CN104601237A - Underground positioning system and method based on visible-light two-way communication - Google Patents
Underground positioning system and method based on visible-light two-way communication Download PDFInfo
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- CN104601237A CN104601237A CN201510024943.2A CN201510024943A CN104601237A CN 104601237 A CN104601237 A CN 104601237A CN 201510024943 A CN201510024943 A CN 201510024943A CN 104601237 A CN104601237 A CN 104601237A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
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Abstract
The invention provides underground positioning system and method based on visible-light two-way communication. The system comprises a laneway lamp emission end and a light signal receiving end which are arranged on the same device, a light signal reflecting end and a positioning server which are arranged on another device. According to the system, the laneway lamp emission end and the light signal receiving end are arranged on the same device, and the light signal reflecting end can be arranged to the other end, so as to provide two data transmission channels; one data transmission channel is that the laneway lamp emission end emits a light signal to the light signal reflecting end, another one is that the light signal reflecting end reflects a processed data signal to the light signal receiving end, so as to achieve two-way data communication. Compared with the prior art, the system has the advantages that half energy consumption can be saved; in addition, the complexity of the device is small, and the cost is low; a reflector is used for reflecting the light through the original incident angle, thus the communication can be performed without extra aligning light source, and as a result, the use convenience of a user is greatly improved.
Description
Technical field
The present invention relates to visible ray communication technique field, particularly relate to a kind of based on navigation system and method under the ore deposit of visible ray both-way communication.
Background technology
The wireless communication technology of visible ray is used to be subject to the extensive concern of academia and industrial circle in recent years gradually, especially along with light-emitting diode (Light Emitting Diode, referred to as LED) and so on the widely using of lighting apparatus of light-emitting component, utilize semiconductor LED while realization illumination, the feasibility study realizing cordless communication network covering just carries out in many relevant enterprises.Visible, the communication mode that optical communication combines with radio sensing network, WLAN (wireless local area network) and electric line communication system is also in the middle of inquiring into.
Existing mine navigation system is based on Modem radio code communication technology, signaling technology in application Modem radio ripple mechanics of communication and wireless transmitter receiver technology, but radio communication can produce radiation, easy generation electric spark, due to the air conditions of down-hole complexity, slight electric spark also may cause inconceivable dire consequences, and this not only can bring loss even likely to threaten the life security of people to mine; In addition, under existing ore deposit, navigation system needs to carry a visible light emitter with it miner, and reflector is by battery-operated, if during dead battery, cannot position, if be equipped with additional battery, adds use complexity.
Therefore, prior art has yet to be improved and developed.
Summary of the invention
The technical problem to be solved in the present invention is, for the above-mentioned defect of prior art, there is provided a kind of based on navigation system and method under the ore deposit of visible ray both-way communication, be intended to solve that the energy consumption existed in prior art is high by the present invention, equipment complexity and the low defect of fail safe.
The technical scheme that technical solution problem of the present invention adopts is as follows:
A kind of based on navigation system under the ore deposit of visible ray both-way communication, for carrying out real-time positioning action to the miner of operation under ore deposit in tunnel, wherein, described system comprises and is arranged on tunnel lamp transmitting terminal on same device and light signal receiving terminal, arranges light signal reflection end on another device and location-server end;
Described tunnel lamp transmitting terminal, comprises multiple LED roadway lamp being arranged on top, tunnel, for launching the light signal with tunnel lamp address information with the first incidence angle;
Described light signal reflection end, the ore deposit cap being arranged on described miner identifies unique identification with miner, for receiving the light signal that described tunnel lamp transmitting terminal is launched, and identifies uniquely identified light signal with the second incidence angle reflection with confirmation miner;
Described light signal receiving terminal, for receive described light signal reflection end reflection with confirmation miner identify uniquely identified light signal, and to location-server end transmit band have described tunnel lamp address information and confirm miner identify uniquely identified light signal;
Described location-server end, for receiving the light signal of described light signal receiving terminal and locating in real time miner according to the information of described light signal.
Described based on navigation system under the ore deposit of visible ray both-way communication, wherein, described second incidence angle is equal with the first incidence angle.
