CN105722021A - Mine water inrush accident rescue underwater acoustic communication system - Google Patents
Mine water inrush accident rescue underwater acoustic communication system Download PDFInfo
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- CN105722021A CN105722021A CN201610201961.8A CN201610201961A CN105722021A CN 105722021 A CN105722021 A CN 105722021A CN 201610201961 A CN201610201961 A CN 201610201961A CN 105722021 A CN105722021 A CN 105722021A
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- 238000004891 communication Methods 0.000 title claims abstract description 87
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 38
- 238000012545 processing Methods 0.000 claims description 27
- 238000005065 mining Methods 0.000 claims description 14
- 230000005540 biological transmission Effects 0.000 claims description 9
- 238000005516 engineering process Methods 0.000 abstract description 8
- 238000013461 design Methods 0.000 abstract description 7
- 238000006243 chemical reaction Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 description 9
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- 230000006855 networking Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 3
- 230000005236 sound signal Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000002609 medium Substances 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- 201000004569 Blindness Diseases 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000012736 aqueous medium Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
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- 238000001514 detection method Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
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- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
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- 230000009182 swimming Effects 0.000 description 1
- -1 there is humidity Substances 0.000 description 1
Classifications
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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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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B11/00—Transmission systems employing sonic, ultrasonic or infrasonic waves
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/70—Services for machine-to-machine communication [M2M] or machine type communication [MTC]
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- 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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Abstract
The invention relates to a mine water inrush accident rescue underwater acoustic communication system, which comprises a portable land mobile wireless sensing network node, a land water signal conversion node, an underwater communication sensing network node and a remote control management center, wherein the portable land mobile wireless sensing network node is used for underground personnel; and the land water signal conversion node, the underwater communication sensing network node and the remote control management center are used for converting and transmitting the collected land wireless signal and underwater acoustic signal. The system fully utilizes a combination of land communication and underwater communication and designs a communication node to meet different site conditions, so not only is the underwater communication guaranteed, but also the communication of an anhydrous medium area is guaranteed; by combing an underwater acoustic communication technology with a wireless sensing network technology to build a sensing network which is used for emergency communication when a water inrush accident occurs, the communication between ground and underground personnel is realized under the condition that a mine power is in outage, the underground personnel can avoid the danger in emergency according to a given indication information, the ground personnel knows underground related information, and the effective liaison between the ground and underground personnel is realized; and thus, the rescue work is developed with pertinence, and a huge application prospect is displayed.
Description
Technical field
The invention belongs to the mining communications field, be specifically related to a kind of mining water leak accident rescue underwater sound communication system.
Background technology
According to incompletely statistics, there are 11 particularly serious colliery water leak accidents from the whole nation between 2003 to 2013 10 years.After water leak accident occurs in colliery, in order to avoid second accident is necessary to switch off whole down-hole power supply, this also directly results in each communication apparatus of mine and cannot normally use.Colliery flooding disaster district environment and condition have certain complexity and abominable simultaneously, therefore also result in when accident occurs, trapped personnel can not obtain contact timely and effectively with ground accident rescue command, rescue base, down-hole, down-hole accident field condition cannot be had a concrete understanding by aboveground personnel, rescue command work tool is born the character of much blindness, thus causing fortune loss and casualties.
The existing equipment for water leak accident rescue is relatively more at present, as Chinese patent CN203035235U discloses the permeable rapid emergency treatment car and boat in a kind of colliery, CN102529619A discloses a kind of mining amphibious lifeguard submarine system, but these equipment have a common defect to be exactly do not possess and function aboveground, personnel in the pit's liaison, it is not strong that this allows for rescue work targeted, delays the rescue time of preciousness.Therefore, it is badly in need of in the industry a kind of emergency communication system for the rescue of colliery water leak accident, this system is utilized to realize effective contact of underground personnel, determine the environmental aspect residing for personnel in the pit and safe condition, to precise informations such as aboveground rescue personnel offer stranded number, vital sign, present positions accurately, realize the efficient communication of aboveground personnel in the pit under disaster environment, thus carrying out rescue work in time.
