CN107820220A - A kind of mine emergency rescues multi-functional communications node - Google Patents

A kind of mine emergency rescues multi-functional communications node Download PDF

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Publication number
CN107820220A
CN107820220A CN201711214586.1A CN201711214586A CN107820220A CN 107820220 A CN107820220 A CN 107820220A CN 201711214586 A CN201711214586 A CN 201711214586A CN 107820220 A CN107820220 A CN 107820220A
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China
Prior art keywords
data
rescue
mine
node
cpu
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
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CN201711214586.1A
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Chinese (zh)
Inventor
刘景勇
霍羽
梁作生
单成方
李亚锋
万威
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xuzhou Zhongkuang Digital Mining Technology Research Institute
Baicheng Zhongwei Coal Industry Co Ltd
Wuhan University of Technology WUT
Original Assignee
Xuzhou Zhongkuang Digital Mining Technology Research Institute
Baicheng Zhongwei Coal Industry Co Ltd
Wuhan University of Technology WUT
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by Xuzhou Zhongkuang Digital Mining Technology Research Institute, Baicheng Zhongwei Coal Industry Co Ltd, Wuhan University of Technology WUT filed Critical Xuzhou Zhongkuang Digital Mining Technology Research Institute
Priority to CN201711214586.1A priority Critical patent/CN107820220A/en
Publication of CN107820220A publication Critical patent/CN107820220A/en
Pending legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W4/00Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/06Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
    • GPHYSICS
    • G08SIGNALLING
    • G08CTRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C17/00Arrangements for transmitting signals characterised by the use of a wireless electrical link
    • G08C17/02Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
    • GPHYSICS
    • G08SIGNALLING
    • G08CTRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C19/00Electric signal transmission systems
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W4/00Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/02Services making use of location information
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W84/00Network topologies
    • H04W84/18Self-organising networks, e.g. ad-hoc networks or sensor networks

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

Rescued the invention discloses a kind of mine emergency and unit, wireless transmit/receive units, NIU and some positioning terminals composition are controlled in multi-functional communications node, including supply control unit, CPU.After the generation accident of mine, underground communica tion circuit and facility can suffer from part or destructive destruction, communication is caused to be obstructed, in traditional mine search-and-rescue work, to avoid that second accident occurs, down-hole power supply can be completely severed after mine accident generation, the power supply of communication line and facility can be also cut off, the communication node of the present invention can pass through emergency management and rescue communication system information platform of the fast construction based on signal wire and power line composite cable and wireless self-networking, scout scene of the accident accurate picture, data are provided for field rescue commander to support, ensure field rescue work expansion in order, avoid rescuing team member itself injures and deaths, realize safe rescue.It is can also be applied to other emergency rescue scenes in addition to mine, application prospect are very wide.

