CN206363166U - A kind of wireless optical auto-trace antenna system - Google Patents
A kind of wireless optical auto-trace antenna system Download PDFInfo
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- CN206363166U CN206363166U CN201621347106.XU CN201621347106U CN206363166U CN 206363166 U CN206363166 U CN 206363166U CN 201621347106 U CN201621347106 U CN 201621347106U CN 206363166 U CN206363166 U CN 206363166U
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- speculum
- pitching
- motor
- light path
- mirror
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Abstract
The utility model is a kind of wireless optical auto-trace antenna system, system sending and receiving light path coaxial.The mutually perpendicular pitching speculum of minute surface and orientation speculum are installed, two-mirror is respectively arranged in pitching motor and azimuth-drive motor shaft end in the middle of the light path after primary mirror and lens group；Two motors are voice coil motor, and two-mirror is completely reflecting mirror.Reception light beam through primary mirror and lens group changes light path through two-mirror reflection and reaches spectroscope, and light beam is divided into two beams by spectroscope, and one is coupled into optical fiber into transmitting-receiving light path and communicated, and another detection light path that enters is coupled into photo-detector.Master controller calculates facula position error according to the facula information of photo-detector, and the rotation of two motors is controlled through motor-drive circuit, and regulation speculum makes incident light smoothly be coupled into reception optical fiber.The utility model, which is installed on the environment swung, can keep the proper communication of wireless optical, and voice coil motor fast response time, small volume, the antenna of the system is more compact, and weight is lighter.
Description
Technical field
The utility model is related to wireless light communication technical field, specially a kind of wireless optical auto-trace antenna system.
Background technology
, it is necessary to which 2 points be in communication with each other respectively set up an aspectant optical antenna in radio optical communication system, to protect
Demonstrate,prove both sides and receive signal.The angle of divergence of optical antenna light path is small, long transmission distance, when high building, tower or roof are set up, antenna
Influenceed by the change of the climatic factor such as ground vibration and wind, temperature, the laser beam of two-way alignment is deviateed other side, cause to lead to
Believe error code or interruption, it is necessary to increase the automatic tracking function of light beam to overcome the skew of light beam.
Traditional optical antenna is in order to realize automatic tracking function, and antenna foundation structure adds two rotary shafts, uses
Driving stepper motor antenna sending and receiving light path is rotated around rotary shaft, is adjusted azimuth and the angle of pitch of antenna, is realized two-way alignment.
It is traditional to need to change the direction of optical transport with the whole optical lens mechanism of driving stepper motor from motion tracking, so planting structure
Tracking velocity is slower, is only applicable to the less erection environment relatively stablized of changes in environmental conditions.To the erection environment of some " dynamic ",
The steel tower such as by the wind blown, the vehicle top started or the support that swings risen temporarily, existing wireless optical antenna automatic tracking
Device is difficult to keep proper communication function.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, proposes a kind of wireless optical auto-trace antenna system,
This tracking system sending and receiving light path coaxial, the light beam into tracking system first passes through primary mirror and lens group, and tracking system has two sounds
Motor is enclosed, motor shaft end fixes completely reflecting mirror, and light beam realizes that the bidimensional of light path is deflected through two orthogonal completely reflecting mirrors, electricity
Speculum synchronous rotary when machine is rotated, optical path direction is adjusted, it is ensured that proper communication.Voice coil motor is walked instead of traditional line
Stepper motor, volume is smaller, and weight is lighter, and the speculum rotary inertia installed in voice coil motor shaft end is small, voice coil motor sheet
Body fast response time, makes the automatic tracking velocity of tracking system fast, it is adaptable to dynamic erection environment.
The utility model devises a kind of wireless optical auto-trace antenna system, the sending and receiving light path coaxial of the system.Into
The reception light beam of tracking system first passes through primary mirror and lens group, and pitching reflection is installed between the light path after primary mirror and lens group
Mirror and orientation speculum, the minute surface of two speculums are orthogonal, and pitching speculum and orientation speculum are respectively arranged in pitching
Motor shaft end and azimuth-drive motor shaft end.Pitching motor and azimuth-drive motor are voice coil motor, pitching speculum and orientation speculum
It is completely reflecting mirror.Light beam changes light path by the reflection of two speculums and reaches spectroscope, and light beam is divided into two beams by spectroscope,
A wherein light beam enters transmitting-receiving light path, is coupled into optical fiber and is communicated, and another light beam enters detection light path, is coupled into optical detection
Device, the signal input part of the output access master controller of photo-detector, the motor of the signal output part connection of master controller
Drive circuit connects control pitching motor and azimuth-drive motor respectively.The facula position that master controller is detected according to photo-detector,
Site error is calculated, the angle of two speculums is determined, through motor-drive circuit, control pitching motor and azimuth-drive motor are certain
In the range of rotate, regulation speculum incident light is smoothly coupled into reception optical fiber.The system is transmitting-receiving light path coaxial, transmitting-receiving electricity
The beam emissions process on road is the inverse process of above-mentioned beam reception, is repeated no more.
First piece of speculum after primary mirror and lens group is pitching speculum or orientation speculum, second piece of speculum be with
The different another speculum of first piece of speculum.
