CN106968715B - Coal mine down-hole fire monitoring based on wireless sensor network - Google Patents
Coal mine down-hole fire monitoring based on wireless sensor network Download PDFInfo
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
- E21F17/18—Special adaptations of signalling or alarm devices
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Abstract
The present invention provides the coal mine down-hole fire monitoring based on wireless sensor network, including underground mine fire monitoring center, communication module and coal mine safety monitoring module based on wireless sensor network；The underground mine fire monitoring center is located at ground and installation system monitoring of software and background data base, the underground mine fire monitoring center are used to receive coal mine safety monitoring data and issue Monitoring instruction；The coal mine safety monitoring module based on wireless sensor network is located in coal mine sensitive zones, it is communicated by the communication module and the underground mine fire monitoring center, coal mine safety monitoring module is for acquiring and wireless transmission coal mine safety monitoring data；The communication module is for receiving and transmitting the coal mine safety monitoring data and the Monitoring instruction.The present invention has the informationization and intelligence of height, can timely and accurately monitor underground coal mine fire behavior, and alarm, easy to operate.
Description
Technical field
The present invention relates to coal mine downhole safeties to monitor field, and in particular to the underground coal mine fire based on wireless sensor network
Calamity monitors system.
Background technique
Coal mine is easy spontaneous combustion during exploiting colliery, and temperature sensing should be arranged in the coal working face of the coal mine of spontaneous progress
Device.Coal Mine Safety Monitoring System in the related technology can only monitor the temperature in underworkings environment, be unsuitable for spontaneous combustion of coal
Forecast can affect fire prevention and treatment opportunity adversely.
Summary of the invention
In view of the above-mentioned problems, the present invention provides the coal mine down-hole fire monitoring based on wireless sensor network.
The purpose of the present invention is realized using following technical scheme:
It provides in the coal mine down-hole fire monitoring based on wireless sensor network, including underground mine fire monitoring
The heart, communication module and the coal mine safety monitoring module based on wireless sensor network；Underground mine fire monitoring center position
In ground and installation system monitoring of software and background data base, the underground mine fire monitoring center is for receiving safety of coal mines
Monitoring data and sending Monitoring instruction；The coal mine safety monitoring module based on wireless sensor network is located at coal mine sensing
It in region, is communicated by the communication module and the underground mine fire monitoring center, coal mine safety monitoring module is used for
Acquisition and wireless transmission coal mine safety monitoring data；The communication module is for receiving and transmitting the coal mine safety monitoring number
According to the Monitoring instruction.
The invention has the benefit that having the informationization and intelligence of height, coal mine can be timely and accurately monitored
Lower fire behavior, and alarm, it is easy to operate.
Detailed description of the invention
The present invention will be further described with reference to the accompanying drawings, but the embodiment in attached drawing is not constituted to any limit of the invention
System, for those of ordinary skill in the art, without creative efforts, can also obtain according to the following drawings
Other attached drawings.
Structural block diagram Fig. 1 of the invention；
Fig. 2 is the connection block diagram of underground mine fire monitoring center of the present invention.
Appended drawing reference:
Underground mine fire monitoring center 1, communication module 2, coal mine safety monitoring module 3, coal mine safety monitoring data connect
Receive module 10, coal mine safety monitoring data memory module 20, coal mine safety monitoring data processing module 30, alarm module 40, prison
Survey instruction sending module 50.
Specific embodiment
The invention will be further described with the following Examples.
Referring to Fig. 1, Fig. 2, the coal mine down-hole fire monitoring provided in this embodiment based on wireless sensor network, packet
Include underground mine fire monitoring center 1, communication module 2 and the coal mine safety monitoring module 3 based on wireless sensor network；It is described
Underground mine fire monitoring center 1 is located at ground and installation system monitoring of software and background data base, the underground mine fire
Monitoring center 1 is for receiving coal mine safety monitoring data and issuing Monitoring instruction；The coal based on wireless sensor network
Mine safety monitoring module 3 is located in coal mine sensitive zones, by communication module 2 and the underground mine fire monitoring
The heart 1 communicates, and coal mine safety monitoring module 3 is for acquiring and wireless transmission coal mine safety monitoring data；The communication module 2 is used
In receiving and transmit the coal mine safety monitoring data and the Monitoring instruction.
