CN208638355U - Based on the light relay device of aircraft in free space optical communication - Google Patents
Based on the light relay device of aircraft in free space optical communication Download PDFInfo
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- CN208638355U CN208638355U CN201821082229.4U CN201821082229U CN208638355U CN 208638355 U CN208638355 U CN 208638355U CN 201821082229 U CN201821082229 U CN 201821082229U CN 208638355 U CN208638355 U CN 208638355U
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- Prior art keywords
- relay
- aircraft
- light
- communication terminal
- free space
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
Based on the light relay device of aircraft in free space optical communication disclosed by the utility model, by adding relay between wireless light communication terminal, and use fiber amplifier, beam signal is amplified, in favor of propagating, full optic relay can reduce system power dissipation to avoid signal light-electrical-optical conversion process, the complexity of reduction system reduces signal delay；And bi-directional relaying is realized in very small volume using optical fiber, EDFA and fiber optic circulator；Equipment volume is small, light-weight.Most rotor crafts can be equipped on, the wireless light communication relay forwarding scheme based on such aircraft, can simultaneously solution break off relations wireless light communication terminal in city or mountain area can not horizon communication when signal forwarding and power amplification the problem of.
Description
Technical field
The utility model belongs to Wireless Laser Communication Technology field, is related in a kind of free space optical communication based on aircraft
Light relay device.
Background technique
Wireless light communication (Wireless Optical Communication) refers to using laser beam as information carrier, in sky
Between in the communication technology that directly carries out data transmission.Radio telecommunicaltion system have capacity is big, rate is high, equipment volume is small,
It is easy the advantages such as to set up, permit without frequency spectrum, is safe and secret.As the process of communicating multimedia constantly promotes, wireless optical is logical
Letter in star is communicated, is communicated between star, emergency communication, and the communications field of military communication and laying optical fiber higher cost has wide
Application prospect.
Now, there are still the applications of two problem limitation wireless laser communications.First, limit of the communication distance by fading channel
System.Particle and aerosol in space channel can cause signal power to decay；Relying solely on increase transmission power inhibits channel to decline
Subtract, and be possible to damage personal safety, this greatly limits the distances of wireless laser communication.Second, wireless optical is logical
Letter terminal line-of-sight transmission requires to be difficult to meet in most cities and mountain area application environment.Mainly pass through wireless light communication at present
Relaying technique solves above-mentioned two problems.Traditional relaying is mostly the trunking plan based on " optical-electrical-optical ", but by multiple
Conversion, the complexity of system is higher, so that system power dissipation is higher, signal delay is big.
Utility model content
It is all-optical, dual to relay that the purpose of the utility model is to provide a kind of wireless light communications for realizing aircraft, solves
Conventional wireless laser communication existing in the prior art is based on the high problem of trunking plan system complexity of " optical-electrical-optical ".
The utility model the technical scheme adopted is that based on the light relay device of aircraft in free space optical communication,
Including wireless light communication terminal one, wireless light communication terminal one connects relay, the top of relay by downlink
It is connected with aircraft, relay is connected with wireless light communication terminal two by uplink；The specific knot of the relay
Structure is that one end of relay is provided with high-precision pitching, orientation two-dimensional rotary motor one, and high-precision pitching, orientation two dimension turn
The end of dynamic motor one is fixedly connected with reflecting mirror one, and the other end is provided with high-precision pitching, orientation two-dimensional rotary motor two, high
Precision pitching, orientation two-dimensional rotary motor two end be fixedly connected with reflecting mirror two, be provided with optical fiber in the middle part of relay
Amplifying return circuit is provided with long focus lens one, between reflecting mirror two and optical fiber loop two between reflecting mirror one and fiber optic circulator one
It is provided with long focus lens two.
The utility model is also characterized by:
Fiber amplifier circuit is specially fiber optic circulator one, fiber amplifier one, fiber amplifier two and fiber optic circulator
Two are connected in sequence, and two central point of reflecting mirror one and reflecting mirror is arranged in the fiber optic circulator one and fiber optic circulator two
On line.
Wireless light communication terminal two may be provided with multiple.
Wireless light communication terminal one may be provided with multiple.
Long focus lens one and long focus lens two are each perpendicular to ground setting.