Described based on navigation system under the ore deposit of visible ray both-way communication, wherein, described tunnel lamp transmitting terminal comprises the information coding module, transmitter module, modulation module, signal amplification module, driver module and the LED light source module that are connected successively;
Described information coding module is used for carrying out encoding operation in advance to sent tunnel lamp address information, described transmitter module is used for the tunnel lamp address information after by coding and sends with light signal form, the light signal that described modulation module is used for being sent by described transmitter module carries out modulation and obtains modulation signal, described signal amplification module is used for that described modulation signal is carried out amplification process and is amplified signal, described driver module is used for carrying out luminescence according to described amplifying signal driving LED light source module, described LED light source module is used for another device with the light signal of the first incidence angle transmission with tunnel lamp address information,
Described light signal reflection end comprises the first photoelectric conversion module, the first demodulation module, micro controller module and the reflecting module that are connected successively;
Described first photoelectric conversion module is for the light signal that receives described LED light source module and send and described light signal is converted to first signal of telecommunication, described first demodulation module is used for that described first signal of telecommunication is carried out demodulation and obtains the first restituted signal, described micro controller module is used for controlling reflecting module according to the information of described first restituted signal and carries out light reflective operation, and described reflecting module is used for identifying uniquely identified utilizing emitted light signal with the second incidence angle reflection with confirmation miner and described reflected light signal being sent to the second photoelectric conversion module; Described second incidence angle is equal with the first incidence angle;
Described light signal receiving terminal comprises the second photoelectric conversion module and the second demodulation module that are connected successively;
Described second photoelectric conversion module for receive described reflecting module utilizing emitted light signal and by process after with described tunnel lamp address information and confirm miner identify that uniquely identified light signal is converted to second signal of telecommunication; Described second demodulation module is used for that second signal of telecommunication that described second photoelectric conversion module exports is carried out demodulation and obtains the second restituted signal;
Described location-server end comprises the decoder module, locating module and the output module that are connected successively;
Described decoder module is used for carrying out tunnel lamp address decoder to described second restituted signal and obtains decoded information, described locating module is used for calculating according to a pre-defined algorithm according to decoded information and locating the real-time coordinates of miner, and the line output of going forward side by side of the miner's coordinate information after described output module is used for real-time update location shows.
Described based on navigation system under the ore deposit of visible ray both-way communication, wherein, in advance the address coordinate of each LED roadway lamp is stored in location-server end.
Described based on navigation system under the ore deposit of visible ray both-way communication, wherein, in described reflecting module, comprise a speculum.
Described based on navigation system under the ore deposit of visible ray both-way communication, wherein, described speculum also comprises a ferroelectric liquid crystals shutter.
Described based on navigation system under the ore deposit of visible ray both-way communication, wherein, described micro controller module controls speculum by the switch controlling ferroelectric liquid crystals shutter and carries out light reflective operation, when the switch of described ferroelectric liquid crystals shutter is open mode, then reverberation, when the switch of described ferroelectric liquid crystals shutter is closed condition, then not reverberation.
Described based on navigation system under the ore deposit of visible ray both-way communication, wherein, described output module comprises video and/or audio frequency exports.
Based on a localization method under the ore deposit of visible ray both-way communication, wherein, described method comprises step:
A, in advance multiple LED roadway lamp for launching the light signal with tunnel lamp address information is set at top, tunnel, and the address coordinate of each LED roadway lamp is stored in location-server end;
B, carry out encoding operation in advance to sent tunnel lamp address information, LED roadway lamp sends the light signal of the tunnel lamp address information after with coding with the first incidence angle;
C, on the ore deposit cap of miner, arrange one in advance and identify uniquely identified light signal reflectors with miner, described light signal reflectors is used for receiving and identifies uniquely identified light signal with the second incidence angle reflection with confirmation miner, and described second incidence angle is equal with the first incidence angle;
After D, LED roadway lamp receive the light signal of reflection, there is described tunnel lamp address information to location-server end transmit band and confirm that miner identifies uniquely identified light signal, described location-server termination is received described light signal and is carried out tunnel lamp address decoder to the information of described light signal and obtains decoded information, to calculate according to a pre-defined algorithm according to described decoded information and locate the real-time coordinates of miner, the line output display and the miner's coordinate information behind real-time update location is gone forward side by side.
Described based on localization method under the ore deposit of visible ray both-way communication, wherein, described pre-defined algorithm is multi-point average value computing method.
