CN108347282A - GPS signal long distance transmission device based on simple optical fiber and transmission method - Google Patents
GPS signal long distance transmission device based on simple optical fiber and transmission method Download PDFInfo
- Publication number
- CN108347282A CN108347282A CN201810370083.1A CN201810370083A CN108347282A CN 108347282 A CN108347282 A CN 108347282A CN 201810370083 A CN201810370083 A CN 201810370083A CN 108347282 A CN108347282 A CN 108347282A
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- signal
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- gps
- converter
- sender unit
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- 239000013307 optical fiber Substances 0.000 title claims abstract description 46
- 230000005540 biological transmission Effects 0.000 title claims abstract description 42
- 238000000034 method Methods 0.000 title claims abstract description 16
- 230000003287 optical effect Effects 0.000 claims abstract description 45
- 230000008054 signal transmission Effects 0.000 claims abstract description 6
- 239000000835 fiber Substances 0.000 claims description 23
- 238000006243 chemical reaction Methods 0.000 claims description 8
- 239000007787 solid Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
- 230000005622 photoelectricity Effects 0.000 description 5
- 239000000428 dust Substances 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000005693 optoelectronics Effects 0.000 description 2
- 239000000686 essence Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Classifications
-
- 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
- H04B10/25—Arrangements specific to fibre transmission
- H04B10/2589—Bidirectional transmission
- H04B10/25891—Transmission components
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/02—Details
- H04J3/06—Synchronising arrangements
- H04J3/0635—Clock or time synchronisation in a network
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Optical Communication System (AREA)
Abstract
The invention discloses GPS signal long distance transmission devices and transmission method based on simple optical fiber, transmitting device includes sender unit and signal receiving device, sender unit includes antenna, GPS signal receiver A, accumulator and photovoltaic converter A, the transmission method of the present invention, includes the following steps：S1, electric signal receive；S2, electric signal transmission；S3, electric signal are converted into optical signal；S4, optical signal are converted into electric signal；S5, cascaded transmission.The present invention is converted into optical signal transmission by optical fiber using between sender unit and signal receiving device into horizontal electrical signal, finally transmitted with electric signal, the transmission range of signal can be increased, utilize photoelectric converter B output TOD information and PPS signal, photoelectric converter B can be exported and be inputted identical optical signal to subsequent photoelectric converter B again simultaneously, be embodied as more instruments and provided clock synchronization signal to realize the time synchronization between more instruments.
Description
Technical field
The present invention relates to GPS signal transmission technique fields, more particularly to the GPS signal long distance transmission based on simple optical fiber
Device and transmission method.
Background technology
Method of the current numerous instruments using the TOD information and PPS signal of GPS receiver output as its clock synchronization.More
Instrument when GPS signal school is used to cooperate with identical time precision in different location, using GPS as time adjustment
Source is very cost-effective method.But when these instruments are operated in the tunnel in mine etc. without GPS signal region, and these instruments
When need to be operated in a plurality of different tunnel again, it will be unable to carry out time adjustment using the above method.
GPS radio-frequency signal is introduced into no GPS signal region by coaxial cable, then made by existing GPS signal transponder
GPS signal is sent out with radio frequency method with particular device, receives and uses for instrument.The problem of such method, is：
1. coaxial cable transmission range is limited, general transmission range is 50 meters；
2. radiofrequency signal overlay area is limited, when multiple instruments are located at different location, signal covering is difficult.
For traditional GPS receiver in long distance transmission, signal is weak or signal cuts in and out, and then influences equipment
The startup of instrument operates, in consideration of it, we provide GPS signal long distance transmission device and transmission side based on simple optical fiber
Method.
Invention content
To solve the above-mentioned problems, the present invention provides GPS signal long distance transmission device and biography based on simple optical fiber
Transmission method.
The GPS signal long distance transmission device based on simple optical fiber in the present invention, including sender unit and signal
Reception device, the sender unit are connected with signal receiving device by optical fiber, the sender unit include antenna,
GPS signal receiver A, accumulator and photovoltaic converter A, the housing top end of the sender unit are fixedly connected with vertical
The housing top end fixation of antenna, the sender unit is inlaid with GPS signal receiver A, the sender unit it is interior
Fixed placement has accumulator and photovoltaic converter A, wherein antenna, GPS signal receiver A and photovoltaic converter A electrical in chamber
Accumulator in connection signal sending device shell, the antenna are electrically connected GPS signal receiver A, and the GPS signal receives
Machine A outputs TOD information connects photoelectric converter A with PPS signal signal, and the signal receiving device includes that accumulator and photoelectricity turn
Change device B, fixed placement has accumulator and photovoltaic converter B, wherein photovoltaic converter B to connect in the inner cavity of the signal receiving device
The accumulator in signal receiving device shell is connect, the photovoltaic converter B outputs TOD information connects equipment and instrument with PPS signal.
