CN203050783U - Underground positioning and monitoring communication system - Google Patents
Underground positioning and monitoring communication system Download PDFInfo
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- CN203050783U CN203050783U CN 201220621551 CN201220621551U CN203050783U CN 203050783 U CN203050783 U CN 203050783U CN 201220621551 CN201220621551 CN 201220621551 CN 201220621551 U CN201220621551 U CN 201220621551U CN 203050783 U CN203050783 U CN 203050783U
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- 238000004891 communication Methods 0.000 title claims abstract description 99
- 238000012544 monitoring process Methods 0.000 title abstract description 19
- 238000010295 mobile communication Methods 0.000 claims abstract description 25
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 12
- 238000009434 installation Methods 0.000 claims description 7
- 239000013307 optical fiber Substances 0.000 claims description 6
- 230000003287 optical effect Effects 0.000 claims description 3
- 239000003245 coal Substances 0.000 abstract description 3
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 238000007726 management method Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 5
- 238000001914 filtration Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012935 Averaging Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000000060 site-specific infrared dichroism spectroscopy Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses an underground positioning and monitoring communication system, which comprises a positioning server, a storage server, a WEB server, a dispatching desk, a monitoring terminal, a wired communication subsystem, a wireless communication base station and an underground mobile communication device, wherein the adopted backbone network of the system is Ethernet; and the system is a comprehensive system which integrates three major system functions, i.e., monitoring, personnel positioning and communication for safe self-rescue in an underground coal mine. The positioning and monitoring system can timely and accurately reflect dynamic situations of personnel, equipment and environment of each underground region, so that management personnel can master the distribution situations of the personnel and the equipment and environmental conditions such as underground methane concentration at any time, and more rational dispatching management is facilitated. When accidents occur, rescuers can quickly learn the positional conditions of the personnel and the environmental conditions according to data and figures provided by the positioning and monitoring system and timely take a corresponding rescue measure, so that the working efficiency of emergency rescue is increased.
Description
Technical field
The utility model relates to a kind of Mine Monitoring and Control System.The utility model is specifically related to radio communication, technical fields such as wireless location, detection and geographic information computer.
Background technology
Coal mine downhole safety hedging six big systems comprise: monitoring, personnel positioning, communication, urgent danger prevention, compressed air self-help, water supply are sued and laboured.Wherein personnel personnel in the pit location is the important measures of safety in production.People adopt the whole bag of tricks that down-hole personnel position is detected for many years.
Actual use is based on REID (RFID) at present, and RFID utilizes RF-wise to carry out the noncontact two-way communication, to reach identifying purpose and swap data.Typical radio-frequency recognition system mainly comprises radio-frequency card and read write line two parts.Use RFID to have following problem:
1. positioning accuracy is limited by the read write line distribution density, can only realize zone location, can not accomplish that error is several meters accurate location, suppose that a RFID card reader is respectively put at two, 500 meters tunnels in the down-hole, they are only having detectability in each 30 meters distance of two card reader, and the personnel positions information in 440 meters in the middle of can't knowing;
2. limited by the RFID read or write speed, can not handle many people simultaneously fast by the situation of card-reading system, be prone to skip.
Based on the navigation system of Zigbee wireless sensor network, as the CC2431 of the band hardware positioning engine of TI company, there is following problem in this engine of positioning based on the RSSI technology in the actual use in down-hole:
1. the down-hole mostly is the wire environment that the tunnel is formed, and is different from the plane positioning environment of clearing, and the installation site of radio communication router is subjected to spatial constraints;
2. the loss model of wireless signal is affected by environment huge.
3.Zigbee the hardware positioning engine of communication chip inside is applicable to that the plane positioning environment is as the criterion, positioning accuracy is subjected to radio communication router distribution space position and restricted number is installed;
4. because down-hole electric fixtures requirement of explosion proof is higher, cause the installation cost of radio communication router higher, so quantity is restricted, but the Zigbee wireless communication distance is shorter, there is not the radio communication router of sufficient amount can't satisfy the system communication requirement of down-hole long span, so in concrete engineering construction, have difficulties such as cost and installation;
The utility model content
The utility model purpose is to provide a kind of down-hole position monitor communication system, is the comprehensive utilization system of monitoring, personnel positioning and the communication three big systemic-functions of collection coal mine downhole safety hedging.Described positioning monitoring system can be in time, the current intelligence with each area people of down-hole, equipment and environment is reflected to the ground monitoring system accurately, make administrative staff can grasp ambient conditions such as the distribution situation of personnel, equipment and down-hole methane concentration at any time, be beneficial to more reasonably management and running.When contingency took place, data, figure that the rescuer can provide according to described positioning monitoring system were understood personnel in the pit's situation and ambient conditions rapidly, in time take to rescue accordingly measure, improve the efficient of emergency management and rescue work.