Provided by the present invention a kind of based on navigation system and method under the ore deposit of visible ray both-way communication, described system comprises and is arranged on tunnel lamp transmitting terminal on same device and light signal receiving terminal, arranges light signal reflection end on another device and location-server end; Described light signal reflection end, the ore deposit cap being arranged on described miner identifies unique identification with miner, for receiving the light signal that described tunnel lamp transmitting terminal is launched, and identifies uniquely identified light signal with the second incidence angle reflection with confirmation miner; Described light signal receiving terminal, for receive described light signal reflection end reflection with confirmation miner identify uniquely identified light signal, and to location-server end transmit band have described tunnel lamp address information and confirm miner identify uniquely identified light signal; Described location-server end, for receiving the light signal of described light signal receiving terminal and locating in real time miner according to the information of described light signal.On the one hand, the present invention arranges a transmitting terminal and a receiving terminal on same device, the other end only need arrange a reflection end, two data transmission channels just can be provided: one by transmitting terminal by optical signal launch to reflection end, another reflects the data-signal after process to receiving terminal by reflection end, thus realize bidirectional data communication, compared with prior art, save the energy consumption of half and equipment complexity and cost lower; On the other hand, because when requiring in prior art to receive, transmitting terminal and receiving terminal all need alignment light source, also alignment light source is needed during feedback, and in the present invention, adopt speculum to carry out light reflection, exactly light source is reflected back transmitting terminal, do not need extra alignment light source operation to complete communication, thus significantly promote the ease of use of user.
Accompanying drawing explanation
Fig. 1 is the functional block diagram of navigation system preferred embodiment under the ore deposit that the present invention is based on visible ray both-way communication.
Fig. 2 is the cut-away view of the tunnel lamp transmitting terminal of navigation system preferred embodiment under the ore deposit that the present invention is based on visible ray both-way communication.
Fig. 3 is the cut-away view of the light signal reflection end of navigation system preferred embodiment under the ore deposit that the present invention is based on visible ray both-way communication.
Fig. 4 is the cut-away view of the light signal receiving terminal of navigation system preferred embodiment under the ore deposit that the present invention is based on visible ray both-way communication.
Fig. 5 is the cut-away view of the location-server end of navigation system preferred embodiment under the ore deposit that the present invention is based on visible ray both-way communication.
Fig. 6 is the miners' cap schematic diagram of navigation system preferred embodiment under the ore deposit that the present invention is based on visible ray both-way communication.
Fig. 7 is the Application Example schematic diagram of navigation system under the ore deposit that the present invention is based on visible ray both-way communication.
Fig. 8 is the flow chart of steps of localization method preferred embodiment under the ore deposit that the present invention is based on visible ray both-way communication.
Embodiment
The invention discloses a kind of based on navigation system and method under the ore deposit of visible ray both-way communication, for making object of the present invention, technical scheme and advantage clearly, clearly, developing simultaneously referring to accompanying drawing, the present invention is described in more detail for embodiment.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Please refer to Fig. 1, Fig. 1 is the functional block diagram of navigation system preferred embodiment under the ore deposit that the present invention is based on visible ray both-way communication.As shown in Figure 1, of the present invention based on navigation system under the ore deposit of visible ray both-way communication, for carrying out real-time positioning action to the miner of operation under ore deposit in tunnel, described system comprises and is arranged on tunnel lamp transmitting terminal 10 on same device and light signal receiving terminal 30, arranges light signal reflection end 20 on another device and location-server end 40; Described tunnel lamp transmitting terminal 10, comprises multiple LED roadway lamp being arranged on top, tunnel, for launching the light signal with tunnel lamp address information with the first incidence angle; Described light signal reflection end 20, the ore deposit cap being arranged on described miner identifies unique identification with miner, for receiving the light signal that described tunnel lamp transmitting terminal 10 is launched, and identifies uniquely identified light signal with the second incidence angle reflection with confirmation miner; Described light signal receiving terminal 3, for receive described light signal reflection end 20 reflection with confirmation miner identify uniquely identified light signal, and to location-server end 40 transmit band have described tunnel lamp address information and confirm miner identify uniquely identified light signal; Described location-server end 40, for receiving the light signal of described light signal receiving terminal 30 and locating in real time miner according to the information of described light signal.Preferably, described second incidence angle is equal with the first incidence angle.
In detail, please refer to Fig. 2, Fig. 2 is the cut-away view of the tunnel lamp transmitting terminal of navigation system preferred embodiment under the ore deposit that the present invention is based on visible ray both-way communication.As shown in Figure 2, described tunnel lamp transmitting terminal 10 comprises the information coding module 11, transmitter module 12, modulation module 13, signal amplification module 14, driver module 15 and the LED light source module 16 that are connected successively, described information coding module 11 is for carrying out encoding operation in advance to sent tunnel lamp address information, described transmitter module 12 is for sending the tunnel lamp address information after coding with light signal form, described modulation module 13 carries out modulation for the light signal sent by described transmitter module 12 and obtains modulation signal, described signal amplifies mould 14 pieces and is amplified signal for described modulation signal is carried out amplification process, described driver module 15 is for carrying out luminescence according to described amplifying signal driving LED light source module 16, described LED light source module 16 is for sending with the light signal of tunnel lamp address information to another device with the first incidence angle.