Preferably, the communication module 2 is logical by Industrial Ethernet network and the underground mine fire monitoring center 1
News.
Preferably, the underground mine fire monitoring center 1 includes coal mine safety monitoring data reception module 10, coal mine peace
Full monitoring data memory module 20, coal mine safety monitoring data processing module 30, alarm module 40, Monitoring instruction sending module
50, wherein coal mine safety monitoring data reception module 10, coal mine safety monitoring data memory module 20, coal mine safety monitoring data
Processing module 30, alarm module 40 are sequentially connected, coal mine safety monitoring data reception module 10,50 and of Monitoring instruction sending module
Communication module 2 connects.
The above embodiment of the present invention has the informationization and intelligence of height, can timely and accurately monitor underground coal mine fire
Feelings, and alarm, it is easy to operate.
Preferably, the wireless sensor network in the coal mine safety monitoring module 3 is by multiple coal mine safety monitoring nodes
It is formed with a mobile base station, the communication module 2 and mobile base station communicate to connect, to obtain the coal of mobile base station collection
Mine safety monitoring data.
Further, the foundation and maintenance of the update of the status information of the mobile base station and wireless sensor network routing
It is confined to backbone network, i.e. the routing of coal mine safety monitoring node to mobile base station is supervised only in accordance with the safety of coal mines in backbone network
Node is surveyed to carry out, for remaining coal mine safety monitoring node outside backbone network, the coal mine safety monitoring data that they are monitored
It is sent to the coal mine safety monitoring node in nearest backbone network, and then is sent to mobile base station.
Preferably, the coal mine safety monitoring module 3 constructs the backbone before collection of coal mine safety monitoring data
Network, specifically: composition of the suitable coal mine safety monitoring node as backbone network is selected from coal mine safety monitoring node
Candidate as this composition node is connected and composed node for other configuration nodes in three jumps of configuration node by node, and
Corresponding selection and candidate connect and compose node and are attached required connecting node, to obtain a plurality of candidate of this composition node
Connection path；The a plurality of candidate connection path information that each configuration node will acquire is sent to mobile base station, wherein candidate connection
Routing information includes to configuration node and corresponding connecting node, and mobile base station is that each configuration node chooses best candidate connection
Path is attached with corresponding configuration node, ultimately forms the backbone network with minimum coal mine safety monitoring interstitial content,
Specifically:
(1) enabling each configuration node is learning automaton, and enabling the corresponding each candidate connection path of each configuration node is movement,
Then the behavior aggregate of configuration node β is expressed asWhereinFor the time of configuration node β
Select connection path set, nβIndicate the candidate connection path quantity that configuration node β has；
(2) movement probability vector when candidate connection path, and the candidate connection of selection are selected to study number, for the first time
The estimation desired value that reward can be obtained when path from environment is initialized；
(3) in the J times study, learning automaton selects a candidate connection path according to movement probability vector E (J)
(4) candidate connection path is executedAfterwards, learning automaton obtains feedback P (J) from environment, and according to following equation pair
The value of estimation desired value is updated:
Wherein
In formula,Indicate that configuration node β selects candidate connection pathWhen corresponding estimation desired value more
New value,Indicate that configuration node β selects candidate connection path after carrying out J studyWhen from environment obtain reward time
Number,Indicate candidate connection path after carrying out J times learningThe number selected；WJFor by all candidates currently selected
Connection path connects the quantity of coal mine safety monitoring node in the backbone network to be formed, WmIndicate what up to the present connection was formed
Minimum coal mine safety monitoring interstitial content in backbone network；Wherein, when P (J)=1, indicate that learning automaton is obtained from environment
Reward when P (J)=0, indicates that learning automaton there is no reward from environment；
(5) value of the movement probability vector E (J+1) in learning process next time is updated according to the following formula:
In formula,For value function, whenMost relative to estimation desired value value before
When big,Otherwise
(6) if meet setting termination condition, the candidate connection path that configuration node is currently chosen as selection most
Excellent candidate's connection path, otherwise, study number J goes to step 3), the termination condition of the setting from increasing 1 are as follows: each study is automatic
The study number of machine is greater than the frequency threshold value of setting or in nearest study three times, connects in the backbone network of formation and include
Coal mine safety monitoring interstitial content do not change.