Chinese Patent Application No. 201010228366.6 discloses a kind of intelligent wireless communication system for coal mine, base station is wireless link with base station, base station and terminal room, using dynamically can the Time synchronization technique of automatic compensation, and can encode and tree network Intelligent routing technology by time delay command, the wireless telecommunication system flexibly of base station Dynamical Deployment is achieved with relatively low cost, it is easy to routine safety management and the scheduling of the complex environments such as colliery, and base station itself is from charged pool, it is also possible in accident rescue and scene of the accident well ground emergency communication.This system utilizes radio position finding radio directional bearing principle, reaches the two-way real-time communication between ground control centre and underground operators.But specific implementation is not made detailed description by this patent.
Chinese Patent Application No. 201120396013.7 discloses a kind of mineral hydrological monitoring system, this system includes sensor, transducer, some communication sub-stations, flame proof power supply, signal spark gap, central station host and ups power, but this system mainly adopts some sensors to monitor the change of the hydrology, thus greatly reducing the labor intensity of monitoring personnel, to reduce the generation of mine perviousness accident, and cannot be used for the rescue that accident occurs.
Summary of the invention
It is an object of the invention to provide a kind of mining water leak accident rescue underwater sound communication system, the problem of underground efficient communication in accident cannot be realized solving existing communication and deliverance apparatus.
For achieving the above object, the present invention adopts the following technical scheme that a kind of mining water leak accident rescue underwater sound communication system, including the land mobile radio sensing network node portable for personnel in the pit, for the land wireless signal of collection and underwater sound wave signal being carried out the Lu Shui signal switching node of converting transmission, subsurface communication sensing network node and ground remote control management center, described land mobile radio sensing network node is used for gathering personnel in the pit's positional information, subsurface environment information, described Lu Shui signal switching node includes the underwater acoustic transducer for being located at setting position, down-hole, this underwater acoustic transducer is land mobile radio sensing network node and the intermediary of subsurface communication sensing network node, described land mobile radio sensing network node, the radio sensing network that Lu Shui signal switching node and subsurface communication sensing network node are constituted is for transmitting information to the control administrative center on aboveground land.
Described land mobile radio sensing network node includes data acquisition module, data processing module and wireless module, the signal output part of described data acquisition module is connected with the signal input part of data processing module, and data processing module is connected with wireless module both-way communication.
Described Lu Shui signal switching node also includes data acquisition module, data processing module and wireless module, the signal output part of described data acquisition module is connected with the signal input part of data processing module, and data processing module is also connected with wireless module and underwater acoustic transducer communication.
Described subsurface communication sensing network node includes sensing unit, processing unit, acoustic modem and communication unit, and described sensing unit and acoustic modem, communication unit are all connected with processing unit.
The mining water leak accident rescue underwater sound communication system of the present invention takes full advantage of land communication and the combination communicated in water, design communication node is to meet Different field situation, this both ensure that subsurface communication, in turn ensure that the communication in anhydrous medium region, combine water sound communication technique with technology of wireless sensing network to set up and be used for the sensing network of emergency communication when water leak accident occurs, achieve when mine power breakdown aboveground, liaison between lower personnel, personnel in the pit can according to the instruction information urgent danger prevention provided, aboveground personnel recognize down-hole relevant information, realize effective contact of underground personnel, thus effectively carrying out rescue work, demonstrate huge application prospect.
Accompanying drawing explanation
Fig. 1 is the principle schematic of the mining water leak accident rescue underwater sound communication system of the present invention；
Fig. 2 is the schematic diagram of land mobile radio sensing network node；
Fig. 3 is the schematic diagram of Lu Shui signal switching node；
Fig. 4 is the schematic diagram of subsurface communication sensing network node；
Fig. 5 is the circuit theory diagrams of subsurface communication sensing network node；
Fig. 6 be mining water leak accident rescue underwater sound communication system realize schematic diagram.
