CN106357334A - Cable tunnel positioning device and cable tunnel positioning method based on LiFi technique - Google Patents
Cable tunnel positioning device and cable tunnel positioning method based on LiFi technique Download PDFInfo
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- CN106357334A CN106357334A CN201610980005.4A CN201610980005A CN106357334A CN 106357334 A CN106357334 A CN 106357334A CN 201610980005 A CN201610980005 A CN 201610980005A CN 106357334 A CN106357334 A CN 106357334A
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- optical signal
- geocoding
- cable tunnel
- transmitting terminal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/11—Arrangements specific to free-space transmission, i.e. transmission through air or vacuum
- H04B10/114—Indoor or close-range type systems
- H04B10/116—Visible light communication
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/50—Transmitters
- H04B10/501—Structural aspects
- H04B10/502—LED transmitters
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/60—Receivers
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- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Optical Communication System (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The invention discloses a cable tunnel positioning device and a cable tunnel positioning method based on a LiFi technique. The cable tunnel positioning device comprises a plurality of optical signal sending terminals and an optical signal receiving terminal, wherein the optical signal sending terminals are respectively arranged on illuminating positions in a cable tunnel; each optical signal sending terminal is provided with a unique corresponding address code; the respectively unique address code is sent out through a visible light signal in the manner of light and shade change; the optical signal receiving terminal is in communication connection with each of the optical signal sending terminals through a visible light signal; the optical signal receiving terminal is used for receiving the visible light signal sent by each of the optical signal sending terminals; the unique address code corresponding to each of the optical signal sending terminals is acquired by analyzing the light and shade change of the visible light signal, so that the mounting position of each optical signal sending terminal can be positioned. According to the positioning method through visible light communication provided by the invention, the unique corresponding address code of each optical signal sending terminal is sent to the optical signal receiving terminal in the manner of light and shade change of the visible light, so that quick high-precision positioning in the cable tunnel can be realized.
Description
Technical field
The present invention relates to a kind of cable tunnel positioner and localization method, specifically refer to a kind of electricity based on lifi technology
Cable tunnel placement device and localization method, belong to communication and navigation technical field.
Background technology
At present, cable tunnel has following feature: 1, whole Tunnel Engineering is embedded in underground；2nd, due to engineering geology,
The factors such as hydrogeology, pollution, there may be toxic gas in tunnel；3rd, because cable extends in all direction, cable tunnel is just as one
The building of individual flattening；4th, cable tunnel spreads all over extensively；5th, there is the situation of surface subsidence；6th, the cable effect ten thousand in tunnel
Thousand, it is that the orthobiosiss of people play vital effect, therefore staff needs regular visit or carries out working drawing review,
Thus ensureing the normal use of cable.
Based on the feature of above cable tunnel, staff needs quickly to navigate to destination locations in cable tunnel.And
Because the electromagnetic signal on the ground in cable tunnel is greatly shielded it is impossible to adopt common gps(global
Positioning system, global positioning system), the technology such as architecture.Accordingly, it would be desirable to adopt another suitable tunnel
The positioner of interior use.
In prior art, the location technology of suitable cable tunnel mainly has wifi(wireless fidelity, wireless office
Domain Network Communication), lifi(light fidelity is it is seen that light wireless communication), ultrasound wave etc..Wherein, the positioning skill based on lifi
Art has higher precision compared to other location technologies.And, based on the positioning of lifi, additionally need not increase equipment it is only necessary to
On the basis of original illumination, using the luminaire of lifi.With the popularization of led illumination popularization and lifi technology,
Lifi technology is more suitable for for the positioning in cable tunnel.
Content of the invention
It is an object of the invention to provide a kind of cable tunnel positioner based on lifi technology and localization method, by can
See the localization method of optic communication, the side that the uniquely corresponding geocoding of each optical signal transmitting terminal is changed with visible ray light and shade
Formula sends to optical signal receiving terminal, realizes the positioning of quick high accuracy in cable tunnel.
