CN102901946B - Alignment system and method in mine - Google Patents
Alignment system and method in mine Download PDFInfo
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- CN102901946B CN102901946B CN201210436116.0A CN201210436116A CN102901946B CN 102901946 B CN102901946 B CN 102901946B CN 201210436116 A CN201210436116 A CN 201210436116A CN 102901946 B CN102901946 B CN 102901946B
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Abstract
The invention discloses the alignment system and method in a kind of mine, the alignment system in the mine includes：Tunnel lamp, for sending the first optical signal, wherein, corresponding first coding information of the first optical signal；First receptor, for receiving the first optical signal；First processor, is connected to the first receptor, for processing the first optical signal to obtain corresponding first decoded information of the first coding information；Head lamp, is connected to the first receptor, and for sending the second optical signal, wherein, corresponding second coding information of the second optical signal, the second coding information are identical with the first coding information；Second receptor, is arranged in tunnel, for receiving the second optical signal；And main frame, it is connected with the second receptor, for determining the address information in mine map of head lamp according to corresponding second decoded information of the second optical signal, wherein, the corresponding relation of be stored with main frame mine map and the second decoded information and address information.By the present invention, the effect of safety in production has been reached.
Description
Technical field
The present invention relates to photoelectric field, in particular to alignment system and method in a kind of mine.
Background technology
Alignment system in existing mine applies Modem radio ripple based on Modem radio code communication technology
Signaling technology and wireless transmitter receiver technology in mechanics of communication, but radio communication can produce radiation, easily produce electric spark, by
In the air conditionses that down-hole is complicated, slight electric spark is likely to cause inconceivable dire consequences, and this can not only give ore deposit
Well brings loss it could even be possible to threatening the life security of people, in addition, existing positioning system hardware is more complicated, should be used
Equipment used in journey is more, and needs the reference point of separately installed positioning, and input cost is than larger.
For the relatively low problem of the alignment system safety in mine in prior art, not yet propose at present effectively to solve
Scheme.
Content of the invention
The invention provides the alignment system and method in a kind of mine, at least to solve determining in mine in prior art
The relatively low problem of position security of system.
To achieve these goals, according to an aspect of the invention, there is provided a kind of alignment system in mine.
Included according to the alignment system in the mine of the present invention：Tunnel lamp, for sending the first optical signal, wherein, first
Corresponding first coding information of optical signal；First receptor, for receiving the first optical signal；First processor, is connected to first and connects
Device is received, for processing the first optical signal to obtain corresponding first decoded information of the first coding information；Head lamp, is connected at first
Reason device, for sending the second optical signal, wherein, corresponding second coding information of the second optical signal, the second coding information are compiled with first
Code information is identical；Second receptor, is arranged in tunnel, for receiving the second optical signal；And main frame, connect with the second receptor
Connect, for determining the address information in mine map of head lamp according to corresponding second decoded information of the second optical signal, wherein,
The corresponding relation of mine map and the second decoded information and the address information of being stored with main frame, address information are used for representing tunnel
Address of the lamp in mine map.
Further, alignment system also includes：Second processing device, is connected with tunnel lamp, for controlling tunnel lamp by default
Frequency scintillation to send the first optical signal of corresponding first coding information, the first receptor is additionally operable to receive by default frequency
First optical signal of flicker.
Further, second processing device be additionally operable to by pulse width modulation control tunnel lamp by default frequency scintillation with
The first optical signal of corresponding first coding information is sent, the first receptor is additionally operable to receive the first light by pulse width modulation
Signal.
Further, alignment system also includes：First processor is additionally operable to control head lamp by the first optical signal for receiving
Frequency scintillation to send the second optical signal, the second receptor is additionally operable to the second light for receiving the frequency scintillation by the first optical signal
Signal.
Further, first processor is additionally operable to control head lamp by the first optical signal for receiving by pulse width modulation
Frequency scintillation to send the second optical signal of corresponding second coding information, the second receptor is additionally operable to receive by pulse width
Second optical signal of modulation.
Further, alignment system also includes：First carrier signal generator, is connected with tunnel lamp, for generating first
Carrier signal, wherein, carries corresponding first coding information of the first optical signal on first carrier signal, and the first receptor is also
For receiving first carrier signal.
Further, alignment system also includes：Second carrier signal generator, is connected with head lamp, is carried for generating second
Ripple signal, wherein, carries corresponding second coding information of the second optical signal in the second carrier signal, and the second receptor is also used
In receiving the second carrier signal.
Further, tunnel lamp is LED roadway lamp；And head lamp is LED head lamp.