Detailed description of the invention
It is illustrated in figure 1 the principle schematic of the mining water leak accident rescue underwater sound communication system of the present invention, as seen from the figure, this system includes the land mobile radio sensing network node portable for personnel in the pit, for the land wireless signal of collection and underwater sound wave signal being carried out the Lu Shui signal switching node of converting transmission, subsurface communication sensing network node and remote control management center, land mobile radio sensing network node is used for gathering personnel in the pit's positional information and terrestrial environment information, Lu Shui signal switching node includes the underwater acoustic transducer for being located at setting position, down-hole, this underwater acoustic transducer is land mobile radio sensing network node and the intermediary of subsurface communication sensing network node, achieve the conversion between electromagnetic wave signal and acoustic signals, complete the conversion to underwater sound wave signal/land wireless signal of the land wireless signal/underwater sound wave signal, described land mobile radio sensing network node, Lu Shui signal switching node, the radio sensing network that subsurface communication sensing network node is constituted is for by the control administrative center being transferred to aboveground land of information hop-by-hop.
As shown in Figure 2, the land mobile radio sensing network node of the present invention includes for gathering the data acquisition module of ambient parameter information, data processing module and wireless module, the signal output part of data acquisition module is connected with the signal input part of data processing module, and data processing module is connected with wireless module both-way communication；Data acquisition module includes various sensor, and such as Temperature Humidity Sensor, gas concentration sensor etc., data processing module can adopt CPU, MCU etc., such as STM32；Wireless module adopts CC2531 in order to transmit Zigbee signal.In addition, this node further comprises voice module, LCD MODULE, input through keyboard module, crystal oscillating circuit, reset circuit, power supply etc..This node is carried with by personnel in the pit, under normal circumstances can the information such as gas density near collector, temperature, humidity, use as fundamental surveillance equipment.
As shown in Figure 3, Lu Shui signal switching node also includes data acquisition module, data processing module and wireless module, the signal output part of described data acquisition module is connected with the signal input part of data processing module, and data processing module is also connected with wireless module and underwater acoustic transducer communication.Data acquisition module includes various sensor, and such as Temperature Humidity Sensor, gas concentration sensor etc., data processing module can adopt CPU, MCU etc., such as STM32；Wireless module adopts CC2531 in order to transmit Zigbee signal.In addition, this node also includes power amplifier, crystal oscillating circuit, reset circuit, power supply etc..Underwater acoustic transducer is arranged in the position of mine differing heights by solid, there is humidity, water level comprehensive detection function, at ordinary times in order to save energy, node is in sleep state, after having detected that water leak accident occurs, swimming in the node on the water surface and entered wake-up states by sleep state immediately, starting working as transducer converts the Zigbee signal received to underwater sound signal, in like manner this node receives the underwater sound signal that other modules send, and is converted into Zigbee signal.Receive with transmission, ultrasonic signal sends and reception, underwater sound communication networking, Zigbee communication networking, accident detect the functions such as wake-up it is to say, underwater acoustic transducer has Zigbee signal, it is possible to the absorption node as radio sensing network uses.
As shown in Figure 4, subsurface communication sensing network node includes sensing unit, processing unit, acoustic modem and communication unit, described sensing unit and acoustic modem, communication unit are all connected with processing unit, and described processing unit is connected with other underwater sound communication node by communication unit.Being illustrated in figure 5 a kind of specific implementation of this node, this node includes the converter, level switch module, communication module and the D/A converter that are sequentially connected with, and converter is used for connecting analogue signal input, and D/A converter is used for connecting analog signal output.The signal input of communication module and outfan are connected to CDMA demodulation and the CDMA modulation module of correspondence, for corresponding signal is carried out conversion process.Subsurface communication sensing network node constitutes wireless network by Ad hoc mode, the information of perception cooperatively, collection and process network coverage pit zone, and transfers data to remote control management center by Ad hoc mode.