For achieving the above object, the technical scheme is that provides a kind of cable tunnel based on lifi technology positioning dress
Put, comprise: multiple optical signal transmitting terminals, it is separately mounted on the lighting position in cable tunnel, and each optical signal transmitting terminal
It is provided with a uniquely corresponding geocoding, will each compile unique address by way of visible light signal is with light and shade change
Code sends；Communicated to connect by visible light signal between optical signal receiving terminal, and each optical signal transmitting terminal, receive each
The visible light signal that optical signal transmitting terminal sends, by identify visible light signal light and shade change parsing obtain corresponding only
One geocoding, to position installation site in tunnel for the optical signal transmitting terminal.
Each described optical signal transmitting terminal comprises: led illuminating lamp；Geocoding memorizer, for storage and this light letter
Number transmitting terminal uniquely corresponding geocoding；Signal modulator, is connected by circuit with described geocoding memorizer, docking
The geocoding receiving is modulated, and generates high-frequency carrier signal；Led drive control device, respectively with described signal modulator
And led illuminating lamp is connected by circuit, the high-frequency carrier signal receiving is sent to led illuminating lamp, to control led to illuminate
Uniquely corresponding geocoding is sent by way of visible light signal is with light and shade change by lamp.
Described led illuminating lamp is arranged on the lighting position in cable tunnel, or arranges using in former cable tunnel
Luminaire.
By each optical signal transmitting terminal, uniquely corresponding geocoding is marked on the drawing of cable tunnel respectively, makes each
Geocoding forms corresponding relation with cable tunnel drawing position, obtains the address date of each optical signal transmitting terminal.
Described optical signal receiving terminal comprises: address storehouse memorizer, stores the address date of each optical signal transmitting terminal；Light
Propagated sensation sensor, receives the visible light signal that each optical signal transmitting terminal sends, the light and shade change of identification led illuminating lamp, and changes
Become binary system high-frequency carrier signal；Demodulator of PM signal PM, is connected by circuit with described photosensitive sensors, to the high frequency receiving
Carrier signal is demodulated, and generates and each optical signal transmitting terminal uniquely corresponding geocoding；Address resolver, respectively with institute
The demodulator of PM signal PM stated and address storehouse memorizer are connected by circuit, and the geocoding receiving is parsed, by its with
In the storehouse memorizer of address, the address date of all optical signal transmitting terminals of storage is compared, and positioning obtains this geocoding in electricity
Installation site in cable tunnel.
The present invention also provides a kind of cable tunnel localization method based on lifi technology, real using above-mentioned positioner
Existing, comprise the steps of
S1, a unique corresponding geocoding is arranged to each optical signal transmitting terminal；
S2, each optical signal transmitting terminal is arranged on the lighting position in cable tunnel, is become with light and shade by visible light signal
Each unique geocoding is sent by the mode changed；
S3, optical signal receiving terminal receive the visible light signal that each optical signal transmitting terminal sends, by identifying visible light signal
Light and shade change parsing obtains corresponding unique geocoding, to position installation position in tunnel for the optical signal transmitting terminal
Put.
In described s1, also comprise: by each optical signal transmitting terminal, uniquely corresponding geocoding is marked at cable respectively
On the drawing in tunnel, make each geocoding form corresponding relation with cable tunnel drawing position, obtain each optical signal and send
The address date at end, and be stored in the address storehouse memorizer of optical signal receiving terminal.
In described s2, specifically comprise the steps of
S21, by each optical signal transmitting terminal uniquely corresponding geocoding be respectively stored in this optical signal transmitting terminal address compile
In code memory；
S22, the signal modulator of each optical signal transmitting terminal are modulated to the geocoding receiving, and generate high frequency carrier letter
Number；
S23, the led drive control device of each optical signal transmitting terminal send the high-frequency carrier signal receiving to led illuminating lamp,
To control led illuminating lamp to send uniquely corresponding geocoding by way of visible light signal is with light and shade change.