To achieve these goals, according to another aspect of the present invention, there is provided the localization method in a kind of mine.
According to a further aspect in the invention, there is provided a kind of localization method.Localization method in the mine includes：Receive and
From the first optical signal of tunnel lamp, wherein, corresponding first coding information of the first optical signal；Obtain corresponding with the first coding information
First decoded information；And the second optical signal is sent to main frame, wherein, corresponding second coding information of the second optical signal and first
Corresponding first coding information of optical signal is identical, and main frame determines second according to the corresponding relation of the second coding information and address information
The corresponding address of coding information.
Further, reception includes from the first optical signal of tunnel lamp：The frequency of the first optical signal of tunnel lamp is obtained,
Sending the second optical signal includes：The second of the second coding information is corresponded to by the frequency scintillation of the first optical signal for receiving to send
Optical signal.
Further, before the second optical signal is sent, said method also includes：Obtain the identifier of head lamp；And will
Identifier and the binding of the second coding information, sending the second optical signal includes：Send corresponding with the second coding information and identifier
Second optical signal.
By the present invention, due to representing the coding information of address information by tunnel lamp and head lamp transmission, in alignment system
Processor coding information be decoded draw corresponding decoded information, and prestored in system decoded information and address information
Corresponding relation, therefore finally can realize positioning, the radiation of the optical signal sent due to tunnel lamp and head lamp is less than radio
Ripple signal, will not produce spark, therefore solve the problems, such as that the alignment system safety in prior art in mine is relatively low, and then
The effect of safety in production is reached.
Description of the drawings
The accompanying drawing for constituting the part of the application is used for providing a further understanding of the present invention, the schematic reality of the present invention
Apply example and its illustrate, for explaining the present invention, not constituting inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is the structured flowchart of the alignment system in mine according to embodiments of the present invention；
Fig. 2 is the schematic diagram of the alignment system according to 2 embodiment of the invention；
Fig. 3 a are the structural representations of common tunnel lamp；
Fig. 3 b are the structural representations of tunnel lamp according to embodiments of the present invention；
Fig. 3 c are the connection diagrams of the adjusting control circuit in optical signal sending module according to embodiments of the present invention；
Fig. 3 d are the theory diagrams of optical signal receiving module according to embodiments of the present invention；
Fig. 3 e are the circuit connection diagrams of optical signal receiving module according to embodiments of the present invention；
Fig. 4 is the schematic diagram for carrying decoded information by carrier signal；
Fig. 5 is the schematic diagram of the first receiver module according to embodiments of the present invention；
Fig. 6 a are the PWM waveform figures that tunnel lamp sends out；
Fig. 6 b are the oscillograms that the first receptor is received；
Fig. 6 c are the oscillograms of " 0 "；
Fig. 6 d are the oscillograms of " 1 "；
Fig. 7 is the schematic diagram that head lamp sends coding information；
Fig. 8 is the flow chart of the localization method in mine according to embodiments of the present invention；And
Fig. 9 is the schematic diagram of the localization method in mine according to the preferred embodiment of the invention.
Specific embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the application can phase
Mutually combine.Below with reference to the accompanying drawings and in conjunction with the embodiments describing the present invention in detail.
The alignment system in a kind of mine is embodiments provided, the below mine provided by the embodiment of the present invention
In alignment system be introduced.
Fig. 1 is the structured flowchart of the alignment system in mine according to embodiments of the present invention.
As shown in figure 1, the alignment system in the mine includes that tunnel lamp 11, the first receptor 12, head lamp 13, second are received
Device 14, main frame 15 and first processor 16.
Tunnel lamp 11 is used for sending the first optical signal, and first optical signal is the optical signal after the first coding, i.e.
Corresponding first coding information of first optical signal, the first coding information that different tunnel lamps 11 sends are different.
The multiple tunnel lamps positioned at diverse location in for alignment system, carry out different codings to which respectively so that many
Individual tunnel lamp can send the optical signal corresponding to different coding information, i.e. sent positioned at the tunnel lamp of diverse location
One optical signal is different.For example, the tunnel lamp positioned at a positions sends the first encoded optical signal a, positioned at b positions
Tunnel lamp sends the first encoded optical signal b, and the tunnel lamp positioned at c positions sends the first encoded optical signal c, its
In, the first optical signal a corresponds to the first coding information a, and the first optical signal b corresponds to the first coding information b, the first optical signal c
Correspond to the first coding information c.
