CN108035773A - A kind of coal-bed gas pressure monitoring system based on 6LoWPAN technology of Internet of things - Google Patents
A kind of coal-bed gas pressure monitoring system based on 6LoWPAN technology of Internet of things Download PDFInfo
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- CN108035773A CN108035773A CN201711269986.2A CN201711269986A CN108035773A CN 108035773 A CN108035773 A CN 108035773A CN 201711269986 A CN201711269986 A CN 201711269986A CN 108035773 A CN108035773 A CN 108035773A
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 45
- 238000005516 engineering process Methods 0.000 title claims abstract description 20
- 238000000605 extraction Methods 0.000 claims description 15
- 239000003245 coal Substances 0.000 claims description 12
- 230000001105 regulatory effect Effects 0.000 claims description 12
- 230000003750 conditioning effect Effects 0.000 claims description 11
- 102000001253 Protein Kinase Human genes 0.000 claims description 8
- 108060006633 protein kinase Proteins 0.000 claims description 8
- 238000003860 storage Methods 0.000 claims description 8
- 108091000080 Phosphotransferase Proteins 0.000 claims description 4
- 102000020233 phosphotransferase Human genes 0.000 claims description 4
- 238000009530 blood pressure measurement Methods 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 238000004078 waterproofing Methods 0.000 claims description 2
- 238000005065 mining Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 230000033228 biological regulation Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 231100001267 hazard identification Toxicity 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000012549 training Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/18—Self-organising networks, e.g. ad-hoc networks or sensor networks
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Computer Networks & Wireless Communication (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The invention discloses server, monitoring computer and intelligent terminal in a kind of coal-bed gas pressure monitoring system, including underground 6LoWPAN wireless sensor networks, border router, Industrial Ethernet, well based on 6LoWPAN technology of Internet of things；Underground 6LoWPAN wireless sensor networks are connected with border router；Border router is connected by Industrial Ethernet with server on well；Monitoring computer, intelligent terminal are connected by internet with server on well, and server obtains data from well；Several pressure monitoring nodes are equipped with the underground 6LoWPAN wireless sensor networks.Node of the system using each measuring point as wireless sensor network, sets up mesh networks by the way of ad hoc network, uploads data in real time by the data interconnection of whole mining area, and by underground host, accuracy of data acquisition height, real-time and high safety.
Description
Technical field
It is specifically a kind of based on 6LoWPAN technology of Internet of things the present invention relates to coal-bed gas pressure monitoring technical field
Coal-bed gas pressure monitors system.
Background technology
The development of wireless sensor network and the rise of Internet of Things industry cause a large amount of wireless sensor network access interconnections
Net is possibly realized, and current technology of Internet of things has in social life to be widely applied, and is carried for the live and work of people
It is greatly convenient to have supplied.
In field of coal mine safety, the improvement of coal-bed gas is the most important thing of trouble free service all the time.Methane gas is in recent years
Carry out the main induced factor of mine safety accidents, with the increase of coal mining depth, gas bearing capacity is also being continuously increased.Currently
The measure that coal industry takes this is mostly extraction or extraction, monitors the pressure value in extraction hole in the process, and after extraction
Quite a while keep monitoring, only when coal-bed gas pressure stabilization is in safety requirements standard, could carry out next step
Exploitation production, otherwise need to continue extraction, until meeting the requirements.According to《Safety regulations in coal mine 2016》Technology will
Ask, gas pressure meets or exceeds 0.74MPa, i.e., should carry out Coal Seam Outburst Hazard identification immediately.According to《Underground coal mine
The Direct Determination of coal-bed gas pressure》Operation requirement, coal-bed gas pressure change when 72 is small it is interior change be less than
0.015MPa, then it is believed that this pressure stablized is exactly coal-bed gas pressure.
Currently, coal production unit measures pressure at sealing of hole using pointer pressure head more, and measurement accuracy is low, it is impossible to
Meet the judgement to steady pressure, distribution is limited, and needs staff on duty, periodically makes a copy of.Largely pressure result takes
Certainly in the judgement of worker, measurement result can be there are large error, and measurement result has larger hysteresis quality, when pressure limit
As a result it cannot in time feed back, can threaten to safety of coal mines.Down-hole coal bed production face is big, by manually make a copy of occur misrepresent deliberately,
Situation about failing to report, and extraction pore size distribution is extensive, heavy workload, it is patient to underground labour to be tested greatly with physical efficiency.