The coal mine safety monitoring module 3 of this preferred embodiment constructs backbone network using aforesaid way, so that backbone network
It can satisfy the update of the status information of mobile base station and the demand of wireless sensor network rerouting, and optimize itself
The coal mine safety monitoring interstitial content for including can reduce wireless sensor network acquisition and transmit coal mine safety monitoring data
Energy consumption reduces the communication overhead that environment coal mine safety monitoring module 3 carries out the acquisition of coal mine safety monitoring data, into one on the whole
Step reduces the operating cost of coal mine down-hole fire monitoring.
Preferably, during constructing backbone network, corresponding selection and it is candidate connect and compose node be attached it is required
Connecting node, specifically:
(1) it obtains configuration node and candidate connects and composes all connection paths of node, indicate are as follows:
Wherein,Indicate configuration node DNNode is connected and composed with its candidateBetween the ε articles link road
Diameter；
(2) preferred value that configuration node connects and composes all paths that node is connect with candidate is calculated according to the following formula,
Choosing preferred value is maximum path as this composition node and the candidate optimal path for connecting and composing node and connecting:
In formula,Indicate configuration node DNNode is connected and composed with its candidateBetween the ε articles connection path
Preferred value,ForIncluded in connecting node number,It indicatesIn
The neighbor node number that the B connecting node has, Y is the weight coefficient of setting, and meets 0.6≤Y≤0.8；
(3) connecting node in the optimal path chosen is the required connecting node.
This preferred embodiment carries out configuration node according to the selection rule of above-mentioned setting and thirdly other in jumping constitute section
Connecting node between point is chosen, and the recycling that connecting node is realized during constructing backbone network is conducive to, thus
The scale for minimizing backbone network reduces the energy consumption of wireless sensor network, optimizes coal mine safety monitoring module 3 in safety of coal mines
The communication overhead of monitoring data acquisition and transmission aspect, thus on the whole in the reliability for guaranteeing the acquisition of coal mine safety monitoring data
Under the premise of reduce coal mine down-hole fire monitoring operating cost.
Preferably, described that suitable coal mine safety monitoring node is selected from coal mine safety monitoring node as backbone network
The configuration node and connecting node of network, specifically include:
(1) each coal mine safety monitoring node is to its neighbor node turnaround sequence value information, wherein coal mine safety monitoring section
The sequential value of point is determined by following equation:
In formula, X (Di) indicate i-th of coal mine safety monitoring node DiSequential value,Indicate coal mine safety monitoring node
DiNeighbor node number, i indicates the node number of preset coal mine safety monitoring node,Indicate i-th of safety of coal mines
Monitoring node DiResidual energy magnitude, QTFor the residual energy magnitude threshold value of setting；
(2) if coal mine safety monitoring node meets following configuration node election contest conditions, election contest is the structure of backbone network
At node, and to neighbor node talkathon success message, the coal mine safety monitoring node for receiving election contest success message becomes
Node is expanded, if coal mine safety monitoring node is unsatisfactory for configuration node election contest condition, becomes ordinary node:
Or
WhenWhen, DiμTo expand node；
In formula, X (Dij) it is coal mine safety monitoring node DiA hop neighbor node in j-th of neighbor node sequential value,For coal mine safety monitoring node DiA hop neighbor node quantity,Indicate coal mine safety monitoring section
Point DiA hop neighbor node set；
(3) it expands node and campaigns for message to its neighbor node broadcast configuration node, receive configuration node election contest message
Coal mine safety monitoring node is campaigned for according to the configuration node that configuration node election contest condition participates in backbone network.
This preferred embodiment optimizes the selection mode of configuration node in backbone network, can more quickly be backbone network
Preferably configuration node is selected, to ensure the rapid build of backbone network；When choosing configuration node, it is contemplated that safety of coal mines prison
The neighbours' quantity and residual energy magnitude factor of node are surveyed, so that the configuration node selected can satisfy building backbone network and right
The monitoring data that neighbouring coal mine safety monitoring node is sent carry out received demand, ensure coal mine down-hole fire monitoring to coal
The reliability and efficiency of mine collecting safe monitoring data.
