CN102880847B - Novel coal mine downhole positioning system based on leaky cable - Google Patents

Novel coal mine downhole positioning system based on leaky cable Download PDF

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Publication number
CN102880847B
CN102880847B CN201210401295.4A CN201210401295A CN102880847B CN 102880847 B CN102880847 B CN 102880847B CN 201210401295 A CN201210401295 A CN 201210401295A CN 102880847 B CN102880847 B CN 102880847B
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leaky cable
rfid tag
tag card
ground control
integrated
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CN102880847A (en
Inventor
薛济萍
赵瑞静
蓝燕锐
徐宗铭
王平安
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Zhongtian RF cable Co., Ltd.
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ZHONGTIAN RILI RF CABLE CO Ltd
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Abstract

The invention discloses a novel coal mine downhole positioning system based on a leaky cable. The system comprises a ground control center, a communication interface, a coupler, a leaky cable and a plurality of RFID (Radio Frequency Identification) cards, wherein each RFID card comprises a coupling element and a chip; the leaky cable is fixed to a roadway wall by ordinary clamps and integrated clamps; the integrated clamps are all clamps with integrated chip modules; the integrated chip module comprises a locator device and an electromagnetic wave charging circuit device; a leakage slotted hole on the leaky cable is used for receiving a radio wave signal in the RFID card, transmitting a radio wave signal that the ground control center transmits an operating instruction to the RFID card, and sending electromagnetic waves for charging the locator device; the leaky cable performs data communication with the ground control center through the communication interface; the ground control center processes locating information sent by the RFID card, and locates an object, and at the same time can send an operating instruction to the RFID card. The novel coal mine downhole positioning system based on the leaky cable provided by the invention has the advantages that the system can process information with large data quantity, and the location is accurate.