In described s3, specifically comprise the steps of
S31, the photosensitive sensors of optical signal receiving terminal receive the visible light signal that each optical signal transmitting terminal sends, and identify led
The light and shade change of illuminating lamp, and it is converted into binary system high-frequency carrier signal；
S32, the demodulator of PM signal PM of optical signal receiving terminal are demodulated to the high-frequency carrier signal receiving, and generate and each light letter
Number transmitting terminal uniquely corresponding geocoding；
S33, the address resolver of optical signal receiving terminal parse to the geocoding receiving, by itself and address storehouse memorizer
The address date of all optical signal transmitting terminals of middle storage is compared, and positioning obtains peace in cable tunnel for this geocoding
Holding position.
The cable tunnel positioner based on lifi technology and localization method that the present invention provides, by visible light communication
Localization method, the uniquely corresponding geocoding of each optical signal transmitting terminal is sent to light in the way of the change of visible ray light and shade
Signal receiving end, and it is converted into discernible positional information, thus realizing the positioning of quick high accuracy in cable tunnel, and need not
Extra increase equipment, the suitability is wide.
Brief description
Fig. 1 is the structural representation of the cable tunnel positioner based on lifi technology in the present invention.
Specific embodiment
Below in conjunction with Fig. 1, describe multiple preferred embodiments of the present invention in detail.
As shown in figure 1, the cable tunnel positioner based on lifi technology providing for the present invention, it comprises: Duo Geguang
Signal sending end 1, is separately mounted on the lighting position in cable tunnel, and each optical signal transmitting terminal 1 is provided with one only
Each unique geocoding is sent by way of visible light signal is with light and shade change by one corresponding geocoding；
Communicated to connect by visible light signal between optical signal receiving terminal 2, and each optical signal transmitting terminal 1, receive each optical signal and send out
The visible light signal that sending end 1 sends, by identify the light and shade change parsing of visible light signal obtain corresponding uniquely
Location encodes, thus positioning installation site in tunnel for the optical signal transmitting terminal 1.
Each described optical signal transmitting terminal 1 comprises: led illuminating lamp 14；Geocoding memorizer 11, for storing and being somebody's turn to do
Optical signal transmitting terminal 1 uniquely corresponding geocoding；Signal modulator 12, passes through circuit with described geocoding memorizer 11
Connect, the geocoding receiving is modulated, generate high-frequency carrier signal；Led drive control device 13, respectively with described
Signal modulator 12 and led illuminating lamp 14 are connected by circuit, and the high-frequency carrier signal receiving is sent to led illuminating lamp
14, to control led illuminating lamp 14 to send out uniquely corresponding geocoding by way of visible light signal is with light and shade change
Go.
Described led illuminating lamp 14 is arranged on the lighting position in cable tunnel, or sets using in former cable tunnel
The luminaire put.The frequency of the light and shade change of the visible light signal being sent due to led illuminating lamp 14 is very fast, general human eye root
Originally its flicker cannot be discovered, therefore also do not interfere with the normal illumination in cable tunnel.
By each optical signal transmitting terminal 1 uniquely corresponding geocoding be marked at respectively on the drawing of cable tunnel it is ensured that
The geocoding of each optical signal transmitting terminal 1 can be embodied in tunnel drawing so that each geocoding and cable tunnel figure
Paper position forms corresponding relation, obtains the address date of each optical signal transmitting terminal 1.
Described optical signal receiving terminal 2 comprises: address storehouse memorizer 24, stores the number of addresses of each optical signal transmitting terminal 1
According to, including geocoding, and cable tunnel corresponding with this geocoding drawing position；Photosensitive sensors 21, receive each
The visible light signal that optical signal transmitting terminal 1 sends, the light and shade change of identification led illuminating lamp 14, and it is converted into binary system high frequency load
Ripple signal；Demodulator of PM signal PM 22, is connected by circuit with described photosensitive sensors 21, the high-frequency carrier signal receiving is entered
Row demodulation, generates and each optical signal transmitting terminal 1 uniquely corresponding geocoding；Address resolver 23, respectively with described letter
Number demodulator 22 and address storehouse memorizer 24 are connected by circuit, and the geocoding receiving is parsed, by itself and ground
In location storehouse memorizer 24, the address date of all optical signal transmitting terminals 1 of storage is compared, and positioning obtains this geocoding and exists
Installation site in cable tunnel.