In detail, please refer to Fig. 3, Fig. 3 is the cut-away view of the light signal reflection end of navigation system preferred embodiment under the ore deposit that the present invention is based on visible ray both-way communication.As shown in Figure 3, described light signal reflection end comprises the first photoelectric conversion module 21, first demodulation module 22, micro controller module 23 and the reflecting module 24 that are connected successively; Described first photoelectric conversion module is for the light signal that receives described LED light source module 16 and send and described light signal is converted to first signal of telecommunication, described first demodulation module 22 obtains the first restituted signal for described first signal of telecommunication is carried out demodulation, described micro controller module 23 carries out light reflective operation for controlling reflecting module 24 according to the information of described first restituted signal, and described reflecting module 24 is for identifying uniquely identified utilizing emitted light signal with the second incidence angle reflection with confirmation miner and described reflected light signal is sent to the second photoelectric conversion module; Described second incidence angle is equal with the first incidence angle.
In detail, please refer to Fig. 4, Fig. 5 is the cut-away view of the light signal receiving terminal of navigation system preferred embodiment under the ore deposit that the present invention is based on visible ray both-way communication.As shown in Figure 3, described light signal receiving terminal 30 comprises the second photoelectric conversion module 31 and the second demodulation module 32 be connected successively; Described second photoelectric conversion module 31 for receive described reflecting module utilizing emitted light signal and by process after with described tunnel lamp address information and confirm miner identify that uniquely identified light signal is converted to second signal of telecommunication; Described second demodulation module 32 carries out demodulation for second signal of telecommunication exported by described second photoelectric conversion module and obtains the second restituted signal.
In detail, please refer to Fig. 5, Fig. 4 is the cut-away view of the location-server end of navigation system preferred embodiment under the ore deposit that the present invention is based on visible ray both-way communication.As shown in Figure 5, described location-server end 40 comprises decoder module 41, locating module 42 and output module 43.
Particularly, described decoder module 41 obtains decoded information for carrying out tunnel lamp address decoder to described first restituted signal, described locating module 42 to calculate according to a pre-defined algorithm according to decoded information and locates the real-time coordinates of miner, and described output module 43 to be gone forward side by side line output display for the miner's coordinate information behind real-time update location.Preferably, described pre-defined algorithm is multi-point average value computing method.
In the embodiment of the present invention, in advance multiple LED roadway lamp is set at top, tunnel, for launching the light signal with tunnel lamp address information, the address coordinate of each LED roadway lamp is stored in the main frame of location-server end simultaneously, and mine map is also worked good, tunnel lamp is stored in advance in main frame, facilitates the position of later stage to miner accurately to locate.In addition, the present invention adopts based on bidirectional reflectance Principle of Communication, arranges a speculum for reflecting the light source of transmitting terminal, thus do not need this operation of additional alignment light source at reflection end; Conveniently carry, be arranged on the ore deposit cap of described miner in the embodiment of the present invention by described signal reflex end, as shown in Figure 6, Fig. 6 is the miners' cap schematic diagram of navigation system under the ore deposit that the present invention is based on visible ray both-way communication.When the LED roadway lamp in tunnel launches visible ray, the miners' cap be positioned under tunnel lamp receives and reflects described visible ray, and optical information can be sent to location-server end carry out decoding positioning action by described, therefore, implement the present invention not need to carry out extra repacking to existing drive system, only need on the basis of existing plank road lamp, increase corresponding bidirectional reflectance communication module, repacking cost is low, equipment volume is little and energy consumption is low without the need to extra power supply, is convenient for carrying.
Further, in the embodiment of the present invention, described speculum also comprises a ferroelectric liquid crystals shutter, the speculum that described micro controller module is controlled on the cap of ore deposit by the switch controlling ferroelectric liquid crystals shutter carries out light reflective operation, when the switch of described ferroelectric liquid crystals shutter is open mode, then has light to reflect, when the switch of described ferroelectric liquid crystals shutter is closed condition, then unglazed reflection, has light to be 1, and unglazed is 0.