Tunnel lamp refer in tunnel be used for illumination lamp, for example, it may be the lamp hung at the top of tunnel, or
Lamp by cradle hangs in tunnel, the first optical signal that tunnel lamp 11 sends can be both visible light signal, may also be red
External signal is due to needing the carrier wave of 38kHZ when infrared signal is transmitted, higher to equipment requirements, it is however generally that by seeing
Signal transmission coding information.In embodiments of the present invention, tunnel lamp can both play a part of illumination, may also operate as positioning
Effect.
First receptor 12 is used for receiving the first optical signal.
First processor 16 is connected to the first receptor 12, for the first receptor 12 receive the first optical signal it
Afterwards, the first optical signal is decoded, so as to obtain corresponding first decoded information of the first encoded signal, i.e. process the first light
Signal is obtaining corresponding first decoded information of the first encoded signal.
The process of the process of coding and decoding is relative, is sent by illuminating lamp after the coding information of illuminating lamp is encoded,
First processor in positioner is decoded to the signal for receiving, so as to draw the coding information of the illuminating lamp.
Head lamp 13 is connected with first processor 16, and for sending the second optical signal, wherein, the second optical signal corresponding second is compiled
Code information, the content of the second coding information are identical with the content of the first coding information.
First receptor 12 can be arranged on head lamp 13, it is also possible to arranged on other portable equipments, or in mine
On the equipment such as the vehicle that other positions of interior personnel's body or staffs working in the mine are used, as long as tunnel lamp 11 can be received
The first optical signal for sending, typically in order to ensure the reception of the first receptor 12 and for the ease of collecting to each device
Into the first receptor 12 is arranged on head lamp 13.Head lamp 13 can send the second optical signal, the corresponding coding of the second optical signal
Information and the corresponding coding information of the first optical signal have identical content.
Second receptor 14 is arranged in tunnel, for receiving the second optical signal.
Second receptor 14 is generally located on tunnel lamp 11, can be used to receive the return of head lamp 13 comprising coding information
The second optical signal, in order to ensure not omit the second optical signal of the return of head lamp 12, one can be respectively provided with each tunnel lamp
Individual second receptor 14.
Main frame 15 is connected with the second receptor 14, and main frame 15 is generally located on Surveillance center, by data/address bus and second
Receptor 14 is connected, for determining the code letter in mine map of head lamp according to corresponding second decoded information of the second optical signal
Breath, wherein, the corresponding relation of be stored with main frame mine map and the second decoded information and address information, address information are used for
Represent address of the tunnel lamp in mine map, i.e. carry address or position of the personnel of the head lamp in mine.
One-to-one second coding information therewith can be obtained according to the second optical signal, can be with according to the second coding information
Obtain and its one-to-one second decoded information, so as to finally get address information, main frame 15 is obtaining the second receptor
After 14 address informations for receiving, the corresponding address of the address information can be determined in conjunction with data base and mine map.
In the present embodiment, encoded in transmitting terminal, and sent through corresponding tunnel lamp 11, due to corresponding to each
The coding carried out by the transmitting terminal of tunnel lamp 11 is different, thus, multiple different 11 corresponding coding informations of tunnel lamp are different,
That is, the optical signal sent by different tunnel lamps 11 is different.After receiving terminal receives optical signal, optical signal is solved
Code, due to the corresponding coding information difference of each optical signal, thus, obtained decoding after being decoded to each optical signal
Information is also different such that it is able to identify the optical signal for receiving from which tunnel lamp 11.Tunnel lamp 11 and head lamp 13 are logical
Optical signal transmission coding information is crossed, the radiation of the optical signal that tunnel lamp 11 and head lamp 13 send is less than radio wave signal, will not
Spark is produced, the effect of safety in production has therefore been reached.Meanwhile, the alignment system need not be by the alignment systems such as GPS, mine
In personnel receptor receive near tunnel lamp 11 optical signal after, you can obtain the coding information in the optical signal,
So as to obtain corresponding decoded information, and then main frame can obtain the corresponding address information of decoded information, now give tacit consent to the tunnel
The address of lamp 11 is the address of the personnel in mine, and therefore, the coding information of the tunnel lamp 11 is the coding information of head lamp 13,
Head lamp 13 sends the second coding information by being connected to the receptor on tunnel lamp 11 to the main frame 15 of alignment system, so that main
Machine 15 gets the address, as the arrangement of tunnel lamp 11 in mine is very intensive, is therefore positioned such that and can ensure that higher essence
Exactness and simplify the composition of system.