Description

A kind of mine emergency rescues multi-functional communications node
Technical field
The invention belongs to mine emergency rescue technique field, more particularly to a kind of mine emergency rescue multi-functional communications section Point.
Background technology
After catastrophe occurs for mine, when fire, Gas Outburst and explosion accident especially occurs, because the scene of the accident supplies Electricity interrupts, and ventilating system is destroyed to cause composition of air to change, and has been unsuitable for eupnea.Underground communica tion circuit and facility Part or destructive destruction are can suffer from, causes communication to be obstructed.The situation of the scene of the accident can only be by wearing oxygen breathing apparatus Rescue team member enter disaster area and scout and could grasp, accurately ascertain the property of accident, scope, in danger, wrecked personnel amount and position Put, and situations such as ventilation, gas, dust, toxic and harmful gas, temperature, its result scouted is that the headquarter that speedily carry out rescue work are comprehensive The condition of a disaster and the important evidence of correct decisions are solved, and mine rescue crew fully understands the condition of a disaster, realizes the important guarantee of safe rescue. The accurate location of the stranded miner of positioning in time, very necessary to search and rescue and rescue action after scouting, contributes to rescue group first Time reaches accurate place, saves the precious life of stranded miner.
Following technical barrier be present in existing mine emergency rescue field:Existing sensor in Disastrous environment adaptability compared with Difference, message transmission capability after generation accident in disaster area is not strong, disaster early warning system covering is not complete, catastrophe information response is too late When;Emergency rescue scene communication frequency resources requirement is big, is communicated between different communication equipment and emergency command communications management system Standard and communication pattern are incompatible;Rescue communication terminal waterproof, the explosion-proof, communication such as high temperature-proof poor performance, emergency management and rescue intercom Functions of the equipments are less, fixation is inconvenient, transmission power is low, communication distance is short, antijamming capability is weak;Accident occurs for mine communication system Shi Yi is damaged, and existing mine explosion-suppression or Flameproof and intrinsically safe ground through communication system portability is poor, security, reliability are inadequate It is high;Wireless network node equipment communication apart from it is short, antijamming capability is weak, sensitivity is low, cruising time is shorter, long-distance optical fiber leads to Letter be limited by rescue personnel once portable communications optical cable limited length and be difficult to;Existing communication system cable heaviness, Can not voluntarily it be merged between wired communication system and wireless communication system;Existing all kinds of emergency management and rescue Platform communication modes are single, Function is scattered, information and date analysis ability is poor, intelligence degree is low, and emergency management and rescue platform lacks high with disaster area investigation equipment room Effect interconnection, lack rescue decision-making advanced technology means;Existing human life detection is difficult to the difficult member of end-on and is detected and searched for Positioning;RFID identification card can not be realized to personnel in the pit's geographical coordinate position the problems such as being accurately positioned.
In face of disaster, " communication rescue life " is a primary emergent criterion, and signal wire is based on by fast construction With power line composite cable and the emergency management and rescue communication system information platform of wireless self-networking, scene of the accident accurate picture is scouted, Data are provided for field rescue commander to support, are ensured field rescue work expansion in order, are avoided rescuing team member itself injures and deaths, realize Safe rescue.Mining multifunctional communication node is key equipment in mine emergency rescue communication system, the present invention be based on Upper background produces.
The content of the invention
In order to overcome deficiency present in the existing mine emergency rescue communication technology, the present invention provides a kind of mine emergency and rescued Multi-functional communications node is helped, emergency management and rescue communication system can be quickly laid after calamity, interconnects different communication equipment isomery, it is real Existing two way voice communication and radio broadcasting, transmission of video function;Collection scene of the accident environment gas, carbon monoxide, oxygen in real time Etc. parameter;Monitoring rescue personnel and the vital sign parameter by rescue personnel in real time, provided in fact for ground and downhole rescuing commander When accurate decision-making foundation.
To achieve the above object, a kind of mine emergency of the invention rescue multi-functional communications node, including power supply control list Unit, wireless transmit/receive units, NIU and some positioning terminals composition are controlled in member, CPU;
The supply control unit is matched somebody with somebody for DCDC control chips with LDO chips to be combined into, there is provided reliable and stable power supply ensures, real Now stable 3.3V/3A DC currents and the supply of 1.2V/1A DC currents, it uses composite cable to power, and power supply distance is not small Distance between 1Km, node is no more than 50m when disposing, and first node is provided by special power supply, the node within 1Km Power supply is provided using the feed of data wire, and start node uses the service cable of composite cable during more than 1Km, is used with posterior nodal point The feed of data wire provides;