Finally it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than the present invention is protected
The limitation of range is protected, although explaining in detail referring to preferred embodiment to the present invention, those skilled in the art are answered
Work as understanding, it can be with modification or equivalent replacement of the technical solution of the present invention are made, without departing from the reality of technical solution of the present invention
Matter and range.
Claims (4)
1. the coal mine down-hole fire monitoring based on wireless sensor network, characterized in that monitored including underground mine fire
Center, communication module and the coal mine safety monitoring module based on wireless sensor network；The underground mine fire monitoring center
Positioned at ground and installation system monitoring of software and background data base, the underground mine fire monitoring center is for receiving coal mine peace
Full monitoring data and sending Monitoring instruction；The coal mine safety monitoring module based on wireless sensor network is located at coal mine biography
It in sensillary area domain, is communicated by the communication module and the underground mine fire monitoring center, coal mine safety monitoring module is used
In acquisition and wireless transmission coal mine safety monitoring data；The communication module is for receiving and transmitting the coal mine safety monitoring
Data and the Monitoring instruction；Wireless sensor network in the coal mine safety monitoring module is by multiple coal mine safety monitoring sections
Point and a mobile base station composition, the communication module and mobile base station communicate to connect, to obtain mobile base station collection
Coal mine safety monitoring data；The foundation and maintenance of the update of the status information of the mobile base station and wireless sensor network routing
It is confined to backbone network, i.e. the routing of coal mine safety monitoring node to mobile base station is supervised only in accordance with the safety of coal mines in backbone network
Node is surveyed to carry out, for remaining coal mine safety monitoring node outside backbone network, the coal mine safety monitoring data that they are monitored
It is sent to the coal mine safety monitoring node in nearest backbone network, and then is sent to mobile base station；The coal mine peace
Full monitoring modular constructs the backbone network before collection of coal mine safety monitoring data, specifically: from coal mine safety monitoring section
Configuration node of the suitable coal mine safety monitoring node as backbone network is selected in point, for its in three jumps of configuration node
Candidate as this composition node is connected and composed node by his configuration node, and corresponding selection and candidate connect and compose node into
Connecting node needed for row connection, to obtain a plurality of candidate connection path of this composition node；Each configuration node will acquire
A plurality of candidate connection path information be sent to mobile base station, wherein candidate connection path information includes to configuration node and correspondence
Connecting node, mobile base station be each configuration node choose best candidate connection path connected with corresponding configuration node
It connects, ultimately forms the backbone network with minimum coal mine safety monitoring interstitial content, specifically:
(1) enabling each configuration node is learning automaton, and enabling the corresponding each candidate connection path of each configuration node is movement, then structure
It is expressed as at the behavior aggregate of Node βWhereinConnect for the candidate of configuration node β
Meet set of paths, nβIndicate the candidate connection path quantity that configuration node β has；
(2) movement probability vector when candidate connection path is selected to study number, for the first time, and selects candidate connection path
When can obtain the estimation desired value of reward from environment and initialized；
(3) in the J times study, learning automaton selects a candidate connection path according to movement probability vector E (J)
(4) candidate connection path is executedAfterwards, learning automaton obtains feedback P (J) from environment, and according to following equation to estimation
The value of desired value is updated:
Wherein
In formula,Indicate that configuration node β selects candidate connection pathWhen corresponding estimation desired value updated value,Indicate that configuration node β selects candidate connection path after carrying out J studyWhen the number of reward is obtained from environment,Indicate candidate connection path after carrying out J times learningThe number selected；WJTo be connected by all candidates currently selected
Meet the quantity that path connects coal mine safety monitoring node in the backbone network to be formed, WmIndicate the bone for up to the present connecting formation
Minimum coal mine safety monitoring interstitial content in dry network；Wherein, when P (J)=1, indicate that learning automaton is encouraged from environment
It encourages, when P (J)=0, indicates that learning automaton there is no reward from environment；
(5) value of the movement probability vector E (J+1) in learning process next time is updated according to the following formula:
In formula,For value function, whenWhen relative to estimation desired value value maximum before,Otherwise
(6) if meeting the termination condition of setting, the candidate connection path that configuration node is currently chosen is as the optimal time chosen
Connection path is selected, otherwise, study number J goes to step 3), the termination condition of the setting are as follows: each learning automaton from increasing 1
Learn number to be greater than the frequency threshold value of setting or in nearest study three times, connect the coal for including in the backbone network of formation
Mine safety monitoring interstitial content does not change；
During constructing backbone network, corresponding selection and candidate connect and compose node and are attached required connecting node, have
Body are as follows:
(1) it obtains configuration node and candidate connects and composes all connection paths of node, indicate are as follows:
Wherein,Indicate configuration node DNNode is connected and composed with its candidateBetween the ε articles connection path；
(2) preferred value that configuration node connects and composes all paths that node is connect with candidate is calculated according to the following formula, is chosen
Preferred value is maximum path as this composition node and connects and composes the optimal path that node is connect with candidate:
In formula,Indicate configuration node DNNode is connected and composed with its candidateBetween the ε articles connection path it is excellent
Choosing value,ForIncluded in connecting node number,It indicatesIn B
The neighbor node number that a connecting node has, Y is the weight coefficient of setting, and meets 0.6≤Y≤0.8；
(3) connecting node in the optimal path chosen is the required connecting node.