Further, described output module comprises video and/or audio frequency exports, and increase audio frequency and export the real-time communication that can realize miner and main frame, such as main frame place manager sends real-time command to miner, improves operating efficiency under ore deposit; And provide video frequency output the real time position of miner clearly can be reflected in control room, increase the efficiency of management.Thering is provided video/audio to export, can transfer personnel under ore deposit intuitively, injury can be minimized when there is mine disaster, and can carry out the most timely after mine disaster and rescue accurately.
Further, the present invention also provides a kind of Application Example based on navigation system under the ore deposit of visible ray both-way communication, as shown in Figure 7.As shown in Figure 7, comprise 6, underground tunnel 51(in this application embodiment or be called drive), be labeled as tunnel A respectively, tunnel B, tunnel C, tunnel D, tunnel E, with tunnel F, each tunnel is all provided with multiple LED roadway lamp 52, as the A-1 to A-8 in the A of tunnel, B-1 to B-7 in the B of tunnel, C-1 to C-6 in the C of tunnel, D-1 to D-7 in the D of tunnel, E-1 to E-10 in the E of tunnel, F-1 to F-15(tunnel in the F of tunnel arranges how many LED roadway lamp and determines according to actual conditions, the coefficient of safety of such as drive, drive length etc. considers), each lamp has oneself independent unique numbering, and the roadway position information residing for each lamp is all stored in advance in host server 54.Tunnel lamp transmission represents the coded message of address information, processor in server is decoded to coded message and is drawn corresponding decoded information, and the corresponding relation of decoded information and address information that prestored in system, therefore, when the feedback information of received server-side from tunnel lamp, just accurately can be located by the positional information prestored.
Further, in order to avoid there is situation, the timely feedback information received from tunnel that receiving feedback information blocks up, this application embodiment is the extension set server 53 that each tunnel arranges a correspondence at earth's surface place, be labeled as CAN-1, CAN-2, CAN-3, CAN-4, CAN-5 and CAN-6 respectively, feedback information is sent to host server 54 via router and positions by described extension set server 53.If receive the feedback information from multiple tunnel lamp in position fixing process, then the way calculating multi-point average value is adopted to calculate the actual position coordinate of miner.Can arrange the output of video and/or audio at host server 54 end, increase audio frequency and export the real-time communication that can realize miner and main frame, such as main frame place manager sends real-time command to miner, improves operating efficiency under ore deposit; And provide video frequency output the real time position of miner clearly can be reflected in control room, increase the efficiency of management.Thering is provided video/audio to export, can transfer personnel under ore deposit intuitively, injury can be minimized when there is mine disaster, and can carry out the most timely after mine disaster and rescue accurately.
As can be seen here, provided by the invention based on navigation system under the ore deposit of visible ray both-way communication, adopt bidirectional reflectance mechanics of communication, multiple tunnel lamp is set for sending light signal, the radiation of the light signal sent due to tunnel lamp is lower than radio wave signal, can not spark be produced, therefore solve the problem that navigation system fail safe in prior art in mine is lower, and then reach the effect of safety in production; The ore deposit cap of miner is when communicating with crown mine lamp simultaneously, without the need to additional alignment light source, does not also affect miner's work.
Further, the present invention also provides a kind of based on localization method under the ore deposit of visible ray both-way communication, and as shown in Figure 8, described method comprises step:
S101, in advance multiple LED roadway lamp for launching the light signal with tunnel lamp address information is set at top, tunnel, and the address coordinate of each LED roadway lamp is stored in location-server end;
S102, carry out encoding operation in advance to sent tunnel lamp address information, LED roadway lamp sends the light signal of the tunnel lamp address information after with coding with the first incidence angle;
S103, on the ore deposit cap of miner, arrange one in advance and identify uniquely identified light signal reflectors with miner, described light signal reflectors is used for receiving and identifies uniquely identified light signal with the second incidence angle reflection with confirmation miner, and described second incidence angle is equal with the first incidence angle;
After S104, LED roadway lamp receive the light signal of reflection, there is described tunnel lamp address information to location-server end transmit band and confirm that miner identifies uniquely identified light signal, described location-server termination is received described light signal and is carried out tunnel lamp address decoder to the information of described light signal and obtains decoded information, to calculate according to a pre-defined algorithm according to described decoded information and locate the real-time coordinates of miner, the line output display and the miner's coordinate information behind real-time update location is gone forward side by side.