Fig. 2 is the schematic diagram of the alignment system according to 2 embodiment of the invention, as shown in Fig. 2 being carried out in the form of " M-N "
The spherical member of numbering is the tunnel lamp being distributed in mine, and each tunnel lamp has unique coding information, equal on each tunnel lamp
Receptor is connected with, decoded information is sent out after the decoded information for receiving head lamp return by receptor by bus and router
Deliver to main frame.
In embodiments of the present invention, the coding due to carrying out to different tunnel lamps is different, thus, different tunnel lamp institutes
The light for sending has different flicker frequencies, and the flicker frequency is that human eye cannot be discovered, so as to so that tunnel lamp
Illumination not only can be played a part of, and optic communication can be played a part of, be sent and position its position
Optical signal.
In order that each tunnel lamp sends different volume coding informations, different flicker frequencies can be set to different tunnel lamps
Rate, can get different decoded informations, it is preferable that alignment system also includes second from the optical signal of different flicker frequencies
Processor, second processing device are connected with tunnel lamp, for controlling tunnel lamp by default frequency scintillation sending corresponding to tunnel
First optical signal of the first coding information of lamp.Correspondingly, the first receptor can be used for receiving by default frequency scintillation
First optical signal.
Specifically, pulse width modulation technology can be passed through（PWM）To control the flicker frequency of tunnel lamp, it is preferable that the
Two processors are additionally operable to control tunnel lamp by default frequency scintillation sending the of corresponding tunnel lamp by pulse width modulation
First optical signal of one decoded information.Accordingly, the first receptor can receive the first optical signal by pulse width modulation.
Based on the reason for identical, head lamp is also required to be adjusted flicker frequency, it is preferable that first processor is additionally operable to control
Head lamp processed by the first optical signal for receiving frequency scintillation sending the second optical signal.Second receptor can be also used for receiving
The second optical signal by the frequency scintillation of the first optical signal.The first optical signal that head lamp is received is by what frequency scintillation, head lamp
I.e. by what frequency scintillation, the second optical signal that therefore the second receptor is received has and the first light the second optical signal for sending
Signal identical flicker frequency.
Equally, specifically, first processor can be also used for controlling head lamp by for receiving by pulse width modulation
The frequency scintillation of one optical signal is sending the second optical signal of the second coding information of corresponding tunnel lamp.Second receptor is additionally operable to
Receive the second optical signal by pulse width modulation.
In order to reduce coding information noise in the transmission, propagate coding information farther, can be passed by carrier wave
Defeated coding information, it is preferable that alignment system also includes first carrier signal generator, first carrier signal generator and tunnel lamp
Connection, for generating first carrier signal, wherein, carries corresponding first coding of the first optical signal on first carrier signal
Information, the first receptor are additionally operable to receive first carrier signal.In the same manner, alignment system also includes the second carrier signal generator,
Second carrier signal generator is connected with head lamp, for generating the second carrier signal, wherein, is carried in the second carrier signal
Corresponding second coding information of second optical signal, the second receptor are additionally operable to receive the second carrier signal.Optical signal when transmission
For infrared signal when, need the carrier signal using 38kKZ, when transmission optical signal be visible light signal when, to carrier signal
Frequency specifically do not require, under some particular cases, can with obstructed cross carrier signal and directly transmit coding information.Carry
The function of wave generator can be by single-chip microcomputer（MCU）To realize, it is also possible to the equipment of high frequency square wave can be produced by other
To realize.
Consider the features such as LED stable luminescence, energy-conservation and environmental protection, it is preferable that tunnel lamp is LED roadway lamp, meanwhile, head
Lamp is LED head lamp.
Fig. 3 a are the structural representations of common tunnel lamp, and Fig. 3 b are the structural representations of tunnel lamp according to embodiments of the present invention
Figure, such as Fig. 3 b, the flicker frequency that the carrier signal for being loaded with coding information is adjusted by MCU, you can obtain the optical signal of high frequency.Will
Tunnel lamp and coupled each several part regard an optical signal sending module as, then the optical signal sending module includes AC/DC
Change-over circuit（AC→DC）, LED drive circuit, bus control circuit, MCU, adjusting control circuit and LED.In dotted line frame
Part can be integrated into components and parts, the components and parts are made by being connected in existing LED drive circuit or LED driver
With.
Wherein, 220V alternating voltages are converted to DC voltage by AC/DC change-over circuits, and the circuit can pass through transformator reality
Existing, also can be realized by Switching Power Supply；DC voltage after LED drive circuit is by conversion is further converted into constant current voltage
It is supplied to LED；Bus control circuit can be used to transmit control information to control the brightness of LED；Adjusting control circuit is received
To the information of bus transfer, the PWM dimmer voltage signals of control LED are produced.In order to meet the launch requirements of optical signal, further
Ground, bus control circuit are additionally operable to transmit the communication information to be sent, and the communication information to be sent is sent by bus control circuit
MCU is given, MCU receives the communication information, and is compiled as optical coding signal, adjusting control circuit is shone according to encoded signal control
Bright LED lights, and so as to send the communication information in the form of optical signal from LED, completes the function of optical transmission module.
