CN114614893B - Receiving and transmitting device for optical communication with self-adaptive tracking focusing function - Google Patents
Receiving and transmitting device for optical communication with self-adaptive tracking focusing function Download PDFInfo
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- CN114614893B CN114614893B CN202210252533.3A CN202210252533A CN114614893B CN 114614893 B CN114614893 B CN 114614893B CN 202210252533 A CN202210252533 A CN 202210252533A CN 114614893 B CN114614893 B CN 114614893B
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- 230000006854 communication Effects 0.000 title claims abstract description 45
- 238000004891 communication Methods 0.000 title claims abstract description 44
- 230000003287 optical effect Effects 0.000 title claims abstract description 32
- 238000001514 detection method Methods 0.000 claims abstract description 25
- 230000010365 information processing Effects 0.000 claims abstract description 12
- 230000033001 locomotion Effects 0.000 claims description 11
- 238000005192 partition Methods 0.000 claims description 6
- 230000003044 adaptive effect Effects 0.000 claims description 4
- 230000001276 controlling effect Effects 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims description 2
- 230000035945 sensitivity Effects 0.000 abstract description 3
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- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
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Classifications
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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
- H04B10/40—Transceivers
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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
The invention belongs to the technical field of wireless optical communication, and provides a transceiver for optical communication with a self-adaptive tracking focusing function, which comprises the following components: the device comprises a direction control holder, a light beam adjustment module, a photon sensor, a light source beacon detection module, an omnidirectional beacon light source, a control and information processing module. The receiving and transmitting device provided by the invention detects the direction of the target node by utilizing the optical beacon, the omnidirectional beacon light source and the light source beacon detection module, tracks the direction of the target node by utilizing the direction control cradle head, ensures the signal quality by utilizing the light beam adjusting module to adjust the light beam range, prevents signal interruption, improves the signal quality when the external condition allows, is suitable for various scenes and various environments, receives signals by utilizing the photon sensor, and has high sensitivity.
Description
Technical Field
The invention belongs to the technical field of wireless optical communication, and particularly relates to a transceiver device for optical communication with a self-adaptive tracking focusing function.
Background
The wireless optical communication has the communication characteristics of no occupation of frequency bands, large communication capacity, high transmission rate and the like, and has the use characteristics of flexibility, economy, quick erection, convenience in use and the like. With the increasing expansion of information in modern society, the transmission capacity of the information is greatly increased, so that the current wireless microwave communication often has the phenomena of crowding frequency bands and lack of resources. In this context, the use of high code rate, high capacity wireless optical communications will be a major trend in future spatial communications.
Although wireless optical communication has been applied in part, almost all technical methods only stay in the wireless optical communication with the two communication ports aligned. In a practical application scenario, when two devices need to communicate with each other, their relative positions tend to be random, and the communication ports are not always in an already aligned state. The two communication ports are not further capable of wireless optical communication if alignment is not accomplished.
Therefore, in view of the lack of a method for enabling two devices with random relative positions to perform wireless optical communication in the current wireless optical communication field, the invention provides a transceiver device for optical communication with a self-adaptive tracking focusing function. The invention can automatically detect the direction of the target node by utilizing an optical method, track the direction of the target node by utilizing the direction control cradle head, ensure the signal quality by adjusting the light beam range, prevent signal interruption, improve the signal quality when the external condition allows, is applicable to various scenes and various environments, receives signals by utilizing the photon sensor, and has high sensitivity.
Disclosure of Invention
The invention provides a transceiver for optical communication with a self-adaptive tracking focusing function, which aims to solve the problem that two devices with random relative positions can successfully complete wireless optical communication. The invention can automatically detect the direction of the target node by utilizing an optical method, track the direction of the target node by utilizing the direction control cradle head, ensure the signal quality by adjusting the light beam range, prevent signal interruption, improve the signal quality when the external condition allows, is applicable to various scenes and various environments, receives signals by utilizing the photon sensor, and has high sensitivity.