The beneficial effects of the utility model are:
First, it is all-optical, dual to relaying.Full optic relay can reduce system function to avoid signal light-electrical-optical conversion process
Consumption reduces the complexity of system, reduces signal delay.And it is realized in very small volume using optical fiber, EDFA and fiber optic circulator
Bi-directional relaying；Second, equipment volume is small, light-weight.Most rotor crafts can be equipped on, the nothing based on such aircraft
Linear light communication relay forwards scheme, can simultaneously solution break off relations wireless light communication terminal in city or mountain area can not horizon communication when
The problem of signal forwarding and power amplification；Third, the utility model combination high-speed motor and reflecting mirror can fast implement all-optical, dual
To relaying.
Detailed description of the invention
Fig. 1 is the module diagram of the light relay device in the utility model free space optical communication based on aircraft；
Fig. 2 is the light relay device structure chart in the utility model free space optical communication based on aircraft.
In figure, 1. wireless light communication terminals one, 2. wireless light communication terminals two, 3. uplinks, 4. relays, 5. fly
Row device, 6. downlinks, 7. high-precision pitching, orientation two-dimensional rotary motor one, 8. reflecting mirrors one, 9. long focus lens one, 10. light
Fine circulator one, 11. fiber amplifiers one, 12. fiber amplifiers two, 13. fiber optic circulators two, 14. long focus lens two, 15.
High-precision pitching, orientation two-dimensional rotary motor two, 16. reflecting mirrors two.
Specific embodiment
The utility model is described in further detail with specific embodiment with reference to the accompanying drawing:
Based on the light relay device of aircraft in the utility model free space optical communication, as shown in Figure 1, including wireless optical
Communication terminal 1, wireless light communication terminal 1 connect relay 4 by downlink 6, and the top of relay 4 is connected with
Aircraft 5, relay 4 are connected with wireless light communication terminal 22 by uplink 3；The specific structure of the relay 4
For, as shown in Fig. 2, one end of relay 4 is provided with high-precision pitching, orientation two-dimensional rotary motor 1, high-precision pitching,
The end of orientation two-dimensional rotary motor 1 is fixedly connected with reflecting mirror 1, and the other end is provided with high-precision pitching, orientation two dimension
Rotary electric machine 2 15, high-precision pitching, orientation two-dimensional rotary motor 2 15 end be fixedly connected with reflecting mirror 2 16, relaying dress
The middle part for setting 4 is provided with fiber amplifier circuit, long focus lens 1 is provided between reflecting mirror 1 and fiber optic circulator 1, instead
It penetrates between mirror 2 16 and optical fiber loop 2 13 and is provided with long focus lens 2 14.
Fiber amplifier circuit is specially fiber optic circulator 1, fiber amplifier 1, fiber amplifier 2 12 and optical fiber
Circulator 2 13 is connected in sequence, and the fiber optic circulator 1 and the setting of fiber optic circulator 2 13 are in reflecting mirror 1 and instead
It penetrates on the line of 2 16 central point of mirror.
Wireless light communication terminal 22 may be provided with multiple.
Wireless light communication terminal 1 may be provided with multiple.
Long focus lens 1 and long focus lens 2 14 are each perpendicular to ground setting.
The working process of the utility model is as follows: the beam signal that wireless light communication terminal 1 issues passes through uplink 3
Be sent in relay 4, uplink light beam is incident on reflecting mirror 1 in relay 4, can by aircraft 5 come
The height of adjustment relay 4 is incident beam normal incidence in focal length by adjusting high Precision pitching rotating electric machine 1
In the aperture of lens 1；Light beam is incident on one 10 end face of fiber optic circulator, and coupled into optical fibres after long one 9 shaping of focus lens
The light beam of one port 10A of circulator, the incidence of the port A will be exported from the port B of fiber optic circulator 1；Pass through fiber optic circulator one
The port 10B carries out full light amplification by beam Propagation to the input port of fiber amplifier 1, to uplink light beam, is then transmit to
The output port of fiber amplifier 1；The optical fiber of one 11 output port of fiber amplifier is transmitted to fiber optic circulator 2 13
The port C ', then amplified signal beams can be exported by the port A ' of fiber optic circulator 2 13；Fiber optic circulator 2 13
The port A ' output beam is collimated by long focus lens 2 14 and is exported, and is incident on reflecting mirror 2 16；By adjusting high-precision side
Position pitching rotating electric machine 2 15, is incident on light beam on communication terminal 22.
As shown in Figure 1, when wireless light communication terminal 1 and shown in wireless light communication terminal 22, between exist block barrier
Hinder object, the line-of-sight requirement being unable to satisfy between terminal one and two.Relay 4 can be passed through to the rotatable platform carry of lower accuracy
In the bottom of aircraft 5.The relaying amplification and forwarding of signal then can be achieved.