In the present embodiment, described photosensitive sensors 21 adopt high speed photosensitive sensors.
The present invention also provides a kind of cable tunnel localization method based on lifi technology, real using above-mentioned positioner
Existing, comprise the steps of
S1, a unique corresponding geocoding is arranged to each optical signal transmitting terminal 1；
S2, each optical signal transmitting terminal 1 is arranged on the lighting position in cable tunnel, is become with light and shade by visible light signal
Each unique geocoding is sent by the mode changed；
S3, optical signal receiving terminal 2 receive the visible light signal that each optical signal transmitting terminal 1 sends, by identifying visible light signal
Light and shade change parsing obtain corresponding unique geocoding, thus positioning peace in tunnel for the optical signal transmitting terminal 1
Holding position.
In described s1, also comprise: by each optical signal transmitting terminal 1, uniquely corresponding geocoding is marked at cable respectively
On the drawing in tunnel, make each geocoding form corresponding relation with cable tunnel drawing position, obtain each optical signal and send
The address date at end 1, and be stored in the address storehouse memorizer 24 of optical signal receiving terminal 2.
In described s2, specifically comprise the steps of
S21, by each optical signal transmitting terminal 1, uniquely corresponding geocoding is respectively stored in the address of this optical signal transmitting terminal 1
In coded stack 11；
S22, the signal modulator 12 of each optical signal transmitting terminal 1 are modulated to the geocoding receiving, and generate high frequency and carry
Ripple signal；
S23, the led drive control device 13 of each optical signal transmitting terminal 1 send the high-frequency carrier signal receiving to led illumination
Lamp 14, to control led illuminating lamp 14 will uniquely corresponding geocoding send by way of visible light signal is with light and shade change
Go out.
In described s3, specifically comprise the steps of
S31, the photosensitive sensors 21 of optical signal receiving terminal 2 receive the visible light signal that each optical signal transmitting terminal 1 sends, identification
The light and shade change of led illuminating lamp 14, and it is converted into binary system high-frequency carrier signal；
S32, the demodulator of PM signal PM 22 of optical signal receiving terminal 2 are demodulated to the high-frequency carrier signal receiving, and generate and each
Optical signal transmitting terminal 1 uniquely corresponding geocoding；
S33, the address resolver 23 of optical signal receiving terminal 2 parse to the geocoding receiving, by itself and address stock
In reservoir 24, the address date of all optical signal transmitting terminals 1 of storage is compared, and positioning obtains this geocoding in cable tunnel
Installation site in road.
The cable tunnel positioner based on lifi technology and localization method that the present invention provides, by visible light communication
Localization method, the uniquely corresponding geocoding of each optical signal transmitting terminal is sent to light in the way of the change of visible ray light and shade
Signal receiving end, and it is converted into discernible positional information, thus realizing the positioning of quick high accuracy in cable tunnel.
Although present disclosure has been made to be discussed in detail by above preferred embodiment, but it should be appreciated that above-mentioned
Description is not considered as limitation of the present invention.After those skilled in the art have read the above, for the present invention's
Multiple modifications and substitutions all will be apparent from.Therefore, protection scope of the present invention should be limited to the appended claims.
Claims (9)
1. a kind of cable tunnel positioner based on lifi technology is it is characterised in that comprise:
Multiple optical signal transmitting terminals, are separately mounted on the lighting position in cable tunnel, and the setting of each optical signal transmitting terminal
There is a uniquely corresponding geocoding, will each unique geocoding send out by way of visible light signal is with light and shade change
See off；
Communicated to connect by visible light signal between optical signal receiving terminal, and each optical signal transmitting terminal, receive each optical signal
The visible light signal that transmitting terminal sends, by identify the light and shade change parsing of visible light signal obtain corresponding uniquely
Location encodes, to position installation site in tunnel for the optical signal transmitting terminal.