In said program, the side wall of the sender unit is equipped with the fiber optic hub one of multigroup model, the signal
The side wall of reception device is equipped with the fiber optic hub two of multigroup model, wherein multigroup fiber optic hub one and multigroup fiber optic hub two
Model mutually matches.
In said program, the sender unit and signal receiving device offer on the side wall close to accumulator
Heat emission hole, wherein fixing adhesion on the madial wall of heat emission hole has a nanometer dirt filtrating screen.
In said program, the shape of the heat emission hole is rectangle, and the wherein top of heat emission hole is higher than the top of battery cell case
End.
In said program, two rear line heads of the optical fiber are plugged on the mounting hole of fiber optic hub one and fiber optic hub two respectively
It is interior.
In said program, model, the size all same of the photovoltaic converter A and photovoltaic converter B, the opto-electronic conversion
Device A connects photoelectric converter B by optical fiber.
In said program, the equipment and instrument includes multiple instruments, and the plurality of equal signal of instrument connects opto-electronic conversion
Device A.
The transmission method of GPS signal long distance transmission device based on simple optical fiber, includes the following steps：
S1, electric signal receive：Antenna on sender unit receives electric wave signal, and electric wave signal passes to GPS signal and connects
Receipts machine A；
S2, electric signal transmission：GPS signal receiver A output TOD information and PPS signal signal pass to photovoltaic converter A；
S3, electric signal are converted into optical signal：The TOD information and PPS signal that receive are converted into optical signal by photovoltaic converter A,
Then, photovoltaic converter A passes to the photovoltaic converter B on signal receiving device by optical fiber into traveling optical signal；
S4, optical signal are converted into electric signal：The optical signal received is converted into electric signal by photovoltaic converter B, and electric signal is electrical
Connect each instrument in equipment and instrument；
S5, cascaded transmission：Photoelectric converter B can be exported after receiving the optical signal of photoelectric converter A and be inputted identical light again
Signal is embodied as more instruments and provides clock synchronization signal to subsequent multiple photoelectric converter B.
The advantages of the present invention are：Structure of the invention is ingenious in design, easy to operate, is convenient for people to use,
It is transmitted using optical signal is converted into horizontal electrical signal by optical fiber between sender unit and signal receiving device, finally with electricity
Signal is transmitted, and can increase the transmission range of signal, and can ensure the intensity of signal, and then this dress that is convenient for people to use
It sets, using multigroup fiber optic hub one and multigroup fiber optic hub two, meets the optical fiber connection of different model, be also convenient for corresponding identical
Optical fiber ensures that sender unit and signal receiving device can efficiently radiate, and energy using heat emission hole and nanometer dirt filtrating screen
It is enough effective that dust is prevented to enter in the inner cavity of this device, to ensure the service life of this device, using photovoltaic converter A and
Photovoltaic converter B facilitates and realizes mutually converting between electric signal and optical signal, facilitates no GPS signal region instrument precisely right
When, photoelectric converter B can be exported after receiving the optical signal of photoelectric converter A and be inputted identical optical signal to subsequent light again
Electric transducer B, the time synchronization being embodied as between more instruments.
The transmission for being carried out GPS signal in the present invention using optical fiber, is transmitted up to KM；It need to use at the instrument of GPS signal
Setting photoelectric conversion device can provide clock synchronization signal for instrument, improve availability.
The TOD information of GPS receiver output and PPS signal are converted into optical signal by photoelectric converter, utilize optical fiber
It is transmitted, is transferred to after desired zone and is converted into the TOD information needed for instrument and PPS signal access using photoelectric conversion device
Into instrument, while photoelectric conversion device replicates the output of this optical signal and is used for Other Instruments, to complete to be operated in mine lane
The time adjustment of the more instruments without GPS signal region such as road.
GPS signal receiver receives GPS signal radiofrequency signal in the present invention, and output in electrical signal form is believed comprising the time
Number input signal as photoelectric converter A of TOD information and pulse per second (PPS) PPS signal, photoelectric converter A believes the TOD of input
Breath and PPS signal are converted to optical signal output, the use of optical fiber are that medium completes long distance transmission, photoelectric converter B receives photoelectricity
TOD information and PPS signal are parsed after the optical signal of converter A outputs, output in electrical signal form is supplied to required instrument,
The identical optical signal of output is replicated simultaneously, and follow-up photoelectric converter repeats this work, realizes the force transfer of signal, is more instrument
Device provides GPS clock synchronization signals.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention without having to pay creative labor, may be used also for those of ordinary skill in the art
With obtain other attached drawings according to these attached drawings.