As shown in Figure 6, this system is owing to realize the functions such as transmission and the reception of its mobile networking, the planning of escape route, signal, it is therefore desirable to the technology such as the research transplanting of Wireless Embedded System, dispatching algorithm, routing algorithm；Additionally, in down-hole, owing to terrain environment is complicated, the transmission of acoustic signals can be reflected, refraction effect is thus producing multi-path jamming, cause the problem that signal transmission produces significant attenuation, this system adopts the problem that stereoscopic grid coverage method is disturbed in conjunction with spread spectrum technic solving multipath, and adopts cross layer design technology and wake mechanism effective prolongation battery powered time, the problem solving energy supply up.
The exploitation of underwater acoustic transducer networking and function switching signal: owing to underwater acoustic transducer is underwater sound signal and the interface of air dielectric transmission radiofrequency signal of aqueous medium transmission, play the effect formed a connecting link, not only should have the function of signal transmission and conversion, consider that module only just plays a role when water leak accident occurs, thus needing to study effective energy saving method, namely from the scheduling of data link layer, physical layer hardware design, network layer protocol algorithm angle, the exploitation of modules is realized according to the thought of cross layer design.
The physical layer exploitation of underwater sound communication node and Topology Structure Design: based on the feature of underwater acoustic channel, simultaneously take account of the interval of consecutive points on frequency domain and have to be larger than the coherence bandwidth of channel, so intending adopting the frequency hopping communications of FSK modulation mode to realize.The same with the wireless sensor network structure of land, the topological structure of underwater sound Sensor Network can be divided into two big classes: one is to adopt typical hub-and-spoke configuration in small scale network；Another kind, in the environment that extensive, multinode, dispersion are intensive, the distributed p 2 p topological structure of establishment.This project needs to propose effective topological structure according to mine actual landform, solenoid condition.
Operation principle and the process of the present invention are as follows: consider the complexity of the situation after water leak accident generation, after permeable generation, tunnel there will be water or anhydrous two kinds of situations, and fill water for there being regimen condition can divide into tunnel and partly have two kinds of situations of water, namely water can fill tunnel sometimes, and be likely to sometimes only be concentrated in lowered zones, the communication system therefore designed should adapt to both of the above situation.
When anhydrous, land mobile radio sensing network node is carried with by personnel in the pit, under normal circumstances can the information such as gas density near collector, temperature, humidity, either directly through wireless module transmission to aboveground remote control management center, use as fundamental surveillance equipment.
When part has water, on the one hand, land mobile radio sensing network node or by transmitting information to aboveground remote control management center with the communication node networking in water；On the other hand, land mobile radio sensing network node and Lu Shui signal switching node carry out communication, transmit a signal to subsurface communication sensing network node and reach remote control management center in a multi-hop fashion further.When water is filled in tunnel, then can not adopt the mode that land is wirelessly transferred, then just finally in multi-hop mode, signal is reached remote control management center only by land mobile radio sensing network node, Lu Shui signal switching node, subsurface communication sensing network node networking.
This communication system takes full advantage of underwater sound communication and is combined design communication node with Zigbee to meet the technical method of Different field situation, this both ensure that subsurface communication, in turn ensure that the communication in anhydrous medium region, combine water sound communication technique with technology of wireless sensing network to set up and be used for the sensing network of emergency communication when water leak accident occurs, achieve when mine power breakdown aboveground, liaison between lower personnel, personnel in the pit can according to the instruction information urgent danger prevention provided, aboveground personnel recognize down-hole relevant information, realize effective contact of underground personnel, thus effectively carrying out rescue work, demonstrate huge application prospect.
Above example is only adapted to assist in the core concept understanding the present invention; the present invention can not be limited with this; for those skilled in the art; every thought according to the present invention; the present invention is modified or equivalent replacement; the any change done in specific embodiments and applications, should be included within protection scope of the present invention.