The technical scheme of the invention is as follows:
the receiving and transmitting device for optical communication with the self-adaptive tracking focusing function comprises a direction control holder, a light beam adjusting module, a photon sensor, a light source beacon detection module, an omnidirectional beacon light source and a control and information processing module; wherein:
the main structure of the transceiver is a spherical hollow shell, and a layered partition board is arranged in the shell and is used for installing a light beam adjusting module and a photon sensor; an interface is further arranged on the main structure shell and used for installing the light source beacon detection module and the connection direction control cradle head; the main body structure can perform pitching and yawing motions under the drive of the direction control cradle head;
the direction control cradle head comprises a first motor 15, a first rotating shaft 13, a second motor 14 and a second rotating shaft 12; the first rotating shaft 13 is arranged at the bottom of the vertical central axis of the main body structure and driven by the first motor 15 to finish the yaw movement of the device; the second rotating shafts 12 are arranged on two sides of the horizontal axis of the main body structure and driven by the second motor 14 to complete the pitching motion of the main body structure;
the light beam adjusting module comprises a light focusing bowl 7, an electric screw rod 9, a sliding table 8, a third motor 10, an LD lamp source 5 and a first lens 6; the electric screw rod 9 is connected with the third motor 10 through a coupler and is driven by the third motor 10 to rotate; the sliding table 8 is arranged on the electric screw rod 9 and completes the back-and-forth movement under the drive of the electric screw rod 9; the LD lamp source 5 is arranged in the light gathering bowl 7, the light gathering bowl 7 is arranged on the sliding table 8, and the range of the light beam emitted by the LD lamp source 5 is regulated through the forward and backward movement of the sliding table 8; the first lens 6 is arranged on the front surface of the shell of the main body structure and is used for protecting the light beam adjusting module and providing a channel for light beams to propagate from the main body structure to the external environment; the light beam adjusting module is arranged on a lower layer of partition board in the main body structure;
a photon sensor comprising a photodetector 4 and a second lens 3; wherein the second lens 3 is installed on the front surface of the housing of the main body structure for protecting the photon sensor and providing a channel for the external light beam to propagate into the main body structure; the photon sensor is arranged on an upper layer of partition board in the main body structure;
the light source beacon detection module comprises two high-definition panoramic camera shooting units 2; the alignment directions of the two high-definition panoramic camera shooting units 2 are respectively the front side and the back side of the transceiver, and are used for shooting external environment images of the front side and the back side of the transceiver;
the omnidirectional beacon light source comprises an omnidirectional LED light source 1; the omnidirectional LED lamp source 1 is arranged at the top of the central axis of the light source beacon detection module and is used for capturing a beacon light source serving as a transceiver by the light source beacon detection module of the target node;
a control and information processing module including a control board 11; the control board 11 is installed inside the base of the direction control holder, and is used for receiving feedback information from the beam adjustment module, the photon sensor and the light source beacon detection module, controlling the omnidirectional beacon light source and the direction control holder to work, and completing self-adaptive tracking focusing.
The light beam adjusting module, the photon sensor, the light source beacon detecting module, the omnidirectional beacon light source and the control and information processing module are arranged from the top to the bottom of the transceiver in sequence.
The first rotation shaft 13 and the second rotation shaft 15 are installed at an angle orthogonal to each other.
The invention has the following advantages:
1. the invention can solve the alignment problem in the communication process of establishing communication between two communication parties in the existing wireless optical communication system, can automatically align and establish communication without providing the initial positions of the two communication parties, and meets the application conditions of wireless optical communication.
2. The present invention can combine the existing wireless optical communication system, use the alignment function of the present invention, and provide good support for establishing wireless optical communication.
3. The invention has certain performance of calculation processing capacity, can finish the calculation and processing required in the working process of the invention, does not need to additionally add a control system, and has good portability.
For the reasons, the invention can be widely popularized in the technical field of wireless optical communication and the like.
Drawings
Fig. 1 is a front view of the present invention.
Fig. 2 is a side view of the present invention.
Fig. 3 is a schematic diagram of signal transmission according to the present invention.