Fig. 1 is the integrated connection positive structure diagram of the present invention.
Fig. 2 is the broken section structural schematic diagram of sender unit of the present invention.
Fig. 3 is the broken section structural schematic diagram of signal receiving device of the present invention.
Fig. 4 is the deployed configuration schematic diagram of optical fiber of the present invention.
Fig. 5 is the work flow diagram of the present invention.
In figure：1- sender units, 10- antennas, 11- fiber optic hubs one, 12-GPS signal receivers A, 13- photoelectricity turn
Change device A, 2- signal receiving device, 20- fiber optic hubs two, 22- photovoltaic converters B, 3- optical fiber, 4- accumulators, 5- heat emission holes, 6-
Nanometer dirt filtrating screen.
Specific implementation mode
With reference to the accompanying drawings and examples, the specific implementation mode of the present invention is further described.Following embodiment is only
For clearly illustrating technical scheme of the present invention, and not intended to limit the protection scope of the present invention.
As shown in Figs. 1-5, the GPS signal long distance transmission device based on simple optical fiber, including sender unit 1 and letter
Number reception device 2, sender unit 1 and the connection of 2 output optical fibre 3 of signal receiving device, two rear line heads of optical fiber 3 distinguish grafting
In the mounting hole of fiber optic hub 1 and fiber optic hub 2 20, the side wall of sender unit 1 is equipped with the light of multigroup model
Fine jack 1, the side wall of signal receiving device 2 is equipped with the fiber optic hub 2 20 of multigroup model, wherein multigroup fiber optic hub one
11 and the model of multigroup fiber optic hub 2 20 mutually match, structure of the invention is ingenious in design, easy to operate, and people is facilitated to make
With, using between sender unit 1 and signal receiving device 2 by optical fiber 3 into horizontal electrical signal be converted into optical signal transmit, most
It is transmitted afterwards with electric signal, the transmission range of signal can be increased, and can ensure the intensity of signal, and then people is facilitated to make
With this device.
Sender unit 1 and signal receiving device 2 offer heat emission hole 5 on the side wall close to accumulator 4, wherein
Adhesion is fixed on the madial wall of heat emission hole 5 nanometer dirt filtrating screen 6, and the shape of heat emission hole 5 is rectangle, the wherein top of heat emission hole 5
Higher than the top of 4 shell of accumulator, using heat emission hole 5 and nanometer dirt filtrating screen 6, ensure that sender unit 1 and signal receive dress
Setting 2 can efficiently radiate, and can effectively prevent dust from entering in the inner cavity of this device, to ensure the use of this device
Service life.
Sender unit 1 includes antenna 10, GPS signal receiver A12, accumulator 4 and photovoltaic converter A13, signal
The housing top end of sending device 1 is fixedly connected with vertical antenna 10, and the housing top end fixation of sender unit 1 is inlaid with
GPS signal receiver A12, fixed placement has accumulator 4 and photovoltaic converter A13, wherein day in the inner cavity of sender unit 1
Line 10, GPS signal receiver A12 and photovoltaic converter A13 are electrically connected the accumulator 4 in 1 shell of sender unit, light
The model of electrotransformation device A13 and photovoltaic converter B22, size all same, photoelectric converter A13 connect photoelectricity by optical fiber 3 and turn
Parallel operation B22 facilitates using photovoltaic converter A and photovoltaic converter B and realizes mutually converting between electric signal and optical signal, side
Just without the accurate clock synchronization of GPS signal region instrument, photoelectric converter B22 can be defeated again after receiving the optical signal of photoelectric converter A13
Go out and the identical optical signal of input is to subsequent photoelectric converter B, the time synchronization being embodied as between more instruments.
Antenna 10 is electrically connected GPS signal receiver A12, GPS signal receiver A12 output TOD information and PPS signal letter
Number connection photoelectric converter A13, signal receiving device 2 include accumulator 4 and photovoltaic converter B22, signal receiving device 2 it is interior
Fixed placement has accumulator 4 and photovoltaic converter B22 in chamber, wherein in 2 shell of photovoltaic converter B22 connection signals reception device
Accumulator 4, photovoltaic converter B22 output TOD information connects equipment and instrument with PPS signal, and equipment and instrument includes multiple instrument
Device, the plurality of equal signal of instrument connect photoelectric converter A13, and photoelectric converter B22 outputs and the identical optical signal of input are extremely
Follow-up multiple photoelectric converter B22 realize the accurate clock synchronization of more instruments and time synchronization.
