CN113556384A - Outburst prevention early warning analysis system suitable for mining heading machine - Google Patents
Outburst prevention early warning analysis system suitable for mining heading machine Download PDFInfo
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- 238000004458 analytical method Methods 0.000 title claims abstract description 38
- 230000002265 prevention Effects 0.000 title claims abstract description 31
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- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
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- H—ELECTRICITY
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- H04M—TELEPHONIC COMMUNICATION
- H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
- H04M11/04—Telephonic communication systems specially adapted for combination with other electrical systems with alarm systems, e.g. fire, police or burglar alarm systems
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- H—ELECTRICITY
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- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/30—Services specially adapted for particular environments, situations or purposes
- H04W4/38—Services specially adapted for particular environments, situations or purposes for collecting sensor information
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
The invention relates to the technical field of mining tunneling machines, and discloses an outburst prevention early warning analysis system suitable for a mining tunneling machine, wherein a remote outburst prevention early warning platform also comprises a working condition acquisition module, data acquired by the working condition acquisition module are transmitted to a real-time data tracking and analyzing center through a data transmission module to be operated, analyzed and reasoned, the data are fed back to a tunneling machine body and are early warned, data information acquired by a sensor, a camera, a positioner and the like is transmitted to the real-time data tracking and analyzing center through the data transmission module during tunneling, the working state of the tunneling machine body can be monitored at any time through the real-time data tracking and analyzing center and is analyzed, the danger prediction result of a working face outburst early warning system is transmitted to the tunneling machine body through telephone early warning and mobile phone short message early warning, the tunneling machine body operates according to the analyzed danger early warning level, and monitors various operation processes of the heading machine body.
Description
Technical Field
The invention relates to the technical field of mining development machines, in particular to an outburst prevention early warning analysis system suitable for a mining development machine.
Background
In the tunneling of the coal mine, the tunneling machine is adopted to tunnel, so that the tunneling speed and efficiency can be improved, meanwhile, the damage to the working face moraine and surrounding rocks of the tunnel is reduced, and the gas overrun caused by instantaneous blasting of the blasting tunneling working face is avoided.
According to patent No. 200910254614.1, a system and method for predicting coal and gas outburst risk of mine in real time are disclosed, wherein: the system consists of a data acquisition module, a data transmission module, a real-time data tracking and analyzing center and a comprehensive early warning module; after underground data are acquired by the data acquisition module, the data are transmitted to a real-time data tracking and analyzing center through the data transmission module to be operated, analyzed and reasoned; when the inference result is dangerous, the comprehensive early warning module gives an early warning; 1) the data acquisition module, namely an effective signal collector, consists of a micro-seismic signal collector and a gas emission quantity acquisition unit; (1) the microseism signal collector consists of a microseism signal conducting rod, a microseism signal sensing element and a microseism signal collecting and analyzing host; a. the microseism signal conduction rod conducts the change situation of the original coal seam ground stress signal to the sensing element; b. microseismic signal sensing element-collecting microseismic signal and converting the microseismic signal into electric signal; c. the microseismic signal acquisition and analysis host receives microseismic signals of the microseismic signal sensing element and converts the microseismic signals into electric signals, filters external noise signals by amplifying, detecting, filtering and waveform contrast analysis of the signals, and performs real-time analysis, judgment and display on reliable signals; (2) the gas emission quantity acquisition unit consists of a methane sensor and a wind speed sensor; 2) the data transmission module: the device consists of the following two parts: a. transmitting data to a monitoring center server on the mine ground through a metal cable and a looped network optical fiber; b. transmitting real-time data to a real-time communication server of a remote analysis center through an Internet network and relevant standard network equipment; 3) the tracking analysis center of the real-time data comprises the following steps: the trace analysis of the real-time data consists of two parts: a. real-time tracking and analyzing by a mine ground monitoring center server: the server is provided with a coal and gas outburst real-time tracking analysis expert diagnosis system software module which completes the processing, induction, analysis, judgment, early warning, establishment of an expert database, output of various reports and send out of various prompt functions of data; b. remote analysis center: the expert analysis center is formed by taking the analysis of an experienced expert group as a component of the system; the real-time monitoring data of the coal mine are synchronously transmitted to a real-time communication server through an Internet network for analysis of expert groups, the gathered expert experience is given to a computer, a computer system is utilized to carry out intelligent analysis processing on real-time continuous data, and danger critical indexes suitable for microseismic signals and gas emission quantity of different coal mines, different mining depths and different mining areas are automatically searched, so that the problems of different outburst mine danger criteria are fundamentally solved, the outburst danger level of the current working face is rapidly and accurately judged in the maximum range, and a three-level early warning analyzer is established.
