CN114422026A - Self-stabilization device and method for space optical communication channel - Google Patents
Self-stabilization device and method for space optical communication channel Download PDFInfo
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- CN114422026A CN114422026A CN202111496947.2A CN202111496947A CN114422026A CN 114422026 A CN114422026 A CN 114422026A CN 202111496947 A CN202111496947 A CN 202111496947A CN 114422026 A CN114422026 A CN 114422026A
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- 238000004891 communication Methods 0.000 title claims abstract description 28
- 230000003287 optical effect Effects 0.000 title claims abstract description 23
- 238000011105 stabilization Methods 0.000 title claims abstract description 11
- 238000000034 method Methods 0.000 title claims abstract description 9
- 230000002238 attenuated effect Effects 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract 1
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000011217 control strategy Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 230000003019 stabilising effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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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
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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
- H04B10/07—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems
- H04B10/075—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal
- H04B10/079—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal using measurements of the data signal
- H04B10/0795—Performance monitoring; Measurement of transmission parameters
-
- 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
Abstract
The invention discloses a space optical communication channel self-stabilizing device based on an aperture, which comprises a fixed base and a rotating shaft arranged at a central hole of the base, wherein an aperture wheel disc is arranged on the rotating shaft, a plurality of attenuation sheet mounting holes are uniformly formed in the aperture wheel disc, attenuation sheets with different attenuation capacities are arranged in the attenuation sheet mounting holes, the attenuation sheets are distributed on a circumference concentric with the rotating shaft, a channel hole opposite to one attenuation sheet mounting hole is formed in the base, a detector is arranged behind the channel hole, a motor is arranged behind the base, the motor is connected with the rotating shaft through a reduction gear box, and a motor controller is arranged on the motor; also disclosed are methods for their self-stabilization; the invention adopts the information source aperture wheel disc in a multi-gear form, realizes a larger dynamic range of received energy, utilizes a closed-loop control algorithm, adjusts the aperture in real time to achieve the effect of channel self-stabilization, effectively improves the intelligent degree of channel management in laser communication, reduces human intervention, improves communication quality and has good use value.
Description
Technical Field
The invention belongs to the technical field of optical communication, and particularly relates to a self-stabilizing device and a self-stabilizing method for a space optical communication channel, which are suitable for a space optical communication terminal.
Background
In the existing space optical communication system, especially for a laser communication terminal applied to a high-speed mobile platform, due to the continuous change of a communication distance and the influence of turbulence, signal energy received by the terminal may change all the time, so that the received energy is insufficient or saturated, resulting in unstable or interrupted communication.
How to improve the dynamic range of the energy of the receiving end and improve the stability of the space optical communication in motion is a technical difficulty in the current space optical communication.
Disclosure of Invention
The present invention has been made to solve the above-mentioned problems occurring in the prior art, and an object of the present invention is to provide an aperture-based spatial optical communication channel self-stabilization apparatus.
In order to solve the above problems in the prior art, the present invention provides an aperture-based spatial optical communication channel self-stabilization apparatus.
The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a space optical communication channel is from stabilising arrangement, includes fixed frame and the pivot of setting in frame center trompil department, the pivot on install the light ring rim plate, the light ring rim plate on evenly be provided with a plurality of decay piece mounting holes, install the decay piece that possesses different attenuation ability in the decay piece mounting hole, the decay piece distribute on a circumference with the pivot is endocentric, the frame on set up the channel hole to a decay piece mounting hole, channel hole rear be provided with the detector, the frame rear be provided with the motor, the motor passes through reduction gear and is connected with the pivot, the motor on be provided with machine controller.
The self-stabilizing device for the space optical communication channel has seven attenuation sheets.
The space optical communication channel self-stabilizing device is characterized in that a cover is arranged outside a detector of the space optical communication channel self-stabilizing device.