Pressure data of this technology of Internet of things of 6LoWPAN applied to underground is transmitted, using each measuring point as one
The node of wireless sensor network, the data interconnection of whole mining area by the way of ad hoc network, and will by underground host
Data upload in real time, so as to fulfill the real-time monitoring of down-hole pressure data, so that ensure that the accuracy of data, real-time and peace
Quan Xing.
The content of the invention
It is an object of the invention to overcome the deficiencies in the prior art, and provide a kind of based on 6LoWPAN technology of Internet of things
Coal-bed gas pressure monitors system.Node of the system using each measuring point as wireless sensor network, using the side of ad hoc network
Formula uploads data by the data interconnection of whole mining area, and by underground host in real time, accuracy of data acquisition is high, real-time with
High safety.
Realizing the technical solution of the object of the invention is：
A kind of coal-bed gas pressure monitoring system based on 6LoWPAN technology of Internet of things, including underground 6LoWPAN wireless sensers
Network, border router, Industrial Ethernet, server, monitoring computer and intelligent terminal on well；Underground 6LoWPAN is wirelessly passed
Sensor network is connected with border router；Border router is connected by Industrial Ethernet with server on well；Monitoring computer,
Intelligent terminal is connected by internet with server on well, and server obtains data from well；The underground 6LoWPAN is wireless
Several pressure monitoring nodes are equipped with sensor network.
The pressure monitoring node, installed in the position in coal-bed gas pressure extraction hole.
The pressure monitoring node, including main control module, pressure sensor, Signal-regulated kinase, display module, transfinite
Alarm module, external antenna, power module, system power supply conditioning module；Pressure sensor is connected with Signal-regulated kinase, master control
Module is connected by ADC interface with Signal-regulated kinase, and main control module is connected by SPI interface with display module, main control module
It is connected by antennal interface with external antenna, main control module is also connected with overload alarm module, system power supply conditioning module respectively,
System power supply conditioning module is also connected with power module.
The main control module, is the wireless microcontroller based on CC2538 chips, based on ARM Cortex M3 cores, tool
There are the on piece flash memory and IEEE 802.15.4 radio-frequency enableds of the on piece RAM and 512KB of 32KB.
Analog-digital converter, RF transceiver modules, storage inside module, USB interface and power supply are equipped with the main control module
Monitoring module；Signal-regulated kinase is connected by ADC interface with analog-digital converter；RF transceiver modules, pressure value is sent into
6LoWPAN wireless sensor networks, pressure value access border router by way of relay, so as to fulfill the upload of data；
Power monitor module is connected with system power supply conditioning module；Storage inside module is connected with USB interface, is copied by USB interface
The historical pressures value in extraction hole where node.
The pressure sensor, using the high-precision gas/liquid pressure sensor of technical grade 0.1%, is located at coal bed gas drainage
Hole, it is in a linear relationship in gamut 0-500psi (0-3.5MPa) or 0-1000psi (0-7MPa) interior pressure value and output voltage,
Water protection standards with IPv5, can adapt to the pressure measurement under a variety of environment.
The structure of the underground 6LoWPAN wireless sensor networks is net structure.
Beneficial effect：A kind of coal-bed gas pressure monitoring system based on 6LoWPAN technology of Internet of things provided by the invention,
It can realize being wirelessly transferred for the data of underground, there is the features such as coverage is big, and conveniently, human intervention is few for access, low in energy consumption.
The monitoring system realizes the unattended effect in underground, the real-time transmission of data can be realized, so as to avoid manually making a copy of
The mistake of appearance.The mounting means of each node is consistent with conventional cursor gauge outfit mounting means, it is easy for installation need not be to worker
Extra training is carried out, using being wirelessly transferred, it is not necessary to extra supply line is added, avoids subsurface environment unordered in a jumble, it is low
The overall design of power consumption considerably increases the cruising ability of independent current source, can carry out long term monitoring to full wafer mining area, be pre- exploiting field
Extraction trouble free service, there is provided ensure.