It should be noted that when the communication information is not sent, adjusting control circuit equally has the function of adjusting brightness of LED lamps.
In the embodiment shown in Fig. 3 b, adjusting control circuit can adopt circuit realiration as shown in Figure 3 c.Such as Fig. 3 c institutes
Show, the circuit includes four resistance and two metal-oxide-semiconductor Q1, wherein, the first end of the first metal-oxide-semiconductor Q1 connection MCU, the second end via
14th resistance R14 connects power supply, and the 3rd end is grounded；The first end of the second metal-oxide-semiconductor Q2 is connected to the first metal-oxide-semiconductor Q1 and the 14th
Node between resistance R14, the second end are connected to LED D2, and the 3rd end is grounded via the 16th resistance R16；13rd resistance
One termination power of R13, the other end are connected with the first end of the first metal-oxide-semiconductor Q1；One end ground connection of the 15th resistance R15, separately
One end is connected to the node between the first end of second end of the first metal-oxide-semiconductor Q1 and the second metal-oxide-semiconductor Q2.
Using the adjusting control circuit, amplify to drive LED by metal-oxide-semiconductor, produce high frequency flicker light, send optical signal.
Optical Receivers can adopt optical signal receiving module as shown in Figure 3 d, the Optical Receivers to be used for optic communication signal
The optical signal for receiving is converted to photoelectric signal by the signal receiving end in transmission, and by conversion after photoelectric signal enter
Row amplifies, and obtains stable square-wave signal by shaping after amplification, so that decoding circuit is decoded, as shown in Figure 3 d, the light
Signal receiving module includes optical signal processing circuit, amplifying circuit and compares shaping circuit.
Wherein, optical signal processing circuit is used for receiving optical signal, and the optical signal for receiving is converted to photoelectric signal；
Amplifying circuit is connected with optical signal processing circuit, and the photoelectric signal for exporting optical signal processing circuit amplifies；Relatively
Shaping circuit by amplification after voltage signal be compared with threshold voltage signal, obtain a stable square-wave signal so that
Decoding circuit is decoded.
Specifically, the optical signal receiving module can pass through the circuit realiration shown in Fig. 3 e.As shown in Figure 3 e, optical signal prosessing
Circuit includes optical receiving circuit and pre-amplification circuit, and wherein, optical receiving circuit includes light receiving diode D1, photoconductive resistance RS
With second resistance R2, pre-amplification circuit includes the first electric capacity C1,3rd resistor R3, the 4th resistance R4 and first comparator UIA；
Amplifying circuit includes the second electric capacity C2, the 5th resistance R5, the 6th resistance R6, the 8th resistance R8 and the second comparator UIB；Comparison is whole
Shape circuit includes the 9th resistance R9, the tenth resistance R10, the 11st resistance R11, the 12nd resistance R12 and the 3rd comparator UIC.
Specifically, the annexation of each circuit and the signal of output are described below respectively：
One termination power of the light receiving diode D1 in optical receiving circuit, the other end is via the electricity of photoconductive resistance RS and second
The parallel circuit ground connection that resistance R2 is constituted, wherein, by the optical signal for receiving, circuit conversion is light receiving diode D1 in parallel
Photovoltage, due to the characteristic that photoconductive resistance RS resistances change with intensity of illumination so that optical receiving circuit output voltage signal be
Little, the stable voltage signal of fluctuation；
First comparator UIA in pre-amplification circuit 11 ends ground connection, 2 ends via 3rd resistor R3 be grounded, 3 ends via
First electric capacity C1 connection optical receiving circuits, 4 termination powers, 1 end is outfan, wherein, is connected with the 4th between 2 ends and 1 end
Weaker voltage signal is carried out preliminary amplification by resistance R4, pre-amplification circuit；
5 ends of the second comparator UIB in amplifying circuit via the second electric capacity C2 connect pre-amplification circuit, 6 ends via
7th resistance R7 is grounded, and 7 ends are outfan, wherein, are connected with the 8th resistance R8 between 6 ends and 7 ends, and the one of the 5th resistance R5
Termination power, the other end are connected to the node between 5 ends of the second electric capacity C2 and the second comparator UIB, and the one of the 6th resistance R6
End is also connected to the node, and the other end is grounded, and amplifying circuit is coupled to voltage signal by the second electric capacity C2, due to the second electric capacity
The voltage that C2 is coupled to obtains a galvanic current pressure by the 5th resistance R5 and the 6th resistance R6 partial pressures, and then by the
Two comparator UIB do processing and amplifying, and signal is amplified in output；
9 ends of relatively the 3rd comparator UIC of shaping circuit are grounded via the 11st resistance R11,10 ends and amplifying circuit
It is connected, 8 ends are outfan, wherein, are connected with the 12nd resistance R12, a termination of the tenth resistance R10 between 8 ends and 9 ends
Power supply, the other end are connected to the node between 9 ends of the 3rd comparator UIC and the 11st resistance R11, one end of the 9th resistance R9
Ground connection, the other end are connected to the node between 10 ends of the 3rd comparator UIC and amplifying circuit, compare shaping circuit and will amplify electricity
The voltage signal of road output is compared with preset voltage signal, exports a stable square-wave signal, to follow-up decoding electricity
Do decoding and use in road.