Another object of the present invention is to provide a method for self-stabilizing a spatial optical communication channel of the self-stabilizing apparatus, comprising the steps of:
the incident signal light irradiates the aperture wheel disc, and the plurality of attenuation sheets sequentially complete the attenuation of the received light;
the attenuated signal light enters a detector at the rear end through a 270-degree channel hole, and the detector obtains seven kinds of signal light with different energy intensities which penetrate through different attenuation sheets;
the detector monitors the light energy intensity of the incident signal in real time, completes the light-electricity conversion, converts the light signal into a digital signal and feeds the digital signal back to the motor controller;
and the motor controller judges whether the current is within a reasonable threshold value according to the feedback data: if the light energy of the received signal is too strong, the rotating shaft is driven to drive the attenuation sheet with larger attenuation degree on the aperture wheel disc to rotate to the front of the channel hole; if the light energy of the received signal is too weak, the rotating shaft is driven to drive the attenuation sheet with smaller attenuation degree on the aperture wheel disc to rotate to the front of the channel hole.
The invention has the beneficial effects that:
the self-stabilizing device is characterized in that a plurality of attenuation pieces with different attenuation capacities are arranged on a rotatable aperture wheel disc, a detector counts signal light attenuated by the received attenuation pieces and feeds back energy to a controller, and then the aperture wheel disc is driven to rotate to a reasonable attenuation piece gear through a motor controller. The design of adopting many grades of decay pieces has improved the dynamic range of received signal light, adopts the received energy feedback real-time control diaphragm rim plate of detector, stabilizes the energy of received signal light.
The control strategy of the self-stabilization method of the invention completes the closed-loop control of the self-adaptive adjustment, improves the receiving dynamic range, realizes the self-adaptive adjustment of the channel and leads the link to be more stable and reliable.
Drawings
FIG. 1 is a schematic structural view of the front face of the present invention;
FIG. 2 is a schematic view of the back side of the present invention.
The figures are numbered: the device comprises a base 1, a rotating shaft 2, an aperture wheel 3, a channel hole 4, an attenuation sheet 5, a motor 6, a motor controller 7, a reduction gear box 8, a detector 9 and a cover 10.
Detailed Description
The following description of the embodiments of the present invention is provided in order to better understand the present invention for those skilled in the art with reference to the accompanying drawings.
It is to be expressly noted that in the following description, a detailed description of known functions and designs will be omitted when it may obscure the subject matter of the present invention.
Referring to fig. 1 and 2, the self-stabilization device for spatial optical communication channels disclosed by the invention comprises a fixed base 1 and a rotating shaft 2 arranged at a central opening of the base 1, wherein an aperture wheel disc 3 is arranged on the rotating shaft 2, seven attenuation sheet mounting holes are uniformly arranged on the aperture wheel disc 3, attenuation sheets 5 with different attenuation capacities are arranged in the attenuation sheet mounting holes, the attenuation sheets 5 are distributed on a circumference concentric with the rotating shaft 2, a channel hole 4 opposite to one attenuation sheet mounting hole is arranged on the base 1, a detector 9 is arranged behind the channel hole 4, incident signal light can only enter a rear-end detector 9 through a 270-degree hole position of the aperture wheel disc 3, a cover 10 is arranged outside the detector 9, a motor 6 is arranged behind the base 1, and the motor 6 is connected with the rotating shaft 2 through a reduction gear box 8, the motor 6 is provided with a motor controller 7.
The invention discloses a self-stabilization method of a space optical communication channel, which comprises the following steps:
the incident signal light irradiates the aperture wheel 3, and seven attenuation sheets 5 sequentially complete the attenuation of the received light.
The attenuated signal light enters a detector 9 at the rear end through the 270-degree channel hole 4, and the detector 9 obtains seven signal lights with different energy intensities which penetrate through different attenuation sheets 5.
The detector 9 monitors the light energy intensity of the incident signal in real time to complete the light-electricity conversion, converts the light signal into a digital signal and feeds the digital signal back to the motor controller 7.