First piece of speculum is installed on after the diaphragm of primary mirror and lens group, 2~10mm of distance of minute surface and diaphragm, make into
The hot spot of irradiating light beam is small in the projected area of speculum, to reduce reflecting optics size, and ensures the incident light of different angles all
The hot spot that can be produced on the mirror.
The primary mirror is lens either speculum.
The back side of the pitching speculum and orientation speculum is fixed with axle sleeve, the axle insertion of pitching motor and azimuth-drive motor
In corresponding axle sleeve, and pass through screw lock.
The back side of the pitching speculum and orientation speculum is fixed by bonding way with the axle sleeve.
Compared with prior art, a kind of beneficial effect of wireless optical auto-trace antenna system of the utility model is：1、
The influence for effectively overcoming the erection environment of " dynamic " to receive optical signal, this tracking system be installed on the steel tower that blows of wind-engaging or
On the vehicle top started, or it is interim swing on support, can keep the proper communication of wireless optical；2nd, voice coil motor substitutes tradition
Stepper motor, only by change reflecting optics angle, you can regulation optical transmission direction, driven with traditional with stepper motor
The device that dynamic whole optical lens mechanism changes optical transmission direction is compared, bright using the response speed from motion tracking of voice coil motor
The aobvious regulation for being faster than stepper motor, the environment for swinging can be installed by installing the wireless optical antenna of this tracking system；3 and stepping
Motor compares voice coil motor small volume, and the former need to drive whole optical lens, and the latter only adjusts reflecting optics angle, therefore
The antenna for installing the system is more compact, and volume is smaller, and weight is lighter.
Brief description of the drawings
Fig. 1 is the structural representation of this wireless optical auto-trace antenna system embodiment；
Fig. 2 is the signal that is connected with pitching speculum of pitching motor axle of this wireless optical auto-trace antenna system embodiment
Figure；
Fig. 3 is the circuit block diagram of the master controller of this wireless optical auto-trace antenna system embodiment；
Fig. 4 is the light path of this wireless optical auto-trace antenna system embodiment from motion tracking schematic diagram.
In figure marked as：
1st, primary mirror, 2, lens group, 3, pitching speculum, 4, axle sleeve, 5, pitching motor, 6, azimuth-drive motor, 7, transmitting-receiving light path,
8th, orientation speculum, 9, spectroscope, 10, detection light path.
Embodiment
In order that technical solutions of the utility model become apparent from, below in conjunction with the accompanying drawings, the utility model is done further
Describe in detail.
This wireless optical auto-trace antenna system embodiment as shown in figs. 1 and 4, the sending and receiving light path coaxial of this example system.
The pitching speculum 3 and the minute surface of orientation speculum 8 installed in the middle of light path after primary mirror 1 and lens group 2 are orthogonal, and pitching is anti-
Penetrate mirror 3 and orientation speculum 8 is respectively arranged in the shaft end of pitching motor 5 and the shaft end of azimuth-drive motor 6.This example pitching speculum 3 is installed
After primary mirror 1 and the diaphragm of lens group 2, minute surface and diaphragm apart from 3mm.The primary mirror 1 of this example is lens, as shown in Figure 1.
Pitching motor 5 and azimuth-drive motor 6 are voice coil motor, and pitching speculum 3 and orientation speculum 8 are total reflection
Mirror.Into this tracking system reception light beam pass through primary mirror 1 and lens group 2, first reach pitching speculum 3, be reflected off to
Vertical orientation speculum 8, reflected again, secondary the reflected beams and incident beam are into 90 degree, arrival spectroscope 9,
Light beam is divided into two beams by spectroscope 9, wherein a light beam enters transmitting-receiving light path 7, is coupled into optical fiber and is communicated, another light beam enters
Light path 10 is detected, photo-detector is coupled into.The facula position that master controller is detected according to photo-detector, calculates position and misses
Difference, determines the angle of two speculums 3,8, through motor-drive circuit, the rotation of control pitching motor 5 and azimuth-drive motor 6, regulation
Speculum makes incident light smoothly be coupled into reception optical fiber.
As shown in figure 3, the output access master controller signal input part of photo-detector, the signal output of master controller
The motor-drive circuit of end connection connects control pitching motor 5 and azimuth-drive motor 6 respectively.
The axle sleeve 4 as shown in Fig. 2 back side of pitching speculum 3 is adhesively fixed, the axle of pitching motor 5 is inserted in the axle sleeve 4,
And pass through screw lock.The connected mode of orientation speculum 8 and azimuth-drive motor 6 is identical with this.
Above-described embodiment, is only that the purpose of this utility model, technical scheme and beneficial effect are further described
Specific case, the utility model is not limited to this.All any modifications made within scope of disclosure of the present utility model,
Equivalent substitution, improvement etc., are all contained within protection domain of the present utility model.