Unit core is controlled in the CPU to be made up of MT7620 and supporting DDR chips, realizes that the core processing of data exchanges work( Can, the processing of data is provided with exchanging and realizing emergency management and rescue multi-functional communications for upstream data port and downstream data ports The management of node;
The wireless transmit/receive units are the reception and transmission of wireless data, and wireless transmit/receive units realize filtering, being whole for wireless data Shape, signal amplification, wireless transmit/receive units realize that data are led to control unit and the direct data transfer of NIU in CPU Road;
The NIU is made up of upstream data interface and downlink data interface, realizes the downstream transmission of cable data Interface, set up into complete up-downgoing data transmission channel;
The positioning terminal is equipped with different type according to personnel in the pit, vehicle, equipment, and wireless transmit/receive units gather positioning eventually in real time The wireless signal at end, control unit quickly catches positioning terminal position by Bootstrap filtering algorithm in CPU, in cable coverage Full process positioning, the well direction that comes in and goes out is judged by the motion track of positioning terminal, Real-Time Positioning 2 under positioning terminal inactive state In rice.
Preferably, the direct current supply voltage ripple that the supply control unit provides is not more than 10mV.
Preferably, the software systems that unit is controlled in the CPU are based on (SuSE) Linux OS, and controlling unit in CPU supports two-way The exchange processing of 100/1000Mbps Ethernet datas.
Preferably, the PDR for unit being controlled in the CPU is not less than 400Mhz.
Preferably, the radio signal frequency of the wireless data transceiving unit is 2.4Ghz, for receiving location data, language Sound data, transmission broadcast data and auxiliary rescue data.
Preferably, the NIU supports upstream data interface, downlink data interface, is the 100/ of standard 1000Mbps Ethernet interfaces, realize the one or more in location data, speech data, broadcast data, auxiliary rescue data The transmission of data.
Preferably, the function of voice communication of speech data, in underground using the terminal for possessing function of voice communication, nothing is passed through Line Transmit-Receive Unit can provide the user moving speech communication business while positioning, and can be roamed in the whole network orientation, make Underground communica tion breaks away from the constraint of cable, ensure on well, the communication of underground it is unimpeded.
Preferably, this communication node supports point-to-point, point-to-multipoint delivery, downhole terminal can be carried out by dispatching desk wide Broadcast, multicast, and support to net the communication between interior dispatching telephone, mobile terminal, support to realize intercommunication between off-net telephony and downhole terminal.
Beneficial effects of the present invention:Signal wire can be based on by fast construction with power line composite cable and wirelessly from group The emergency management and rescue communication system information platform of net, scene of the accident accurate picture is scouted, providing data for field rescue commander supports, Ensure field rescue work expansion in order, avoid rescuing team member itself injures and deaths, realize safe rescue, application prospect is very wide.
Brief description of the drawings
Accompanying drawing 1 is the overall structure diagram that a kind of mine emergency rescues multi-functional communications node;
Accompanying drawing 2 is the schematic diagram of supply control unit;
Accompanying drawing 3 is the schematic diagram that unit is controlled in CPU;
Accompanying drawing 4 is the schematic diagram of wireless transmit/receive units;
Accompanying drawing 5 is the structural representation of NIU;
Accompanying drawing 6 implements schematic diagram for deployment.
Embodiment
As Figure 1-Figure 5, a kind of mine emergency of the invention rescue multi-functional communications node, including supply control unit 1st, unit 2, wireless transmit/receive units 3, NIU 4 and some positioning terminals composition are controlled in CPU;
The supply control unit 1 is matched somebody with somebody for DCDC control chips with LDO chips to be combined into, there is provided reliable and stable power supply guarantee, Stable 3.3V/3A DC currents and the supply of 1.2V/1A DC currents are realized, it uses composite cable to power, and power supply distance is not Less than 1Km, the distance between node is no more than 50m when disposing, and first node is provided by special power supply, the section within 1Km Point power supply is provided using the feed of data wire, and start node uses the service cable of composite cable during more than 1Km, is adopted with posterior nodal point There is provided with the feed of data wire, externally fed can be direct current 9V to 15V scope, and standard uses 12V input standards;
The core of unit 2 is controlled in the CPU to be made up of MT7620 and supporting DDR chips, realizes that the core processing of data exchanges work( Can, the processing of data is provided with exchanging and realizing emergency management and rescue multi-functional communications for upstream data port and downstream data ports The management of node, unit 2 is controlled in CPU by basic CPU and peripheral reset circuit, program storing circuit, DDR external cache circuits Composition, realize the basic exchange management circuit of data;