As the coding information that the second receptor is received was also required to by decoding and analyzing before main frame is sent to,
In the present embodiment, it is preferable that the second receptor can be connected on the MCU of tunnel lamp, by tunnel lamp in MCU to coding
Information is decoded and analyzes, then is connected with bus by MCU, and decoded information is uploaded in main frame by bus.So
Design simplify the structure of alignment system.
Carrier signal in the present embodiment can be provided by MCU, it is also possible to can produce the equipment of high frequency square wave by other
There is provided, Fig. 4 is the schematic diagram for carrying coding information by carrier signal, and the DATA in figure is coding information.
In order to strengthen the optical signal for receiving, it is preferable that alignment system also includes the first preamplifier, the first wave filter
With the first amplifying circuit, each part above and decoder and the first receptor are integrated, the first reception can be constituted
Device module.Fig. 5 is the schematic diagram of the first receiver module according to embodiments of the present invention, as shown in figure 5, the first preamplifier
It is connected with the first receptor, for amplifying the first optical signal, the first wave filter is connected with the first preamplifier, for filtering the
The first optical signal after the amplification of one preamplifier, the first amplifying circuit are connected with the first wave filter, are filtered for amplifying first
The first optical signal after the filtration of ripple device.The first optical signal after to amplification enters row decoding, you can obtain coding information.In this reality
Apply in example, the function of decoder can be realized by MCU, the function of encoder corresponding with decoder can also be come in fact by MCU
Existing.
Fig. 6 is decoding schematic diagram, and wherein, Fig. 6 a are the PWM waveform figures that tunnel lamp sends out, and Fig. 6 b are that the first receptor connects
The oscillogram for receiving, Fig. 6 c are the oscillograms of " 0 ", and Fig. 6 d are the oscillograms of " 1 ", in decoding, by reading 2 declines of waveform
Judging " 0 " or " 1 ", Fig. 6 c are the waveform diagrams of according to embodiments of the present invention 0 to the time interval on edge, as schemed institute
Show, the time interval of rising edge to the trailing edge of ripple is 2us, and theoretical value 22us of " 0 ", Fig. 6 d are according to embodiments of the present invention
1 waveform diagram, as illustrated, theoretical value 32us of " 1 ".Criterion in the present embodiment is：Work as t>During 27us,
Determine receive for 1, work as t<During 27us, determine receive for 0.
In the same manner, alignment system also includes the second preamplifier, the second wave filter and the second amplifying circuit, will each portion above
Part and decoder and the second receptor are integrated, and can constitute the second receiver module.Second preamplifier and
Two receptors connect, for amplifying the second optical signal that the second receptor is received, the second wave filter and the second preamplifier
Connection, for filtering the second optical signal after the second preamplifier amplifies, the second amplifying circuit is connected with the second wave filter,
For the second optical signal after the second filters filter of amplification.
After coding information is obtained, the processor being connected with head lamp starts to be decoded the coding information, head lamp
Using the decoded information as the coding information of itself come for positioning, and add the coding information in the second optical information, then
The coding information is sent by carrier wave.In some preferred embodiments, can be with the mark in the second optical signal plus head lamp
Know symbol, by the identifier, alignment system not only can which local someone, moreover it is possible to determine that whom this people is.Fig. 7 is sent out for head lamp
The schematic diagram of coding information is sent, as shown in fig. 7, after carrier signal carries coding information, driving by LED, in the form of white light
Sending includes the optical signal of coding information.