In order to realize the purpose of this utility model, the technical solution adopted in the utility model is:
Described down-hole position monitor communication system comprises: location-server, storage server, WEB server, dispatching desk, monitor terminal, wire communication subsystem, radio communication base station and underground mobile communication device; The wire communication subsystem comprises optical fiber, optical splitter and wireless exchange board; Radio communication base station comprises explosion-proof tank, power supply, reserve battery, radio reception device, antenna isolator and directional aerial; The underground mobile communication device comprises: down-hole dispatching communication apparatus, down-hole mobile phone, portable methane checkout equipment and the checkout gear by radio communication; The installation radio communication base station that keeps at a certain distance away in the down-hole, radio communication base station connects aboveground wireless exchange board and location-server by optical fiber; The underground mobile communication device is communicated by letter by wireless mode with radio communication base station; Two or more radio reception device is installed in the explosion-proof tank of radio communication base station; Each radio reception device connects the outer directional aerial of explosion-proof tank by the antenna isolator; The directional aerial of radio communication base station points to adjacent radio communication base station, and is relative with the directional aerial direction of adjacent radio communication base station; Location-server connects wireless exchange board by serial ports, by with the wireless exchange board serial communication, inquiry obtains the signal strength between the underground mobile communication device inserts in the network wireless radio reception device information, underground mobile communication device net card number and mobile communications device and radio reception device.
This system further comprises: two or more radio reception device is installed in the described radio communication base station, and each radio reception device connects directional aerial by the antenna isolator.
This system further comprises: radio communication base station is placed at the fork in the tunnel, and the fork connects the tunnel of M direction, uses M radio reception device, antenna isolator and directional aerial.
This system further comprises: the directional aerial installation direction is parallel to each tunnel, points to adjacent radio communication base station, and the direction of the directional aerial between adjacent radio communication base station is relative, mounted in pairs.
This system further comprises: the largest interval distance of adjacent radio communication base station is the coverage distance sum of two relative directional aerials of direction.
Description of drawings
Fig. 1 position monitor communication system is implemented schematic diagram
Fig. 2 radio communication base station constitutes block diagram
Fig. 3 tunnel interior orientation antenna is installed distribution map
Fork, Fig. 4 tunnel directional aerial distribution map
Fig. 5 location-server workflow diagram
Fig. 6 position computing schematic diagram.
The specific embodiment
In the embodiment shown in fig. 1, down-hole position monitor communication system comprises: location-server (3), storage server (4), WEB server (5), monitor terminal (1), dispatching desk (7), wire communication subsystem, radio communication base station (8) and mobile communications device (6).The wire communication subsystem is the backbone network of whole system, and the wire communication subsystem is main transmission medium with optical fiber.The wire communication subsystem comprises optical splitter, wireless exchange board network management devices such as (2).Keep at a certain distance away in the down-hole radio communication base station (8) is installed, connect aboveground location-server (3) by optical fiber.Radio communication base station (8) major function is the WI-FI wireless access.Location-server (3) is responsible for system communication management, data storage and the information service of personnel and equipment is provided for monitor terminal.Storage server is responsible for all and storage and the inquiry service of location with relevant data, store the personnel's that go into the well positional information, for monitor terminal and WEB server provide position and the required information of Environmental Monitoring service, comprise geographic information data, show the cartographic information that map interface is required for the WEB server provides the terminal use.The WEB server provides down-hole personnel position monitoring and methane concentration and temperature monitoring for the long-distance user with Web page type.Production scheduling personnel implement scheduling by dispatching desk to the personnel in the pit, and dispatching desk adopts the computer with touch screen functionality, has functions such as schedule information issue, short message managing, audio call and alert management.Monitor terminal adopts the double screen work station, shows down-hole personnel position monitoring management interface and subsurface environment monitoring management interface simultaneously; Down-hole personnel position monitoring management interface has map and shows, location of personnel demonstration inquiry, staff's data show functions such as inquiry, location of personnel statistics, historical position tracking inquiry; Subsurface environment monitoring management interface has the down-hole methane concentration and shows, downhole temperature shows, and realizes the part communication function of dispatching desk with the dispatching desk interlock, as: information issue, alarm issue etc.