Preferably, described pre-defined algorithm is multi-point average value computing method.Such as, in position fixing process, miner's (supposing that this miner's unique identifying number is 001) is between two LED roadway lamp, the then transverse and longitudinal coordinate information that will receive from two tunnel lamps of location-server, location-server end obtains final tunnel lamp address after being decoded by described transverse and longitudinal coordinate information and is respectively A-1=(10,30), A-2=(20,40), then according to multi-point average value computational algorithm, judge that real time position that now miner is in is as (15,35); Containing tunnel lamp address information and will confirm that miner identifies uniquely identified information, such as tag format is that (001, (15,35)) carries out output display.
In sum, provided by the present invention a kind of based on navigation system and method under the ore deposit of visible ray both-way communication, described system comprises and is arranged on tunnel lamp transmitting terminal on same device and light signal receiving terminal, arranges light signal reflection end on another device and location-server end; Described tunnel lamp transmitting terminal, comprises multiple LED roadway lamp being arranged on top, tunnel, for launching the light signal with tunnel lamp address information with the first incidence angle; Described light signal reflection end, the ore deposit cap being arranged on described miner identifies unique identification with miner, for receiving the light signal that described tunnel lamp transmitting terminal is launched, and identifies uniquely identified light signal with the second incidence angle reflection with confirmation miner; Described light signal receiving terminal, for receive described light signal reflection end reflection with confirmation miner identify uniquely identified light signal, and to location-server end transmit band have described tunnel lamp address information and confirm miner identify uniquely identified light signal; Described location-server end, for receiving the light signal of described light signal receiving terminal and locating in real time miner according to the information of described light signal.On the one hand, the present invention arranges a transmitting terminal and a receiving terminal on same device, the other end only need arrange a reflection end, two data transmission channels just can be provided: one by transmitting terminal by optical signal launch to reflection end, another reflects the data-signal after process to receiving terminal by reflection end, thus realize bidirectional data communication, compared with prior art, save the energy consumption of half and equipment complexity and cost lower; On the other hand, because when requiring in prior art to receive, transmitting terminal and receiving terminal all need alignment light source, also alignment light source is needed during feedback, and in the present invention, adopt speculum to carry out light reflection, exactly light source is reflected back transmitting terminal, do not need extra alignment light source operation to complete communication, thus significantly promote the ease of use of user.
Should be understood that, application of the present invention is not limited to above-mentioned citing, for those of ordinary skills, can be improved according to the above description or convert, and all these improve and convert the protection range that all should belong to claims of the present invention.
Claims (10)
1. one kind based on navigation system under the ore deposit of visible ray both-way communication, for carrying out real-time positioning action to the miner of operation under ore deposit in tunnel, it is characterized in that, described system comprises and is arranged on tunnel lamp transmitting terminal on same device and light signal receiving terminal, arranges light signal reflection end on another device and location-server end;
Described tunnel lamp transmitting terminal, comprises multiple LED roadway lamp being arranged on top, tunnel, for launching the light signal with tunnel lamp address information with the first incidence angle;
Described light signal reflection end, the ore deposit cap being arranged on described miner identifies unique identification with miner, for receiving the light signal that described tunnel lamp transmitting terminal is launched, and identifies uniquely identified light signal with the second incidence angle reflection with confirmation miner;
Described light signal receiving terminal, for receive described light signal reflection end reflection with confirmation miner identify uniquely identified light signal, and to location-server end transmit band have described tunnel lamp address information and confirm miner identify uniquely identified light signal;
Described location-server end, for receiving the light signal of described light signal receiving terminal and locating in real time miner according to the information of described light signal.
2. according to claim 1ly it is characterized in that based on navigation system under the ore deposit of visible ray both-way communication, described second incidence angle is equal with the first incidence angle.