The embodiment of the present invention additionally provides the localization method in a kind of mine, during the method can be based on above-mentioned mine
Alignment system is executing.
Fig. 8 is the flow chart of the localization method in mine according to embodiments of the present invention.
As shown in figure 8, the localization method in the mine includes steps S802 to step S806.
Step S802, receives the first optical signal from tunnel lamp, wherein, corresponding first coding information of the first optical signal.
This step can be executed by the first receptor being connected with head lamp.
Specifically, can obtain the frequency that the first optical signal of tunnel lamp flashes.
Step S804, obtains the first decoded information corresponding with the first coding information.
The address information of a tunnel lamp in the corresponding mine map of each decoded information, therefore, the address for giving tacit consent to positioning is
The address of the tunnel lamp.
Step S806, sends the second optical signal to main frame, wherein, corresponding second coding information of the second optical signal and first
Corresponding first coding information of optical signal is identical, and main frame determines second according to the corresponding relation of the second coding information and address information
The corresponding address of coding information.Main frame is located at Control Room, this step first the second optical signal can be sent to tunnel in reception
Device, then main frame is transmitted a signal to by receptor.
In this step, the frequency scintillation by the first optical signal for receiving can realize the coding for sending corresponding tunnel lamp
The purpose of the second optical signal of information.For example, if abovementioned steps obtain the frequency of the first optical signal of tunnel lamp, then
In this step, the frequency scintillation by the first optical signal for receiving is sending the second optical signal of corresponding second coding information.
The step can be executed by head lamp.
In order to reach more preferable locating effect, it is preferable that identifier can be arranged to each head lamp, therefore, the is being sent
Before two optical signals, the identifier of head lamp can also be obtained, then in this step, by the of identifier and presentation code information
Two coding informations are bound, and then send the second optical signal corresponding with the identifier of the second coding information and head lamp.
Fig. 9 is the schematic diagram of the localization method in mine according to the preferred embodiment of the invention, as illustrated, head lamp is connecing
After receiving the first optical signal that tunnel lamp c sends, the second optical signal can be returned, the receptor being connected with tunnel lamp c will can be received
To the second optical signal in coding information return to main frame.
As can be seen from the above description, the embodiment of the present invention simplifies the structure of alignment system in mine, improves
The safety of alignment system in mine.
It should be noted that can be in such as one group of computer executable instructions the step of the flow process of accompanying drawing is illustrated
Execute in computer system, and, although show logical order in flow charts, but in some cases, can be with not
The order being same as herein executes shown or described step.
Obviously, those skilled in the art should be understood that each step of the above-mentioned present invention can be filled with general calculating
Put to realize, they can be concentrated on single computing device, or be distributed on the network constituted by multiple computing devices,
Alternatively, they can be realized with the executable program code of computing device, it is thus possible to be stored in storage device
In executed by computing device, or they are fabricated to each integrated circuit modules respectively, or by the multiple moulds in them
Block or step are fabricated to single integrated circuit module to realize.So, the present invention is not restricted to any specific hardware and software
In conjunction with.
The preferred embodiments of the present invention are the foregoing is only, the present invention is not limited to, for the skill of this area
For art personnel, the present invention can have various modifications and variations.All within the spirit and principles in the present invention, made any repair
Change, equivalent, improvement etc., should be included within the scope of the present invention.
Claims (10)
1. the alignment system in a kind of mine, it is characterised in that include：
Tunnel lamp, for sending the first optical signal, wherein, corresponding first coding information of first optical signal；
First receptor, for receiving first optical signal；
First processor, is connected to first receptor, for processing first optical signal to obtain first coding
Corresponding first decoded information of information；
Head lamp, is connected to the first processor, for sending the second optical signal, wherein, second optical signal corresponding second
Coding information, second coding information are identical with first coding information；
Second receptor, is arranged in tunnel, for receiving second optical signal；And
Main frame, is connected with second receptor, for determining institute according to corresponding second decoded information of second optical signal
The address information in mine map of head lamp is stated, wherein, be stored with the main frame mine map and the second decoded information
With the corresponding relation of the address information, the address information be used for represent ground of the tunnel lamp in the mine map
Location；
Wherein, the alignment system also includes：Second processing device, is connected with the tunnel lamp, for passing through pulse width modulation
The tunnel lamp is controlled by default frequency scintillation to send the first optical signal of correspondingly first coding information, described first
Receptor is additionally operable to receive first optical signal by pulse width modulation.
2. the alignment system in mine according to claim 1, it is characterised in that
Second processing device, is additionally operable to control the tunnel lamp by default frequency scintillation sending correspondingly first coding information
The first optical signal,
First receptor is additionally operable to receive first optical signal by default frequency scintillation.