The motor controller 7 judges whether the current is within a reasonable threshold value according to the feedback data: if the light energy of the received signal is too strong, the driving rotating shaft 2 drives the attenuation sheet 5 with larger attenuation degree on the aperture wheel disc 3 to rotate to the front of the channel hole 4; if the light energy of the received signal is too weak, the driving rotating shaft 2 drives the attenuation sheet 5 with smaller attenuation degree on the aperture wheel 3 to rotate to the front of the channel hole 4.
The self-stabilizing device of the invention improves the dynamic range of received signal light by installing a plurality of attenuation sheets with different attenuation capacities on the rotatable aperture wheel disc 3, counting and receiving the signal light attenuated by the attenuation sheets by the detector 9 and feeding back the energy to the controller 7, then driving the aperture wheel disc 3 to rotate to a reasonable 5-gear of the attenuation sheets by the motor controller 7, adopting the design of multi-gear attenuation and 5, and controlling the aperture wheel disc 3 in real time by adopting the received energy feedback of the detector 9 to stabilize the energy of the received signal light.
The control strategy of the self-stabilization method of the invention completes the closed-loop control of the self-adaptive adjustment, improves the receiving dynamic range, realizes the self-adaptive adjustment of the channel and leads the link to be more stable and reliable.
The technology is verified in an actual environment, and plays a key role in judging and adjusting the channel state in the field of space optical communication of a mobile platform.
The above description is only an embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the scope of the present invention should be covered by the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (4)
1. An apparatus for self-stabilizing a spatial optical communication channel, comprising: including frame (1) and pivot (2) of setting in frame (1) central trompil department, pivot (2) on install light ring rim plate (3), light ring rim plate (3) on evenly be provided with a plurality of decay piece mounting holes, install decay piece (5) that possess different attenuation ability in the decay piece mounting hole, decay piece (5) distribute on with pivot (2) concentric a circumference, frame (1) on seted up channel hole (4), channel hole (4) rear be provided with detector (9), frame (1) rear be provided with motor (6), motor (6) are connected with pivot (2) through reduction gear box (8), motor (6) on be provided with motor controller (7).
2. The self-stabilization device for the spatial optical communication channel according to claim 1, wherein the number of the attenuation sheets (5) is seven.
3. A spatial optical communication channel self-stabilizing arrangement according to claim 2, characterized in that a cover (10) is provided outside the detector (9).
4. A method for self-stabilizing a spatial optical communication channel, based on the self-stabilizing apparatus of claim 2, characterized by the steps of:
the incident signal light irradiates the aperture wheel disc (3), and the plurality of attenuation sheets (5) sequentially complete the attenuation of the received light;
the attenuated signal light enters a detector (9) at the rear end through a channel hole (4), and the detector (9) obtains seven signal lights with different energy intensities;
the detector (9) monitors the light energy intensity of the incident signal in real time, converts the light signal into a digital signal and feeds the digital signal back to the motor controller (7);