The wireless transmit/receive units 3 be wireless data reception and transmission, wireless transmit/receive units 3 realize wireless data filtering, Shaping, signal amplification, wireless transmit/receive units 3 realize that data pass with controlling unit 2 and 4 direct data of NIU in CPU Defeated passage, the data that unit 2 is controlled in CPU are sent, by being converted to radio frequency after antenna after filter shape, power amplification 2.4Ghz wireless signal is transmitted;It is hair that the process that unit 2 carries out data receiver by wireless transmit/receive units 3 is controlled in CPU The inverse process of journey is passed through, wireless signal receives by antenna, is then sent into after overpower prosperity and filter shape in CPU and controls list Member 2, realizes the reception of data;
The NIU 4 is made up of upstream data interface and downlink data interface, realizes that the up-downgoing of cable data passes Defeated interface, sets up into complete up-downgoing data transmission channel, in the transmitting procedure of network data, upstream data interface, under Row data-interface, wireless data interface, the direct data interaction status of three kinds of interfaces are equal, and the data of three are can be What three interfaces were directly intercoursed, so as to construct a transparent data transfer communications platform;
The positioning terminal is equipped with different type, the collection positioning in real time of wireless transmit/receive units 3 according to personnel in the pit, vehicle, equipment The wireless signal of terminal, control unit 2 quickly catches positioning terminal position by Bootstrap filtering algorithm in CPU, and model is covered in cable Interior full process positioning is enclosed, judges the well direction that comes in and goes out, to position in real time under positioning terminal inactive state by the motion track of positioning terminal In 2 meters of precision.
The direct current supply voltage ripple that the supply control unit 1 provides is not more than 10mV.
The software systems that unit 2 is controlled in the CPU are based on (SuSE) Linux OS, and controlling unit 2 in CPU supports two-way 100/ The exchange of 1000Mbps Ethernet datas is handled, and the PDR that unit 2 is controlled in the CPU is not less than 400Mhz.
The radio signal frequency of the wireless data transceiving unit 3 is 2.4Ghz, for receiving location data, voice number According to, transmission broadcast data and auxiliary rescue data.
The NIU 4 supports upstream data interface, downlink data interface, is the 100/1000Mbps of standard Ethernet interface, realize that location data, speech data, broadcast data, auxiliary rescue the biography of one or more data in data It is defeated.
The present invention also has the transfer function of data/address bus, the various essential safe type monitoring devices in underground, such as gas density Detector, wind pressure sensor, roof pressure sensor, the rescue data terminal such as team member and distress personnel human body vital sign, lead to Cross wireless transmit/receive units 3 and data summarization is controlled into unit 2 into CPU, being then transferred to data/address bus by NIU 4 causes The analysis and decision that ground monitoring center is integrated.
The present invention is an open Base communication platform, as long as standard wireless communication specification is deferred to by any producer, just Its sensor, controller and personnel's communication apparatus can be dissolved into the communication network of mine emergency rescue, realize personnel With the unified management and interaction of equipment.
Deployment is implemented:Fig. 6 implements schematic diagram for deployment, and the present invention is encapsulated by mine intrinsic safety, both ends connection composite cable Can be suspended on as common cable in the wall of mine accident scene, can montage, bifurcated, tensile wear-resistant, can it is perfect should To the branched structure that mine accident scene tunnel is complicated, as long as the space of cable can be laid, this communication system can be laid, The structural factor such as the turning by space, branch road is not influenceed, and deployment way is extremely simple and quick, is won for mine accident emergency management and rescue Obtain the quality time.It is most long between two adjacent energized positions to connect 2km using design low in energy consumption, solve underground power taking hardly possible Problem;Signal is uniform, all standing, and the place that multi-functional communications node is routed to can form uniform wireless signal covering, cover Lid using cable as 30 meters of radius in the range of, compared with traditional base station deployment mode, cover no dead angle, non-blind area, anti-interference energy Power is stronger;Easy care, repair soon, multi-functional communications node possesses self-checking function, and backstage monitors cable, transcriber etc. in real time The running status of equipment, failure and alarm;Remote diagnosis is supported, upgrade and the operation such as restarts;There is event in certain section of cable Barrier, can directly be wiped out, and connecing the new anew cable of the preceding paragraph using quick connector completes troubleshooting work;Cable connection uses cold joint Mode, without professional tool, single-handedly or it can be completed using simple instrument.
Described above is only a kind of multi-functional communications node preferred embodiment of the present invention, it should be pointed out that:For this skill For the those of ordinary skill in art field, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, These improvements and modifications also should be regarded as protection scope of the present invention.