As shown in Figure 2, radio communication base station comprises explosion-proof tank (14), power supply (10), reserve battery (13), radio reception device (11), antenna isolator (12) and directional aerial (15).Radio reception device (11) is called AP (Access Point) in standard WI-FI network, be responsible for mobile device and insert wired ethernet, by radio communication base station the WI-FI WLAN is covered each tunnel.Each AP is assigned service set identifier SSID and different physical address, navigation system is according to the different radio communication base station of physical address difference of AP, radio communication base station is supported the trans-regional roaming of mobile communications device, radio communication base station is used as location reference point when the computing of location simultaneously, the positional information of radio communication base station and identification information are stored in the location-server, for the location computing provides foundation.The underground mobile communication device inserts the WI-FI WLAN as standard WI-FI terminal device and communicates by letter with aboveground location-server.
As shown in Figure 3, radio communication base station is positioned at the middle part, tunnel, radio communication base station B (302) is adjacent with radio communication base station C (303) with radio communication base station A (301) respectively, radio communication base station A (301) is near the mine entrance on the relative position, radio communication base station C (303) is near work plane, two radio reception devices and two antenna isolators are installed in the explosion-proof tank of radio communication base station B (302), the other end of antenna isolator connects directional aerial, and directional aerial (15) points to radio communication base station A (301) and radio communication base station C (303) respectively along the tunnel, place; If the coverage distance of the directional aerial of radio communication base station B (302) is L1, the coverage distance of radio communication base station C (303) directional aerial is L2, for ensureing signal all standing in the tunnel, radio communication base station B (302) and the spacing distance L of radio communication base station C (303) should be smaller or equal to L1 and L2 sum, that is: L≤L1+L2.
As shown in Figure 4, when the fork appears in underworkings, need at position, fork placement radio communication base station (8), M is counted in tunnel according to actual all directions, in the explosion-proof tank (14) of radio communication base station, place M radio reception device (11), then add radio communication base station inadequately as required as the explosion-proof tank space, each roadway direction of sensing of the directional aerial that radio reception device connects (15).
As shown in Figure 5, the location computing of underground mobile communication device (6) is realized by following steps, location-server by with the wireless exchange board serial communication, inquiry obtains all devices tabulation (501) in the network; Location-server analyzing device tabulation (502) obtains radio reception device (11) information, mobile communications device (6) net card number and mobile communications device that each WI-FI mobile communications device inserts and the signal strength between radio reception device (11), adopt the limit filtration algorithm that the signal strength data are carried out filtering (503), the maximum deflection difference value that double sampling allows is P, establishes r
nBe this collection value, r
N-1For collection last time value, as r
n-r
N-1Then this time the collection value is effective for≤P, otherwise abandons this sub-value, uses sub-value and replaces, be i.e. r
n=r
N-1Judge whether gather the field intensity number of times arrives (504) n time, continue inquiry image data (501) as no show, as reaching n time, then all mobile communications devices and the signal strength between radio reception device that collects carried out arithmetic average filtering operation (505), with r
1... r
nThe computing of averaging of n collection value
The mobile communications device that computing obtains and the signal strength r between radio reception device will bring the following formula of r into
Obtain between the two apart from d (506); With tunnel the curvilinear equation on map apart from d substitution two radio communication base station places of mobile communications device to current wireless radio reception device 6, can obtain the current position coordinates (507) of mobile communications device on map, as shown in Figure 6, the tunnel of establishing two radio communication base station places is respectively (x for line endpoints always
1, y
1), (x
2, y
2), will apart from d and two point form linear equation solve an equation namely obtain the mobile communications device coordinate (x, y)
The position computing by location-server in combination diagram data finish., system stores position coordinates into storage server (507), and system picks up counting (508), to arrived positioning time next time, then begins inquiry collection (501) next time, prepares location next time.