The transmission method of GPS signal long distance transmission device based on simple optical fiber, includes the following steps：
S1, electric signal receive：Antenna 10 on sender unit 1 receives electric wave signal, and electric wave signal passes to GPS signal
Receiver A12；
S2, electric signal transmission：GPS signal receiver A12 output TOD information and PPS signal signal pass to photovoltaic converter
A13；
S3, electric signal are converted into optical signal：The TOD information and PPS signal that receive are converted into light letter by photovoltaic converter A13
Number, then, photovoltaic converter A13 passes to the photovoltaic converter B22 on signal receiving device 2 by optical fiber 3 into traveling optical signal；
S4, optical signal are converted into electric signal：The optical signal received is converted into electric signal, electric signal electricity by photovoltaic converter B22
Property connection equipment and instrument in each instrument；
S5, cascaded transmission：Photoelectric converter B22 receive can export again after the optical signal of photoelectric converter A13 it is same with the input phase
Optical signal to subsequent multiple photoelectric converter B22, be embodied as more instruments and clock synchronization signals be provided.
The transmission for being carried out GPS signal in the present invention using optical fiber, is transmitted up to 80KM；In the instrument that need to use GPS signal
Place's setting photoelectric conversion device can provide clock synchronization signal for instrument, improve availability.By the TOD letters of GPS receiver output
Breath and PPS signal are converted to optical signal by photoelectric converter, are transmitted using optical fiber, and light is used after being transferred to desired zone
Electrical switching device is converted into TOD information needed for instrument and PPS signal is linked into instrument, while photoelectric conversion device replicates this
Optical signal output for Other Instruments use, to complete be operated in the more instruments without GPS signal region such as mine working when
Between correct.
GPS signal receiver receives GPS signal radiofrequency signal in the present invention, and output in electrical signal form is believed comprising the time
Number input signal as photoelectric converter A of TOD information and pulse per second (PPS) PPS signal, photoelectric converter A believes the TOD of input
Breath and PPS signal are converted to optical signal output, the use of optical fiber are that medium completes long distance transmission, photoelectric converter B receives photoelectricity
TOD information and PPS signal are parsed after the optical signal of converter A outputs, output in electrical signal form is supplied to required instrument
1, while the identical optical signal of output is replicated, follow-up photoelectric converter repeats this work, realizes the force transfer of signal, is more
Instrument provides GPS clock synchronization signals.
The operation principle of the present invention：When this device when in use, sender unit 1 and signal receiving device 2 are placed
On different positions, then output optical fibre 3 is connected between sender unit 1 and signal receiving device 2, wherein optical fiber 3
The corresponding fiber optic hub 1 of both ends grafting and fiber optic hub 2 20 on, then pass to GPS when antenna 10 receives signal
Signal receiver A12, then GPS signal receiver A12 exports TOD information and PPS signal passes to photovoltaic converter A13, so
TOD information and PPS signal are converted into optical signal and transmitted by optical fiber 3 by photovoltaic converter A13 afterwards, work as signal receiving device
Photovoltaic converter B22 on 2 receives optical signal, then optical signal is converted into TOD information and PPS signal is exported to needing clock synchronization instrument
Device, while photoelectric converter B22 can be exported and be inputted identical optical signal to subsequent photoelectric converter B again, be more instruments
Clock synchronization signal is provided, realizes the time synchronization between more instruments.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
With within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention god.
Claims (8)
1. the GPS signal long distance transmission device based on simple optical fiber, including sender unit（1）And signal receiving device
（2）, it is characterised in that：The sender unit（1）And signal receiving device（2）Pass through optical fiber（3）Connection, the signal hair
Send device（1）Including antenna（10）, GPS signal receiver A（12）, accumulator（4）With photovoltaic converter A（13）, the signal
Sending device（1）Housing top end be fixedly connected with vertical antenna（10）, the sender unit（1）Housing top end it is solid
Surely it is inlaid with GPS signal receiver A（12）, the sender unit（1）Inner cavity in fixed placement have accumulator（4）And light
Electrotransformation device A（13）, wherein antenna（10）, GPS signal receiver A（12）With photovoltaic converter A（13）It is electrically connected signal
Sending device（1）Accumulator in shell（4）, the antenna（10）It is electrically connected GPS signal receiver A（12）, the GPS letters
Number receiver A（12）Output TOD information connects photoelectric converter A with PPS signal signal（13）, the signal receiving device（2）
Including accumulator（4）With photovoltaic converter B（22）, the signal receiving device（2）Inner cavity in fixed placement have accumulator（4）
With photovoltaic converter B（22）, wherein photovoltaic converter B（22）Connection signal reception device（2）Accumulator in shell（4）, institute
State photovoltaic converter B（22）Output TOD information connects equipment and instrument with PPS signal.