2. the coal mine down-hole fire monitoring according to claim 1 based on wireless sensor network, characterized in that institute
The communication module stated is communicated by Industrial Ethernet network and the underground mine fire monitoring center.
3. the coal mine down-hole fire monitoring according to claim 2 based on wireless sensor network, characterized in that institute
State underground mine fire monitoring center include coal mine safety monitoring data reception module, coal mine safety monitoring data memory module,
Coal mine safety monitoring data processing module, alarm module and Monitoring instruction sending module, wherein coal mine safety monitoring data receiver
Module, coal mine safety monitoring data memory module, coal mine safety monitoring data processing module, alarm module are sequentially connected, coal mine
Safety monitoring data reception module, Monitoring instruction sending module are connected with communication module.
4. the coal mine down-hole fire monitoring according to claim 1 based on wireless sensor network, characterized in that institute
Configuration node and company of the suitable coal mine safety monitoring node as backbone network are selected in the slave coal mine safety monitoring node stated
Node is connect, is specifically included:
(1) each coal mine safety monitoring node is to its neighbor node turnaround sequence value information, wherein coal mine safety monitoring node
Sequential value is determined by following equation:
In formula, X (Di) indicate i-th of coal mine safety monitoring node DiSequential value,Indicate coal mine safety monitoring node DiNeighbour
Interstitial content is occupied, i indicates the node number of preset coal mine safety monitoring node,Indicate i-th of coal mine safety monitoring section
Point DiResidual energy magnitude, QTFor the residual energy magnitude threshold value of setting；
(2) if coal mine safety monitoring node meets following configuration node election contest conditions, election contest is the composition section of backbone network
Point, and to neighbor node talkathon success message, the coal mine safety monitoring node for receiving election contest success message, which becomes, to be expanded
Node becomes ordinary node if coal mine safety monitoring node is unsatisfactory for configuration node election contest condition:
Or
As X (Diμ)-X(Di)>0,When, DiμTo expand node；
In formula, X (Dij) it is coal mine safety monitoring node DiA hop neighbor node in j-th of neighbor node sequential value,For
Coal mine safety monitoring node DiA hop neighbor node quantity,Indicate coal mine safety monitoring node Di
A hop neighbor node set；
(3) it expands node and campaigns for message to its neighbor node broadcast configuration node, receive the coal mine of configuration node election contest message
Safety monitoring node is campaigned for according to the configuration node that configuration node election contest condition participates in backbone network.
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| CN107676133A (en) * | 2017-09-08 | 2018-02-09 | 辽宁工程技术大学 | A kind of coal mine down-hole fire monitoring based on Internet of Things |
| CN108806164A (en) * | 2018-08-07 | 2018-11-13 | 中国恩菲工程技术有限公司 | Mine down-hole fire disaster alarming device and mine down-hole fire alarm method |
| CN109404044A (en) * | 2018-11-10 | 2019-03-01 | 郑州福禄源电子科技有限公司 | A kind of mine safety monitoring system based on computer control |
| CN111948729B (en) * | 2020-08-14 | 2023-05-23 | 河南理工大学 | Underground coal mine hidden fire source detection system based on multiple modes and multiple nodes |
| CN113422809B (en) * | 2021-05-27 | 2023-10-24 | 莆田学院 | Data transmission system, method, device and equipment of Internet of things |
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