3. the alignment system in mine according to claim 2, it is characterised in that the alignment system also includes：
The first processor is additionally operable to control frequency scintillation of the head lamp by first optical signal for receiving sending
Second optical signal,
Second receptor is additionally operable to second optical signal for receiving the frequency scintillation by first optical signal.
4. the alignment system in mine according to claim 3, it is characterised in that
The first processor is additionally operable to control the head lamp by first optical signal for receiving by pulse width modulation
Frequency scintillation to send the second optical signal of correspondingly second coding information,
Second receptor is additionally operable to receive second optical signal by pulse width modulation.
5. the alignment system in mine according to claim 1, it is characterised in that the alignment system also includes：
First carrier signal generator, is connected with the tunnel lamp, for generating first carrier signal, wherein, described first
Corresponding first coding information of first optical signal is carried in carrier signal,
First receptor is additionally operable to receive the first carrier signal.
6. the alignment system in mine according to claim 1, it is characterised in that the alignment system also includes：
Second carrier signal generator, is connected with the head lamp, for generating the second carrier signal, wherein, is carried described second
Corresponding second coding information of second optical signal is carried on ripple signal,
Second receptor is additionally operable to receive second carrier signal.
7. the alignment system in mine according to claim 1, it is characterised in that
The tunnel lamp is LED roadway lamp；And
The head lamp is LED head lamp.
8. the localization method in a kind of mine, it is characterised in that include：
The first optical signal from tunnel lamp is received, wherein, corresponding first coding information of first optical signal；
Obtain the first decoded information corresponding with first coding information；And
The second optical signal is sent to main frame, wherein, corresponding second coding information of second optical signal is believed with first light
Number corresponding first coding information is identical, and the main frame is determined according to the corresponding relation of second coding information and address information
The corresponding address of second coding information.
9. the localization method in mine according to claim 8, it is characterised in that
Reception includes from the first optical signal of tunnel lamp：
The frequency of the first optical signal of the tunnel lamp is obtained,
Sending the second optical signal includes：
Frequency scintillation by first optical signal for receiving is sending the second optical signal of correspondingly second coding information.
10. the localization method in mine according to claim 8, it is characterised in that
Before the second optical signal is sent, methods described also includes：
Obtain the identifier of head lamp；And
The identifier and second coding information are bound,
Sending the second optical signal includes：
Send the second optical signal corresponding with second coding information and the identifier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210436116.0A CN102901946B (en) | 2012-11-05 | 2012-11-05 | Alignment system and method in mine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210436116.0A CN102901946B (en) | 2012-11-05 | 2012-11-05 | Alignment system and method in mine |
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| CN102901946A CN102901946A (en) | 2013-01-30 |
| CN102901946B true CN102901946B (en) | 2017-03-15 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104053125A (en) * | 2013-03-12 | 2014-09-17 | 中国银联股份有限公司 | Mobile user equipment, information identification system and method, and information push system and method |
| CN104517457A (en) * | 2013-09-30 | 2015-04-15 | 鸿富锦精密工业（深圳）有限公司 | Positioning light source device, positioning device and positioning method |
| CN104567853A (en) * | 2013-10-24 | 2015-04-29 | 张炯 | Position calibration device and method based on LED visible light source |
| CN104865553B (en) * | 2015-06-10 | 2017-07-14 | 珠海横琴华策光通信科技有限公司 | Alignment system, OSP and positioning element |
| CN107330939B (en) * | 2017-07-14 | 2020-08-28 | 中国矿业大学 | Visible light positioning system and method based on mine roadway lamp |
| CN107831469A (en) * | 2017-10-26 | 2018-03-23 | 张斌 | Optical signal positioner, method and system |
| CN109387810A (en) * | 2018-09-10 | 2019-02-26 | 珠海横琴华策光通信科技有限公司 | A kind of indoor locating system |
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| CN101738599A (en) * | 2008-11-05 | 2010-06-16 | 华硕电脑股份有限公司 | Location tracking method and related device |
| CN102104791B (en) * | 2009-12-17 | 2012-11-21 | 财团法人工业技术研究院 | Video camera calibration system and coordinate data generation system, and method thereof |
| CN102624455A (en) * | 2012-04-25 | 2012-08-01 | 武汉华炬光电有限公司 | LED visible light wireless communication system for mine |
| CN102708670A (en) * | 2012-05-17 | 2012-10-03 | 中兴通讯股份有限公司 | Communication method by using light in mines or oil and gas fields and light communication system |
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