Claims (6)

1. a kind of mine emergency rescues multi-functional communications node, it is characterised in that:Including supply control unit(1), control in CPU it is single Member(2), wireless transmit/receive units(3), NIU(4)Formed with some positioning terminals;
The supply control unit(1)Match somebody with somebody for DCDC control chips with LDO chips and be combined into, there is provided reliable and stable power supply is protected Card, stable 3.3V/3A DC currents and the supply of 1.2V/1A DC currents are realized, it uses composite cable to power, power supply distance Not less than 1Km, the distance between node is no more than 50m when disposing, and first node is provided by special power supply, within 1Km Node power supply is provided using the feed of data wire, and start node uses the service cable of composite cable during more than 1Km, with posterior nodal point There is provided using the feed of data wire;
Unit is controlled in the CPU(2)Core is made up of MT7620 and supporting DDR chips, realizes that the core processing of data exchanges Function, the processing of data is provided with exchanging and realizing that emergency management and rescue are multi-functional logical for upstream data port and downstream data ports Believe the management of node;
The wireless transmit/receive units(3)For the reception and transmission of wireless data, wireless transmit/receive units(3)Realize the filter of wireless data Ripple, shaping, signal amplification, wireless transmit/receive units(3)Realize data with controlling unit in CPU(2)And NIU(4)Directly Data transmission channel;
The NIU(4)It is made up of upstream data interface and downlink data interface, realizes the up-downgoing of cable data The interface of transmission, set up into complete up-downgoing data transmission channel;
The positioning terminal is equipped with different type, wireless transmit/receive units according to personnel in the pit, vehicle, equipment(3)Collection is fixed in real time The wireless signal of position terminal, controls unit in CPU(2)Positioning terminal position is quickly caught by Bootstrap filtering algorithm, covered in cable Full process positioning in the range of lid, it is real-time under positioning terminal inactive state by the motion track judgement discrepancy well direction of positioning terminal In 2 meters of positioning precision.
2. mine emergency according to claim 1 rescues multi-functional communications node, it is characterised in that:The power supply control list Member(1)The direct current supply voltage ripple of offer is not more than 10mV.
3. mine emergency according to claim 1 rescues multi-functional communications node, it is characterised in that:Controlled in the CPU single Member(2)Software systems be based on (SuSE) Linux OS, control unit in CPU(2)Support two-way 100/1000Mbps Ethernet datas Exchange processing.
4. mine emergency according to claim 3 rescues multi-functional communications node, it is characterised in that:Controlled in the CPU single Member(2)PDR be not less than 400Mhz.
5. mine emergency according to claim 1 rescues multi-functional communications node, it is characterised in that:The wireless data is received Bill member(3)Radio signal frequency be 2.4Ghz, for receiving location data, speech data, transmission broadcast data and auxiliary Rescue data.
6. mine emergency according to claim 1 rescues multi-functional communications node, it is characterised in that:The network interface list Member(4)Upstream data interface, downlink data interface are supported, is the 100/1000Mbps Ethernet interfaces of standard, realizes positioning Data, speech data, broadcast data, auxiliary rescue the transmission of one or more data in data.
CN201711214586.1A 2017-11-28 2017-11-28 A kind of mine emergency rescues multi-functional communications node Pending CN107820220A (en)

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CN108419219A (en) * 2018-04-03 2018-08-17 中国矿业大学 The emergent disaster assistance communication system communicated using D2D
CN110222919A (en) * 2019-04-18 2019-09-10 天津科技大学 Emergency management and rescue platform
CN112738654A (en) * 2021-02-04 2021-04-30 四川师范大学 Disaster relief base station and rescue system based on ad hoc network
CN114183190A (en) * 2021-12-06 2022-03-15 中国矿业大学(北京) Underground post-disaster rescue device and implementation method

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CN207939744U (en) * 2017-11-28 2018-10-02 拜城县众维煤业有限公司 A kind of mine emergency rescue multi-functional communications node

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Publication number Priority date Publication date Assignee Title
CN108419219A (en) * 2018-04-03 2018-08-17 中国矿业大学 The emergent disaster assistance communication system communicated using D2D
CN110222919A (en) * 2019-04-18 2019-09-10 天津科技大学 Emergency management and rescue platform
CN112738654A (en) * 2021-02-04 2021-04-30 四川师范大学 Disaster relief base station and rescue system based on ad hoc network
CN114183190A (en) * 2021-12-06 2022-03-15 中国矿业大学(北京) Underground post-disaster rescue device and implementation method
CN114183190B (en) * 2021-12-06 2022-06-24 中国矿业大学(北京) Underground post-disaster rescue device and implementation method

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