection is interrupted due to the fact that the space distance between the gas outburst parameter measuring instrument and the coal sample gas desorption pressure measuring and transmitting device is too far, the low-power-consumption Bluetooth communication connection needs to be established between the gas outburst parameter measuring instrument control program and the coal sample gas outburst parameter measuring and transmitting device.
The step S3 specifically includes:
s31: the measuring personnel sends a 'powder receiving starting' instruction through the gas outburst parameter measuring module, the program automatically starts countdown, and a 'measurement starting' instruction can be sent after the countdown is finished;
specifically, the countdown duration defaults to 60 seconds, and can be adjusted by a system setting module of the gas outburst parameter measurement control program.
S32: the tester immediately loads the crushed and screened qualified coal sample powder into a coal sample desorption bin of a coal sample gas desorption measurement transmission device, closes the coal sample desorption bin, and waits for the countdown to be completed;
s33: the gas desorption pressure measuring device measures the gas desorption pressure at regular time and transmits the gas desorption pressure to the gas desorption pressure transmission device;
s34: the system finishes countdown, sends a 'start measurement' instruction, and the gas outburst parameter determination module automatically sends a request for inquiring the gas desorption pressure value once every 30 seconds;
s35: the gas outburst parameter measuring module receives a gas pressure desorption value every 30 seconds and displays the gas pressure desorption value in a form or curve mode in a user interface;
specifically, the gas outburst parameter measurement module displays all gas pressure desorption values received by the current prediction in a table or curve mode, and a user can switch through a sliding screen display area; and default display is carried out in a table mode, and if the air leakage phenomenon occurs, the received abnormal pressure value is displayed in a corresponding cell of the table in a yellow font or displayed in a curve in a yellow circle.
The step S6 specifically includes:
s61: the parameter measurement of each depth of all the drill holes is completed, and the measurer clicks 'outburst forecast' to display the maximum value of the gas outburst parameter, the corresponding measured drill hole and concentration and a prediction conclusion;
specifically, if the measured gas burst parameter exceeds the set critical value, the information is displayed in red in a pop-up dialog box, and the vibration function of the gas burst parameter measuring instrument is started to remind the measuring personnel of paying attention.
S62: the measuring personnel can print and output the gas outburst parameters and the prediction conclusion through a portable gas outburst parameter printer.
Finally, the above embodiments are only intended to illustrate the technical solutions of the present invention and not to limit the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all of them should be covered by the claims of the present invention.
Claims (9)
1. A coal and gas outburst parameter measurement transmission method is characterized in that: the method comprises the following steps:
s1: firstly, starting a gas outburst parameter determination control program in a gas outburst parameter determination instrument, secondly, starting a coal sample gas desorption determination transmission device (1) through a gas desorption device control panel (12), thirdly, establishing a Bluetooth transmission channel between the gas outburst parameter determination instrument and the gas desorption determination transmission device through a gas desorption determination device connecting module, and finally, starting the gas outburst parameter determination module in the control program, selecting a working surface and inputting or selecting a used gas outburst parameter critical value;
s2: selecting a current predicted drilling hole number by a gas outburst parameter tester, and automatically starting countdown by a program after sending a 'start powder receiving' instruction;
s3: firstly, sending a 'start powder receiving' instruction through a program, then loading crushed and screened qualified coal sample powder into a coal sample desorption bin of a coal sample gas desorption determination transmission device (1) and sealing the coal sample desorption bin, secondly, sending a 'start measurement' instruction through a gas outburst parameter determination module, sending a gas desorption pressure value to a gas desorption pressure receiving module through a low-power consumption Bluetooth transmission channel by the gas desorption pressure transmission module every 30 seconds, and displaying the gas desorption pressure value in a gas outburst parameter determination module interface;
s4: after the gas outburst parameter determination module receives 10 gas desorption pressure values, auxiliary prediction parameters such as sampling hole depth, the current position and the measured drilling cuttings quantity S in the last meter are prompted to be input in a vibration mode, the drilling cuttings gas desorption index value in the current hole depth is calculated, and the calculated and input gas outburst parameters are displayed in the gas outburst parameter determination module;
s5: when gas outburst parameters of other depths of the current drill hole are measured, clicking 'start powder receiving' in the gas outburst parameter measuring module and switching to S3, and if the gas outburst parameters of all the depths of the current drill hole are measured, prompting a user whether to continuously measure the next drill hole;
s6: after the gas outburst parameters of all depths of each predicted drill hole are measured, clicking a 'outburst prediction' button of a gas outburst parameter measuring module to execute gas outburst risk prediction, and directly connecting a gas outburst parameter printer to print and output a prediction conclusion;
s7: after the task of measuring the gas outburst parameters is completed, a gas outburst parameter measuring control program built in a gas outburst parameter measuring instrument is started in an area with underground transmission communication network signals, and the gas outburst parameters in a gas outburst parameter measuring and managing platform are called to upload a Web service program and upload gas outburst parameters and prediction conclusions by virtue of an underground transmission communication network and a ground transmission communication network through a gas outburst prediction information synchronization module and a gas outburst parameter transmission module;
s8: after the gas outburst parameters are uploaded to a Web service program and the gas outburst parameters and a prediction conclusion are received, the gas outburst parameters are stored in a gas outburst parameter determination database;
s9: the method comprises the steps of calling a gas outburst parameter management Web service program to retrieve and generate a working face outburst prevention prediction report through a gas outburst parameter determination management program on a computer terminal connected to a ground transmission communication network, manually supplementing gas outburst prediction drilling construction parameters, then printing and outputting, and examining, approving or archiving the report.