Claims (5)
1. a down-hole position monitor communication system comprises: location-server, storage server, WEB server, dispatching desk, monitor terminal, wire communication subsystem, radio communication base station and underground mobile communication device; The wire communication subsystem comprises optical fiber, optical splitter and wireless exchange board; Radio communication base station comprises explosion-proof tank, power supply, reserve battery, radio reception device, antenna isolator and directional aerial; The underground mobile communication device comprises: down-hole dispatching communication apparatus, down-hole mobile phone, portable methane checkout equipment and the checkout gear by radio communication; The installation radio communication base station that keeps at a certain distance away in the down-hole, radio communication base station connects aboveground wireless exchange board and location-server by optical fiber; The underground mobile communication device is communicated by letter by wireless mode with radio communication base station; Two or more radio reception device is installed in the explosion-proof tank of radio communication base station; Each radio reception device connects the outer directional aerial of explosion-proof tank by the antenna isolator; The directional aerial of radio communication base station points to adjacent radio communication base station, and is relative with the directional aerial direction of adjacent radio communication base station; Location-server connects wireless exchange board by serial ports, by with the wireless exchange board serial communication, inquiry obtains the signal strength between the underground mobile communication device inserts in the network radio reception device information, underground mobile communication device net card number and mobile communications device and radio reception device.
2. position monitor communication system according to claim 1 is characterized in that: two or more radio reception device is installed in the described radio communication base station, and each radio reception device connects directional aerial by the antenna isolator.
3. position monitor communication system according to claim 2 is characterized in that: radio communication base station is placed at the fork in the tunnel, and the fork connects the tunnel of M direction, uses M radio reception device, antenna isolator and directional aerial.
4. position monitor communication system according to claim 2, it is characterized in that: the directional aerial installation direction is parallel to each tunnel, points to adjacent radio communication base station, and the direction of the directional aerial between adjacent radio communication base station is relative, mounted in pairs.
5. position monitor communication system according to claim 1 is characterized in that: the largest interval distance of adjacent radio communication base station is the coverage distance sum of two relative directional aerials of direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220621551 CN203050783U (en) | 2012-11-19 | 2012-11-19 | Underground positioning and monitoring communication system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220621551 CN203050783U (en) | 2012-11-19 | 2012-11-19 | Underground positioning and monitoring communication system |
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| CN203050783U true CN203050783U (en) | 2013-07-10 |
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| CN 201220621551 Expired - Fee Related CN203050783U (en) | 2012-11-19 | 2012-11-19 | Underground positioning and monitoring communication system |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103016061A (en) * | 2012-11-19 | 2013-04-03 | 中国矿业大学(北京) | Underground locating and monitoring communication system |
| CN103618560A (en) * | 2013-11-04 | 2014-03-05 | 中国矿业大学(北京) | Precise synchronization-unrequired coal mine underground spread spectrum accurate ranging method and device |
| CN103982240A (en) * | 2014-04-10 | 2014-08-13 | 中国矿业大学 | Coal mine personnel positioning and wireless communication integral system |
| CN104314615A (en) * | 2014-09-03 | 2015-01-28 | 山西阳光三极科技有限公司 | Mine safety monitoring system |
| JP2017054412A (en) * | 2015-09-11 | 2017-03-16 | 日本電気株式会社 | Terminal management device, terminal management system, terminal management method, and terminal management program |
| CN110213373A (en) * | 2019-06-05 | 2019-09-06 | 陈元勇 | A kind of underground communication system |
-
2012
- 2012-11-19 CN CN 201220621551 patent/CN203050783U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103016061A (en) * | 2012-11-19 | 2013-04-03 | 中国矿业大学(北京) | Underground locating and monitoring communication system |
| CN103016061B (en) * | 2012-11-19 | 2015-05-27 | 中国矿业大学(北京) | Underground locating and monitoring communication system |
| CN103618560A (en) * | 2013-11-04 | 2014-03-05 | 中国矿业大学(北京) | Precise synchronization-unrequired coal mine underground spread spectrum accurate ranging method and device |
| CN103618560B (en) * | 2013-11-04 | 2015-08-19 | 中国矿业大学(北京) | A kind of underground coal mine spread spectrum precision ranging method synchronous without the need to essence and device |
| CN103982240A (en) * | 2014-04-10 | 2014-08-13 | 中国矿业大学 | Coal mine personnel positioning and wireless communication integral system |
| CN104314615A (en) * | 2014-09-03 | 2015-01-28 | 山西阳光三极科技有限公司 | Mine safety monitoring system |
| JP2017054412A (en) * | 2015-09-11 | 2017-03-16 | 日本電気株式会社 | Terminal management device, terminal management system, terminal management method, and terminal management program |
| CN110213373A (en) * | 2019-06-05 | 2019-09-06 | 陈元勇 | A kind of underground communication system |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130710 Termination date: 20151119 |
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| EXPY | Termination of patent right or utility model |