The existing technology has the disadvantages that when a constructor operates the tunneling machine, the constructor cannot sense the gas concentration, the ground stress and the like in a roadway at the first time due to the fact that the gas concentration, the ground stress and the like are increased, meanwhile, the working state of the tunneling machine cannot be detected, most tunneling machines do not have the outburst early warning and protection capabilities, and the major hidden danger of causing outburst injury accidents is generated.
Disclosure of Invention
The invention aims to provide an outburst prevention early warning analysis system suitable for a mining heading machine, which can track and early warn coal and gas outburst risks in real time.
Technical scheme
In order to solve the technical problem, the embodiment of the invention adopts the following technical scheme: an outburst prevention early warning analysis system suitable for a mining development machine comprises a development machine body and a remote outburst prevention early warning platform consisting of a data acquisition module, a data transmission module, a real-time data tracking analysis center and a comprehensive early warning module;
the data acquisition module comprises a microseismic signal collector and a gas emission quantity acquisition unit;
the real-time data tracking and analyzing center comprises a mine ground monitoring center server real-time tracking and analyzing center and an expert analyzing center;
the comprehensive early warning comprises a telephone early warning and a mobile phone short message early warning;
the remote outburst prevention early warning platform also comprises a working condition acquisition module, the data acquired by the working condition acquisition module is transmitted to a real-time data tracking and analyzing center through a data transmission module for operation, analysis and reasoning, the data is fed back to the heading machine body, and early warning is carried out;
the working condition acquisition module comprises a sensor, a camera and a positioner;
the sensor installs additional on the operation panel of entry driving machine body for detect the operating condition of entry driving machine body, the camera installs both sides around the safety cockpit additional, is used for monitoring coal seam occurrence and environment, the locator installs additional on constructor, is used for positioning staff's position.
The data transmission module consists of two parts
A, transmitting data to a real-time monitoring server and a database server through a metal cable and a looped network optical fiber;
and B, the WEB communication server transfers the real-time data from the database server.
Preferably, the early warning sent by the real-time data tracking and analyzing center comprises normal, threat, danger and emergency,
when the early warning level is normal, the specific operation is
The heading machine body can normally heading according to the heading face operation rules, and can properly accelerate the heading speed under the condition that the production conditions allow.
When the early warning level is a threat, the specific operation is
a, when the thickness or the shape of the coal seam changes, a photographing function key is pressed in time, and the occurrence change state of the coal seam is sent to the remote outburst prevention early warning platform;
b, when the local stress is abnormal, paying attention to the change condition of the gas;
and c, when the gas parameters are changed, properly slowing down the coal cutting speed of the heading machine body and paying attention to the change of the ground stress.
When the early warning level is dangerous, the specific operation is
d, the working face is used as a key attention object by the remote outburst prevention early warning platform to be analyzed and processed; the electronic control part software of the heading machine body can encrypt and collect the working moraine head coal seam occurrence image for the professional of the remote outburst prevention early warning platform to analyze the reason of the occurrence of the danger early warning;
e, if the ground stress is early-warned, stopping tunneling, so that the ground stress has time to transfer to the deep part, and weakening the concentration degree of the ground stress; or a deep hole loosening blasting method is adopted to promote the ground stress to be transferred to the deep part and leave enough safe coal pillars for the working face;
if the gas parameter is early-warning, stopping tunneling, adopting a mode of drilling a plurality of rows of drainage drill holes, and recovering tunneling after gas is pre-drained;
and g, if gas and ground stress are early warned at the same time, the electric control part and the analysis processing software of the development machine body withdraw and warn after cutting off the power supply of the execution mechanism of the development machine body.
When the early warning level is critical, the specific operation is
h, immediately sending a power-off command, cutting off a working power supply of the development machine body through a power-off controller additionally arranged on the development machine body, and cutting off the power supply of all electric equipment except the electric control part of the development machine body;
and i, sending out an emergency alarm signal to evacuate all operating personnel in an emergency.
Preferably, the self-rescue device further comprises a self-rescue module, wherein the self-rescue module comprises an air delivery module and a supply oxygen supply module.
Preferably, an intelligent analysis electric cabinet is additionally arranged on the heading machine body and is assembled to control the sensor, the camera and the positioner to normally operate.