2. The coal and gas outburst parameter measurement transmission method according to claim 1, characterized in that: the step S1 specifically includes:
s11: before the gas outburst parameter is measured, a working face information management module of a gas outburst parameter measurement control program is started, a Web service program is uploaded through a gas outburst parameter, the latest working face information and a gas outburst parameter critical value are downloaded from a gas outburst parameter measurement database, and the working face information is newly built or modified through the gas outburst parameter measurement control program and is uploaded to the gas outburst parameter measurement database;
s12: the desorption measurement transmission device is started through the control panel, and the routine self-checking operation of zero calibration (122) and full calibration (124) can be executed;
s13: a traditional Bluetooth transmission channel is established between the gas outburst parameter tester and the gas desorption measurement transmission device through the gas desorption measurement device connecting module, so that the gas outburst parameter measurement module is started, a working surface is selected, and a gas outburst parameter critical value is input or selected to be used.
3. The coal and gas outburst parameter measurement transmission method according to claim 1, characterized in that: the step S3 specifically includes:
s31: a 'powder receiving start' instruction is sent by a gas outburst parameter measuring module, the program automatically starts countdown, and a 'measurement start' instruction can be sent after the countdown is finished;
s32: filling the crushed and screened qualified coal sample powder into a coal sample desorption bin of a coal sample gas desorption measurement and transmission device (1), sealing the coal sample desorption bin, and waiting for the completion of countdown;
s33: the gas desorption pressure measuring device measures the gas desorption pressure at regular time and transmits the gas desorption pressure to the gas desorption pressure transmission device;
s34: the system finishes countdown, sends a 'start measurement' instruction, and the gas outburst parameter determination module automatically sends a request for inquiring the gas desorption pressure value once every 30 seconds;
s35: the gas burst parameter determination module receives a gas pressure desorption value every 30 seconds and displays it in a table or graph form in the user interface.
4. The coal and gas outburst parameter measurement transmission method according to claim 1, characterized in that: the step S6 specifically includes:
s61: the parameter measurement of each depth of all the drill holes is completed, and the maximum value of the gas outburst parameter, the corresponding measured drill holes and the concentration and the prediction conclusion are displayed by clicking 'outburst prediction';
s62: and printing and outputting the gas outburst parameters and the prediction conclusion through a portable gas outburst parameter printer.
5. A coal and gas outburst parameter measurement system based on the method of any one of claims 1 to 4, which is characterized in that: the system comprises a gas outburst parameter tester, a coal sample gas desorption measurement transmission device, a gas outburst parameter printer, a gas outburst parameter measurement management platform, an underground transmission communication network and a ground transmission communication network.
6. The coal and gas outburst parameter measurement transmission system of claim 5, wherein: the gas outburst parameter measuring instrument is installed in a portable intelligent mining explosion-proof intelligent mobile phone formed by a built-in gas outburst parameter measuring control program, and comprises: the system comprises a gas desorption pressure receiving module, a gas outburst parameter measuring and controlling program, a gas outburst parameter printing and outputting module and a gas outburst parameter uploading and communicating module; the gas outburst parameter measurement control program comprises: the system comprises a working face basic information management module, a gas desorption and determination device connecting module, a gas outburst parameter determination module, a gas outburst prediction information management module, a gas outburst prediction information synchronization module and a system parameter configuration module;
one side of the gas outburst parameter measuring instrument is connected with the coal sample gas desorption measurement transmission device (1) to receive the gas desorption pressure of the coal sample and calculate the gas outburst parameter, the other side of the gas outburst parameter measuring instrument is connected with the gas outburst parameter printer in a traditional Bluetooth communication mode to output the gas outburst parameter and a prediction conclusion, and the gas outburst parameter measuring and management platform is connected with the gas outburst parameter measurement management platform by means of an underground transmission communication network and a ground transmission communication network to perform integrated storage, report generation and analysis display on the gas outburst parameter and.
7. The coal and gas outburst parameter measurement transmission system of claim 5, wherein: the coal sample gas desorption determination transmission device (1) comprises: a control panel (12) of a gas desorption device, a coal sample gas pressure desorption bin (11), a gas desorption pressure measuring device and a gas desorption pressure transmission device;
the coal sample gas desorption determination transmission device (1) is connected with a gas outburst parameter determination instrument through a gas desorption pressure transmission module.
8. The coal and gas outburst parameter measurement transmission system of claim 1, wherein: the gas outburst parameter measurement management platform comprises: and the gas outburst parameter uploading Web service program, the gas outburst parameter measuring database, the gas outburst parameter management Web service program and the gas outburst parameter measuring management program.
9. The coal and gas outburst parameter measurement transmission system of claim 1, wherein: the gas outburst parameter printer is connected with the gas outburst parameter measuring instrument in a traditional Bluetooth communication mode, receives control of the gas outburst parameter measuring instrument, and prints and outputs gas outburst parameters and prediction conclusions.
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