the motor controller (7) judges whether the current is within a reasonable threshold value: if the signal light energy is too strong, the driving rotating shaft (2) drives an attenuation sheet (5) with larger attenuation degree on the aperture wheel disc (3) to the front of the channel hole (4); if the signal light energy is too weak, the driving rotating shaft (2) drives the attenuation sheet (5) with smaller attenuation degree on the aperture wheel disc (3) to the front of the channel hole (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111496947.2A CN114422026A (en) | 2021-12-09 | 2021-12-09 | Self-stabilization device and method for space optical communication channel |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111496947.2A CN114422026A (en) | 2021-12-09 | 2021-12-09 | Self-stabilization device and method for space optical communication channel |
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| CN114422026A true CN114422026A (en) | 2022-04-29 |
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| CN202111496947.2A Pending CN114422026A (en) | 2021-12-09 | 2021-12-09 | Self-stabilization device and method for space optical communication channel |
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Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102437877A (en) * | 2011-12-15 | 2012-05-02 | 深圳市新岸通讯技术有限公司 | Free-space optical (FSO) signal receiving device |
| CN202737871U (en) * | 2012-07-05 | 2013-02-13 | 深圳市新岸通讯技术有限公司 | Space attenuation adjusting device of wireless optical communication equipment |
| CN202929292U (en) * | 2012-10-16 | 2013-05-08 | 深圳市新岸通讯技术有限公司 | Variable optical attenuator for free space optical communication |
| CN203786388U (en) * | 2014-04-16 | 2014-08-20 | 成都福兰特电子技术有限公司 | Free space optical communication adjustable optical attenuation device |
| CN104076443A (en) * | 2014-07-09 | 2014-10-01 | 成都美美通信技术有限公司 | Optical attenuation device with multiple gears |
| CN106287335A (en) * | 2016-08-16 | 2017-01-04 | 凌云光技术集团有限责任公司 | A kind of light supply apparatus for image sensor performance test |
| CN206741085U (en) * | 2017-03-31 | 2017-12-12 | 西安工业大学 | Laser energy attenuating device for dual wavelength |
| CN210136334U (en) * | 2019-07-02 | 2020-03-10 | 桂林光隆集成科技有限公司 | Micro-electromechanical adjustable attenuator |
| CN111272390A (en) * | 2020-03-31 | 2020-06-12 | 北方夜视技术股份有限公司 | Method and device for testing dynamic range of photomultiplier |
| CN111413793A (en) * | 2020-04-24 | 2020-07-14 | 深圳市众望达光电有限公司 | Multi-mode attenuator |
| CN211698419U (en) * | 2020-04-24 | 2020-10-16 | 深圳市众望达光电有限公司 | Multi-mode attenuator |
| CN113253389A (en) * | 2020-02-07 | 2021-08-13 | 华为技术有限公司 | Attenuation adjusting method and variable optical attenuator |
-
2021
- 2021-12-09 CN CN202111496947.2A patent/CN114422026A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102437877A (en) * | 2011-12-15 | 2012-05-02 | 深圳市新岸通讯技术有限公司 | Free-space optical (FSO) signal receiving device |
| CN202737871U (en) * | 2012-07-05 | 2013-02-13 | 深圳市新岸通讯技术有限公司 | Space attenuation adjusting device of wireless optical communication equipment |
| CN202929292U (en) * | 2012-10-16 | 2013-05-08 | 深圳市新岸通讯技术有限公司 | Variable optical attenuator for free space optical communication |
| CN203786388U (en) * | 2014-04-16 | 2014-08-20 | 成都福兰特电子技术有限公司 | Free space optical communication adjustable optical attenuation device |
| CN104076443A (en) * | 2014-07-09 | 2014-10-01 | 成都美美通信技术有限公司 | Optical attenuation device with multiple gears |
| CN106287335A (en) * | 2016-08-16 | 2017-01-04 | 凌云光技术集团有限责任公司 | A kind of light supply apparatus for image sensor performance test |
| CN206741085U (en) * | 2017-03-31 | 2017-12-12 | 西安工业大学 | Laser energy attenuating device for dual wavelength |
| CN210136334U (en) * | 2019-07-02 | 2020-03-10 | 桂林光隆集成科技有限公司 | Micro-electromechanical adjustable attenuator |
| CN113253389A (en) * | 2020-02-07 | 2021-08-13 | 华为技术有限公司 | Attenuation adjusting method and variable optical attenuator |
| CN111272390A (en) * | 2020-03-31 | 2020-06-12 | 北方夜视技术股份有限公司 | Method and device for testing dynamic range of photomultiplier |
| CN111413793A (en) * | 2020-04-24 | 2020-07-14 | 深圳市众望达光电有限公司 | Multi-mode attenuator |
| CN211698419U (en) * | 2020-04-24 | 2020-10-16 | 深圳市众望达光电有限公司 | Multi-mode attenuator |
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