Claims (6)
1. a kind of wireless optical auto-trace antenna system, the sending and receiving light path coaxial of this tracking system, into connecing for this tracking system
Receive light beam and first pass through primary mirror (1) and lens group (2), it is characterised in that：
Pitching speculum (3) and orientation speculum (8) are installed, two pieces anti-in the middle of the light path after primary mirror (1) and lens group (2)
The minute surface for penetrating mirror is orthogonal, and pitching speculum (3) and orientation speculum (8) are respectively arranged in pitching motor (5) shaft end and side
Position motor (6) shaft end；Pitching motor (5) and azimuth-drive motor (6) are voice coil motor, pitching speculum (3) and orientation speculum
(8) it is completely reflecting mirror；Into the reception light beam of this tracking system, the light beam through two pieces of speculum reflections changes light path arrival point
Light beam is divided into two beams by light microscopic (9), spectroscope (9), wherein a light beam enters transmitting-receiving light path (7), is coupled into optical fiber and is communicated,
Another light beam enters detection light path (10), is coupled into photo-detector；
The beam emissions process of transmission circuit is the inverse process of above-mentioned beam reception；
The signal input part of the output access master controller of photo-detector, the motor of the signal output part connection of master controller
Drive circuit connects control pitching motor (5) and azimuth-drive motor (6) respectively.
2. wireless optical auto-trace antenna system according to claim 1, it is characterised in that：
First piece of speculum in two pieces of speculums after the primary mirror (1) and lens group (2) is pitching speculum (3) or orientation
Speculum (8), second piece of speculum is another speculum different from first piece of speculum.
3. wireless optical auto-trace antenna system according to claim 2, it is characterised in that：
First piece of speculum is installed on after the diaphragm of primary mirror (1) and lens group (2), and the distance 2 of minute surface and diaphragm~
10mm。
4. wireless optical auto-trace antenna system according to claim 1 or 2, it is characterised in that：
The primary mirror (1) is lens either speculum.
5. wireless optical auto-trace antenna system according to claim 1 or 2, it is characterised in that：
The back side difference fixed hub (4) of the pitching speculum (3) and orientation speculum (8), pitching motor (5) and orientation electricity
The axle of machine (6) is inserted in corresponding axle sleeve (4), and passes through screw lock.
6. wireless optical auto-trace antenna system according to claim 5, it is characterised in that：
The back side of the pitching speculum (3) and orientation speculum (8) is adhesively fixed the axle sleeve (4) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621347106.XU CN206363166U (en) | 2016-12-09 | 2016-12-09 | A kind of wireless optical auto-trace antenna system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621347106.XU CN206363166U (en) | 2016-12-09 | 2016-12-09 | A kind of wireless optical auto-trace antenna system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206363166U true CN206363166U (en) | 2017-07-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621347106.XU Active CN206363166U (en) | 2016-12-09 | 2016-12-09 | A kind of wireless optical auto-trace antenna system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106527502A (en) * | 2016-12-09 | 2017-03-22 | 中国电子科技集团公司第三十四研究所 | Wireless optical antenna automatic tracking system |
| CN108008741A (en) * | 2017-12-29 | 2018-05-08 | 深圳市道通智能航空技术有限公司 | Unmanned vehicle tracks antenna, remote controler external member and unmanned vehicle external member |
| CN109450532A (en) * | 2018-12-27 | 2019-03-08 | 中国电子科技集团公司第三十四研究所 | With the wireless light communication tracking system for being directed toward correction and it is directed toward antidote |
-
2016
- 2016-12-09 CN CN201621347106.XU patent/CN206363166U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106527502A (en) * | 2016-12-09 | 2017-03-22 | 中国电子科技集团公司第三十四研究所 | Wireless optical antenna automatic tracking system |
| CN108008741A (en) * | 2017-12-29 | 2018-05-08 | 深圳市道通智能航空技术有限公司 | Unmanned vehicle tracks antenna, remote controler external member and unmanned vehicle external member |
| CN108008741B (en) * | 2017-12-29 | 2022-06-03 | 深圳市道通智能航空技术股份有限公司 | Unmanned vehicles tracking antenna, remote controller external member and unmanned vehicles external member |
| CN109450532A (en) * | 2018-12-27 | 2019-03-08 | 中国电子科技集团公司第三十四研究所 | With the wireless light communication tracking system for being directed toward correction and it is directed toward antidote |
| CN109450532B (en) * | 2018-12-27 | 2024-04-05 | 中国电子科技集团公司第三十四研究所 | Wireless optical communication tracking system with pointing correction and pointing correction method |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20230626 Address after: 541004 No. 98, Liuhe Road, Guilin, the Guangxi Zhuang Autonomous Region Patentee after: NO 34 RESEARCH INSTITUTE OF CHINA ELECTRONICS TECHNOLOGY Group CORPORATION (CETC) Patentee after: GUILIN XINTONG TECHNOLOGY Co.,Ltd. Address before: 541004 No. 98, Liuhe Road, Guilin, the Guangxi Zhuang Autonomous Region Patentee before: NO 34 RESEARCH INSTITUTE OF CHINA ELECTRONICS TECHNOLOGY Group CORPORATION (CETC) Patentee before: GUILIN DAWEI COMMUNICATIONS TECHNOLOGIES Co. Patentee before: GUILIN XINTONG TECHNOLOGY Co.,Ltd. |