Preferably, a standby power box for providing standby power for the intelligent analysis electric control box and the sensor is additionally arranged on the heading machine body
Compared with the prior art, the outburst prevention early warning analysis system applicable to the mining heading machine provided by the embodiment of the invention has the following beneficial effects:
the invention can track and early warn coal and gas outburst danger in real time, when in tunneling, data information collected by corresponding working state detection sensors, a working face environment camera, a positioner and the like is transmitted to a tracking and analyzing center of real-time data through a data transmission module, the working state of the tunneling machine body can be monitored at any time through the tracking and analyzing center of the real-time data, the information is analyzed, a danger prediction result of a working face outburst early warning system is downloaded to the tunneling machine body through telephone early warning and mobile phone short message early warning, the tunneling machine body works according to the analyzed danger early warning grade, and various working processes of the tunneling machine body are monitored.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.
This document provides an overview of various implementations or examples of the technology described in this disclosure, and is not a comprehensive disclosure of the full scope or all features of the disclosed technology.
Drawings
FIG. 1 is a partial schematic block diagram of the present invention;
FIG. 2 is a block diagram of the data transmission scheme of the present invention;
FIG. 3 is a schematic block diagram of the local device installation of the present invention;
FIG. 4 is a schematic block diagram of a condition acquisition module of the present invention;
FIG. 5 is a functional block diagram of a threat level and handling scheme according to the present invention;
FIG. 6 is a block diagram of the power-down principle of the present invention;
FIG. 7 is a schematic block diagram of the local power supply of the present invention;
fig. 8 is a schematic block diagram of the local power supply of the present invention.
In the figure: 1. a heading machine body; 2. monitoring a server in real time; 3. an intelligent analysis electric cabinet; 4. a power-off controller; 5. a standby power box; 6. a sensor; 7. remote outburst prevention early warning platform: 8. the working condition acquisition module: 9. a camera: 10. a positioner: 11. a safety cockpit; 12. a WEB communication server; 13. artificial intelligence analysis software; 14. a database server; 15. an air delivery module; 16. a supply oxygen supply module; 17. and a self-rescue module.
Detailed Description
So that the objects, technical solutions and advantages of the embodiments of the present disclosure will be more apparent, the technical solutions of the embodiments of the present disclosure will be clearly and completely described below with reference to the drawings of the embodiments of the present disclosure. It is to be understood that the described embodiments are only a few embodiments of the present disclosure, and not all embodiments. All other embodiments obtained by a person skilled in the art on the basis of the described embodiments of the disclosure without any inventive step are within the scope of the invention
The first embodiment is as follows:
as shown in fig. 1-4, the present disclosure is within the scope of protection.
Unless otherwise defined, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this disclosure belongs. The use of the word "comprising" or "comprises", and the like, in this disclosure is intended to mean that the elements or items listed before that word, include the elements or items listed after that word, and their equivalents, without excluding other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may also include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.
The invention provides an outburst prevention early warning analysis system suitable for a mining development machine, which comprises a development machine body 1 and a remote outburst prevention early warning platform 7 consisting of a data acquisition module, a data transmission module, a real-time data tracking analysis center and a comprehensive early warning module;
the remote outburst prevention early warning platform 7 further comprises a working condition acquisition module 8, the data acquired by the working condition acquisition module 8 are transmitted to a real-time data tracking and analyzing center through a data transmission module to be operated, analyzed and reasoned, the data are fed back to the heading machine body 1, and early warning is carried out;
the working condition acquisition module 8 comprises a sensor 6, a camera 9 and a positioner 10;
the sensor 6 is installed on the operation panel of entry driving machine body 1 additional for detect entry driving machine body 1's operating condition, and camera 9 installs both sides around safe cockpit 11 additional for monitor coal seam occurrence and environment, and locator 10 installs additional on the constructor, is used for positioning staff's position.
The data transmission module is composed of two parts,
a, transmitting data to a real-time monitoring server 2 and a database server 14 through a metal cable and a looped network optical fiber;
b, the WEB communication server 12 is used for transferring real-time data from the database server 14;
during tunneling, data are collected through the corresponding working state detection sensor, the working face environment camera and the positioner, and information is transmitted to the real-time monitoring server 2 through the data transmission module, and detects the data through the artificial intelligence analysis software 13 and stores the data in the database server, the expert analysis center invokes data analysis in the database server 14 through the WEB server, and the analysis result and the early warning grade are downloaded to the heading machine body through telephone early warning and mobile phone short message early warning to predict the risk of the working face outburst early warning system, the heading machine body operates according to the analyzed risk early warning grade, and various operation processes of the heading machine body are monitored, and constructors can specifically operate the heading machine body 1 according to the analysis result and the early warning grade, so that the outburst danger of early warning can be tracked and early warned in real time, and the outburst injury accident can be avoided.