3. according to claim 1 based on navigation system under the ore deposit of visible ray both-way communication, it is characterized in that, described tunnel lamp transmitting terminal comprises the information coding module, transmitter module, modulation module, signal amplification module, driver module and the LED light source module that are connected successively;
Described information coding module is used for carrying out encoding operation in advance to sent tunnel lamp address information, described transmitter module is used for the tunnel lamp address information after by coding and sends with light signal form, the light signal that described modulation module is used for being sent by described transmitter module carries out modulation and obtains modulation signal, described signal amplification module is used for that described modulation signal is carried out amplification process and is amplified signal, described driver module is used for carrying out luminescence according to described amplifying signal driving LED light source module, described LED light source module is used for another device with the light signal of the first incidence angle transmission with tunnel lamp address information,
Described light signal reflection end comprises the first photoelectric conversion module, the first demodulation module, micro controller module and the reflecting module that are connected successively;
Described first photoelectric conversion module is for the light signal that receives described LED light source module and send and described light signal is converted to first signal of telecommunication, described first demodulation module is used for that described first signal of telecommunication is carried out demodulation and obtains the first restituted signal, described micro controller module is used for controlling reflecting module according to the information of described first restituted signal and carries out light reflective operation, and described reflecting module is used for identifying uniquely identified utilizing emitted light signal with the second incidence angle reflection with confirmation miner and described reflected light signal being sent to the second photoelectric conversion module; Described second incidence angle is equal with the first incidence angle;
Described light signal receiving terminal comprises the second photoelectric conversion module and the second demodulation module that are connected successively;
Described second photoelectric conversion module for receive described reflecting module utilizing emitted light signal and by process after with described tunnel lamp address information and confirm miner identify that uniquely identified light signal is converted to second signal of telecommunication; Described second demodulation module is used for that second signal of telecommunication that described second photoelectric conversion module exports is carried out demodulation and obtains the second restituted signal;
Described location-server end comprises the decoder module, locating module and the output module that are connected successively;
Described decoder module is used for carrying out tunnel lamp address decoder to described second restituted signal and obtains decoded information, described locating module is used for calculating according to a pre-defined algorithm according to decoded information and locating the real-time coordinates of miner, and the line output of going forward side by side of the miner's coordinate information after described output module is used for real-time update location shows.
4. according to claim 1 based on navigation system under the ore deposit of visible ray both-way communication, it is characterized in that, in advance the address coordinate of each LED roadway lamp is stored in location-server end.
5. according to claim 1 based on navigation system under the ore deposit of visible ray both-way communication, it is characterized in that, in described reflecting module, comprise a speculum.
6. according to claim 5ly to it is characterized in that based on navigation system under the ore deposit of visible ray both-way communication, described speculum also comprises a ferroelectric liquid crystals shutter.
7. according to claim 6 based on navigation system under the ore deposit of visible ray both-way communication, it is characterized in that, described micro controller module controls speculum by the switch controlling ferroelectric liquid crystals shutter and carries out light reflective operation, when the switch of described ferroelectric liquid crystals shutter is open mode, then reverberation, when the switch of described ferroelectric liquid crystals shutter is closed condition, then not reverberation.
8. according to claim 2ly it is characterized in that based on navigation system under the ore deposit of visible ray both-way communication, described output module comprises video and/or audio frequency exports.
9. as claimed in claim 1 based on a localization method under the ore deposit of visible ray both-way communication, it is characterized in that, described method comprises step:
A, in advance multiple LED roadway lamp for launching the light signal with tunnel lamp address information is set at top, tunnel, and the address coordinate of each LED roadway lamp is stored in location-server end;
B, carry out encoding operation in advance to sent tunnel lamp address information, LED roadway lamp sends the light signal of the tunnel lamp address information after with coding with the first incidence angle;
C, on the ore deposit cap of miner, arrange one in advance and identify uniquely identified light signal reflectors with miner, described light signal reflectors is used for receiving and identifies uniquely identified light signal with the second incidence angle reflection with confirmation miner, and described second incidence angle is equal with the first incidence angle;
After D, LED roadway lamp receive the light signal of reflection, there is described tunnel lamp address information to location-server end transmit band and confirm that miner identifies uniquely identified light signal, described location-server termination is received described light signal and is carried out tunnel lamp address decoder to the information of described light signal and obtains decoded information, to calculate according to a pre-defined algorithm according to described decoded information and locate the real-time coordinates of miner, the line output display and the miner's coordinate information behind real-time update location is gone forward side by side.
10. according to claim 9ly it is characterized in that based on localization method under the ore deposit of visible ray both-way communication, described pre-defined algorithm is multi-point average value computing method.