2. the GPS signal long distance transmission device according to claim 1 based on simple optical fiber, which is characterized in that described
Sender unit（1）Side wall be equipped with multigroup model fiber optic hub one（11）, the signal receiving device（2）Side wall
It is equipped with the fiber optic hub two of multigroup model（20）, wherein multigroup fiber optic hub one（11）With multigroup fiber optic hub two（20）Type
It number mutually matches.
3. the GPS signal long distance transmission device according to claim 1 based on simple optical fiber, which is characterized in that described
Sender unit（1）And signal receiving device（2）Close to accumulator（4）Side wall on offer heat emission hole（5）, wherein
Heat emission hole（5）Madial wall on fix adhesion and have a nanometer dirt filtrating screen（6）.
4. the GPS signal long distance transmission device according to claim 3 based on simple optical fiber, which is characterized in that described
Heat emission hole（5）Shape be rectangle, wherein heat emission hole（5）Top be higher than accumulator（4）The top of shell.
5. the GPS signal long distance transmission device according to claim 2 based on simple optical fiber, which is characterized in that described
Optical fiber（3）Two rear line heads be plugged on fiber optic hub one respectively（11）With fiber optic hub two（20）Mounting hole in.
6. the GPS signal long distance transmission device according to claim 1 based on simple optical fiber, which is characterized in that described
Photovoltaic converter A（13）With photovoltaic converter B（22）Model, size all same, the photoelectric converter A（13）Pass through optical fiber
（3）Connect photoelectric converter B（22）.
7. the GPS signal long distance transmission device according to claim 1 based on simple optical fiber, which is characterized in that described
Equipment and instrument includes multiple instruments, the plurality of equal signal connection photoelectric converter A of instrument（13）.
8. according to the transmission side of GPS signal long distance transmission device of the claim 1-7 any one of them based on simple optical fiber
Method, which is characterized in that include the following steps：
S1, electric signal receive：Sender unit（1）On antenna（10）Electric wave signal is received, electric wave signal passes to GPS
Signal receiver A（12）；
S2, electric signal transmission：GPS signal receiver A（12）Output TOD information and PPS signal signal pass to photovoltaic converter A
（13）；
S3, electric signal are converted into optical signal：Photovoltaic converter A（13）The TOD information and PPS signal that receive are converted into light letter
Number, then, photovoltaic converter A（13）Pass through optical fiber（3）Signal receiving device is passed into traveling optical signal（2）On photoelectric conversion
Device B（22）；
S4, optical signal are converted into electric signal：Photovoltaic converter B（22）The optical signal received is converted into electric signal, electric signal
The each instrument being electrically connected in equipment and instrument；
S5, cascaded transmission：Photoelectric converter B（22）Receive photoelectric converter A（13）Optical signal after can export and input again
Identical optical signal is to subsequent multiple photoelectric converter B（22）, it is embodied as more instruments and clock synchronization signal is provided.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810370083.1A CN108347282A (en) | 2018-04-24 | 2018-04-24 | GPS signal long distance transmission device based on simple optical fiber and transmission method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810370083.1A CN108347282A (en) | 2018-04-24 | 2018-04-24 | GPS signal long distance transmission device based on simple optical fiber and transmission method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108347282A true CN108347282A (en) | 2018-07-31 |
Family
ID=62955370
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810370083.1A Pending CN108347282A (en) | 2018-04-24 | 2018-04-24 | GPS signal long distance transmission device based on simple optical fiber and transmission method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108347282A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102457372A (en) * | 2010-11-02 | 2012-05-16 | 中兴通讯股份有限公司 | Communication system and method for transmitting clock signals by using optical fiber |
| CN102457956A (en) * | 2010-11-02 | 2012-05-16 | 中兴通讯股份有限公司 | Acquisition method and system for reference clock signal |
-
2018
- 2018-04-24 CN CN201810370083.1A patent/CN108347282A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102457372A (en) * | 2010-11-02 | 2012-05-16 | 中兴通讯股份有限公司 | Communication system and method for transmitting clock signals by using optical fiber |
| CN102457956A (en) * | 2010-11-02 | 2012-05-16 | 中兴通讯股份有限公司 | Acquisition method and system for reference clock signal |
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