In the figure: 1 omnidirectional LED lamp source, 2 high definition panoramic camera shooting units, 3 second lenses, 4 light detector amplifier units, 5LD light sources, 6 first lenses, 7 condensing bowls, 8 slipways, 9 electric screw rods, 10 third motors, 11 control boards, 12 second rotating shafts, 13 first rotating shafts, 14 first motors and 15 second motors.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
As shown in fig. 1 and 2, the present invention provides a transceiver for optical communication with adaptive tracking focusing function, which includes: the device comprises a direction control holder, a light beam adjustment module, a photon sensor, a light source beacon detection module, an omnidirectional beacon light source, a control and information processing module; wherein:
the direction control cradle head comprises a first motor 14, a first rotating shaft 13, a second motor 15 and a second rotating shaft 12, and is used for completing pitching and yawing movements of the main structure and keeping the alignment of the photon sensor and the target node beam adjustment module;
the light beam adjusting module comprises a light focusing bowl 7, an electric screw rod 9, a sliding table 8, a third motor 10, an LD lamp source 5 and a first lens 6, and is used for adjusting a light beam range according to the actual condition of an external environment to ensure the signal quality and prevent signal interruption;
a photon sensor, comprising a photodetector 4 and a second lens 3, for receiving the communication optical signal emitted by the target node beam adjustment module;
the light source beacon detection module comprises two high-definition panoramic camera shooting units 2 which are used for searching and finding the position of a target node, and the auxiliary photon sensor is aligned with the beam adjustment module of the target node;
the omnidirectional beacon light source comprises an omnidirectional LED light source 1, and is used as a beacon light source of the device to be captured by a light source beacon detection module of the target node;
the control and information processing module comprises a control board 11 and is used for receiving feedback information from the light beam adjusting module, the photon sensor and the light source beacon detection module, controlling the omnidirectional beacon light source and the direction control holder to work, and completing self-adaptive tracking focusing.
In particular, as a preferred embodiment of the present invention, the first rotation shaft 13 and the second rotation shaft 12 are mounted at angles orthogonal to each other.
The signal transmission schematic diagram of the optical communication transceiver with adaptive tracking focusing function of the present invention is shown in fig. 3, and the implementation of the present invention should include the following steps:
first, self-adaptive tracking focusing preparation stage: when two devices at any positions need to perform wireless optical communication, the two devices start an omnidirectional beacon light source and a light source beacon detection module which are arranged on a transceiver device of the two devices, and the light source beacon detection module is utilized to mutually search the position of the opposite beacon light source so as to complete the preparation work of self-adaptive tracking focusing.
Second, self-adaptive tracking focusing stage: when the light source beacon detection modules of the two devices successfully detect the beacon light sources, the light source beacon detection modules return the position information of the beacon light sources to the control and information processing module; at the moment, the control and information processing module drives the direction control cradle head according to the light source position information returned by the light source beacon detection module, so that the right centers of the high-definition panoramic camera shooting units on the front sides of the light source beacon detection module are aligned with the mutually omnidirectional beacon light sources, and self-adaptive tracking focusing is completed.
Thirdly, self-adaptive communication quality adjustment phase: the two pieces of equipment start the light beam adjusting modules on the respective receiving and transmitting devices and send out communication light beams, and at the same time start the photon sensor and receive the light signals sent out by the opposite side light beam adjusting modules; and then, the control and information processing module can timely adjust the communication light range sent by the light beam adjusting module on the device according to the light information returned by the photon sensor so as to ensure that the photon sensor on the opposite device can successfully receive and decode the light signal and improve the communication quality.
It should be noted that: in fig. 3, thin arrows represent internal signals of the transceiver, and thick arrows represent external signals that the transceiver sends out and receives from the outside.
It should be noted that: for convenience of description, a transceiver for optical communication with adaptive tracking focusing function in the above embodiments is collectively referred to as a transceiver.
Finally, it should be noted that: the above examples merely illustrate preferred embodiments of the present invention and are not to be construed as limiting the scope of the invention, it being understood that modifications and variations may be made by those skilled in the art without departing from the principles of the invention.