Brief description of the drawings
Fig. 1 is that a kind of coal-bed gas pressure based on 6LoWPAN technology of Internet of things monitors system block diagram；
Fig. 2 is the structure diagram of pressure monitoring node.
Embodiment
The present invention is further elaborated with reference to the accompanying drawings and examples, but is not limitation of the invention.
As shown in Figure 1, a kind of coal-bed gas pressure monitoring system based on 6LoWPAN technology of Internet of things, including underground
6LoWPAN wireless sensor networks, border router, Industrial Ethernet, server, monitoring computer and intelligent terminal on well；
Underground 6LoWPAN wireless sensor networks are connected with border router；Border router is by Industrial Ethernet with being serviced on well
Device connects；Monitoring computer, intelligent terminal are connected by internet with server on well, and server obtains data from well；Institute
Several pressure monitoring nodes are equipped with the underground 6LoWPAN wireless sensor networks stated.
The pressure monitoring node, installed in the position in coal-bed gas pressure extraction hole.
As shown in Fig. 2, the pressure monitoring node, including it is main control module, pressure sensor, Signal-regulated kinase, aobvious
Show module, overload alarm module, external antenna, power module, system power supply conditioning module；Pressure sensor and signal condition mould
Block connects, and main control module is connected by ADC interface with Signal-regulated kinase, and main control module is connected by SPI interface and display module
Connect, main control module is connected by antennal interface with external antenna, main control module also respectively with overload alarm module, system power supply tune
Module connection is managed, system power supply conditioning module is also connected with power module.
The main control module, is the wireless microcontroller based on CC2538 chips, based on ARM Cortex M3 cores, tool
There are the on piece flash memory and IEEE 802.15.4 radio-frequency enableds of the on piece RAM and 512KB of 32KB.
Analog-digital converter, RF transceiver modules, storage inside module, USB interface and power supply are equipped with the main control module
Monitoring module；Signal-regulated kinase is connected by ADC interface with analog-digital converter；RF transceiver modules, pressure value is sent into
6LoWPAN wireless sensor networks, pressure value access border router by way of relay, so as to fulfill the upload of data；
Power monitor module is connected with system power supply conditioning module；Storage inside module is connected with USB interface, is copied by USB interface
The historical pressures value in extraction hole where node.
The pressure sensor, using the high-precision gas/liquid pressure sensor of technical grade 0.1%, is located at coal bed gas drainage
Hole, it is in a linear relationship in gamut 0-500psi (0-3.5MPa) or 0-1000psi (0-7MPa) interior pressure value and output voltage,
With IP65 waterproofing grade, the pressure measurement under a variety of environment can adapt to.
The structure of the underground 6LoWPAN wireless sensor networks is net structure.
When the system works, first by the position for being installed to extraction hole of the pressure sensor of pressure monitoring node, start
Power supply, node work, all node installations in whole exploiting field in place and is started shooting, pressure sensor output pressure signal, passes through
Signal-regulated kinase is input a signal into 12 analog-digital converters of CC2538 chips；By the external LCD display of SPI interface,
Can be with artificial observation real-time pressure when needing；CC2538 chips analyze pressure value by threshold process, when pressure value surpasses
The scope of security regulations is crossed, then triggers overload alarm module, carries out sound-light alarm；The monitoring node of access 6LoWPAN networks leads to
The RF transceiver modules inside CC2538 are crossed, pressure value are sent into sensor network, pressure value accesses border by way of relay
Router, it is achieved thereby that the upload of data, border router is located in the master station of underground, by Industrial Ethernet by real time data
Server on well is transferred to, data, which are realized, to be shared, and corresponding pressure data can be had access to by accessing the terminal of internet, so that real
Existing underground is unattended, the effect monitored in real time on well., can be by nearest a period of time using CC2538 internal storage spaces
Pressure data interim storage, the historical pressures value in extraction hole where node can be copied by wired mode by USB interface.
Whole monitoring node is offline power supply, by CC2538 internal electric source monitoring modules, realizes the electric quantity monitoring to lithium battery group, together
When ground back passed data by 6LoWPAN networks.