As shown in fig. 5, the early warning levels include normal, threat, danger, and crisis.
When the analysis result is normal, the heading machine body 1 performs normal heading according to the heading face operation rule, and the heading speed can be appropriately increased when the production condition allows.
When the analysis result is a threat, the following operations are carried out:
a, when the thickness or the shape of the coal seam changes, a photographing function key is pressed in time, and the change state of occurrence of the coal seam is sent to a remote outburst prevention early warning platform 7;
b, when the local stress is abnormal, paying attention to the change condition of the gas;
and c, when the gas parameters are changed, properly slowing down the coal cutting speed of the heading machine body 1 and paying attention to the change of the ground stress.
When the analysis result is dangerous, the following operations are carried out:
d, the working face is analyzed and processed by taking the remote outburst prevention early warning platform 7 as a key attention object; the electronic control part software of the heading machine body 1 can encrypt and collect the working moraine head coal seam occurrence image for a professional of the remote outburst prevention early warning platform 7 to analyze the reason of the occurrence of the danger early warning;
e, if the ground stress is early-warned, stopping tunneling, so that the ground stress has time to transfer to the deep part, and weakening the concentration degree of the ground stress; or a deep hole loosening blasting method is adopted to promote the ground stress to be transferred to the deep part and leave enough safe coal pillars for the working face;
if the gas parameter is early-warning, stopping tunneling, adopting a mode of drilling a plurality of rows of drainage drill holes, and recovering tunneling after gas is pre-drained;
and g, if gas and ground stress are early warned at the same time, the electric control part and the analysis processing software of the development machine body 1 withdraw and warn after cutting off the power supply of the execution mechanism of the development machine body 1.
When the analysis result is dangerous, the following operations are carried out:
h, immediately sending a power-off instruction, cutting off a working power supply of the development machine body 1 through a power-off controller 4 additionally arranged on the development machine body 1, and cutting off the power supply of all electric equipment except the electric control part of the development machine body 1;
and i, sending out an emergency alarm signal to evacuate all operating personnel in an emergency.
In addition, as shown in fig. 3 and 7 and 6, a sensor 6, a camera 9 and a positioner 10 are additionally arranged on the heading machine body 1, when the sensor 6, the camera 9 and the positioner 10 acquire data and transmit the data to the intelligent analysis electric control box 3 and a tracking analysis center of real-time data, the data are analyzed by an expert analysis center and the result is transmitted to the heading machine body 1, when the heading machine is outburst, the working power supply of the heading machine body 1 is cut off by the power-off controller 4, and the sensors 6 and the intelligent analysis electric control box 3 can continuously work by the standby power supply box 5, so that parameters such as ground stress, gas concentration and gas emission and emission are provided for analysts on the remote outburst prevention early warning platform 7.
Example two:
as shown in fig. 1 and 8, a self-rescue module 17 is shown in the embodiment, a safety cabin 11 is installed on the roadheader body 1, a protective guard is additionally installed outside a front windshield of the safety cabin 11 to provide shelter for a driver when the safety cabin is protruded, an air delivery module 15 can be a combination of a vacuum pump and an air supply pipe, clean air is continuously sucked from the ground through the air supply pipe into the relatively closed safety cabin 11, so that the pressure in the safety cabin 11 is always higher than the pressure in a roadway, toxic gas is prevented from entering the safety cabin 11, meanwhile, the pressure in the safety cabin 11 is maintained through a drainage exhaust fan, and an oxygen supply box is used as the self-rescue module, and food, water and oxygen supply equipment are placed in the self-rescue box.
The above embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and the scope of the present invention is defined by the claims. Various modifications and equivalents may be made by those skilled in the art within the spirit and scope of the present invention, and such modifications and equivalents should also be considered as falling within the scope of the present invention.