Claims (3)
1. The receiving and transmitting device for the optical communication with the self-adaptive tracking focusing function is characterized by comprising a direction control cradle head, a light beam adjusting module, a photon sensor, a light source beacon detection module, an omnidirectional beacon light source and a control and information processing module; wherein:
the main structure of the transceiver is a spherical hollow shell, and a layered partition board is arranged in the shell and is used for installing a light beam adjusting module and a photon sensor; an interface is further arranged on the main structure shell and used for installing the light source beacon detection module and the connection direction control cradle head; the main body structure can perform pitching and yawing motions under the drive of the direction control cradle head;
the direction control cradle head comprises a first motor (15), a first rotating shaft (13), a second motor (14) and a second rotating shaft (12); the first rotating shaft (13) is arranged at the bottom of the vertical central axis of the main body structure and driven by the first motor (15) to finish the yaw movement of the device; the second rotating shafts (12) are arranged on two sides of the horizontal axis of the main body structure and driven by the second motor (14) to complete pitching motion of the main body structure;
the light beam adjusting module comprises a light focusing bowl (7), an electric screw rod (9), a sliding table (8), a third motor (10), an LD lamp source (5) and a first lens (6); the electric screw rod (9) is connected with the third motor (10) through a coupler, and is driven by the third motor (10) to rotate; the sliding table (8) is arranged on the electric screw rod (9) and completes the back-and-forth movement under the drive of the electric screw rod (9); the LD lamp source (5) is arranged in the light gathering bowl (7), the light gathering bowl (7) is arranged on the sliding table (8), and the range of the light beam emitted by the LD lamp source (5) is regulated through the forward and backward movement of the sliding table (8); the first lens (6) is arranged on the front surface of the shell of the main body structure and is used for protecting the light beam adjusting module and providing a channel for light beams to propagate from the main body structure to the external environment; the light beam adjusting module is arranged on a lower layer of partition board in the main body structure;
a photon sensor comprising a photodetector (4) and a second lens (3); wherein the second lens (3) is arranged on the front surface of the shell of the main body structure and is used for protecting the photon sensor and providing a channel for an external light beam to propagate into the main body structure; the photon sensor is arranged on an upper layer of partition board in the main body structure;
the light source beacon detection module comprises two high-definition panoramic camera shooting units (2); the alignment directions of the two high-definition panoramic camera shooting units (2) are respectively right in front of and right behind the transceiver, and are used for shooting external environment images right in front of and right behind the transceiver;
the omnidirectional beacon light source comprises an omnidirectional LED light source (1); the omnidirectional LED lamp source (1) is arranged at the top of the central axis of the light source beacon detection module and is used for capturing a beacon light source serving as a transceiver by the light source beacon detection module of the target node;
the control and information processing module comprises a control board (11); the control board (11) is arranged in the base of the direction control holder and is used for receiving feedback information from the light beam adjusting module, the photon sensor and the light source beacon detection module and controlling the omnidirectional beacon light source and the direction control holder to work so as to complete self-adaptive tracking focusing.
2. The transceiver of claim 1, wherein the beam adjustment module, the photon sensor, the light source beacon detection module, the omni-directional beacon light source, the control and information processing module are arranged from top to bottom of the transceiver in sequence.
3. An optical communication transceiver device with adaptive tracking focusing function according to claim 1, wherein the first rotation axis (13) and the second rotation axis (12) are installed at mutually orthogonal angles.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210252533.3A CN114614893B (en) | 2022-03-15 | 2022-03-15 | Receiving and transmitting device for optical communication with self-adaptive tracking focusing function |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210252533.3A CN114614893B (en) | 2022-03-15 | 2022-03-15 | Receiving and transmitting device for optical communication with self-adaptive tracking focusing function |
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| CN114614893B true CN114614893B (en) | 2023-12-22 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7920794B1 (en) * | 2007-01-05 | 2011-04-05 | Lockheed Martin Corporation | Free space optical communication |
| CN110830116A (en) * | 2019-11-26 | 2020-02-21 | 中国电子科技集团公司第五十四研究所 | Wireless optical communication receiving/transmitting terminal and relay and time division receiving/transmitting method |
| CN112994790A (en) * | 2021-02-08 | 2021-06-18 | 中国科学院空间应用工程与技术中心 | Omnidirectional laser communication system and method |
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2022
- 2022-03-15 CN CN202210252533.3A patent/CN114614893B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7920794B1 (en) * | 2007-01-05 | 2011-04-05 | Lockheed Martin Corporation | Free space optical communication |
| CN110830116A (en) * | 2019-11-26 | 2020-02-21 | 中国电子科技集团公司第五十四研究所 | Wireless optical communication receiving/transmitting terminal and relay and time division receiving/transmitting method |
| CN112994790A (en) * | 2021-02-08 | 2021-06-18 | 中国科学院空间应用工程与技术中心 | Omnidirectional laser communication system and method |
Non-Patent Citations (2)
| Title |
|---|
| Fiber-Optic Communication Technology;DJAFAR K M et al.;New York，USA：Prentice－Hall Inc;全文 * |
| 一种无人机机载激光通信设备的研制;徐林;申永;安建欣;李宽;罗龙;;光通信技术(第10期);全文 * |
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