Claims (7)
1. a kind of coal-bed gas pressure monitoring system based on 6LoWPAN technology of Internet of things, it is characterised in that including underground
6LoWPAN wireless sensor networks, border router, Industrial Ethernet, server, monitoring computer and intelligent terminal on well；
Underground 6LoWPAN wireless sensor networks are connected with border router；Border router is by Industrial Ethernet with being serviced on well
Device connects；Monitoring computer, intelligent terminal are connected by internet with server on well, and server obtains data from well；Institute
Several pressure monitoring nodes are equipped with the underground 6LoWPAN wireless sensor networks stated.
2. a kind of coal-bed gas pressure monitoring system based on 6LoWPAN technology of Internet of things according to claim 1, it is special
Sign is, the pressure monitoring node, installed in the position in coal-bed gas pressure extraction hole.
3. a kind of coal-bed gas pressure monitoring system based on 6LoWPAN technology of Internet of things according to claim 1, it is special
Sign is, the pressure monitoring node, including main control module, pressure sensor, Signal-regulated kinase, display module, transfinites
Alarm module, external antenna, power module, system power supply conditioning module；Pressure sensor is connected with Signal-regulated kinase, master control
Module is connected by ADC interface with Signal-regulated kinase, and main control module is connected by SPI interface with display module, main control module
It is connected by antennal interface with external antenna, main control module is also connected with overload alarm module, system power supply conditioning module respectively,
System power supply conditioning module is also connected with power module.
4. a kind of coal-bed gas pressure monitoring system based on 6LoWPAN technology of Internet of things according to claim 3, its
It is characterized in that, the main control module, is the wireless microcontroller based on CC2538 chips, based on ARM Cortex M3 cores, tool
There are the on piece flash memory and IEEE 802.15.4 radio-frequency enableds of the on piece RAM and 512KB of 32KB.
5. a kind of coal-bed gas pressure monitoring system based on 6LoWPAN technology of Internet of things according to claim 3, it is special
Sign is, analog-digital converter, RF transceiver modules, storage inside module, USB interface and power supply prison are equipped with the main control module
Depending on module；Signal-regulated kinase is connected by ADC interface with analog-digital converter；RF transceiver modules, send pressure value into 6LoWPAN
Wireless sensor network, pressure value access border router by way of relay, so as to fulfill the upload of data；Power monitoring
Module is connected with system power supply conditioning module；Storage inside module is connected with USB interface, and node place is copied by USB interface
The historical pressures value in extraction hole.
6. a kind of coal-bed gas pressure monitoring system based on 6LoWPAN technology of Internet of things according to claim 3, it is special
Sign is that the pressure sensor, using the high-precision gas/liquid pressure sensor of technical grade 0.1%, is located at coal bed gas drainage
Hole, it is in a linear relationship in gamut 0-500psi (0-3.5MPa) or 0-1000psi (0-7MPa) interior pressure value and output voltage,
Waterproofing grade with IP65, can adapt to the pressure measurement under a variety of environment.
7. a kind of coal-bed gas pressure monitoring system based on 6LoWPAN technology of Internet of things according to claim 1, it is special
Sign is that the structure of the underground 6LoWPAN wireless sensor networks is net structure.
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| CN201711269986.2A CN108035773A (en) | 2017-12-05 | 2017-12-05 | A kind of coal-bed gas pressure monitoring system based on 6LoWPAN technology of Internet of things |
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| CN201711269986.2A CN108035773A (en) | 2017-12-05 | 2017-12-05 | A kind of coal-bed gas pressure monitoring system based on 6LoWPAN technology of Internet of things |
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Cited By (3)
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| CN108900988A (en) * | 2018-06-06 | 2018-11-27 | 天津大学 | A kind of indoor electronic instrument temperature monitoring method based on 6LoWPAN |
| CN110475220A (en) * | 2019-06-30 | 2019-11-19 | 安徽宇艳智能机械科技有限公司 | A kind of underground monitoring network system based on 6lowpan communication protocol |
| CN111350546A (en) * | 2020-02-11 | 2020-06-30 | 安徽理工大学 | Coal mine gas monitoring system |
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