2. the cable tunnel positioner based on lifi technology as claimed in claim 1 is it is characterised in that each described light
Signal sending end comprises:
Led illuminating lamp；
Geocoding memorizer, storage and this optical signal transmitting terminal uniquely corresponding geocoding；
Signal modulator, is connected by circuit with geocoding memorizer, and the geocoding receiving is modulated, and generates high
Frequency carrier signal；
Led drive control device, is connected by circuit with signal modulator and led illuminating lamp respectively, and the high frequency receiving is carried
Ripple signal sends to led illuminating lamp, to control led illuminating lamp will uniquely correspond to by way of visible light signal is with light and shade change
Geocoding send.
3. the cable tunnel positioner based on lifi technology as claimed in claim 2 is it is characterised in that described led shines
Bright lamp is arranged on the lighting position in cable tunnel, or the luminaire using setting in former cable tunnel.
4. the cable tunnel positioner based on lifi technology as claimed in claim 2 is it is characterised in that by each optical signal
Uniquely corresponding geocoding is marked on the drawing of cable tunnel transmitting terminal respectively, makes each geocoding and cable tunnel figure
Paper position forms corresponding relation, obtains the address date of each optical signal transmitting terminal.
5. the cable tunnel positioner based on lifi technology as claimed in claim 4 is it is characterised in that described optical signal
Receiving terminal comprises:
Address storehouse memorizer, stores the address date of each optical signal transmitting terminal；
Photosensitive sensors, receive the visible light signal that each optical signal transmitting terminal sends, and the light and shade of identification led illuminating lamp changes,
And it is converted into binary system high-frequency carrier signal；
Demodulator of PM signal PM, is connected by circuit with photosensitive sensors, and the high-frequency carrier signal receiving is demodulated, generate with
Each optical signal transmitting terminal uniquely corresponding geocoding；
Address resolver, is connected by circuit with demodulator of PM signal PM and address storehouse memorizer respectively, and the address receiving is compiled
Code is parsed, and it is compared with the address date of all optical signal transmitting terminals of storage in the storehouse memorizer of address, positioning
Obtain installation site in cable tunnel for this geocoding.
6. a kind of cable tunnel localization method based on lifi technology is it is characterised in that using as arbitrary in Claims 1 to 5
Positioner described in is realized, and comprises the steps of
S1, a unique corresponding geocoding is arranged to each optical signal transmitting terminal；
S2, each optical signal transmitting terminal is arranged on the lighting position in cable tunnel, is become with light and shade by visible light signal
Each unique geocoding is sent by the mode changed；
S3, optical signal receiving terminal receive the visible light signal that each optical signal transmitting terminal sends, by identifying visible light signal
Light and shade change parsing obtains corresponding unique geocoding, to position installation position in tunnel for the optical signal transmitting terminal
Put.
7. the cable tunnel localization method based on lifi technology as claimed in claim 6 is it is characterised in that in described s1,
Also comprise: by each optical signal transmitting terminal, uniquely corresponding geocoding is marked on the drawing of cable tunnel respectively, makes each
Geocoding forms corresponding relation with cable tunnel drawing position, obtains the address date of each optical signal transmitting terminal, and stores
In the address storehouse memorizer of optical signal receiving terminal.
8. the cable tunnel localization method based on lifi technology as claimed in claim 7 is it is characterised in that in described s2,
Specifically comprise the steps of
S21, by each optical signal transmitting terminal uniquely corresponding geocoding be respectively stored in this optical signal transmitting terminal address compile
In code memory；
S22, the signal modulator of each optical signal transmitting terminal are modulated to the geocoding receiving, and generate high frequency carrier letter
Number；
S23, the led drive control device of each optical signal transmitting terminal send the high-frequency carrier signal receiving to led illuminating lamp,
To control led illuminating lamp to send uniquely corresponding geocoding by way of visible light signal is with light and shade change.