Description

A kind of New Coal Mine downhole positioning system based on leaky cable
Technical field
The present invention relates to underground coal mine positioning system, be specifically related to a kind of New Coal Mine downhole positioning system based on leaky cable.
Background technology
In recent years, explosion of coal mines, landslide event occur repeatedly, how to ensure that mine and the safety of miners worked within coal mines more and more embody its importance, to coal-mine gas disaster, downhole monitoring system carries out fundamental research and becomes very necessary, China also increases input in science and technology in this respect, makes every effort to have breakthrough.
Underground coal mine positioning system is the tunnel construction site monitoring system integrating the function such as first aid, daily management after constructing tunnel staff attendance, zone location, safe early warning, calamity.Managerial personnel can be enable to grasp job site personnel, the distribution situation of equipment and the movement locus of each personnel and equipment at any time, be convenient to carry out more reasonably management and running and security monitoring management.When a fault occurs, data, figure that rescue personnel can provide according to this system, understand rapidly the situation of the relevant personnel, take in time to rescue measure accordingly, improves the efficiency of emergency management and rescue work.
REID is the technology that current underground coal mine positioning system is commonly used, conventional radio-frequency (RF) identification positioning system as shown in figure, in the crossing in each tunnel, card reader is installed, for longer tunnel, card reader is installed in general suitable segmentation, the staff of down-hole everyone carry with a RFID tag card, each RFID tag card is by the corresponding corresponding personnel of unique ID, in each access adit in down-hole and tunnel, card reader is installed, card reader has different addresses, the card reader of right quantity forms base station, a down-hole, each website composition CAN network of base station is connected to the host computer on ground.When underground work personnel are through the read-write region of card reader, they can send ID to card reader by carry-on RFID tag card, and the personnel ID information collected is sent to base station by card reader, and host computer sends the personnel location information ordering and obtain in base station.Host computer judges the situation of personnel by process information.Personnel in the pit RFID tag card and card reader constitute downhole hardware network, and upper computer software is then made up of operation interface and Database Systems.
China's coal-mine down-hole geology is very complicated, and mine laneway length can reach tens kms, work under bad environment, setting disperse, with the propelling of getting working face, Coal Mine Electromechanical Equipment and mobility of people large.Affected by environment, the installation site of card reader and mounting means are all more difficult.
In addition, card reader in radio-frequency recognition system is generally divided fixed and portable, fixed card reader needs special power supply facilities, to arrange net complexity, and portable card reader mainly uses powered battery, along with the prolongation of service time, the electricity of battery declines, the operating distance of automatic recognition system is declined, and when user does not know the power consumption of battery, reader system may can not get the information of label card and cause the omission of identification to tag system and record.
Summary of the invention
The object of the invention is to overcome above deficiency, providing one can process larger data amount information, the New Coal Mine downhole positioning system based on leaky cable of registration.
Object of the present invention is achieved through the following technical solutions: a kind of New Coal Mine downhole positioning system based on leaky cable, described positioning system comprises ground control centre, communication interface, coupling mechanism, leaky cable and multiple RFID tag card, each RFID tag card includes coupling element and chip, the information for identifying target is stored in chip, leaky cable is fixed in wall by multiple common jig and multiple integrated jig, each integrated jig is the jig with integrated chip module, integrated chip module comprises positioner device and electromagnetic wave charging circuit arrangement, positioner device is used for communicating with RFID tag card, for RFID tag card provides positional information, positioner device adopts chargeable battery to charge, electromagnetic wave charging circuit arrangement is used for charging to positioner device, leaky cable offers on coax multiplely to sew slotted eye, sew slotted eye for receiving the radio wave signal in RFID tag card, launch ground control centre sends operational order radio wave signal and the strong electromagnetic wave of transmission for charging for positioner device to RFID tag card, described leaky cable is by carrying out data communication between communication interface and ground control centre, the locating information that ground control centre sends over for the treatment of RFID tag card, target is positioned, simultaneously can to RFID tag card transmit operation instruction.
Further improvement of the present invention is: described ground control centre comprises control workstation, database server and terminal, controls workstation and is used for the locating information received to be stored in database server, calculated the position of target simultaneously by terminal.
Further improvement of the present invention is: described leaky cable lays along well enclosure, when laying from well head, is laid by coupling mechanism in crossing, tunnel to depths, each tunnel, the whole terminating load of leaky cable.
Further improvement of the present invention is: described positioner device comprises TX/RX module, radio-frequency signal processing module, single-chip microcomputer and rechargeable battery.
Further improvement of the present invention is: described electromagnetic wave charging circuit arrangement comprising electricity feedback circuit for feeding back rechargeable battery electricity in positioner device, antenna, for preventing charging voltage too high, circuit being produced to the overvoltage crowbar, transformer, rectification circuit and the filtering circuit that destroy.
Further improvement of the present invention is: be equipped with the built-in aerial for carrying out radio communication in each described RFID tag card.
The present invention compared with prior art has the following advantages:
1, underground coal mine positioning system adopts leaky cable as the communication between ground control centre and RFID tag card, system of laying is simple, underground coal mine covers comprehensively, signal of communication is even, in addition, leaky cable bandwidth is comparatively large, and can process larger data amount information, positioning system does not need the process carrying out redundant information.
2, positioner device of the present invention is integrated on integrated jig, during construction, without the need to being the independent addressing of positioner device, separately installation positioner, only need according to location requirement, when being fixed the leaky cable laid, install an integrated jig every specific range, all the other point of fixity are still fixed with common jig, convenient construction, and substantially reduce the engineering time.
3, be integrated on integrated jig by electromagnetic wave charging circuit arrangement, can be the positioner device be simultaneously integrated on integrated jig and charge as required, charging fast, can ensure steady arm in real time for the staff posting RFID tag card provides locating information.
accompanying drawing illustrates:
Fig. 1 is the schematic diagram of traditional radio-frequency (RF) identification underground coal mine positioning system;
Fig. 2 is the structural representation of common jig;
Fig. 3 is the structural representation of integrated jig;
Fig. 4 is the theory diagram of integrated chip module in the integrated jig of the present invention;
Fig. 5 is a kind of New Coal Mine downhole positioning system schematic diagram based on leaky cable of the preferred embodiment of the present invention;
Fig. 6 is that the present invention carries out the process flow diagram of microwave charging to positioner device;
Number in the figure: 1-dop, 2-base, 3-fixed sleeve part, 4-draw-in groove, 5-integrated chip module, the common jig of 6-, the integrated jig of 7-.
embodiment:
In order to deepen the understanding of the present invention, below in conjunction with embodiment and accompanying drawing, the invention will be further described, and this embodiment only for explaining the present invention, does not form limiting the scope of the present invention.
The New Coal Mine downhole positioning system that the present invention is based on leaky cable comprises ground control centre, communication interface, coupling mechanism, leaky cable and multiple RFID tag card, each described RFID tag card includes coupling element and chip, the information for identifying target is stored in chip, described leaky cable offers on coax multiplely to sew slotted eye, sew slotted eye for receiving the radio wave signal in RFID tag card, launch ground control centre sends operational order radio wave signal and the strong electromagnetic wave of transmission for charging for positioner device to RFID tag card, described leaky cable is by carrying out data communication between communication interface and ground control centre, the locating information that described ground control centre sends over for the treatment of RFID tag card, target is positioned, simultaneously can to RFID tag card transmit operation instruction, ground control centre comprises control workstation, database server and terminal, described control workstation is used for the locating information received to be stored in database server, calculated the position of target by terminal simultaneously, leaky cable lays along well enclosure, when laying from well head, laid to depths, each tunnel by coupling mechanism in crossing, tunnel, the whole terminating load of leaky cable, leaky cable is fixed in wall by multiple common jig 6 and multiple integrated jig 7, each common jig 6 and multiple integrated jig 7 include dop 1 as shown in Figures 2 and 3, base 2, fixed sleeve part 3, each integrated jig 7 is the jig with draw-in groove 4 and integrated chip module 5, integrated chip module comprises positioner device and electromagnetic wave charging circuit arrangement as shown in Figure 4, positioner device is used for communicating with RFID tag card, for RFID tag card provides positional information, positioner device adopts chargeable battery to charge, electromagnetic wave charging circuit arrangement is used for charging to positioner device, electromagnetic wave charging circuit arrangement comprises and produces to circuit below the overvoltage crowbar that destroys for preventing charging voltage too high and AC rectification is filtered into galvanic current rectifying and wave filtering circuit, positioner device comprises TX/RX module and namely receives/transmitter module, radio-frequency signal processing module, single-chip microcomputer and rechargeable battery, electromagnetic wave charging circuit arrangement comprises the electricity feedback circuit for feeding back rechargeable battery electricity in positioner device, antenna, for preventing charging voltage too high, circuit is produced to the overvoltage crowbar destroyed, transformer, rectification circuit and filtering circuit, the built-in aerial for carrying out radio communication is equipped with in each RFID tag card.
Underground coal mine positioning system embodiment of the present invention can have a lot of, below adopts most preferred embodiment to be described.
Most preferred embodiment of the present invention as shown in Figure 5 underground coal mine positioning system comprises: the ground control centre be made up of control workstation, database server and terminal, for carrying out target localization; Communication interface; Along the leaky cable that well enclosure lays, for realizing the wireless transmission of locator data, operational order and charging strong electromagnetic wave; Common jig, for being fixed on wall by leaky cable; Integrated jig, has three kinds of functions, and one is be fixed in wall by leaky cable, two is be integrated with positioner device, can be RFID tag card and provides positional information, and three is be integrated with electromagnetic wave charging circuit arrangement, when steady arm work electricity is not enough, by means of electromagnetic waves be automatically its charging, integrated jig dop bottom-thickened, built-in draw-in groove, as indicated by the arrows in fig. 3, integrated chip module is inserted in draw-in groove, and RFID tag card, stores the information that can identify target.
This underground coal mine positioning system according to most preferred embodiment of the present invention is zone location, staff carries with RFID tag card, generally be arranged on the safety helmet of staff, positioner device in integrated jig at regular intervals interval launches the information comprising its installation site towards periphery, concrete position fixing process is divided into positive location and passive positioning two kinds, positive location refers to when staff is at underground coal mine, RFID tag card receives the radio frequency beam of steady arm, and regularly the information received (information for self poisoning) is modulated to its built-in aerial together with RFID tag card self information, radio communication is carried out with leaky cable, ground control centre receives each RFID tag card information passed back by leaky cable, and carry out demodulates information, process, the database server of ground control centre is equipped with corresponding data software, the information of record demodulation, can position the staff posting RFID tag card and follow the tracks of like this, passive positioning is that ground control centre sends positioning instruction, the each RFID tag card of underground coal mine is sent to by leaky cable, after RFID tag card receives the instruction requiring location, at once the steady arm radio frequency beam information received and electronic tag self information are modulated on its built-in aerial, ground control centre is fed back to by leaky cable, thus realize passive positioning.Positive location is mainly used in daily coal mine working personal management, and passive positioning is more used for wounded location when there is disaster and rescues.
This underground coal mine positioning system of most preferred embodiment of the present invention, electromagnetic wave charging process is as shown in Figure 6: when some positioner device work electricity are not enough, initiatively send charge requirement information, this information is sent to ground control centre by leaky cable, ground control centre sends strong electromagnetic wave, wireless mode through leaky cable is sent to the receiving antenna of steady arm, and change into electric energy be all steady arms charging, circuit is caused to damage for preventing overcharge, after strong electromagnetic wave is received by the receiving antenna of steady arm, first through overvoltage crowbar, again through current rectifying and wave filtering circuit, the AC rectification of receiving antenna is filtered into direct current, thus steady arm is charged, after the electricity of the rechargeable battery in positioner device reaches predetermined value, feedback charging complete information, ground control centre stops sending strong electromagnetic wave, charging terminates.Because steady arm to be charged is integrated on integrated jig, and jig and leaky cable distance are very closely, charge quick, practical, and greatly can reduce energy loss.
The embodiment of the invention described above is not limitation of the invention, does not depart from change and the change of essence of the present invention, all should within protection scope of the present invention.
Underground coal mine positioning system of the present invention adopts leaky cable as the communication between ground control centre and RFID tag card, and system of laying is simple, and underground coal mine covers comprehensively, and signal of communication is even.In addition, leaky cable bandwidth is larger, larger data amount information can be processed, positioning system does not need the process carrying out redundant information, positioner device is integrated on integrated jig, during construction, without the need to being the independent addressing of steady arm, independent installation positioner, only need according to location requirement, when being fixed the leaky cable laid, every specific range, an integrated jig is installed, all the other point of fixity are still fixed with common jig, convenient construction, and substantially reduce the engineering time, electromagnetic wave charging circuit is integrated on integrated jig, can be the positioner device be simultaneously integrated on integrated jig to charge as required, charging fast, steady arm can be ensured in real time for the staff posting RFID tag card provides locating information.