Claims (4)
1. a mining water leak accident rescue underwater sound communication system, it is characterized in that: include the land mobile radio sensing network node portable for personnel in the pit, for the land wireless signal of collection and underwater sound wave signal being carried out the Lu Shui signal switching node of converting transmission, subsurface communication sensing network node and remote control management center, described land mobile radio sensing network node is used for gathering personnel in the pit's positional information and subsurface environment information, described Lu Shui signal switching node includes the underwater acoustic transducer for being located at setting position, down-hole, this underwater acoustic transducer is land mobile radio sensing network node and the intermediary of subsurface communication sensing network node, described land mobile radio sensing network node, Lu Shui signal switching node, the radio sensing network that subsurface communication sensing network node is constituted is for transmitting information to the control administrative center on aboveground land.
2. mining water leak accident according to claim 1 rescue underwater sound communication system, it is characterized in that: described land mobile radio sensing network node includes data acquisition module, data processing module and wireless module, the signal output part of described data acquisition module is connected with the signal input part of data processing module, and data processing module is connected with wireless module both-way communication.
3. mining water leak accident according to claim 1 rescue underwater sound communication system, it is characterized in that: described Lu Shui signal switching node also includes data acquisition module, data processing module and wireless module, the signal output part of described data acquisition module is connected with the signal input part of data processing module, and data processing module is also connected with wireless module and underwater acoustic transducer communication.
4. the mining water leak accident rescue underwater sound communication system according to claim 1-3 any one, it is characterized in that: described subsurface communication sensing network node includes sensing unit, processing unit, acoustic modem and communication unit, and described sensing unit and acoustic modem, communication unit are all connected with processing unit.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106900670A (en) * | 2017-01-13 | 2017-06-30 | 浙江大学 | Aid in the intelligence of mobile phone control sub-aqua sport camera cursory |
| CN107302402A (en) * | 2017-06-23 | 2017-10-27 | 杭州宜清自动化控制技术有限公司 | A kind of wisdom power plant wireless messages monitoring system and method based on sound communication |
| CN114624644A (en) * | 2022-02-22 | 2022-06-14 | 太原理工大学 | Miner's lamp capable of realizing accurate positioning of underground trapped personnel in mine water permeation |
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| CN202467906U (en) * | 2012-02-16 | 2012-10-03 | 耿直 | Intelligent mine escape capsule |
| CN103634570A (en) * | 2013-11-22 | 2014-03-12 | 江苏科技大学 | Positioning survival alarm system for bathing beach personnel |
| CN204827536U (en) * | 2015-08-18 | 2015-12-02 | 安徽理工大学 | A information safety precaution device for detecting environment that permeates water in pit |
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2016
- 2016-04-05 CN CN201610201961.8A patent/CN105722021A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6802237B1 (en) * | 2003-04-28 | 2004-10-12 | The United States Of America As Represented By The Secretary Of The Navy | System and method for neutralization of mines using robotics and penetrating rods |
| US20110186290A1 (en) * | 2007-04-02 | 2011-08-04 | Halliburton Energy Services, Inc. | Use of Micro-Electro-Mechanical Systems (MEMS) in Well Treatments |
| CN202467906U (en) * | 2012-02-16 | 2012-10-03 | 耿直 | Intelligent mine escape capsule |
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| CN204827536U (en) * | 2015-08-18 | 2015-12-02 | 安徽理工大学 | A information safety precaution device for detecting environment that permeates water in pit |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106900670A (en) * | 2017-01-13 | 2017-06-30 | 浙江大学 | Aid in the intelligence of mobile phone control sub-aqua sport camera cursory |
| CN107302402A (en) * | 2017-06-23 | 2017-10-27 | 杭州宜清自动化控制技术有限公司 | A kind of wisdom power plant wireless messages monitoring system and method based on sound communication |
| CN114624644A (en) * | 2022-02-22 | 2022-06-14 | 太原理工大学 | Miner's lamp capable of realizing accurate positioning of underground trapped personnel in mine water permeation |
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Application publication date: 20160629 |