The all-optical, dual to relaying of wireless light communication is fast implemented using aircraft.It is logical that wireless optical in city is broken off relations for solution
Believe terminal can not horizon communication when signal forwarding and signal power it is too low when power relay amplify the problem of.
Fiber amplifier used by the utility model is erbium-doped fiber amplifier, abbreviation EDFA.
The beneficial effects of the utility model are:
First, it is all-optical, dual to relaying.Full optic relay can reduce system function to avoid signal light-electrical-optical conversion process
Consumption reduces the complexity of system, reduces signal delay.And it is realized in very small volume using optical fiber, EDFA and fiber optic circulator
Bi-directional relaying；Second, equipment volume is small, light-weight.Most rotor crafts can be equipped on, the nothing based on such aircraft
Linear light communication relay forwards scheme, can simultaneously solution break off relations wireless light communication terminal in city or mountain area can not horizon communication when
The problem of signal forwarding and power amplification；Third, the utility model combination high-speed motor and reflecting mirror can fast implement all-optical, dual
To relaying.
Claims (5)
1. based on the light relay device of aircraft in free space optical communication, which is characterized in that including wireless light communication terminal one
(1), by downlink (6) connection relay (4), the top of relay (4) is connected with wireless light communication terminal one (1)
Aircraft (5), relay (4) are connected with wireless light communication terminal two (2) by uplink (3)；The relay (4)
Specific structure be that one end of relay (4) is provided with high-precision pitching, orientation two-dimensional rotary motor one (7), bow in high precision
Face upward, the end of orientation two-dimensional rotary motor one (7) is fixedly connected with reflecting mirror one (8), the other end is provided with high-precision pitching, side
Position two-dimensional rotary motor two (15), high-precision pitching, orientation two-dimensional rotary motor two (15) end be fixedly connected with reflecting mirror
Two (16) are provided with fiber amplifier circuit in the middle part of relay (4), between reflecting mirror one (8) and fiber optic circulator one (10)
Long focus lens one (9) are provided with, long focus lens two (14) are provided between reflecting mirror two (16) and fiber optic circulator two (13).
2. based on the light relay device of aircraft in free space optical communication according to claim 1, which is characterized in that institute
Stating fiber amplifier circuit is specially fiber optic circulator one (10), fiber amplifier one (11), fiber amplifier two (12) and optical fiber
Circulator two (13) is connected in sequence, and the fiber optic circulator one (10) and fiber optic circulator two (13) are arranged in reflecting mirror one
(8) and on the line of reflecting mirror two (16) central point.
3. based on the light relay device of aircraft in free space optical communication according to claim 1, which is characterized in that institute
State wireless light communication terminal two (2) may be provided with it is multiple.
4. based on the light relay device of aircraft in free space optical communication according to claim 1, which is characterized in that institute
State wireless light communication terminal one (1) may be provided with it is multiple.
5. based on the light relay device of aircraft in free space optical communication according to claim 1, which is characterized in that institute
It states long focus lens one (9) and long focus lens two (14) is each perpendicular to ground setting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821082229.4U CN208638355U (en) | 2018-07-09 | 2018-07-09 | Based on the light relay device of aircraft in free space optical communication |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821082229.4U CN208638355U (en) | 2018-07-09 | 2018-07-09 | Based on the light relay device of aircraft in free space optical communication |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208638355U true CN208638355U (en) | 2019-03-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821082229.4U Expired - Fee Related CN208638355U (en) | 2018-07-09 | 2018-07-09 | Based on the light relay device of aircraft in free space optical communication |
Country Status (1)
| Country | Link |
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| CN (1) | CN208638355U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109104241A (en) * | 2018-07-09 | 2018-12-28 | 西安理工大学 | In a kind of laser communication can aircraft carry it is all-optical, dual to relay and method |
| CN111565070A (en) * | 2019-05-29 | 2020-08-21 | 南京大学 | Free space optical signal transmission method and free space optical signal transmission device |
-
2018
- 2018-07-09 CN CN201821082229.4U patent/CN208638355U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109104241A (en) * | 2018-07-09 | 2018-12-28 | 西安理工大学 | In a kind of laser communication can aircraft carry it is all-optical, dual to relay and method |
| CN109104241B (en) * | 2018-07-09 | 2021-07-20 | 西安理工大学 | All-optical bidirectional relay device and method capable of being mounted on aircraft in laser communication |
| CN111565070A (en) * | 2019-05-29 | 2020-08-21 | 南京大学 | Free space optical signal transmission method and free space optical signal transmission device |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190322 Termination date: 20200709 |