Claims (1)

1. the New Coal Mine downhole positioning system based on leaky cable, it is characterized in that: described positioning system comprises ground control centre, communication interface, coupling mechanism, leaky cable and multiple RFID tag card, each described RFID tag card includes coupling element and chip, the information for identifying target is stored in chip, described leaky cable is fixed in wall by multiple common jig and multiple integrated jig, each described integrated jig is the jig with integrated chip module, described integrated chip module comprises positioner device and electromagnetic wave charging circuit arrangement, described positioner device is used for communicating with RFID tag card, for RFID tag card provides positional information, described positioner device adopts chargeable battery to charge, described electromagnetic wave charging circuit arrangement is used for charging to positioner device, described leaky cable offers on coax multiplely to sew slotted eye, sew slotted eye for receiving the radio wave signal in RFID tag card, launch ground control centre sends operational order radio wave signal and the strong electromagnetic wave of transmission for charging for positioner device to RFID tag card, described leaky cable is by carrying out data communication between communication interface and ground control centre, the locating information that described ground control centre sends over for the treatment of RFID tag card, target is positioned, simultaneously can to RFID tag card transmit operation instruction, described ground control centre comprises control workstation, database server and terminal, described control workstation is used for the locating information received to be stored in database server, calculated the position of target by terminal simultaneously, described leaky cable lays along well enclosure, when laying from well head, laid to depths, each tunnel by coupling mechanism in crossing, tunnel, the whole terminating load of leaky cable, described positioner device comprises TX/RX module, radio-frequency signal processing module, single-chip microcomputer and rechargeable battery, described electromagnetic wave charging circuit arrangement comprises the electricity feedback circuit for feeding back rechargeable battery electricity in positioner device, antenna, for preventing charging voltage too high, circuit is produced to the overvoltage crowbar destroyed, transformer, rectification circuit and filtering circuit, the built-in aerial for carrying out radio communication is equipped with in each described RFID tag card.
CN201210401295.4A 2012-10-22 2012-10-22 Novel coal mine downhole positioning system based on leaky cable Active CN102880847B (en)

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CN102721430B (en) * 2012-06-05 2015-02-04 童建伟 Displacement sensing positioning system on basis of radio frequency identification technology and positioning method
CN103150530B (en) * 2013-02-25 2016-07-06 河南中多科技发展有限公司 A kind of coal mine down-hole personnel localization method
CN104200636B (en) * 2014-09-19 2017-04-05 中国矿业大学 A kind of leakage cable communication system and method for dual power supply channel redundancy
CN104463282A (en) * 2014-12-12 2015-03-25 上海上大鼎正软件股份有限公司 Leaky-wave antenna and radio frequency identification reader-writer integrated cable type device
CN111432363A (en) * 2020-03-13 2020-07-17 中天射频电缆有限公司 Leakage carrier and indoor communication integrated network
CN111856155A (en) * 2020-06-23 2020-10-30 贵州电网有限责任公司 Cable information positioning and information acquisition method in cable channel

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Address after: 226010 No. 1 South Road, Nantong economic and Technological Development Zone, Nantong, Jiangsu

Patentee after: Zhongtian RF cable Co., Ltd.

Address before: 226010 No. 1 South Road, Nantong economic and Technological Development Zone, Nantong, Jiangsu

Patentee before: Zhongtian Rili Rf Cable Co., Ltd.