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104868952A (en) * | 2015-06-18 | 2015-08-26 | 北京邮电大学 | Solar cell and light-emitting diode-based function-symmetric passive full-duplex transmit-receive device in visible light communication system |
| CN105388448A (en) * | 2015-10-26 | 2016-03-09 | 深圳市微纳集成电路与系统应用研究院 | Underground work positioning system and method, and helmet for underground work positioning |
| CN106156680A (en) * | 2016-07-04 | 2016-11-23 | 四川九洲电器集团有限责任公司 | A kind of device identification method and inquiry equipment |
| CN106842126A (en) * | 2017-02-08 | 2017-06-13 | 广东昭信照明科技有限公司 | A kind of Position Fixing Navigation System based on visible light communication |
| CN106931959A (en) * | 2015-12-31 | 2017-07-07 | 深圳市金叶光线发展有限公司 | A kind of indoor visible light communication alignment system |
| CN109143212A (en) * | 2018-06-06 | 2019-01-04 | 西安理工大学 | Tunnel personnel location system and method based on the reverse modulation technique of visible light |
| CN109743108A (en) * | 2019-01-21 | 2019-05-10 | 徐州智谷光频产业研究院有限公司 | A kind of identification and positioning system and method based on the communication of wireless optical frequency |
| CN112003646A (en) * | 2019-05-27 | 2020-11-27 | Oppo广东移动通信有限公司 | LiFi positioning based method, device and terminal |
| CN114627631A (en) * | 2022-03-22 | 2022-06-14 | 深圳市金飞杰信息技术服务有限公司 | Intelligent alarm system and method based on Internet of things |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101674133A (en) * | 2008-09-12 | 2010-03-17 | 株式会社东芝 | Visible light communication system using single light source |
| JP2012004959A (en) * | 2010-06-18 | 2012-01-05 | Casio Comput Co Ltd | Data transmission device and program |
| CN103199923A (en) * | 2013-04-22 | 2013-07-10 | 中国矿业大学 | Underground moving target optical fingerprint positioning and tracking method based on visible light communication |
| CN104125015A (en) * | 2014-07-31 | 2014-10-29 | 山西大同大学 | Underground people positioning method based on visible light communication technology |
| CN104270196A (en) * | 2014-10-27 | 2015-01-07 | 武汉邮电科学研究院 | Visible light communication system and method on basis of reflection |
-
2015
- 2015-01-19 CN CN201510024943.2A patent/CN104601237A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101674133A (en) * | 2008-09-12 | 2010-03-17 | 株式会社东芝 | Visible light communication system using single light source |
| JP2012004959A (en) * | 2010-06-18 | 2012-01-05 | Casio Comput Co Ltd | Data transmission device and program |
| CN103199923A (en) * | 2013-04-22 | 2013-07-10 | 中国矿业大学 | Underground moving target optical fingerprint positioning and tracking method based on visible light communication |
| CN104125015A (en) * | 2014-07-31 | 2014-10-29 | 山西大同大学 | Underground people positioning method based on visible light communication technology |
| CN104270196A (en) * | 2014-10-27 | 2015-01-07 | 武汉邮电科学研究院 | Visible light communication system and method on basis of reflection |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104868952A (en) * | 2015-06-18 | 2015-08-26 | 北京邮电大学 | Solar cell and light-emitting diode-based function-symmetric passive full-duplex transmit-receive device in visible light communication system |
| CN105388448A (en) * | 2015-10-26 | 2016-03-09 | 深圳市微纳集成电路与系统应用研究院 | Underground work positioning system and method, and helmet for underground work positioning |
| CN106931959A (en) * | 2015-12-31 | 2017-07-07 | 深圳市金叶光线发展有限公司 | A kind of indoor visible light communication alignment system |
| CN106156680A (en) * | 2016-07-04 | 2016-11-23 | 四川九洲电器集团有限责任公司 | A kind of device identification method and inquiry equipment |
| CN106156680B (en) * | 2016-07-04 | 2019-06-25 | 四川九洲电器集团有限责任公司 | A kind of device identification method and inquiry equipment |
| CN106842126A (en) * | 2017-02-08 | 2017-06-13 | 广东昭信照明科技有限公司 | A kind of Position Fixing Navigation System based on visible light communication |
| CN106842126B (en) * | 2017-02-08 | 2023-11-03 | 广东昭信照明科技有限公司 | Positioning navigation system based on visible light communication |
| CN109143212A (en) * | 2018-06-06 | 2019-01-04 | 西安理工大学 | Tunnel personnel location system and method based on the reverse modulation technique of visible light |
| CN109743108A (en) * | 2019-01-21 | 2019-05-10 | 徐州智谷光频产业研究院有限公司 | A kind of identification and positioning system and method based on the communication of wireless optical frequency |
| CN112003646A (en) * | 2019-05-27 | 2020-11-27 | Oppo广东移动通信有限公司 | LiFi positioning based method, device and terminal |
| CN114627631A (en) * | 2022-03-22 | 2022-06-14 | 深圳市金飞杰信息技术服务有限公司 | Intelligent alarm system and method based on Internet of things |
| CN114627631B (en) * | 2022-03-22 | 2022-11-22 | 深圳市金飞杰信息技术服务有限公司 | Intelligent alarm system and method based on Internet of things |
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