Claims (5)
1. An outburst prevention early warning analysis system suitable for a mining heading machine comprises a heading machine body (1) and a remote outburst prevention early warning platform (7) consisting of a data acquisition module, a data transmission module, a real-time data tracking analysis center and a comprehensive early warning module;
the data acquisition module comprises a microseismic signal collector and a gas emission quantity acquisition unit;
the real-time data tracking and analyzing center comprises a mine ground monitoring center server real-time tracking and analyzing center and an expert analyzing center;
the comprehensive early warning comprises a telephone early warning and a mobile phone short message early warning;
the method is characterized in that: the remote outburst prevention early warning platform (7) further comprises a working condition acquisition module (8), the data acquired by the working condition acquisition module (8) are transmitted to a real-time data tracking and analyzing center through a data transmission module to be operated, analyzed and reasoned, and the data are fed back to the heading machine body (1) and early warned;
the working condition acquisition module (8) comprises a sensor (6), a camera (9) and a positioner (10);
sensor (6) install additional on the operation panel of entry driving machine body (1) for detect the operating condition of entry driving machine body (1), camera (9) install both sides around safety cockpit (11) additional for monitor coal seam occurrence state and environment, locator (10) install additional on constructor, are used for positioning staff's position.
The data transmission module consists of two parts
A, data are transmitted to a real-time monitoring server (2) and a database server (14) through a metal cable and a looped network optical fiber;
b, the WEB communication server (12) is used for transferring the real-time data from the database server (14).
2. The outburst prevention early warning analysis system suitable for the mining heading machine according to claim 1, characterized in that: the early warning sent by the real-time data tracking and analyzing center comprises normal, threat, danger and emergency,
when the early warning level is normal, the specific operation is
The heading machine body (1) can normally heading according to the heading face operation rules, and can properly accelerate the heading speed under the condition that the production conditions allow.
When the early warning level is a threat, the specific operation is
a, when the thickness or the shape of the coal seam changes, a photographing function key is pressed in time, and the change state of occurrence of the coal seam is sent to the remote outburst prevention early warning platform (7);
b, when the local stress is abnormal, paying attention to the change condition of the gas;
c, when the gas parameters are changed, properly slowing down the coal cutting speed of the heading machine body (1) and paying attention to the change of the ground stress.
When the early warning level is dangerous, the specific operation is
d, the working face is analyzed and processed by taking the remote outburst prevention early warning platform (7) as a key attention object; the electronic control part software of the heading machine body (1) can encrypt and collect a working moraine coal seam occurrence image for a professional of the remote outburst prevention early warning platform (7) to analyze the reason of danger early warning;
e, if the ground stress is early-warned, stopping tunneling, so that the ground stress has time to transfer to the deep part, and weakening the concentration degree of the ground stress; or a deep hole loosening blasting method is adopted to promote the ground stress to be transferred to the deep part and leave enough safe coal pillars for the working face;
if the gas parameter is early-warning, stopping tunneling, adopting a mode of drilling a plurality of rows of drainage drill holes, and recovering tunneling after gas is pre-drained;
and g, if gas and ground stress are early warned at the same time, after an electric control part and analysis processing software of the development machine body (1) cut off a power supply of an execution mechanism of the development machine body (1), evacuating and warning.
When the early warning level is critical, the specific operation is
h, immediately sending a power-off instruction, cutting off a working power supply of the development machine body (1) through a power-off controller (4) additionally arranged on the development machine body (1), and cutting off the power supply of all electric equipment except the electric control part of the development machine body (1);
and i, sending out an emergency alarm signal to evacuate all operating personnel in an emergency.
3. The outburst prevention early warning analysis system suitable for the mining heading machine according to claim 1, characterized in that: still include the module of saving oneself (17), the module of saving oneself (17) are including air transport module (15) and supply oxygen suppliment module (16).
4. The outburst prevention early warning analysis system suitable for the mining heading machine according to claim 1, characterized in that: the intelligent analysis electric cabinet (3) is additionally arranged on the heading machine body (1), and the intelligent analysis electric cabinet (3) is assembled to control the normal operation of the sensor (6), the camera (9) and the positioner (10).
5. The outburst prevention early warning analysis system suitable for the mining heading machine according to claim 1, characterized in that: a standby power box (5) for providing standby power for the intelligent analysis electric control box (3) and the sensor (6) is additionally arranged on the heading machine body (1).
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN114673558A (en) * | 2022-04-12 | 2022-06-28 | 中国矿业大学 | Coal mine driving face risk identification and intelligent pre-control system and method |
| CN114673558B (en) * | 2022-04-12 | 2023-01-31 | 中国矿业大学 | Coal mine driving face risk identification and intelligent pre-control system and method |
| CN118138730A (en) * | 2024-05-08 | 2024-06-04 | 华能庆阳煤电有限责任公司 | Underground mining monitoring and controlling method and system based on 5G-DMN network |
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Application publication date: 20211026 |