9. the cable tunnel localization method based on lifi technology as claimed in claim 8 is it is characterised in that in described s3,
Specifically comprise the steps of
S31, the photosensitive sensors of optical signal receiving terminal receive the visible light signal that each optical signal transmitting terminal sends, and identify led
The light and shade change of illuminating lamp, and it is converted into binary system high-frequency carrier signal；
S32, the demodulator of PM signal PM of optical signal receiving terminal are demodulated to the high-frequency carrier signal receiving, and generate and each light letter
Number transmitting terminal uniquely corresponding geocoding；
S33, the address resolver of optical signal receiving terminal parse to the geocoding receiving, by itself and address storehouse memorizer
The address date of all optical signal transmitting terminals of middle storage is compared, and positioning obtains peace in cable tunnel for this geocoding
Holding position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610980005.4A CN106357334A (en) | 2016-11-08 | 2016-11-08 | Cable tunnel positioning device and cable tunnel positioning method based on LiFi technique |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610980005.4A CN106357334A (en) | 2016-11-08 | 2016-11-08 | Cable tunnel positioning device and cable tunnel positioning method based on LiFi technique |
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| CN106357334A true CN106357334A (en) | 2017-01-25 |
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| CN201610980005.4A Pending CN106357334A (en) | 2016-11-08 | 2016-11-08 | Cable tunnel positioning device and cable tunnel positioning method based on LiFi technique |
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Cited By (8)
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| CN107017944A (en) * | 2017-04-18 | 2017-08-04 | 东莞信大融合创新研究院 | Communication means, sending ending equipment and receiving device based on visible ray |
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| CN107389070A (en) * | 2017-07-28 | 2017-11-24 | 京东方科技集团股份有限公司 | A kind of navigation system and air navigation aid |
| CN111413671A (en) * | 2020-04-28 | 2020-07-14 | 苏州碧林威智能科技有限公司 | L iFi technology-based multi-PD positioning method and system |
| CN111413674A (en) * | 2020-04-28 | 2020-07-14 | 苏州碧林威智能科技有限公司 | Multi-L ED transmitting end multi-PD positioning method and system based on L iFi technology |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107017944A (en) * | 2017-04-18 | 2017-08-04 | 东莞信大融合创新研究院 | Communication means, sending ending equipment and receiving device based on visible ray |
| CN107291024A (en) * | 2017-06-06 | 2017-10-24 | 欧普照明股份有限公司 | A kind of Tunnel Lamp, the localization method of Tunnel Lamp and system |
| CN107291024B (en) * | 2017-06-06 | 2024-03-01 | 欧普照明股份有限公司 | Tunnel lamp, positioning method and system of tunnel lamp |
| CN107389070A (en) * | 2017-07-28 | 2017-11-24 | 京东方科技集团股份有限公司 | A kind of navigation system and air navigation aid |
| CN111413671A (en) * | 2020-04-28 | 2020-07-14 | 苏州碧林威智能科技有限公司 | L iFi technology-based multi-PD positioning method and system |
| CN111413674A (en) * | 2020-04-28 | 2020-07-14 | 苏州碧林威智能科技有限公司 | Multi-L ED transmitting end multi-PD positioning method and system based on L iFi technology |
| CN111413674B (en) * | 2020-04-28 | 2023-08-22 | 苏州碧林威智能科技有限公司 | LiFi technology-based multi-PD positioning method and system for multi-LED transmitting end |
| CN111413671B (en) * | 2020-04-28 | 2023-11-07 | 苏州碧林威智能科技有限公司 | LiFi technology-based multi-PD positioning method and system |
| CN111762236A (en) * | 2020-06-29 | 2020-10-13 | 交控科技股份有限公司 | Rail transit train positioning method, device and system |
| CN112074048A (en) * | 2020-09-16 | 2020-12-11 | 深圳市芯宇昊科技有限公司 | Power line control online addressing method and system without address line |
| CN112074048B (en) * | 2020-09-16 | 2023-03-24 | 深圳市芯宇昊科技有限公司 | Power line control online addressing method and system without address line |
| CN116456527A (en) * | 2023-05-25 | 2023-07-18 | 杭州昀芯光电科技有限公司 | External signal triggered writable code LED color lamp |
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